Product Description

Provide us with the detailed data according to the following drawing for us to quote.

Diameter[D]	No.	Item Code	Groove[N]	Rope Diameter[d]	Groove distance [a]	Inner Diameter [E]	Pulley Width [B1]	Hub  Width [B2]	Speed [m/s]
Φ320	1	NE320001	4	Φ8	12	Φ80-Φ90	60	80	≤2
	2	NE320002				Φ100-Φ110		85	≤2
	3	NE320003				Φ120-Φ130		90	≤2
	4	NE320004	5	Φ8	12	Φ80-Φ90	72	80	≤2
	5	NE320005				Φ100-Φ110		85	≤2
	6	NE320006				Φ120-Φ130		90	≤2
	7	NE320007	6	Φ8	12	Φ80-Φ90	85	80	≤2
	8	NE320008				Φ100-Φ110		85	≤2
	9	NE320009				Φ120-Φ130		90	≤2
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification									≤3
1.CZPT can supply standard parts such as Bearing, Shaft, U-bolt, etc according to customers’ requirements. 2.CZPT can produce other Non-standard elavator driving sheave according to customers’  requirements. 3.The above are standard common parameters.Pulley with diameter of Φ320,Φ400,Φ520 and others can also be supplied.     The below diameters of pulley are avaliable:  Φ150/Φ200/Φ220/Φ240/Φ250/Φ260/Φ280  Φ290/Φ300/Φ330/Φ350/Φ360/Φ410/Φ420  Φ440/Φ450/Φ480/Φ500/Φ540/Φ600/Φ640 Scope of application: villa elevator, passenger elevator, cargo elevator,   sightseeing elevator

 

Diameter[D]	No.	Item Code	Groove[N]	Rope Diameter[d]	Groove distance [a]	Inner Diameter [E]	Pulley Width [B1]	Hub  Width [B2]	Speed [m/s]
Φ400	1	NE400001	4	Φ10	14/15/16	Φ100-Φ110	73	85	≤2
	2	NE400002				Φ120-Φ130		90	≤2
	3	NE400003				Φ140		95	≤2
	4	NE400004	5	Φ10	14/15/16	Φ100-Φ110	90	85	≤2
	5	NE400005				Φ120-Φ130		90	≤2
	6	NE400006				Φ140		95	≤2
	7	NE400007	6	Φ10	14/15/16	Φ100-Φ110	105	85	≤2
	8	NE400008				Φ120-Φ130		90	≤2
	9	NE400009				Φ140		95	≤2
	10	NE40571	7	Φ10	14/15/16	Φ140	120	95	≤2
	11	NE400011				Φ150-Φ160		115	≤2
	12	NE400012	8	Φ10	14/15/16	Φ140	137	95	≤2
	13	NE400013				Φ150-Φ160		115	≤2
	14	NE400014	9	Φ10	14/15/16	Φ140	153	115	≤2
	15	NE400015				Φ150-Φ160		115	≤2
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.1-9)									≤3
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.10-15)									≤4
1.CZPT can supply standard parts such as Bearing, Shaft, U-bolt, etc according to customers’ requirements. 2.CZPT can produce other Non-standard elavator driving sheave according to customers’  requirements. 3.The above are standard common parameters.Pulley with diameter of Φ320,Φ400,Φ520 and others can also be supplied.     The below diameters of pulley are avaliable:  Φ150/Φ200/Φ220/Φ240/Φ250/Φ260/Φ280  Φ290/Φ300/Φ330/Φ350/Φ360/Φ410/Φ420  Φ440/Φ450/Φ480/Φ500/Φ540/Φ600/Φ640 Scope of application: villa elevator, passenger elevator, cargo elevator,   sightseeing elevator

 

Diameter[D]	No.	Item Code	Groove[N]	Rope Diameter[d]	Groove distance [a]	Inner Diameter [E]	Pulley Width [B1]	Hub  Width [B2]	Speed [m/s]
Φ520	1	NE500001	4	Φ10	14/15/16	Φ100-Φ110	73	85	≤2
	2	NE500002				Φ120-Φ130		90	≤2
	3	NE500003				Φ140		95	≤2
	4	NE500004	5	Φ10	14/15/16	Φ100-Φ110	90	85	≤2
	5	NE500005				Φ120-Φ130		90	≤2
	6	NE500006				Φ140		95	≤2
	7	NE500007	6	Φ10	14/15/16	Φ100-Φ110	105	85	≤2
	8	NE500008				Φ120-Φ130		90	≤2
	9	NE500009				Φ140		95	≤2
	10	NE50571	7	Φ10	14/15/16	Φ140	120	95	≤2
	11	NE500011				Φ150-Φ160		115	≤2
	12	NE500012	8	Φ10	14/15/16	Φ140	137	95	≤2
	13	NE500013				Φ150-Φ160		115	≤2
	14	NE500014	9	Φ10	14/15/16	Φ140	153	115	≤2
	15	NE500015				Φ150-Φ160		115	≤2
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.1-9)									≤3
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.10-15)									≤4
1.CZPT can supply standard parts such as Bearing, Shaft, U-bolt, etc according to customers’ requirements. 2.CZPT can produce other Non-standard elavator driving sheave according to customers’  requirements. 3.The above are standard common parameters.Pulley with diameter of Φ320,Φ400,Φ520 and others can also be supplied.     The below diameters of pulley are avaliable:  Φ150/Φ200/Φ220/Φ240/Φ250/Φ260/Φ280  Φ290/Φ300/Φ330/Φ350/Φ360/Φ410/Φ420  Φ440/Φ450/Φ480/Φ500/Φ540/Φ600/Φ640 Scope of application: villa elevator, passenger elevator, cargo elevator,   sightseeing elevator

FAQ
 

1. Are you manufacturer or trading company?

We are the leading manufacturer in Elevator Pulley field for more than 30 years, integrating R & D, Production and sales as 1 covering an area of 46,620 square meters.
 

2. What material are you using for packing?

We can use cartons or wooden cases to pack the products according our customers’ requirements.
 

3. We methods are you using for shipping?

We can use Sea shipping, Air shipping and Express accordingly. We have long-term cooperation with TNT, FedEx, UPS, EMS and DHL, multiple ways to choose from.
 

4. How can I place an order with you?

The best way is to send us your drawing and our engineer can make a drawing according to our exist mould. If you don’t have a drawing, you can send us your data for the elevator or pulley, we can also make drawing accordingly.
 

5. Do you have any other ways to introduce your company to all over the world?

We also attend exhibitions at home and abroad. Please leave us your contact information and we will send you invitation ahead of time.

Types of Pulley Systems

If you’ve ever tried to lift a pail of water, you’ve probably seen the pulley system in action. Pulleys are extremely useful tools for everything from household appliances to heavy industrial machinery. Different kinds of pulley systems are classified according to their amount of motion. Some types have fixed axes, while others have movable axes. Some common uses of pulleys are listed below.

two-wheel pulley

Pulleys are complex structures with thin-walled and thick-walled sections. Therefore, they require specific forging designs. The tool concept for the production of pulleys is shown in Figure 11.6. Using the generated tool, the pulley can be forged into different shapes. Process parameters must be optimized based on material, surface quality and metallographic analysis.
Pulleys are wheels mounted on shafts. Its main function is to assist the movement of heavy objects. A single-wheel pulley can change the direction of the force, enabling a person to pull heavy objects. A dual-wheel pulley distributes the weight evenly across both wheels, allowing it to lift the same weight with half the effort.
The mechanical advantage of a two-wheel pulley is that it reduces the force required by about half. A 100 kg object can be lifted with a force of 500 Newtons. The mechanical advantage of a pulley with 2 wheels is twice that of a single-wheel pulley. However, care should always be taken when using two-wheel pulleys.
Two-wheel pulleys can be fixed or movable. A single wheel pulley can only change direction when the load is placed on 1 side of the wheel. Two-wheel pulleys change direction when lifting a load, requiring half the force. Live wheels are better for heavier loads. The movable pulley can be adjusted with the load, and the load distribution is more uniform. Active pulleys can be used with single-rope or two-wheel pulleys.
A pulley system with 2 wheels is called a compound pulley. This type of pulley system has a complex design that reduces the force required to move the load. Two-wheel pulleys are common in industrial and construction environments. These pulleys require a lot of space to install and operate. Additionally, they require regular maintenance to avoid wear and tear.

