China Professional Spz SPA Spb Spc V Belt Pulley wholesaler

Product Description

Belts are flexible loops of material that can link 2 rotating shafts mechanically and transmit power between them. Belts are also the primary component in belt drives, where 1 or more continuous belts are fitted over 2 pulleys at 2 shafts and rotary motion is transferred from the driving pulley to the driven pulley.

As compared to chain drives and gear drives, belt drives run quietly and smoothly and do not need lubrication. Maintenance is also comparatively convenient, and the driven shaft speed can be easily altered by changing pulley sizes.

 

Pulleys are parts of disc hubs, which are generally relatively large in size. The manufacturing process is generally based on casting and forging. Generally, the larger size is designed to use the casting method, the material is generally cast iron (good casting performance), and cast steel is rarely used (the casting performance of steel is not good); generally the smaller size can be designed for forging. For steel. Pulleys are mainly used for long-distance transmission of power, such as the power output of small diesel engines, agricultural vehicles, tractors, automobiles, mining machinery, machining equipment, textile machinery, packaging machinery, lathes, forging machines, and some small horsepower motorcycles. Transmission, power transmission of agricultural machinery, air compressor, reducer, reducer, generator, gin, etc.

Company Profile

ZheJiang Mighty Machinery Co., Ltd. specializes in offering best service and the most competitive price for our customer.

After over 10 years’ hard work, MIGHTY’s business has grown rapidly and become an important partner for oversea clients in the industrial field and become a holding company for 3 manufacturing factories.

MIGHTY’s products have obtained reputation of domestic and oversea customers with taking advantage of technology, management, quality and very competitive price.

Your satisfaction is the biggest motivation for our work, choose us to get high quality products and best service.

MIGHTY manufacture different types pulleys as follows:

1) European standard:    
    a) V-belt pulleys for taper bushings: SPZ, SPA, SPB, SPC; up to 10 grooves   
    b) Adjustable speed V-belt pulleys and variable speed pulleys   
    c) Flat belt pulleys and conveyor belt pulleys
2) American standard:   
    a) Sheaves for taper bushings: 3V, 5V, 8V    
    b) Sheaves for QD bushings: 3V, 5V, 8V   
    c) Sheaves for split taper bushings: 3V, 5V, 8V       
    d) Sheaves for 3L, 4L or A, and 5L or B belts: AK, AKH,2AK, 2AKH, BK,  BKH,2BK, 2BKH, 3BK    
    e) Adjustable sheaves: poly V-pulley, multi-pitch H, L, J, K and M
       Parts can be made according to drawings and/or samples,OEM service is welcomed
3) Bore type: pilot bore, finished bore, taper bore, bore for QD bushing
4) Surface finish: paint, phosphating, zinc plated
5) Material: cast iron, ductile iron, nylon, aluminum
6) Made according to drawings and/or samples, OEM inquiries welcome

Taper Bush V-belt Pulley Types

Groove Type Groove Number P Taper Bush
SPZ 1.2.3.4.5.6 50-630mm 1108-3535
SPA 1.2.3.4.5.6 50-630mm 1108-3535
SPB 1.2.3.4.5.6.8.10 100-1000mm 1610-5050
SPC 3.4.5.6.8.10.12 212-1250mm 2517-5050

Related Products

Timing belt pulleys, timing bars, timing belt clamping plates.

Locking elements and shrink discs: could be alternative for Ringfeder, Sati, Chiaravalli, BEA, KBK, Tollok, etc.

V belt pulleys and taper lock bush.

Sprockets, idler, and plate wheels.

Gears and racks: spur gear, helical gear, bevel gear, worm gear, gear rack.

Shaft couplings: miniature coupling, curved tooth coupling, chain coupling, HRC coupling, normex coupling, FCL coupling, GE coupling, rigid and flexible coupling, jaw coupling, disc coupling, multi-beam coupling, universal joint, torque limiter, shaft collars.

