Product Description
China Factory Rubber Conveyor Pulley for Conveyors Mining Industry
YILUN conveyor pully is manufactured as per customer requirement, with main design unfer national standard, quality inspection focusing on shaft core, welded joint, rubber material and hardness, dynamic balance and so on for longer product lifetime.
Our products are widely used in thermal power generation, harbours, cement plants, metallurgy and as well as the light duty conveying devices for industries.
Product Parameters
| Application | recycling industry power industry parcel transport industry petro industry coal mining industry cement concrete industry machining industry |
| Pipe/Tube/Shell | 1)Material:Q235 Steel 2)Diameter:219mm-3000mm 3)Length:500mm-5000mm,depends on the belt width of the conveyor |
| Shaft/Axis | Material:#45 Steel |
| Bearing | Big roving crack, deep groove ball with double sealing |
| Welding | Pipe and bearing housing with automatic welding |
| Surface | Smooth steel color surface, rubber lagging surface |
| Color | Red,green,blue or as require |
| Working life | ≥30000 hours |
| Standard | GB,ISO,DIN,CEMA,JIS |
| Special | can be customized according to customer or design for customer |
| Supply Ability | 50 pcs per day |
| Certificate | ISO9001:2008, BV, SGS |
Quality inspection
Our Advantages
Yilun Conveyor Drum Pulley Advantage:
1. Dust-proof & Water-proof
The contact-sealing is adopted, which enjoys more superior dustproof and waterproof
2. Low Vibration and Noise
Static balance test to ensure G40 accuracy level.
3. Strong Force of Friction
The material for shaft is forged shaft of 40Cr instead of #45 round steel,which improves mechanical property
4. Easy Installation & Simple Maintenance
The bearing block and taper-lock are ground, which ensure the installation precision
5. Min 50000 hours service life
Product Features
| Conveyor Pulley Test | 1. All butt welds shall be full Penetration 2. All welds to be full seal welds to prevent rust 3. Shell seam welds are submerged arc (SAW) 4. Includes stress relieving of shell prior to machining 5. Ultrasonic testing of all shafts 6. Drillings for Temperature probe / vibration analysis device 7. Remove all butts and sharp edges |
| Conveyor Pulley Shaft Selection | The major cause of conveyor pulley failure is excessive shaft deflection. The Conveyor Pulleys – ZheJiang HSCD Engineering department can perform Stress Analysis and Finite Element Analysis to maximize your conveyor pulley performance. |
| Conveyor Pulley Shell Material | Q345B Carbon Steel GR350 Carbon Steel ANSI 4140 Alloy Steel ASTM A514B Stainless Steel |
| Bearing House | SKF/NSK/ /HRB/LYC, as customer request. |
| Conveyor Pulley Lagging | Plain rubber lagging, Herringbone and CZPT grooves are all available . Hot Vulcanised Durometer . Hardness 50-55-65 Shore A, M Grade . Oil Resistant, Heat Resistant FRAS |
| Comprising | •Drive pulley, Head pulley and Tail Pulleys •Take-Up Pulleys, •Snub pulley & Bend Pulleys •Self Cleaning Spiral CZPT pulley & Drum Pulleys |
| Significant advantages | • The thick pulley shell absorbs more stress. • The large crown angle provides superior belt tracking capabilities. • True concentric machining provides: • maximum contact with the belt, • consistent belt content discharge, • less deflection of shaft, • less stress on the bearings |
| Available Conveyor Pulley Designs |
•Liveshaft or Deadshaft types. •Flat or crowned shell. •Taconite, labyrinth or speciality seals. •Oil or grease lubricated. •Self centering or low pressure lock element designs. |
Packaging & Shipping
Iron Pallet Packing of Convey Pulley for shipping in 20ft or 40ft containers.
Customer visiting&Exhibitions
After Sales Service
We give our customers the greatest support in after sale service.
1. Send the engineer to train how to install the conveyor face to face;
2. Any problems can be solved online in time;
3. Conveyor/Roller/Idler Parts are available in stock.
4. Strict Quality Control to keep the long life time.
What kinds of Conveyor Pulleys we can manufacture:
·Conveyor head pulley, Conveyor drive pulley, Conveyor bend pulley, Conveyor Tail Pulley
·Conveyor tension pulley, Conveyor snub Pulley, Conveyor CZPT Pulley, Conveyor take up Pulley and so on
Company Profile
HangZhou CZPT conveying Machinery Co.,Ltd was founded in 2005. It’s registered capital is 11.68million CNY and It is private joint-stock enterprise. Our main products are cnoveyor roller,idler,frame, pulley,belt and belt conveyor system for TD75 ,DTII,DTIIA,CEMA ects. We has large lathes, numerical control, double pressing machine, double welding machine, double boring lathe, milling machine, sawing machine and so on. The products have gained various patents. We can produce more than 1 thousand rollers and 10 pulleys per day.
We have the professional QC dept. to keep the good quality before the goods sent out.
According to differenct requirements of domestic and foreign customers’ drawings, we can produce products complying to German DIN standard, Austrilian AS standard, Japanese JIS standard, American CEMA standard, South African SANS-SABS standard, Russian GOST standard, and French AFNOR standard, etc. The products are sold to Middle East,Africa ,Australia,Europe,Southeast Asia,Russia and some other countries and regions. We will Strengthen the inner management and improve our products’ quality constantly.