composite pulley

Compound pulleys are used to increase lift. One fixed pulley is attached to the overhead while the other fixed pulley is attached to the load. This setup minimizes the force required to lift weights, allowing you to lift heavier weights. There are several different types of compound pulleys, each with their own strengths and weaknesses. Below are some examples of their application. Some of the most common are listed below.
Composite pulleys are usually made from 2 different types of wheels. The first 1 is fixed and secure. The second type, movable, is attached to something that moves. The third type, compound pulley, is a combination of a movable pulley and a fixed pulley. Below are 3 types of comparisons. The table below compares them and explains their advantages and disadvantages. Composite pulleys are the most versatile of the three.
The number of sheave segments that make up the composite sheave system increases the mechanical advantage of the system. Each segment adds 1 percent of the total weight, and the ideal mechanical advantage is 2 or more. So a compound pulley with 4 segments will lift three-quarters of the weight. This is because the force applied to the load is multiplied by four. The result is a better boost.
While composite pulleys have many uses, they are most commonly used on larger sailboats. These pulleys work by changing the direction of the control wire or by changing the mechanical force of the rope. They also make it easier to lift heavier objects. Composite pulleys are more expensive than simple pulleys, so consider your needs before buying. The advantages of composite pulleys outweigh the disadvantages.
A basic compound pulley is a device consisting of 2 wheels with fixed points. Ropes are looped around the wheels and are used to lift heavy objects. When you pull on the rope, the rope pulls the 2 wheels closer together. Serious injury could result if this equipment is installed incorrectly. Never exceed the lifting capacity of pulleys and other safety devices that may be attached. When using pulleys, be sure to follow the instructions on the mounting hardware to avoid accidents.

Fixed pulley

Moving pulleys and fixed pulleys are different types of mechanical devices. The movable pulley moves with the object it is used to lift. Because it attaches to the object it is used to lift, it is great for lifting heavy objects. These devices are used in construction cranes and multipurpose elevators. There are many different types of pulleys, and their uses vary widely. Below is a brief overview of these devices.
The simplest pulley set consists of a wheel that is mounted on the ceiling. A rope is attached at 1 end and a person pulls at the other end. The rope is strong enough to keep a person standing while lifting weights. It takes about 200 Newtons of force to lift a 20 kg weight. In contrast, a movable pulley requires a force of 1000N, which makes it easier to lift heavy objects.
Fixed pulleys are another common lifting device. They work by using ropes and slotted wheels attached to the object to be lifted. These devices are convenient to use because they are easy to set up. Moving the scroll wheel doesn’t change direction, so it’s easier to move objects without putting too much pressure on the back. Unlike a moving rope, a moving object will feel much lighter than its actual weight.
Fixed pulleys are widely used in construction and agriculture. Fixed pulleys can help lift supplies and equipment from scaffolding. These items are often heavy and difficult to lift directly. Fixed pulleys at the top of the scaffolding will allow people at the bottom to lift objects more easily. As a result, those at the bottom are less stressed and more productive. Fixed pulleys will save time and money compared to moving ropes.
Composite pulleys combine fixed and movable pulleys to increase the power of movement. A compound pulley system uses both types of pulleys and enables a person to change direction by reversing the direction of a force. The compound pulley system will save time and effort as the user only has to put in half the effort. Unlike moving ropes, composite pulleys are easy to adjust and are the most versatile system on the market.

Blocks and tackles

A pulley block system is a rope hoist that uses a set of pulleys mounted on a frame. The blocks are arranged in a row, and the threaded rope is called a pulley. Pulley systems help amplify the tension of the rope and are common in sailboats, cranes and drilling rigs. However, these systems are not without drawbacks.
The pulley pulley system can be equipped with as many pulleys as required. This method allows a person to lift heavy objects. The pulley block system can contain the required number of pulleys to achieve the desired height. The main disadvantage of pulley systems is that they create a lot of friction on the pulley shaft.
Pulley systems use 2 types of pulleys. A movable pulley is attached to the load, allowing it to move with the load. On the other hand, fixed pulleys are fixed on fixed points. Therefore, a pulley block system may consist of multiple pulleys mounted on a shaft. For example, the 2 pulleys attached to the shaft each have their own mechanical advantages.
Several types of tackle systems have been developed in recent centuries. The most basic is the gun mount, which uses 2 pulleys to lift the load. The mechanical advantage of such a system is 2 to 3 times the distance required by the rope to move the load. Depending on how they’re assembled, the system can lift 400 pounds with 80 or 100 pounds of force.
Another type of pulley is a combination of multiple wheels. The wheels on pulleys are supported by a housing or frame. The chain is attached to the pulley, and the rope is pulled to lift it. A combined pulley system will have multiple wheels. As the load increases, the force on the pulley also increases. This approach is generally more expensive than intercept and intercept systems.

Product Description

Provide us with the detailed data according to the following drawing for us to quote.

Diameter[D]	No.	Item Code	Groove[N]	Rope Diameter[d]	Groove distance [a]	Inner Diameter [E]	Pulley Width [B1]	Hub  Width [B2]	Speed [m/s]
Φ320	1	NE320001	4	Φ8	12	Φ80-Φ90	60	80	≤2
	2	NE320002				Φ100-Φ110		85	≤2
	3	NE320003				Φ120-Φ130		90	≤2
	4	NE320004	5	Φ8	12	Φ80-Φ90	72	80	≤2
	5	NE320005				Φ100-Φ110		85	≤2
	6	NE320006				Φ120-Φ130		90	≤2
	7	NE320007	6	Φ8	12	Φ80-Φ90	85	80	≤2
	8	NE320008				Φ100-Φ110		85	≤2
	9	NE320009				Φ120-Φ130		90	≤2
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification									≤3
1.CZPT can supply standard parts such as Bearing, Shaft, U-bolt, etc according to customers’ requirements. 2.CZPT can produce other Non-standard elavator driving sheave according to customers’  requirements. 3.The above are standard common parameters.Pulley with diameter of Φ320,Φ400,Φ520 and others can also be supplied.     The below diameters of pulley are avaliable:  Φ150/Φ200/Φ220/Φ240/Φ250/Φ260/Φ280  Φ290/Φ300/Φ330/Φ350/Φ360/Φ410/Φ420  Φ440/Φ450/Φ480/Φ500/Φ540/Φ600/Φ640 Scope of application: villa elevator, passenger elevator, cargo elevator,   sightseeing elevator

 

Diameter[D]	No.	Item Code	Groove[N]	Rope Diameter[d]	Groove distance [a]	Inner Diameter [E]	Pulley Width [B1]	Hub  Width [B2]	Speed [m/s]
Φ400	1	NE400001	4	Φ10	14/15/16	Φ100-Φ110	73	85	≤2
	2	NE400002				Φ120-Φ130		90	≤2
	3	NE400003				Φ140		95	≤2
	4	NE400004	5	Φ10	14/15/16	Φ100-Φ110	90	85	≤2
	5	NE400005				Φ120-Φ130		90	≤2
	6	NE400006				Φ140		95	≤2
	7	NE400007	6	Φ10	14/15/16	Φ100-Φ110	105	85	≤2
	8	NE400008				Φ120-Φ130		90	≤2
	9	NE400009				Φ140		95	≤2
	10	NE40571	7	Φ10	14/15/16	Φ140	120	95	≤2
	11	NE400011				Φ150-Φ160		115	≤2
	12	NE400012	8	Φ10	14/15/16	Φ140	137	95	≤2
	13	NE400013				Φ150-Φ160		115	≤2
	14	NE400014	9	Φ10	14/15/16	Φ140	153	115	≤2
	15	NE400015				Φ150-Φ160		115	≤2
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.1-9)									≤3
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.10-15)									≤4
1.CZPT can supply standard parts such as Bearing, Shaft, U-bolt, etc according to customers’ requirements. 2.CZPT can produce other Non-standard elavator driving sheave according to customers’  requirements. 3.The above are standard common parameters.Pulley with diameter of Φ320,Φ400,Φ520 and others can also be supplied.     The below diameters of pulley are avaliable:  Φ150/Φ200/Φ220/Φ240/Φ250/Φ260/Φ280  Φ290/Φ300/Φ330/Φ350/Φ360/Φ410/Φ420  Φ440/Φ450/Φ480/Φ500/Φ540/Φ600/Φ640 Scope of application: villa elevator, passenger elevator, cargo elevator,   sightseeing elevator