Forging, Casting, Stamping Parts.
Other customized power transmission products and Machining Parts (OEM).

Application

1. Engineering: machine tools, foundry equipments, conveyors, compressors, painting systems, etc.

2. Pharmaceuticals& Food Processing: pulp mill blowers, conveyor in warehouse, agitators, grain, boiler, bakery machine, labeling machine, robots, etc.

3. Agriculture Industries: cultivator, rice winnower tractor, harvester, rice planter, farm equipment, etc.

4. Texitile Mills: looms, spinning, wrappers, high-speed auto looms, processing machine, twister, carding machine, ruler calendar machine, high speed winder, etc.

5. Printing Machinery: newspaper press, rotary machine, screen printer machine, linotype machine offset printer, etc.

6. Paper Industries: chipper roll grinder, cut off saw, edgers, flotation cell and chips saws, etc.

7. Building Construction Machinery: buffers, elevator floor polisher mixing machine, vibrator, hoists, crusher, etc.

8. Office Equipments: typewriter, plotters, camera, money drive, money sorting machine, data storage equipment, etc.

9. Glass and Plastic Industries: conveyor, carton sealers, grinders, creeper paper manufacturing machine, lintec backing, etc.

10. Home Appliances: vacuum cleaner, laundry machine, icecream machine, sewing machine, kitchen equipments, etc.

FAQ

Q: Are you trading company or manufacturer ?
A: We are factory.

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below:

 

The Mechanical Advantage of a Pulley

A pulley is an important tool for many tasks. The advantage that it offers over a hand-held mechanism is its mechanical advantage. In this article, we’ll discuss the types of pulleys and their applications. We’ll also look at the types of compound pulleys. And, of course, there’s a little bit about the mechanical advantage of a pulley. This article will help you decide whether this tool is right for your needs.
pulley

Mechanical advantage of a pulley

A pulley has a mechanical advantage over a lever because it is able to produce more force over longer distances. The mechanical advantage of a pulley sounds brilliant and could produce energy. But what exactly is this mechanical advantage? Let’s take a look. First, consider how a pulley works. A rope supports a 100kg mass, which requires 500 newtons of force to lift. If the rope supports a 100kg mass, 2 sections of rope can support that load. Using a pulley, you can lift the same weight with half the force.
A pulley’s ideal mechanical advantage is the ratio of the force applied to the total length of the rope. The larger the radius, the greater the mechanical advantage. A pulley made up of 4 rope segments has an ideal mechanical advantage of four. Therefore, a four-segment pulley would multiply the force applied by four. As the numbers on the rope segments are smaller than the total length of the rope, it would be better to use a compound pulley.
The mechanical advantage of a pulley can be calculated by using the T-method. The first step in calculating the mechanical advantage of a pulley is defining the force you need to lift. Then, divide that force by 2 to calculate the amount of force you need to lift the load. Once you know this amount, you can design a pulley to meet your needs. That way, you can achieve the perfect balance between the 2 types of pulleys.

Types of pulleys

The main function of the pulley is to change the direction of the force. The mechanical advantages of a single pulley are two. Ideally, 2 pulleys should have 2 or more mechanical advantages. The mechanical advantage of compound pulleys can be increased to 2 or more. The number of pulleys that make up the composite pulley will determine the mechanical advantage. Certain types of pulleys are combined in 1 housing.
A stepped pulley is a set of pulleys with stepped surfaces. Each face is anchored to the mid-axis in an ordered sequence. This design gives these pulleys their name. They are used to increase and decrease the speed of the driven pulley. Step pulleys are usually used in pairs. They can be straight or stepped, but usually come in pairs.
The 3 main types of pulleys are pulleys, rope pulleys, and chain pulleys. Pulley Pulley systems use mechanics to lift and lower heavy objects. The Greek historian Plutarch credits the invention of the pulley to Archimedes of ancient Sicily. The Mesopotamians used rope pulleys to lift water around 1500 BC, and Stonehenge is said to have been built using a rope pulley system.
pulley

