Tag Archives: head pulley

China Head Pulley for vacuum Belt Filter pulley bearing

Product Description

 Rubber pulleys

Every filter is equipped with a drive pulley and a driven pulley the cylindrical floor and lateral area are protected by SBR rubber. For the travel pulley, the rubber layer thickness is no considerably less than thirty mm, even though the thickness is 16 mm at the idea, with the hardness of 65 degrees. For the pushed pulley, the rubber layer thickness is 25 mm. V-formed grooves are carved on the rubber layer of the drive pulley, to drain the extra fluid and boost the adhesive power of the rubber layer. The support existence is up to a hundred,000 several hours. The design and style and manufacture of all rollers (including the rubber belt help roller, the filter fabric supporting, bend and tension rollers, the filter cloth press roller, and the cloth flattening roller) are of minimal bending stress, that is: the roller does not bend during load working the bearings of all rollers adopt self-positioning double-seal ball bearings, and simultaneously the sealing effects are entirely taken into account, the mom liquid is not allowed to enter the bearing physique. The framework that the bearing entire body is placed externally and mounted on the framework is not suggested.
 

 

Rubber belt assistance roller:   The creation patent technologies (ZL96115855.7) is used. The roller substance is plastic alloy. Constructed-in layout and labyrinth style are utilized in the bearing, to make certain that the bearing is not corroded by atmosphere and penetration, which can significantly boost the bearing lifestyle.

 

 

 

 

Rubber belt help roller    It employs Q235 seamless pipe, with SBR rubber coated on the surface area and the rubber thickness is 20 mm. For the rubber-coated roller, the diameter of DU-72 m2/3200 is φ345. Each finishes of the roller are linked to the framework with bearings and a single-piece sealed bearing assist. The bearings adopt weighty series double-row self-aligning roller bearings.

 

 

 

 

Filter fabric press roller   It is mounted in front of the feeding hopper, and its function is to ensure the efficient integration of the filter cloth and rubber belt prior to the filter fabric moving into the feeding hopper. The materials is Q235 CZPT plastic. It is of tapered layout at equally ends, with a diameter of φ325.

 


/ Piece
|
1 Piece

(Min. Order)

###

Material: Natural Rubber
Usage: Industrial
Roller Surface Material: Rubber Roller
Rubber Roller Core Structure: Heavy Roller
Rubber Hardness: Soft Rubber Roller
Configuration of Surface: Black

###

Samples:
US$ 200/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:
Available

|



/ Piece
|
1 Piece

(Min. Order)

###

Material: Natural Rubber
Usage: Industrial
Roller Surface Material: Rubber Roller
Rubber Roller Core Structure: Heavy Roller
Rubber Hardness: Soft Rubber Roller
Configuration of Surface: Black

###

Samples:
US$ 200/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:
Available

|


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

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 one 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.
pulley

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 one 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 one 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.
pulley

timing pulley

Plastic timing pulleys have many advantages over steel timing pulleys. On the one 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 one 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.

China Head Pulley for vacuum Belt Filter     pulley bearing	China Head Pulley for vacuum Belt Filter     pulley bearing
editor by CX 2023-03-30

China Conveyor Head Pulley with Antiflaming and Cold Resistant Rubber Sheet crankshaft pulley

Solution Description

Recognized in 1976 in China, JXIHU (WEST LAKE) DIS., are regarded as the very first Conveyor and components: roller, body, pulley company in HangZhou, China. The speedy growth of the company in China shortly designed the need for a distribution depot, therefore in 2007 a new department was put in place in ZheJiang City
The modern day JXIHU (WEST LAKE) DIS. now manufactures conveyor goods to go well with all materials of mining, metal plant, cement plant, quarry, crushing and screening gear. Our experience and understanding makes it possible for us to supply totally on our claims of supplying quick answers to your enquiries, speedy services, large good quality items and previously mentioned all, we are totally committed to be the ideal at what we do.

Support Brokers are also located in: United kingdom, South Africa, Kenya, Indonesia, Thailand, Kazakhstan

JXIHU (WEST LAKE) DIS.’S Pulleys are engineered to offer you an efficient and improved different to normal stock Drum Pulleys. These pulleys simplify the selection as they can be used in a broad selection of programs from normal, mine and quarry responsibility, hence reducing your alternative inventory. Submerged arc welding with machined-in weld preparing for greatest penetration, and are stocked with XT bushings but are also obtainable for Keyless Locking Products.