 

Diameter[D]	No.	Item Code	Groove[N]	Rope Diameter[d]	Groove distance [a]	Inner Diameter [E]	Pulley Width [B1]	Hub  Width [B2]	Speed [m/s]
Φ520	1	NE500001	4	Φ10	14/15/16	Φ100-Φ110	73	85	≤2
	2	NE500002				Φ120-Φ130		90	≤2
	3	NE500003				Φ140		95	≤2
	4	NE500004	5	Φ10	14/15/16	Φ100-Φ110	90	85	≤2
	5	NE500005				Φ120-Φ130		90	≤2
	6	NE500006				Φ140		95	≤2
	7	NE500007	6	Φ10	14/15/16	Φ100-Φ110	105	85	≤2
	8	NE500008				Φ120-Φ130		90	≤2
	9	NE500009				Φ140		95	≤2
	10	NE50571	7	Φ10	14/15/16	Φ140	120	95	≤2
	11	NE500011				Φ150-Φ160		115	≤2
	12	NE500012	8	Φ10	14/15/16	Φ140	137	95	≤2
	13	NE500013				Φ150-Φ160		115	≤2
	14	NE500014	9	Φ10	14/15/16	Φ140	153	115	≤2
	15	NE500015				Φ150-Φ160		115	≤2
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.1-9)									≤3
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.10-15)									≤4
1.CZPT can supply standard parts such as Bearing, Shaft, U-bolt, etc according to customers’ requirements. 2.CZPT can produce other Non-standard elavator driving sheave according to customers’  requirements. 3.The above are standard common parameters.Pulley with diameter of Φ320,Φ400,Φ520 and others can also be supplied.     The below diameters of pulley are avaliable:  Φ150/Φ200/Φ220/Φ240/Φ250/Φ260/Φ280  Φ290/Φ300/Φ330/Φ350/Φ360/Φ410/Φ420  Φ440/Φ450/Φ480/Φ500/Φ540/Φ600/Φ640 Scope of application: villa elevator, passenger elevator, cargo elevator,   sightseeing elevator

FAQ
 

1. Are you manufacturer or trading company?

We are the leading manufacturer in Elevator Pulley field for more than 30 years, integrating R & D, Production and sales as 1 covering an area of 46,620 square meters.
 

2. What material are you using for packing?

We can use cartons or wooden cases to pack the products according our customers’ requirements.
 

3. We methods are you using for shipping?

We can use Sea shipping, Air shipping and Express accordingly. We have long-term cooperation with TNT, FedEx, UPS, EMS and DHL, multiple ways to choose from.
 

4. How can I place an order with you?

The best way is to send us your drawing and our engineer can make a drawing according to our exist mould. If you don’t have a drawing, you can send us your data for the elevator or pulley, we can also make drawing accordingly.
 

5. Do you have any other ways to introduce your company to all over the world?

We also attend exhibitions at home and abroad. Please leave us your contact information and we will send you invitation ahead of time.

Overview of Different Types of Pulleys

A pulley is a wheel mounted on a shaft or shaft. Its purpose is to facilitate the movement or change of direction of the cable or taut rope, and to transmit power between the cable and the shaft. Pulleys are typically used for lifting, winding or forklift applications. If you are building your own pulley system, the following design and installation considerations should be followed. This article will give you an overview of the different types of pulleys.

Pulley System Mechanics

There are many different ways to utilize the mechanism of the pulley system. The most basic pulley system consists of a fixed wheel and a support frame. Both components are connected by ropes or cables used to support the load. A pulley system is effective when the force required to lift the load is less than the weight of the object being lifted.
One way to use a pulley system is to suspend a block with a mass of 0.80 kg on a fixed pulley. Then another person can hang a bucket weighing up to 40kg. The weight of the bucket is transferred to the fixed pulley. The rope is attached to the pulley by a loop or sling. The rope will spin and pull on the barrel or block.
The pulley system is also an important tool for lifting heavy objects. Pulleys are often used in construction equipment to make lifting heavy objects easier. Gun tackles, yard tackles, and stationary tackle systems are common examples of these devices. They use the mechanical advantage of the design to guide the force that lifts the object. If you want to learn more about pulley systems, visit Vedantu. This website will provide you with a full description of the mechanism and its application.

Types of pulleys

Many different types of pulleys are used to lift heavy objects. They change the direction of the force and are an integral part of the cable system. Therefore, pulleys can move large and heavy objects more easily. However, before buying a pulley, you should have an idea of ​​the benefits it brings. Below are some of the most common uses for pulleys.
Conical Pulley: Consists of several small conical pulleys connected to each other. The larger base of 1 pulley is used to guide the force. Round pulleys are used in the same way as step pulleys. They are widely used in industry and can be purchased at any hardware store. Pulleys are a huge investment, and the benefits they provide far outweigh the cost.
Movable Pulls: These are similar to their names, but work by allowing objects to move with the pull. Their movable parts are attached to the object to be lifted. They are also ideal for lifting heavy loads and can be found in utility elevators and construction cranes. They are also used in many other industries. They can also be made of wood, plastic or metal. The type of pulley you use depends on its intended use.

Mechanical Advantages of Pulley Systems

A pulley system is a simple machine that reduces the effort required to lift heavy loads. This mechanical advantage is proportional to the number of loops. For example, if you have a single rope loop, you must apply equal force to lift the weight. When you add another rope loop, you can lift heavier weights just by applying the same force. Therefore, a pulley system is an excellent way to use gravity to your advantage.
Mechanical advantage is a measure of the effectiveness of a pulley system. This ratio of force to work is called the mechanical advantage. In other words, if the rope system has a large mechanical advantage, it means that it requires less force to lift heavier loads. This advantage is usually measured in kilograms and is the same for all pulley systems. In general, the greater the mechanical advantage, the less effort is required to lift the load.
The mechanical advantage of a pulley system is that a single movable pulley requires half the force to lift an object than a single fixed pulley. Assuming frictionless bearings, the MA of a single pulley system is 2, similar to the MA of a single lever. A single pulley travels twice as much as it takes to move heavy objects manually.

Considerations when designing and installing a pulley system

The capacity of the pulley depends on the type and diameter of the cable. Besides its diameter, its sheath should also support it well. The basic function of the pulley is also important. However, most people tend to ignore the pulley selection process, resulting in ineffective load-pull capabilities. To avoid such problems, different parameters must be carefully considered during design and installation.
During the design and installation of the pulley system, the ratio of the cable diameter to the largest pulley diameter must be considered. Those who work in the industrial sector will have an idea of ​​this ratio. The greater the D:d ratio, the greater the capacity of the cable to withstand the load. The best way to ensure secure design is to take the right information and use it to design a system that is both robust and secure.
When designing a pulley system, it is important to remember that the pulley needs to have enough power to operate safely. In addition to horsepower, the belt should have sufficient elongation to absorb shock loads. If the elongation of the belt is very small, it is very likely that the teeth will be sheared or broken, causing serious damage to the system. Extensive belt sag should be compensated for by offsetting the driven pulley. Finally, the frame supporting the pulley should be rigid. Otherwise, the non-rigid frame will cause center distance and tooth skipping changes.