Application of pulley system

The advantages of using a pulley system are numerous. The ability to lift heavy objects is a good example. The pulley system makes it easy for people to lift blocks and other large objects. It can be used in many different applications, from utility elevators to construction cranes. In addition, it is widely used on sailing boats. If you want to learn more about the benefits of a pulley system, keep reading!
You can use the pulley system to water flowers or water plants. Some of them even lowered the pot to make cleaning easier. Pendant lights are another great place to install a pulley system. Climbing and fishing are just some of the activities that utilize the pulley. They are great for fishing and gardening. And since they are so versatile, you can use the pulley system anywhere.
To get the most out of your pulley system, you must choose a product that has all of the above attributes. A high-quality pulley must have a large pulley diameter and be made of sturdy materials. The cables must also be properly supported in the pulleys to ensure a long service life for your investment. A good cable should have minimal cracks and be lubricated. These factors are the most important considerations when choosing a pulley system for your needs.

composite pulley

Composite pulley systems combine 2 or more movable pulleys. These systems maximize the force to move the weight and can also change direction so they can be used to lift weights. Composite pulley systems can be as simple or as complex as your needs. For example, a pulley pulley system uses multiple pulleys on each axis. This method is often used for hoisting building materials.
A compound pulley system has 2 or more rope segments, each of which is pulled up on a load. It can increase lift by making objects move faster. These systems are common on large sailboats and construction sites. Composite pulleys are also available for larger boats. Due to their versatility, they are versatile tools for construction sites and large sailboats. If you have their app, you should consider buying one.
The main advantage of composite pulleys is their versatility. You can use them to lift weights or use them to save energy. Composite pulleys are especially useful for lifting heavy objects. For example, you can tie a paper clip to the end of the rope and pull it up. The flag is then lifted into the air with the help of compound pulleys. Composite pulleys are a great invention and they are often used in construction.

security considerations

There are several safety considerations to consider when using pulleys. The first is Secure Workload (SWL). This value is a general guideline for the maximum weight a pulley can safely handle. It varies according to the height and angle of the pulley. Besides SWL, there are some other factors to consider. Consider each 1 before deciding on the pulley that best suits your needs.
Another safety consideration is the weight of the load. Since the highs of the pulley are higher than the lows, it doubles in weight. The weight of the high point should not exceed 4 kN. The safety factor is calculated by multiplying the strength of the pulley by the weight of the load. Secondary COD has a safety factor of 10:1 and bulletproof primary anchors should be used with pulleys.
If using a chain hoist, you must be trained in the appropriate type of lifting. It is important not to hang on the top hooks of the structure, nor to overload or rig the hooks with multiple slings. You should also avoid corroded or damaged chains, as they can cause the crane to jam or overload. A worn chain can even cause the load to drop.
pulley

Components of a pulley system

Proper design of the pulley system can increase the life of the cables and pulleys. Larger diameter cables should be selected as they are more durable than smaller diameter cables. The cables should also be supported in the pulley grooves. The pulley must be designed to be compatible with the cable and its lubrication should be optimal. Proper lubrication of cables and pulleys will ensure maximum durability and longevity.
The first type of pulley is called a fast pulley. These pulleys are used for quick start and stop of the machine. These pulleys are usually mounted in pairs on the countershaft of the machine. One pulley is tightly mounted on the machine shaft, while the other pulley is fitted with a free-spinning mechanism. When the machine is running, the belt is mounted on the tensioner pulley, and when it is stopped, the belt slides on the independent pulley.
Composite pulley sets reduce the overall effort required by reducing the size of the pulley. These are usually attributed to Archimedes. Flat pulleys are often used in flat belt driven transmission systems. These are used in high-speed, low-power applications. Flat pulley idlers are also used on the back of traditional V-belts.

China Professional Spz SPA Spb Spc V Belt Pulley     wholesaler China Professional Spz SPA Spb Spc V Belt Pulley     wholesaler