 

Welding Complete penetration weld employing a high-power submerged arc process
Machining CNC Machining of conclude-discs and Shafts
Screening NDT Testing is available
Pressure Relieving Thermal Pressure Relieving guarantees each part in the pulley operates as a pulley program
Balancing  Static Balancing is standard and dynamic balancing is offered

We stand by our ensure——Waranty: 2 many years
Our ensure is the best in the organization for 1 easy purpose: We want you to have confidence in our merchandise before you make the purchase. And there is only 1 way to do that… remove all potential threat for you, the client.
Even though the particular terms depend on the merchandise, our assures all boil down to this: if our product or engineered technique mounted and serviced by JXIHU (WEST LAKE) DIS. does not execute to your gratification, you could return the products for cash or credit rating equal to
the price of the technique.

  
    

      

 

To Be Negotiated 1 Piece
(Min. Order)

###

Material: Carbon Steel
Surface Treatment: Baking Paint
Motor Type: Frequency Control Motor
Installation: Horizontal
Standard: Cema, JIS, as, SABS
OEM: Acceptable

###

Customization:

###

Welding Full penetration weld using a high-strength submerged arc process
Machining CNC Machining of end-discs and Shafts
Testing NDT Testing is available
Stress Relieving Thermal Stress Relieving ensures each component in the pulley operates as a pulley system
Balancing  Static Balancing is standard and dynamic balancing is available
To Be Negotiated 1 Piece
(Min. Order)

###

Material: Carbon Steel
Surface Treatment: Baking Paint
Motor Type: Frequency Control Motor
Installation: Horizontal
Standard: Cema, JIS, as, SABS
OEM: Acceptable

###

Customization:

###

Welding Full penetration weld using a high-strength submerged arc process
Machining CNC Machining of end-discs and Shafts
Testing NDT Testing is available
Stress Relieving Thermal Stress Relieving ensures each component in the pulley operates as a pulley system
Balancing  Static Balancing is standard and dynamic balancing is available

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, two 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 four 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 two 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 two 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, two pulleys should have two or more mechanical advantages. The mechanical advantage of compound pulleys can be increased to two or more. The number of pulleys that make up the composite pulley will determine the mechanical advantage. Certain types of pulleys are combined in one 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 three 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 two 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 two 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 one 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 Conveyor Head Pulley with Antiflaming and Cold Resistant Rubber Sheet     crankshaft pulley	China Conveyor Head Pulley with Antiflaming and Cold Resistant Rubber Sheet     crankshaft pulley
editor by czh 2022-12-25

China Guide Wheel Device/ Head Sheave/ Sheave Pulley pulley block

Item Description

 Xihu (West Lake) Dis. Wheel System/ Head Sheave/ Sheave Pulley

Introduction:
Mine hoist can be divided into 2 types 1 kind is JKE series one rope mining hoist and the other is Multi-rope friction hoist. 
This collection mine hoist which includes 2m-5m single tubular and double tubular sorts, and can be used for mining hoist, personnel lifting and material and tools descending from vertical shafts or inclined shafts of coal, metal and nonmetal ores.
JK mine hoist is mainly used in inclined roadways and wells of coal mines, metal mines and non-metal mines to hoist or lower personnel and materials.

Complex parameters:

Model Drum Tension
PF
Tension 
Differe
 
Rope
Diameter
Lift peak (m) Max 
Pace
Reduce 
pace ratio
Motor
Pace
 
Number Dia Width one-layer 2-layer 3-layer
 
   
m KN mm m m/s r/min
JK-2×1.5/20 1 2. 1.5 62 24 305 650 1571 5.2 twenty. 1000
JK-2×1.5/31.five 31.5
JK-2×1.8/20 1.80 375 797 1246 20.
JK-2×1.8/31.5 31.five
JK-2.5×2/twenty 2.five 2.00 83 28 448 945 1475 5. 20. 750
JK-2.5×2/31.5 31.five
JK-2.5×2.3/20 2.30 525 1100 1712 twenty.
JK-2.5×2.3/31.5 31.five
JK-3×2.2/twenty 3. two.20 135 36 458 966 1513 six. 20.
2JK-2×1/11.2 2 2. 1.00 62 40 24 182 406 652 7. 11.two
2JK-2×1/20 20.
2JK-2×1/31.five 31.five
2JK-2×1.25/eleven.2 1.twenty five 242 528 838 11.two
2JK-2×1.twenty five/20 twenty.
2JK-2×1.25/31.five 31.five
2JK-2.5×1.2/11.two 2.five 1.twenty 83 65 28 843 8.8 eleven.2
2JK-2.5×1.2/20 twenty.
2JK-2.5×1.2/31.5 31.five
2JK-2.5×1.5/eleven.2 2.five 1.fifty 83 65 28 319 685 1080 8.eight 11.2
2JK-2.5×1.5/20 twenty.
2JK-2.5×1.5/31.five 31.5
2JK-3×1.5/eleven.2 3. 135 90 36 289 624 994 10.five 11.two
2JK-3×1.5/20 twenty.
2JK-3×1.5/31.5 31.five
2JK-3×1.8/11.two 1.eighty 362 770 1217 11.2
2JK-3×1.8/20 twenty.
2JK-3×1.8/31.5 31.5
2JK-3.5×1.7/eleven.2 3.5 1.70 170 115 40 349 746 12.6 eleven.two
2JK-3.5×1.7/twenty 20.
2JK-3.5×2.1/eleven.2 2.10 450 950 eleven.two
2JK-3.5×2.1/eleven.two 20.
2JK-4×2.1/ten 4. 245 160 48 421 891 12.six ten. 600
2JK-4×2.1/11.two 11.2
2JK-4×2.1/20 twenty.
2JK-5×2.3/ten 5. 2.30 280 180 52 533 12 ten. 500
2JK-5×2.3/eleven.two  

US $5,000-6,000
/ Ton
|
1 Ton

(Min. Order)

###

Certification: CE, ISO 9001:2008
Standard: ASME, BS, ANSI, GB, ASTM, DIN
Surface Treatment: Sand Blast
Manufacturing Process: Forging
Material: Carbon Steel
Name: Head Sheave

###

Customization:

###

Model Drum Tension
PF
Tension 
Differe
 
Rope
Diameter
Lift height (m) Max 
Speed
Reduce 
speed ratio
Motor
Speed
 
Number Dia Width 1-layer 2-layer 3-layer
 
   
m KN mm m m/s r/min
JK-2×1.5/20 1 2.0 1.5 62 24 305 650 1025 5.2 20.0 1000
JK-2×1.5/31.5 31.5
JK-2×1.8/20 1.80 375 797 1246 20.0
JK-2×1.8/31.5 31.5
JK-2.5×2/20 2.5 2.00 83 28 448 945 1475 5.0 20.0 750
JK-2.5×2/31.5 31.5
JK-2.5×2.3/20 2.30 525 1100 1712 20.0
JK-2.5×2.3/31.5 31.5
JK-3×2.2/20 3.0 2.20 135 36 458 966 1513 6.0 20.0
2JK-2×1/11.2 2 2.0 1.00 62 40 24 182 406 652 7.0 11.2
2JK-2×1/20 20.0
2JK-2×1/31.5 31.5
2JK-2×1.25/11.2 1.25 242 528 838 11.2
2JK-2×1.25/20 20.0
2JK-2×1.25/31.5 31.5
2JK-2.5×1.2/11.2 2.5 1.20 83 65 28 843 8.8 11.2
2JK-2.5×1.2/20 20.0
2JK-2.5×1.2/31.5 31.5
2JK-2.5×1.5/11.2 2.5 1.50 83 65 28 319 685 1080 8.8 11.2
2JK-2.5×1.5/20 20.0
2JK-2.5×1.5/31.5 31.5
2JK-3×1.5/11.2 3.0 135 90 36 289 624 994 10.5 11.2
2JK-3×1.5/20 20.0
2JK-3×1.5/31.5 31.5
2JK-3×1.8/11.2 1.80 362 770 1217 11.2
2JK-3×1.8/20 20.0
2JK-3×1.8/31.5 31.5
2JK-3.5×1.7/11.2 3.5 1.70 170 115 40 349 746 12.6 11.2
2JK-3.5×1.7/20 20.0
2JK-3.5×2.1/11.2 2.10 450 950 11.2
2JK-3.5×2.1/11.2 20.0
2JK-4×2.1/10 4.0 245 160 48 421 891 12.6 10.0 600
2JK-4×2.1/11.2 11.2
2JK-4×2.1/20 20.0
2JK-5×2.3/10 5.0 2.30 280 180 52 533 12 10.0 500
2JK-5×2.3/11.2  
US $5,000-6,000
/ Ton
|
1 Ton

(Min. Order)

###

Certification: CE, ISO 9001:2008
Standard: ASME, BS, ANSI, GB, ASTM, DIN
Surface Treatment: Sand Blast
Manufacturing Process: Forging
Material: Carbon Steel
Name: Head Sheave

###

Customization:

###

Model Drum Tension
PF
Tension 
Differe
 
Rope
Diameter
Lift height (m) Max 
Speed
Reduce 
speed ratio
Motor
Speed
 
Number Dia Width 1-layer 2-layer 3-layer
 
   
m KN mm m m/s r/min
JK-2×1.5/20 1 2.0 1.5 62 24 305 650 1025 5.2 20.0 1000
JK-2×1.5/31.5 31.5
JK-2×1.8/20 1.80 375 797 1246 20.0
JK-2×1.8/31.5 31.5
JK-2.5×2/20 2.5 2.00 83 28 448 945 1475 5.0 20.0 750
JK-2.5×2/31.5 31.5
JK-2.5×2.3/20 2.30 525 1100 1712 20.0
JK-2.5×2.3/31.5 31.5
JK-3×2.2/20 3.0 2.20 135 36 458 966 1513 6.0 20.0
2JK-2×1/11.2 2 2.0 1.00 62 40 24 182 406 652 7.0 11.2
2JK-2×1/20 20.0
2JK-2×1/31.5 31.5
2JK-2×1.25/11.2 1.25 242 528 838 11.2
2JK-2×1.25/20 20.0
2JK-2×1.25/31.5 31.5
2JK-2.5×1.2/11.2 2.5 1.20 83 65 28 843 8.8 11.2
2JK-2.5×1.2/20 20.0
2JK-2.5×1.2/31.5 31.5
2JK-2.5×1.5/11.2 2.5 1.50 83 65 28 319 685 1080 8.8 11.2
2JK-2.5×1.5/20 20.0
2JK-2.5×1.5/31.5 31.5
2JK-3×1.5/11.2 3.0 135 90 36 289 624 994 10.5 11.2
2JK-3×1.5/20 20.0
2JK-3×1.5/31.5 31.5
2JK-3×1.8/11.2 1.80 362 770 1217 11.2
2JK-3×1.8/20 20.0
2JK-3×1.8/31.5 31.5
2JK-3.5×1.7/11.2 3.5 1.70 170 115 40 349 746 12.6 11.2
2JK-3.5×1.7/20 20.0
2JK-3.5×2.1/11.2 2.10 450 950 11.2
2JK-3.5×2.1/11.2 20.0
2JK-4×2.1/10 4.0 245 160 48 421 891 12.6 10.0 600
2JK-4×2.1/11.2 11.2
2JK-4×2.1/20 20.0
2JK-5×2.3/10 5.0 2.30 280 180 52 533 12 10.0 500
2JK-5×2.3/11.2  

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, two 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 four 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 two 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 two 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, two pulleys should have two or more mechanical advantages. The mechanical advantage of compound pulleys can be increased to two or more. The number of pulleys that make up the composite pulley will determine the mechanical advantage. Certain types of pulleys are combined in one 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 three 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 two 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 two 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 one 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 Guide Wheel Device/ Head Sheave/ Sheave Pulley     pulley block	China Guide Wheel Device/ Head Sheave/ Sheave Pulley     pulley block
editor by czh 2022-12-19

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With EPG manufacturer registered in a lot more than 70 international locations like The usa , Europe , Japan and so on, it has associates among world prime enterprises, this kind of as JOHNDEERE, NEW HOLLAND, CLAAS, HONDA, KUBOTA, YANMAR, and many others. Service & Top quality controlWe offer in depth drawings and supply every time essential. Our experts and engineers have 23 years of Knowledge in the Bearing Sector. Overview:

The explosion-proof electric roller is employed as the driving gadget of conveying EPTTry in the explosive mixture environment shaped by combustible fuel, gas, dust, etc.
The merchandise is an ideal driving system for a variety of mounted belt conveyors. It adopts planetary cycloid EPTT within of the housing, which has the characteristics of massive bearing capability, powerful overload capacity, stable EPTT, lower sounds, EPTT provider daily life, and many others. It can meet up with the requirements of a variety of backstop and rubber coating.

Operating issue:

  1. -15 ordmC~forty ordmC The ambient temperature is – fifteen ordmC ~ forty ordmC
  2. 1000meters Altitude not more than 1000M
  3. 60 ordmC The temperature of conveying resources shall not exceed 60 ordmC
  4. frequency:50Hz
  5. Voltage: 380/660V, 660/1140V.

Traits:

It can include all EPT elements that are effortless to lead to sparks in the flameproof enclosure

  1. Compact construction, tiny place
  2. EPT to use and maintain, operating securely and trustworthy, EPTTer services life
  3. It can meet up with the demands of numerous backstop, braking, rubber coating, and so on.