Add more pulleys to the system

Adding more pulleys to the spool might have some effect. The friction between the rope and the pulley increases with the number of pulleys, which in practice limits the number of spools. The best solution is to combine the pulleys into 1 housing. If the load is small enough, adding a few pulleys probably won’t make a difference.
Using multiple pulleys allows a single load to be lifted with half the force required. The longer the rope, the greater the mechanical advantage. In fact, a spool can withstand a load of 100 N. Additionally, adding more pulleys quadrupled the mechanical advantage. In this case, a single 100 N load would require a force of 25 Newtons.
When the rope is used, it stretches as the weight of the object increases. This will make the rope longer, increasing its length and increasing the distance over which the load can be lifted. Eventually, the rope will break and the lifted object will fall. Then you will have to buy a new rope. It may seem like an expensive proposition, but it pays off in the long run.

cast iron pulley

Cast iron pulleys are the most popular choice among industrial users. They are made of solid cast iron and usually cost very little. Their rims are held in place by a mesh that extends from a central boss. They also have spokes and arms that hold them in place. These pulleys are ideal for a variety of applications including fan belts, compressors and conveyors.
V-groove drive pulleys are ideal for general purpose pulleys. It has an inner diameter of 1 inch and is commonly used in feeders and ventilation curtain systems. Its steel straps prevent rust and ensure it meets or exceeds industry standards. 3-1/2″ cast iron pulleys are also available. In addition to the V-groove drive pulley, there are similar pulleys for power transmission. The V-groove drive pulley is powder coated for added durability.
The cross section of the arm is elliptical, with the long axis twice as long as the short axis. The radius of the arm is equal to the diameter of the pulley. The thickness of the arm is a key factor to consider when purchasing a pulley. If you’re not sure which material you need, you can always consider wooden or steel pulleys. They are lighter and have a higher coefficient of friction than metal pulleys.

timing pulley

Plastic timing pulleys have many advantages over steel timing pulleys. On the 1 hand, they are lightweight and corrosion resistant, making them ideal for applications that do not require high torque and tensile strength. Another benefit is their resistance to high temperatures. Plastic timing pulleys are ideal for applications involving flammable gases, solvents or particles. They can last for many years. For more information on the different types of plastic timing pulleys.
Vertical shaft drives require flanged timing pulleys. For large span drives, at least 1 of these pulleys must be flanged. The flange provides a secure connection to the shaft and prevents ratcheting of the timing belt. Finally, HTD timing belt teeth prevent timing belt ratcheting. These teeth need a large enough space to be seated. However, they can also cause a backlash. These pulleys are not suitable for applications where positional accuracy is critical.
Timing belt systems are designed to avoid such problems. The drive shaft and the driven shaft are aligned with each other. The pulleys are located on different planes and are connected by pitch lines. The pitch line of the timing pulley coincides with the pitch line of the belt. These pulleys are also easier to implement and maintain. It is better to use a synchronous system because the resulting gear system emits less noise than other systems.

Product Description

Provide us with the detailed data according to the following drawing for us to quote.

Diameter[D]	No.	Item Code	Groove[N]	Rope Diameter[d]	Groove distance [a]	Inner Diameter [E]	Pulley Width [B1]	Hub  Width [B2]	Speed [m/s]
Φ320	1	NE320001	4	Φ8	12	Φ80-Φ90	60	80	≤2
	2	NE320002				Φ100-Φ110		85	≤2
	3	NE320003				Φ120-Φ130		90	≤2
	4	NE320004	5	Φ8	12	Φ80-Φ90	72	80	≤2
	5	NE320005				Φ100-Φ110		85	≤2
	6	NE320006				Φ120-Φ130		90	≤2
	7	NE320007	6	Φ8	12	Φ80-Φ90	85	80	≤2
	8	NE320008				Φ100-Φ110		85	≤2
	9	NE320009				Φ120-Φ130		90	≤2
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification									≤3
1.CZPT can supply standard parts such as Bearing, Shaft, U-bolt, etc according to customers’ requirements. 2.CZPT can produce other Non-standard elavator driving sheave according to customers’  requirements. 3.The above are standard common parameters.Pulley with diameter of Φ320,Φ400,Φ520 and others can also be supplied.     The below diameters of pulley are avaliable:  Φ150/Φ200/Φ220/Φ240/Φ250/Φ260/Φ280  Φ290/Φ300/Φ330/Φ350/Φ360/Φ410/Φ420  Φ440/Φ450/Φ480/Φ500/Φ540/Φ600/Φ640 Scope of application: villa elevator, passenger elevator, cargo elevator,   sightseeing elevator

 

Diameter[D]	No.	Item Code	Groove[N]	Rope Diameter[d]	Groove distance [a]	Inner Diameter [E]	Pulley Width [B1]	Hub  Width [B2]	Speed [m/s]
Φ400	1	NE400001	4	Φ10	14/15/16	Φ100-Φ110	73	85	≤2
	2	NE400002				Φ120-Φ130		90	≤2
	3	NE400003				Φ140		95	≤2
	4	NE400004	5	Φ10	14/15/16	Φ100-Φ110	90	85	≤2
	5	NE400005				Φ120-Φ130		90	≤2
	6	NE400006				Φ140		95	≤2
	7	NE400007	6	Φ10	14/15/16	Φ100-Φ110	105	85	≤2
	8	NE400008				Φ120-Φ130		90	≤2
	9	NE400009				Φ140		95	≤2
	10	NE40571	7	Φ10	14/15/16	Φ140	120	95	≤2
	11	NE400011				Φ150-Φ160		115	≤2
	12	NE400012	8	Φ10	14/15/16	Φ140	137	95	≤2
	13	NE400013				Φ150-Φ160		115	≤2
	14	NE400014	9	Φ10	14/15/16	Φ140	153	115	≤2
	15	NE400015				Φ150-Φ160		115	≤2
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.1-9)									≤3
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.10-15)									≤4
1.CZPT can supply standard parts such as Bearing, Shaft, U-bolt, etc according to customers’ requirements. 2.CZPT can produce other Non-standard elavator driving sheave according to customers’  requirements. 3.The above are standard common parameters.Pulley with diameter of Φ320,Φ400,Φ520 and others can also be supplied.     The below diameters of pulley are avaliable:  Φ150/Φ200/Φ220/Φ240/Φ250/Φ260/Φ280  Φ290/Φ300/Φ330/Φ350/Φ360/Φ410/Φ420  Φ440/Φ450/Φ480/Φ500/Φ540/Φ600/Φ640 Scope of application: villa elevator, passenger elevator, cargo elevator,   sightseeing elevator

 

Diameter[D]	No.	Item Code	Groove[N]	Rope Diameter[d]	Groove distance [a]	Inner Diameter [E]	Pulley Width [B1]	Hub  Width [B2]	Speed [m/s]
Φ520	1	NE500001	4	Φ10	14/15/16	Φ100-Φ110	73	85	≤2
	2	NE500002				Φ120-Φ130		90	≤2
	3	NE500003				Φ140		95	≤2
	4	NE500004	5	Φ10	14/15/16	Φ100-Φ110	90	85	≤2
	5	NE500005				Φ120-Φ130		90	≤2
	6	NE500006				Φ140		95	≤2
	7	NE500007	6	Φ10	14/15/16	Φ100-Φ110	105	85	≤2
	8	NE500008				Φ120-Φ130		90	≤2
	9	NE500009				Φ140		95	≤2
	10	NE50571	7	Φ10	14/15/16	Φ140	120	95	≤2
	11	NE500011				Φ150-Φ160		115	≤2
	12	NE500012	8	Φ10	14/15/16	Φ140	137	95	≤2
	13	NE500013				Φ150-Φ160		115	≤2
	14	NE500014	9	Φ10	14/15/16	Φ140	153	115	≤2
	15	NE500015				Φ150-Φ160		115	≤2
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.1-9)									≤3
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.10-15)									≤4
1.CZPT can supply standard parts such as Bearing, Shaft, U-bolt, etc according to customers’ requirements. 2.CZPT can produce other Non-standard elavator driving sheave according to customers’  requirements. 3.The above are standard common parameters.Pulley with diameter of Φ320,Φ400,Φ520 and others can also be supplied.     The below diameters of pulley are avaliable:  Φ150/Φ200/Φ220/Φ240/Φ250/Φ260/Φ280  Φ290/Φ300/Φ330/Φ350/Φ360/Φ410/Φ420  Φ440/Φ450/Φ480/Φ500/Φ540/Φ600/Φ640 Scope of application: villa elevator, passenger elevator, cargo elevator,   sightseeing elevator

FAQ
 

1. Are you manufacturer or trading company?

We are the leading manufacturer in Elevator Pulley field for more than 30 years, integrating R & D, Production and sales as 1 covering an area of 46,620 square meters.
 

