China factory American Standard 8V Series Cast Iron Six-Groove Pulley Sheaves with Split Taper Bushings idler pulley

Product Description

8V Series Cast Iron Six-Groove Pulley Sheaves with Split Taper Bushings

The 8V series 6 groove tapered bushing pulley is used for 8V and 8V V-belts. They range in diameter from 12.5 “to 64.0”. Depending on the pulley size, they use S1, or U0 split tapered bushes, which we also have in stock. Most of our 6 groove 8V split tapered pulleys are made of high-strength grade 35 cast iron, coated with phosphate coating and anti-corrosion paint. All these are balanced at the factory to ensure the machine’s smooth operation.

Six-Groove 8V Split Taper Sheave Size Chart

Relevant supporting 8V, 8V belt series V-belt
(1) 8V series V-belt
Classic 8V series V-belts have a top width of 0.63 “, a thickness of 0.53”, and an angle of 38 °. In addition, the 8V V-belt is 1 of the oldest V-belts in the industry. Because of their long-term success and economical operation, they are also 1 of the industry’s most widely used belt series. The high-quality 8V series v-belts we provide are manufactured according to ISO 9001 specifications, with oil and heat resistance, and can be directly interchanged with other brands. They are composed of natural rubber compound and polyester rope, covered with a mixture of cotton and polyester, and have high durability.
(2) 8V series ribbon V-belt
The 8V series v-belts are part of the “classic” v-belt series because they are 1 of the oldest and most common styles. Our belts are manufactured according to ARPM standards and have excellent strength, durability, and performance. The top width of each belt (belt/rib) of the 8V series v-belt is 1.0 inches.
Relevant open tapered bushing
Split tapered bushes are 1 of the most commonly used bushes because they have high overall strength, are easy to install and unload, and have a high retention force to connect the shaft to the drive unit or idler gear assembly. Open tapered bushes are used for various pulleys, conveyor pulleys, and sprockets. Our split taper bushes are steel or cast material and can be interchanged with any other brand. It is designed as a flanged bushing with a tapered cylinder with a slit on each side. We have G series to W2 series split taper bushings and 0.375 inches to 7.438-inch metric hole diameters. For more information or to get a quote for our high-strength open taper bushing, please contact our customer support team, and we will be happy to help you.
Pulley material and production requirements:
1. The pulley materials used for the fan are gray cast iron HT200, HT250, etc. (but steel, copper, aluminum, etc. can also be used according to customer needs).
2. The pulley shall meet the following requirements: lightweight, uniform mass distribution, elimination of internal stress generated in the manufacturing process, and static balance correction of a V-shaped pulley.
Pulley installation method:
1. Check the pulley groove to ensure that there are no scratches or sharp edges and that all dimensions meet the standards;
2. Clean the surfaces of all parts, such as hub holes, tapered sleeves, bolt holes, etc. Install the tapered sleeve into the pulley and align all screw holes.
3. Coat the screw (TB1008-TB3030) and thread (TB3525-TB5050) with engine oil and screw them into the mounting hole, but do not tighten them.
4. Clean the surface of the drive shaft, push the belt pulley with a tapered sleeve to the predetermined position on the column, and check whether the V-shaped belt pulley is aligned.
5. When using the keyway, it must be inserted into the hub first, and there must be a certain tolerance between the keyway and the hole hub.
6. Use a hex wrench conforming to the DIN911 standard to tighten the bolts in each mounting hole alternately, gradually, and evenly until the torque shown in the table below is reached.
7. After a short period of operation (0.5 to 1 hour), check the tightening torque of the bolts and retighten them if necessary.
8. To prevent foreign matters from invading, fill the connecting hole with grease.
Removal method of belt pulley:
1. Loosen all bolts, take out 1 or 2 bolts according to the number of removal holes, lubricate the bolt type and tip with engine oil, and then insert the bolts into the holes.
2. Tighten the bolts alternately until the conical sleeve and pulley are loosened.
3. Remove the tapered sleeve and pulley from the shaft.
A typical application of the 8V series pulley
The pulley is a hub-type part. The manufacturing process is usually based on casting and forging. It comes in various sizes. It is a universal transmission component in much mechanical equipment. At present, the pulley is mainly used for long-distance power transmission. To adapt to various applications, the pulley products on the market have a variety of specifications, types, and sizes. Therefore, processing equipment, textile machinery, packaging machinery, generators, air machinery, presses, and other equipment in many fields are widely used in automobiles.

Company Information



Type: Agricultural
Usage: Agricultural Products Processing, Farmland Infrastructure, Tillage, Harvester, Planting and Fertilization, Grain Threshing, Cleaning and Drying
Material: Iron
Power Source: Electricity
Weight: 6kg
After-sales Service: Installation Guide 3-Year Warranty


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 two 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 two blocks is the total tension and the force acting on the pulley is the weight of the two blocks.
This simple mechanism uses two 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 three 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 two 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 one “V” groove. V-belt pulleys are commonly used in vehicles and electric motors.
Composite pulleys are made from more than one 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 three 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 one 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.


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.


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 two 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 four times their force when used in hydraulic lifts.

China factory American Standard 8V Series Cast Iron Six-Groove Pulley Sheaves with Split Taper Bushings   idler pulley	China factory American Standard 8V Series Cast Iron Six-Groove Pulley Sheaves with Split Taper Bushings   idler pulley
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