Basic parameter assortment of the item:

Type Dia.(mm) EPTT (KW) Strip Width(mm) EPTTpe Speed(m/s) Excess weight(kg) max.
BYD 320~1000 1.five~55 500~1400 .25~three.15 184~2440

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Advanced thermo treatment gear, these kinds of as community warmth treatment method oven, multi-use thermo treatment method oven, etc. Our products are used in a lot of fields. We have exported our products to Korea, Turkey, Bulgaria, Romania, Russia, Italy, Norway, the Usa, Canada, and many others. EPTTEPTT EPTT EPT Specification colon
1 period of time EPT Diameter colon 250-1800mm period of time
two interval Belt width colon 300mm to 2400mm interval
three period Duration colon Rely on the belt width interval
four period EPT colon EPTT dioXiHu (West EPT) Dis.de arc welding comma argon arc welding comma electrode welding and many others period semi In accordance with AWS stXiHu (West EPT) Dis.Hu (West EPT) Dis.rd or substitute welding stXiHu (West EPT) Dis.Hu (West EPT) Dis.rd
5 period of time Lagging colon Chilly lagging semi Sizzling vulcanized lagging comma ceramic lagging
6 time period EPT tube materials colon Q235 seamless carbon metal interval
7 period Specialist pulley manufacturing line period
eight interval Professional creating and inspection team interval
nine time period Certification colon ISO comma BV comma etc

Type of EPTT EPT colon
EPTT tail pulley
EPTT head pulley
EPTT rubber lagging pulley
EPTT steel pulley
EPTT driving pulley
EPTT turnaround pulley
Pattern conveyor pulley
EPTT pulley
EPT conveyor pulley
EPT pulley and so forth time period

EPTT EPT EPTTil pulley colon
EPT pulley can be divided into driving pulley lparhead pulley rpar and thurn about pulley lpartail pulley rpar comma driving pulley is the primary component for transmitting the EPTT colon EPT surface area and rubber surface comma and rubber surface area can be classified into clean rubber area comma herringbone rubber area and diamond rubber floor to fulfill different complex requirements time period Averting pulley can be categorized into easy rubber surface and smooth metal floor interval
EPTT
All the pulley undertake built-in bearing housing which is lubricated and stuffed with grease and has two types colon Iron casting and metal casting comma the shaft is manufactured of forty five numsteel comma the shell undertake weld assembly interval

Our very best quality based on colon
EPT
Encounter in Cooperate with EPTT 500 Businesses
Professional Engineering Functionality
Steady EPTT
Sensible Price
Modest Orders Acknowledged
Continuous EPTTrovements
EPT Solution Functionality
Prompt Shipping and delivery
Specialist Support

For more details comma make sure you inquiry us excl
EPTester conveyor belt comma lparEPT rpar
Nylon conveyor belt comma lparNN rpar
Cotton conveyor belt comma lparCC rpar
Sidewall conveyor belt lparSW rpar
Metal Cord conveyor belt lpar ST rpar
Chevron conveyor belt comma lparC5 C10 and C15 rpar
Oil Resistance conveyor belt comma lparOR and MOR rpar
Hot Resistance conveyor belt comma lparEPT rpar
Fire Resistance conveyor belt comma lparFR solPVC solPVG rpar
Warmth Resistance conveyor belt comma lparEPT sol FR rpar
Chilly Resistance conveyor belts comma lparCR rpar
Sample conveyor belt lpar thirty furthermore EPTs rpar
EPT EPT conveyor belt lparHeat resistant temp right up until 800c rpar
Unlimited belts
EPTT roller comma loafer
EPTT EPT comma frame comma bracket and so on

Kind Belt width lparmm rpar StXiHu (West EPT) Dis.Hu (West EPT) Dis.rd Diameter lparmm rpar Length lparmm rpar
Push EPT EPT five hundred 500 Length of the pulley relies upon on
the belt width of the conveyor
650 five hundred comma 630
800 500 comma 630 comma 800
a thousand 630 comma 800 comma one thousand
1200 630 comma 800 comma a thousand
1400 800 comma 1000
EPTTil EPT 500 250 comma 315 comma 400 comma 500
650 250 comma 315 comma four hundred comma 500
800 250 comma 315 comma four hundred comma 500 comma 630 comma 800 comma 1000
one thousand 250 comma 315 comma four hundred comma five hundred comma 630 comma 800 comma 1000
1200 250 comma 315 comma 400 comma 500 comma 630 comma 800 comma one thousand
1400 250 comma 315 comma four hundred comma five hundred comma 630 comma 800 comma 1000

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