2. What material are you using for packing?

We can use cartons or wooden cases to pack the products according our customers’ requirements.
 

3. We methods are you using for shipping?

We can use Sea shipping, Air shipping and Express accordingly. We have long-term cooperation with TNT, FedEx, UPS, EMS and DHL, multiple ways to choose from.
 

4. How can I place an order with you?

The best way is to send us your drawing and our engineer can make a drawing according to our exist mould. If you don’t have a drawing, you can send us your data for the elevator or pulley, we can also make drawing accordingly.
 

5. Do you have any other ways to introduce your company to all over the world?

We also attend exhibitions at home and abroad. Please leave us your contact information and we will send you invitation ahead of time.

Types of pulleys and their advantages and disadvantages

There are several types of pulleys. Learn the basic equations of the pulley system. Then learn about the different uses for pulleys. The disadvantages of using pulleys will be covered. Knowing these, you can buy the pulley that suits your needs. Here are some of the best pulley types and their pros and cons.

Basic equations of pulley systems

A pulley system is a mechanism that allows 2 blocks of a certain mass to be connected by a taut rope. The acceleration of each block is the same in magnitude and direction. The external force acting on each block is the weight of the block (10g) and the tension in the string. The tension between the 2 blocks is the total tension and the force acting on the pulley is the weight of the 2 blocks.
This simple mechanism uses 2 simple equations to explain how the system works. First, the mass of the weight on both sides of the pulley must be the same. When the weight is forced to move, the rope tightens and the second pulley descends. The weight is also attached to the second pulley and must be the same distance as the first pulley. This will result in a speed ratio of 2 times the distance covered by the first pulley.
Second, we have to calculate the force required to lift the object. The lower mass is supported by a wire configuration passing through all pulleys, while the uppermost pulley is used to apply the force. The lower block is used to support the weight. The applied force needs to travel a distance nx to move the weight. This distance, called MA, can be written as:
Once we have gathered the necessary information, we can apply the calculations to the pulley system. We can also use the Mechanical Advantage Calculator to calculate the force on the anchor. To do this, we must apply a force to the load as well as to the pulley itself. Using this equation, we can calculate the force required by the load to lift the load.

Types of pulleys

There are 3 basic types of pulleys: movable, fixed and compound. Both types of pulleys translate the force applied to them. The ideal mechanical advantage of pulleys is two. This is because a single movable pulley only doubles the force, whereas a compound pulley doubles or triples the force. This type of pulley is often used with other types of pulleys.
Movable pulls move with the weight of the load, and the force pulling them increases on the lift side. They are often found in utility elevators and construction cranes. These systems are very simple, inexpensive and quiet to use. The force required to lift the object depends on the mechanical advantage of the system. The 2 most common types of pulleys are listed below. Let’s take a closer look at each one.
V-shaped pulleys are used in vehicles and electric motors. These pulleys require a “V” belt to function properly. Some have multiple “V” grooves to avoid slipping. They are used in heavy duty applications to reduce the risk of power slip. These pulleys also have more than 1 “V” groove. V-belt pulleys are commonly used in vehicles and electric motors.
Composite pulleys are made from more than 1 type of cable or rope wrapped around the wheel. They can be fixed or hinged and are usually made of stainless steel or bronze. Composite pulleys have multiple layers and can be a single unit or many different components. There are 3 main types of pulleys: fixed pulleys and composite pulleys. These are the most common types. Almost every type of pulley is used for some type of application.
Fixed pulleys have 1 advantage over movable pulleys: they change direction as the weight of the load increases. They are typically used in heavy construction equipment. Gun tackles, patio tackles, and stationary tackles are examples of equipment that use a pulley mechanism. These devices are very common and can be found on most modern construction sites. They provide great convenience for lifting large loads.

application

What are the applications of pulleys? Simply put, a pulley is a mechanical device that transforms a difficult task into an easier one. It consists of ropes and pulleys. It is usually used to lift objects. Usually, people wrap a rope around a pulley and pull up to lift the object. One disadvantage of using pulleys is that they require the same force as lifting the object directly.
One of the most popular applications of pulleys is lifting heavy objects. They help people pull up heavy objects and blocks. The system can also be used in seeders, lifts, grinders, etc. Other applications include raising flags, loading cargo, pulling curtains and rock or mountain climbing. Students can learn about the various uses of pulleys and the physics behind them.
Pulleys can be made of many different materials, depending on the application. Some are movable, which means they move with the object they are used to lift. This pulley system can be made of nylon, wire rope or fiber material. The best part about these systems is that they are easy to install and maintain. For a better grasp, use the guide or video tutorial to learn more about the pulley system and how it works.
Tapered pulleys are common in paper mills. They are high-quality pulleys that transmit power to connected parts. They can be dynamic or static and have different balances. Because pulley systems are highly customized, most industrial applications require systems designed specifically for specific applications. In this way, the system is safe, simple and inexpensive. The benefits of this design are endless.
The most common use of pulleys is for motor drives. They are used to minimize noise by applying force to the shaft to reduce the workload. They are also less expensive than gears and do not require lubrication. Furthermore, they can change the direction of the applied force. They are also less expensive than gears and are often used with other components. A screw is a cylindrical member with helical ribs used to connect something.

shortcoming

Although the pulley system makes it easier to move heavy objects, it still has some drawbacks. When using a pulley system, you must remember that the force required to lift the weight increases with the number of cycles. In addition, the distance between the puller and the heavy object increases, which may lead to accidents. Also, moving heavy objects can be tricky if the rope slips. Pulley systems are not very expensive and can be easily assembled. However, it does require a lot of space.
First, it is not efficient. Besides being inefficient, pulleys produce different forces at different speeds. Fixed pulleys use more force than the load, while movable pulleys move with the load. A movable pulley requires less force than a fixed pulley, but the combined system travels a long distance. Therefore, this method is not as efficient as the fixed method.
Pulleys are not only used in industrial processes. You can see them in various places in your daily life. For example, large construction cranes use pulleys to lift heavy loads. Even flagpoles, blinds, clotheslines, ziplines, motors and climbing equipment use pulleys. Still, despite their advantages, the disadvantages are not too serious.
Another disadvantage of the pulley is its wear and tear. While a pulley’s housing is theoretically infinite, its bearings and locking components typically wear out over time. To overcome this problem, a new bearing and locking assembly can be installed. No need to replace the housing and shaft, the entire assembly can be re-bonded and painted to replicate the original look. Alternatively, the pulley can be replaced with a new housing and shaft.
Using pulleys can also reduce the advantage of pulleys. On the other hand, interception and tackle is a system in which 2 pulleys are connected to each other using ropes. Unlike pulleys, pulley pulley systems can be adjusted in the direction of travel and can move heavy loads up to 4 times their force when used in hydraulic lifts.

Product Description

Provide us with the detailed data according to the following drawing for us to quote.

Diameter[D]	No.	Item Code	Groove[N]	Rope Diameter[d]	Groove distance [a]	Inner Diameter [E]	Pulley Width [B1]	Hub  Width [B2]	Speed [m/s]
Φ320	1	NE320001	4	Φ8	12	Φ80-Φ90	60	80	≤2
	2	NE320002				Φ100-Φ110		85	≤2
	3	NE320003				Φ120-Φ130		90	≤2
	4	NE320004	5	Φ8	12	Φ80-Φ90	72	80	≤2
	5	NE320005				Φ100-Φ110		85	≤2
	6	NE320006				Φ120-Φ130		90	≤2
	7	NE320007	6	Φ8	12	Φ80-Φ90	85	80	≤2
	8	NE320008				Φ100-Φ110		85	≤2
	9	NE320009				Φ120-Φ130		90	≤2
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification									≤3
1.CZPT can supply standard parts such as Bearing, Shaft, U-bolt, etc according to customers’ requirements. 2.CZPT can produce other Non-standard elavator driving sheave according to customers’  requirements. 3.The above are standard common parameters.Pulley with diameter of Φ320,Φ400,Φ520 and others can also be supplied.     The below diameters of pulley are avaliable:  Φ150/Φ200/Φ220/Φ240/Φ250/Φ260/Φ280  Φ290/Φ300/Φ330/Φ350/Φ360/Φ410/Φ420  Φ440/Φ450/Φ480/Φ500/Φ540/Φ600/Φ640 Scope of application: villa elevator, passenger elevator, cargo elevator,   sightseeing elevator

 

Diameter[D]	No.	Item Code	Groove[N]	Rope Diameter[d]	Groove distance [a]	Inner Diameter [E]	Pulley Width [B1]	Hub  Width [B2]	Speed [m/s]
Φ400	1	NE400001	4	Φ10	14/15/16	Φ100-Φ110	73	85	≤2
	2	NE400002				Φ120-Φ130		90	≤2
	3	NE400003				Φ140		95	≤2
	4	NE400004	5	Φ10	14/15/16	Φ100-Φ110	90	85	≤2
	5	NE400005				Φ120-Φ130		90	≤2
	6	NE400006				Φ140		95	≤2
	7	NE400007	6	Φ10	14/15/16	Φ100-Φ110	105	85	≤2
	8	NE400008				Φ120-Φ130		90	≤2
	9	NE400009				Φ140		95	≤2
	10	NE40571	7	Φ10	14/15/16	Φ140	120	95	≤2
	11	NE400011				Φ150-Φ160		115	≤2
	12	NE400012	8	Φ10	14/15/16	Φ140	137	95	≤2
	13	NE400013				Φ150-Φ160		115	≤2
	14	NE400014	9	Φ10	14/15/16	Φ140	153	115	≤2
	15	NE400015				Φ150-Φ160		115	≤2
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.1-9)									≤3
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.10-15)									≤4
1.CZPT can supply standard parts such as Bearing, Shaft, U-bolt, etc according to customers’ requirements. 2.CZPT can produce other Non-standard elavator driving sheave according to customers’  requirements. 3.The above are standard common parameters.Pulley with diameter of Φ320,Φ400,Φ520 and others can also be supplied.     The below diameters of pulley are avaliable:  Φ150/Φ200/Φ220/Φ240/Φ250/Φ260/Φ280  Φ290/Φ300/Φ330/Φ350/Φ360/Φ410/Φ420  Φ440/Φ450/Φ480/Φ500/Φ540/Φ600/Φ640 Scope of application: villa elevator, passenger elevator, cargo elevator,   sightseeing elevator

 

Diameter[D]	No.	Item Code	Groove[N]	Rope Diameter[d]	Groove distance [a]	Inner Diameter [E]	Pulley Width [B1]	Hub  Width [B2]	Speed [m/s]
Φ520	1	NE500001	4	Φ10	14/15/16	Φ100-Φ110	73	85	≤2
	2	NE500002				Φ120-Φ130		90	≤2
	3	NE500003				Φ140		95	≤2
	4	NE500004	5	Φ10	14/15/16	Φ100-Φ110	90	85	≤2
	5	NE500005				Φ120-Φ130		90	≤2
	6	NE500006				Φ140		95	≤2
	7	NE500007	6	Φ10	14/15/16	Φ100-Φ110	105	85	≤2
	8	NE500008				Φ120-Φ130		90	≤2
	9	NE500009				Φ140		95	≤2
	10	NE50571	7	Φ10	14/15/16	Φ140	120	95	≤2
	11	NE500011				Φ150-Φ160		115	≤2
	12	NE500012	8	Φ10	14/15/16	Φ140	137	95	≤2
	13	NE500013				Φ150-Φ160		115	≤2
	14	NE500014	9	Φ10	14/15/16	Φ140	153	115	≤2
	15	NE500015				Φ150-Φ160		115	≤2
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.1-9)									≤3
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.10-15)									≤4
1.CZPT can supply standard parts such as Bearing, Shaft, U-bolt, etc according to customers’ requirements. 2.CZPT can produce other Non-standard elavator driving sheave according to customers’  requirements. 3.The above are standard common parameters.Pulley with diameter of Φ320,Φ400,Φ520 and others can also be supplied.     The below diameters of pulley are avaliable:  Φ150/Φ200/Φ220/Φ240/Φ250/Φ260/Φ280  Φ290/Φ300/Φ330/Φ350/Φ360/Φ410/Φ420  Φ440/Φ450/Φ480/Φ500/Φ540/Φ600/Φ640 Scope of application: villa elevator, passenger elevator, cargo elevator,   sightseeing elevator

FAQ
 

1. Are you manufacturer or trading company?

We are the leading manufacturer in Elevator Pulley field for more than 30 years, integrating R & D, Production and sales as 1 covering an area of 46,620 square meters.
 

2. What material are you using for packing?

We can use cartons or wooden cases to pack the products according our customers’ requirements.
 

3. We methods are you using for shipping?

We can use Sea shipping, Air shipping and Express accordingly. We have long-term cooperation with TNT, FedEx, UPS, EMS and DHL, multiple ways to choose from.
 

4. How can I place an order with you?

The best way is to send us your drawing and our engineer can make a drawing according to our exist mould. If you don’t have a drawing, you can send us your data for the elevator or pulley, we can also make drawing accordingly.
 

5. Do you have any other ways to introduce your company to all over the world?

We also attend exhibitions at home and abroad. Please leave us your contact information and we will send you invitation ahead of time.

Three basic types of pulleys, their applications and ideal mechanical advantages

There are 3 basic types of pulleys: movable, fixed and compound. Each has its advantages and disadvantages, and you should be able to judge which type is best for your needs by looking at the table below. Once you have mastered the different types of pulleys, you can choose the right pulley for your next project. Now that you have mastered the 3 basic types, it is time to understand their applications and ideal mechanical advantages.

describe

The stress characteristics of a pulley depend on its size and construction. These stresses are derived by comparing the stress characteristics of different pulley designs. Stress criteria include static and fatigue strength analyses and specify maximum stress ranges. Stresses are calculated in a 3D stress field, including radial, tangential and axial stresses. The stress characteristics of pulleys are critical to the design and manufacture of industrial machines.
The principal stresses on the pulley shell are distributed in the tangential and hoop directions, close to the centerline of the pulley. If the pulley has a wide face, the axial stress occurring near the shell/disk junction can be large. The stress distribution was determined using British Standard BS5400 Part 10: Stresses at the shell and end disc connections for infinite fatigue life.
Another type of composite is a pulley with a belt section. Such structures are well known in the art. The corresponding help chapters for these elements contain detailed descriptions of the internal structure of these components. Chamfers between pulleys can also be defined using multiple tapers, with a smaller taper extending from midpoint 44 to large diameter 42. Additionally, the pulley can have multiple taper angles, and as the pulley moves away, the taper angle is from the center.

type

A pulley system uses a rope to move the object and 1 side of the rope to lift the load. The load is attached to 1 end of the pulley, while the other end can move freely in space. The force applied to the free end of the rope pulls the load up or down. Because of this, the mechanical advantage of the movable pulley is 2 to one. The greater the force applied to the free end of the rope, the greater the amount of movement achieved.
There are 3 common types of pulleys. The cast-iron variety has a rim at the front and a hub at the back. The arms of the pulley can be straight or curved. When the arms contract and yield instead of breaking, they are in tension. The top of the pulley centers the belt in motion and is available in widths ranging from 9mm to 300mm.
The rope, hub and axle are mounted on the pulley. They are common and versatile mechanical devices that make it easier to move or lift objects. Some pulleys change the direction of the force. Others change the magnitude. All types of pulleys can be used for a variety of different applications. Here are some examples. If you’re not sure which type to choose, you can find more resources online.

application

The applications for pulleys are almost limitless. This simple machine turns complex tasks into simple ones. They consist of a rope or chain wrapped around a wheel or axle. Using ropes, 1 can lift heavy objects without the enormous physical exertion of traditional lifting equipment. Some pulleys are equipped with rollers, which greatly magnifies the lifting force.
When used properly, the pulley system can change the direction of the applied force. It provides a mechanical advantage and allows the operator to remain separate from heavy objects. They are also inexpensive, easy to assemble, and require little lubrication after installation. Also, once installed, the pulley system requires little maintenance. They can even be used effortlessly. Despite having many moving parts, pulley systems do not require lubrication, making them a cost-effective alternative to mechanical lifts.
Pulleys are used in many applications including adjustable clotheslines in different machines, kitchen drawers and motor pulleys. Commercial users of pulley systems include cranes. These machines use a pulley system to lift and place heavy objects. They are also used by high-rise building washing companies. They can easily move a building without compromising its structural integrity. As a result, many industries rely on technology to make elevators easier.

Ideal mechanical advantage

The ideal mechanical advantage of a pulley system is the result of rope tension. The load is pulled to the center of the pulley, but the force is evenly distributed over the cable. Two pulleys will provide the mechanical advantage of 2 pulleys. The total energy used will remain the same. If multiple pulleys are used, friction between pulleys and pulleys reduces the return of energy.
Lever-based machines are simple devices that can work. These include levers, wheels and axles, screws, wedges and ramps. Their ability to work depends on their efficiency and mechanical superiority. The ideal mechanical advantage assumes perfect efficiency, while the actual mechanical advantage takes friction into account. The distance traveled by the load and the force applied are also factors in determining the ideal mechanical advantage of the pulley.
A simple pulley system has an MA of two. The weight attached to 1 end of the rope is called FA. Force FE and load FL are connected to the other end of the rope. The distance that the lifter pulls the rope must be twice or half the force required to lift the weight. The same goes for side-by-side pulley systems.

Materials used in manufacturing

While aluminum and plastic are the most common materials for making pulleys, there are other materials to choose from for your timing pulleys. Despite their different physical properties, they all offer similar benefits. Aluminum is dense and corrosion-resistant, and plastic is lightweight and durable. Stainless steel is resistant to stains and rust, but is expensive to maintain. For this reason, aluminum is a popular choice for heavy duty pulleys.
Metal can also be used to make pulleys. Aluminum pulleys are lightweight and strong, while other materials are not as durable. CZPT produces aluminium pulleys, but can also produce other materials or special finishes. The list below is just representative of some common materials and finishes. Many different materials are used, so you should discuss the best options for your application with your engineer.
Metals such as steel and aluminum are commonly used to make pulleys. These materials are relatively light and have a low coefficient of friction. Steel pulleys are also more durable than aluminum pulleys. For heavier applications, steel and aluminum are preferred, but consider weight limitations when selecting materials. For example, metal pulleys can be used in electric motors to transmit belt motion.

cost

Replacing a tensioner in a car’s engine can cost anywhere from $90 to $300, depending on the make and model of the car. Cost can also be affected by the complexity of the pulley system and how many pulleys are required. Replacement costs may also increase depending on the severity of the damage. The cost of replacing pulleys also varies from car to car, as different manufacturers use different engines and drivetrains.
Induction motors have been an industrial workhorse for 130 years, but their cost is growing. As energy costs rise and the cost of ownership increases, these motors will only get more expensive. New technologies are now available to increase efficiency, reduce costs and improve safety standards.
The average job cost to replace an idler varies from $125 to $321, including labor. Parts and labor to replace a car pulley can range from $30 to $178. Labor and parts can cost an additional $10 to $40, depending on the make and model of the car. But the labor is worth the money because these pulleys are a critical part of a car’s engine.

Product Description

Provide us with the detailed data according to the following drawing for us to quote.

Diameter[D]	No.	Item Code	Groove[N]	Rope Diameter[d]	Groove distance [a]	Inner Diameter [E]	Pulley Width [B1]	Hub  Width [B2]	Speed [m/s]
Φ320	1	NE320001	4	Φ8	12	Φ80-Φ90	60	80	≤2
	2	NE320002				Φ100-Φ110		85	≤2
	3	NE320003				Φ120-Φ130		90	≤2
	4	NE320004	5	Φ8	12	Φ80-Φ90	72	80	≤2
	5	NE320005				Φ100-Φ110		85	≤2
	6	NE320006				Φ120-Φ130		90	≤2
	7	NE320007	6	Φ8	12	Φ80-Φ90	85	80	≤2
	8	NE320008				Φ100-Φ110		85	≤2
	9	NE320009				Φ120-Φ130		90	≤2
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification									≤3
1.CZPT can supply standard parts such as Bearing, Shaft, U-bolt, etc according to customers’ requirements. 2.CZPT can produce other Non-standard elavator driving sheave according to customers’  requirements. 3.The above are standard common parameters.Pulley with diameter of Φ320,Φ400,Φ520 and others can also be supplied.     The below diameters of pulley are avaliable:  Φ150/Φ200/Φ220/Φ240/Φ250/Φ260/Φ280  Φ290/Φ300/Φ330/Φ350/Φ360/Φ410/Φ420  Φ440/Φ450/Φ480/Φ500/Φ540/Φ600/Φ640 Scope of application: villa elevator, passenger elevator, cargo elevator,   sightseeing elevator

 

Diameter[D]	No.	Item Code	Groove[N]	Rope Diameter[d]	Groove distance [a]	Inner Diameter [E]	Pulley Width [B1]	Hub  Width [B2]	Speed [m/s]
Φ400	1	NE400001	4	Φ10	14/15/16	Φ100-Φ110	73	85	≤2
	2	NE400002				Φ120-Φ130		90	≤2
	3	NE400003				Φ140		95	≤2
	4	NE400004	5	Φ10	14/15/16	Φ100-Φ110	90	85	≤2
	5	NE400005				Φ120-Φ130		90	≤2
	6	NE400006				Φ140		95	≤2
	7	NE400007	6	Φ10	14/15/16	Φ100-Φ110	105	85	≤2
	8	NE400008				Φ120-Φ130		90	≤2
	9	NE400009				Φ140		95	≤2
	10	NE40571	7	Φ10	14/15/16	Φ140	120	95	≤2
	11	NE400011				Φ150-Φ160		115	≤2
	12	NE400012	8	Φ10	14/15/16	Φ140	137	95	≤2
	13	NE400013				Φ150-Φ160		115	≤2
	14	NE400014	9	Φ10	14/15/16	Φ140	153	115	≤2
	15	NE400015				Φ150-Φ160		115	≤2
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.1-9)									≤3
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.10-15)									≤4
1.CZPT can supply standard parts such as Bearing, Shaft, U-bolt, etc according to customers’ requirements. 2.CZPT can produce other Non-standard elavator driving sheave according to customers’  requirements. 3.The above are standard common parameters.Pulley with diameter of Φ320,Φ400,Φ520 and others can also be supplied.     The below diameters of pulley are avaliable:  Φ150/Φ200/Φ220/Φ240/Φ250/Φ260/Φ280  Φ290/Φ300/Φ330/Φ350/Φ360/Φ410/Φ420  Φ440/Φ450/Φ480/Φ500/Φ540/Φ600/Φ640 Scope of application: villa elevator, passenger elevator, cargo elevator,   sightseeing elevator

 

Diameter[D]	No.	Item Code	Groove[N]	Rope Diameter[d]	Groove distance [a]	Inner Diameter [E]	Pulley Width [B1]	Hub  Width [B2]	Speed [m/s]
Φ520	1	NE500001	4	Φ10	14/15/16	Φ100-Φ110	73	85	≤2
	2	NE500002				Φ120-Φ130		90	≤2
	3	NE500003				Φ140		95	≤2
	4	NE500004	5	Φ10	14/15/16	Φ100-Φ110	90	85	≤2
	5	NE500005				Φ120-Φ130		90	≤2
	6	NE500006				Φ140		95	≤2
	7	NE500007	6	Φ10	14/15/16	Φ100-Φ110	105	85	≤2
	8	NE500008				Φ120-Φ130		90	≤2
	9	NE500009				Φ140		95	≤2
	10	NE50571	7	Φ10	14/15/16	Φ140	120	95	≤2
	11	NE500011				Φ150-Φ160		115	≤2
	12	NE500012	8	Φ10	14/15/16	Φ140	137	95	≤2
	13	NE500013				Φ150-Φ160		115	≤2
	14	NE500014	9	Φ10	14/15/16	Φ140	153	115	≤2
	15	NE500015				Φ150-Φ160		115	≤2
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.1-9)									≤3
Centrifugal polymerization one-piece metal bushing Nylon Pulley of same specification(No.10-15)									≤4
1.CZPT can supply standard parts such as Bearing, Shaft, U-bolt, etc according to customers’ requirements. 2.CZPT can produce other Non-standard elavator driving sheave according to customers’  requirements. 3.The above are standard common parameters.Pulley with diameter of Φ320,Φ400,Φ520 and others can also be supplied.     The below diameters of pulley are avaliable:  Φ150/Φ200/Φ220/Φ240/Φ250/Φ260/Φ280  Φ290/Φ300/Φ330/Φ350/Φ360/Φ410/Φ420  Φ440/Φ450/Φ480/Φ500/Φ540/Φ600/Φ640 Scope of application: villa elevator, passenger elevator, cargo elevator,   sightseeing elevator

FAQ
 

1. Are you manufacturer or trading company?

We are the leading manufacturer in Elevator Pulley field for more than 30 years, integrating R & D, Production and sales as 1 covering an area of 46,620 square meters.
 

2. What material are you using for packing?

We can use cartons or wooden cases to pack the products according our customers’ requirements.
 

3. We methods are you using for shipping?

We can use Sea shipping, Air shipping and Express accordingly. We have long-term cooperation with TNT, FedEx, UPS, EMS and DHL, multiple ways to choose from.
 

4. How can I place an order with you?

The best way is to send us your drawing and our engineer can make a drawing according to our exist mould. If you don’t have a drawing, you can send us your data for the elevator or pulley, we can also make drawing accordingly.
 

5. Do you have any other ways to introduce your company to all over the world?

We also attend exhibitions at home and abroad. Please leave us your contact information and we will send you invitation ahead of time.

What Is a Pulley?

The pulley is a wheel mounted on a shaft or axle. Its purpose is to support the movement of a cable that is taut. This cable transfers power to a shaft. However, there are certain safety precautions that you should follow when using a pulley. Read on to learn more! Listed below are common uses and their main parts. Listed below are some of the benefits of using a pulley.

Common uses of a pulley

A pulley is a common mechanical device used to increase the force needed to lift a heavy object. Most commonly, these devices are used in construction equipment. These machines use high-10sion ropes to transfer heavy objects from 1 floor to another. Other common uses of a pulley include buckets and flagpoles. These devices are extremely useful in a wide range of applications. To learn more about the common uses of pulleys, keep reading.
A pulley is a wheel with grooves for holding rope. Its purpose is to change the direction and point at which a pulling force acts. It is usually used in sets to reduce the amount of force needed to lift a load, but the work involved is similar. Pulleys are also used in rock climbing devices. For many applications, a pulley is a vital part of construction.
The most common use of a pulley involves hoisting and lowering a flag. Other examples include clotheslines, bird feeders, and escalators. Pulleys are also commonly used on oil derricks. Many other common applications include hoisting and lowering garage doors. Pulley systems are also used in engines and cranes. For more information, check out our interactive pulley diagram!
Pulleys can also be used to lower total work required for a task. In many cases, a pulley will consist of 2 parts: the pulley hub and the shaft pulley. The hub clamps the shaft pulley, while the pulley itself is connected to the motor or other device. If you’re looking for a pulley, it’s important to learn how it works.
The most common uses for a pulley involve lifting heavy objects, and the mechanism used to lift them is known as a pulley. A pulley is an industrial device that uses 2 wheels to reduce the force needed to lift a weight. The pulley reduces this force by half by allowing the user to pull on the rope 4 times as far. The pulley also allows for a smaller lifting distance.

Main parts of a pulley

A pulley consists of the main element of a system. This is typically a cable, rope, belt, or chain. There are 2 basic types of pulleys – a Driver Pulley and a Follower Pulley. Pulleys are available in small and large sizes. The periphery part of the pulley is called the Face, and the protruding middle part is called the Crown. A pulley’s face can be round, rectangular, or even “V” shaped.
The first pulley was created by the Greek mathematician Archimedes in the third century BCE. These simple machines are made of a rope, an axle, and a wheel. The pulley’s end is attached to a person, object, or motor. These machines can be used in various tasks to lift heavy objects. The pulley is a great mechanical advantage for any lifter.
The ideal mechanical advantage of a pulley is defined by the number of rope segments that pull an object. The higher the number of loops on the rope, the higher the mechanical advantage. The greater the mechanical advantage, the less force is required to move the object. Likewise, the greater the distance the rope traverses, the higher the mechanical advantage of a pulley. There are several different types of pulley, depending on their combination of rope, wheel, and rope.
The basic components of a pulley are the face and hub, and the rope is threaded into the center of the pulley. The pulley is usually made of a rope and can be used to lift heavy weights. It can also be used to apply great force in any direction. Step pulleys have multiple faces, which are fixed in sequence. They can also increase the speed of the driven pulley.
A pulley is a simple machine consisting of a wheel, rope, or chain. These parts are crucial for making moving and lifting easier. Because they change the direction and magnitude of force, they can be a useful tool. Some pulleys even change direction. You can learn more about the pulley by downloading this resource today. The resources are designed to support the new 9-1 GCSEs in Design & Technology and Engineering.

Mechanical advantage

Pulleys have been used to move heavy objects for centuries. When 2 rope sections are used, the weight of a 100kg mass can be moved with only 500 newtons of force. Adding an extra pulley increases the mechanical advantage. If the pulley has 2 wheels, the distance between the rope sections and the wheel grooves is only half the distance, but the mechanical advantage still applies. Adding another pulley increases the mechanical advantage, but can be risky.
Mechanical advantage is the ratio of force used versus force applied. The calculations are made under the assumption that the ropes and weights do not elongate or lose energy due to friction. If the weights are very light, the mechanical advantage is greater than that in the real world. To calculate the mechanical advantage, the weight of the load to be lifted must be the same as the weight of the person using the pulley.
A single moveable pulley has a mechanical advantage of two. The weight passes around the pulley, and 1 end of the rope is attached to a fixed point. The pulling force is then applied to the other end of the rope. The distance the weight travels doubles, or halved, depending on the direction of the pulley. Adding a second pulley reduces the distance and the effort required to lift it.
There are several ways to calculate the mechanical advantage of a pulley system. Some methods are specific to certain types of systems, while others work for all systems. The T-Method is a good choice in many applications, as it calculates the units of tension for each rope segment. Once you have determined the input force, you need to determine the maximum force that will be applied to each component. A compound pulley, for example, will require 4 units of tension for each rope segment.
In simple terms, the effort is the amount of force needed to lift the load. This force is measured in newtons (N). A mechanical advantage is often presented without units. If the student does not have this unit, you may need to convert the units to newtons, since 1 kilogram is equal to 10 newtons. If you can’t figure out the units of effort, you can use the KWL chart provided by the teacher.

Safety precautions

There are a few safety precautions you should take when using a pulley. First, always check the SWL (safe working load) before attaching anything to the pulley. This indicates the maximum weight and angle the pulley can safely handle. Second, make sure that your work area is free from people and debris. Third, wear a hard hat to protect your head from blows and falling objects.
Another important consideration is anchoring. Although the pulley reduces the weight of an object, it is not enough to eliminate the weight. This is especially true if you are hoisting a heavy object, such as a motorcycle or lawnmower. It is important to ensure that the anchoring point can support the entire weight of the load. It is also important to follow proper anchoring procedures when using a pulley to lift a motorcycle or lawnmower.
In addition to the safety latch, you should use a tag line to control the suspended load. Remember that a chain pulley block is necessary for vertical lifting. You should also wear personal protective equipment (PPE) while using a pulley to avoid injuries. If your workplace does not have an PPE policy, you should consider implementing a similar policy. These safety guidelines are a good start.
If you are using a pulley to lift heavy objects, make sure to wear gloves. Those who are not familiar with rope-pulling will have an easier time demonstrating how it works. If you are using a rope-pulley system in a classroom, be sure to follow lab safety guidelines. Wear cloth gloves, clear the area, and do not jerk the rope. In addition, never allow yourself to be pulled into the rope by an unfamiliar person.
Another important safety precaution when using a pulley is to ensure that the anchor point for your system is adequate to support the weight of the object being lifted. Check with the manufacturer of the pulley to find out what its weight limit is, as some types of pulleys are designed to lift much heavier weights than others. It is important to follow all manufacturer’s instructions when using a pulley.