We will offer the best products for customers from the beginning to the end.
Pulley Type
There are several types of pulleys. These include fixed pulleys, load multipliers and movable pulleys. Below is a description of each pulley type. A load multiplier is a special type of pulley with multiple wheels for increased lifting capacity. It is used in a wide range of applications including power transmission and construction. Some common uses of pulleys are listed below.
moving pulley
Movable pulleys work by transferring the weight of a load to another object of the same mass. Since a live pulley is inherently frictionless and weightless, the force required to lift a load with it is the same as the weight of the load. This principle applies to tall buildings and residences. It is an excellent choice for lifting heavy objects such as furniture and washing machines.
A pulley is a mechanical device with a wheel that rotates on a shaft. The axle is attached to the wheel and is usually fixed. The movable pulley can be fixed or movable, both of which can change the direction of the force on the rope. Some pulleys can also change the magnitude and direction of the force. They are ideal for a variety of applications, from lifting heavy objects to transporting objects.
Another type of movable pulley works by transmitting force to another object. It has a free axis and the total force provided by the rope tension is balanced. Since the tension on the rope is constant in each segment, pulling 1 end of the rope will double the force on the shaft, resulting in 2 mechanical advantages. This mechanical advantage is the main reason why movable pulleys are so versatile.
Another form of moving pulley is called a KWL diagram. The KWL diagram summarizes the basic concepts of the drive wheel. KWL diagrams are an excellent way to assess a student’s understanding of the concepts discussed in the course. Word questions are a great way to check whether students understand concepts. When students answer the word questions correctly, the answer is yes!
Fixed wheel pulley
If you need to move heavy objects, a single fixed wheel pulley is not a good choice. Using a single fixed pulley might be similar to using a handbag, but it’s not very convenient. This type of pulley system relies on friction to transmit motion. As a result, it can slip and isn’t always reliable. Fortunately, you can find other options that work just as well.
Fixed pulleys are the most basic type of pulley. They consist of grooved wheels and ropes attached to objects. These pulleys make lifting easier. Because the rope or cable only moves in 1 direction, the movement of the object feels lighter. And they are also easy to install. However, before you buy a fixed wheel pulley, make sure it is strong enough to support the weight of the load.
The disadvantages of fixed pulleys are obvious. One of them is the lack of mechanical advantage. A fixed pulley pulls up with the same force as a single moving pulley, and a single fixed pulley is not particularly effective as a force multiplier. However, the effect is more pronounced when you combine multiple fixed-wheel pulleys. You will get double the power! So what do fixed wheel pulleys have to offer?
Fixed wheel pulleys can be as small as a ring. A single ring pulley requires twice as much force as the weight being pulled. Adding more loops to the rope will reduce the effort required to pull the weight. The mechanical advantage of a fixed pulley is proportional to the number of strands running to the free pulley. A 100-pound pull on the free end will lift a 300-pound load.
composite pulley
Compound pulleys are pulleys that can be used to change the direction of a control wire. It can also be used to modify the mechanical force of the wire by moving the item it is connected to. In galleons, compound pulleys are more common. They are often combined with other ropes for mechanical advantage. Here are some common uses for composite pulleys.
The ideal mechanical advantage of a pulley is equal to the number of rope segments that pull up the load. This means that the more rope segments, the less force is required. A compound pulley will have the ideal mechanical advantage of 2, which means it will generate more force than a simple pulley. Composite pulleys are also more efficient at transmitting force because their number of rope segments is usually equal to the unit weight.
Composite pulley systems use more than 2 pulleys and ropes. More pulleys will reduce the force required to move heavier objects. They are usually used in large sailboats. The system is also used on construction sites. It can be used for a variety of applications, including lifting large objects or transmitting electricity. You can imagine how it would change your life if you had to move a large sailboat, but the result would be the same: a composite pulley system would make it easier to lift a large sailboat.
Composite pulleys are also known as fixed pulleys. The fixed pulley is stationary, and the movable pulley moves back and forth. The latter is more effective when used with a detachable cord or strap. On the other hand, a moving pulley is a moving pulley and it gives you a mechanical advantage. You can imagine this pulley on a flagpole.
load multiplier
The multiplication system has 3 basic parts: the rope grab, the connector, and the pulley. While some basic multipliers may combine the 3 parts, the concept remains the same. The multiplication system can make pulling the rope easier by reducing the amount of friction that occurs. Below are some examples of multiplication systems. A compact rope grab is a great option for resetting the multiplier.
The load reduction that a pulley system can achieve is proportional to the number of ropes used to support it. Although most utility pulley systems use only 4 ropes, the theoretical maximum load reduction is a quarter of the actual load. In other words, the four-wheel system only reduces the weight of a 1,000-pound load by a quarter. That would require 167 pounds of force, a far cry from the 500-pound load a single pulley system can achieve.
The mechanical advantage of a pulley system can be calculated by calculating the ratio between the forces exerted on each wire. For example, a 90-kilogram load is supported by 3 ropes, each weighing about 30-5 pounds. The ropes on pulleys A and B each carry a load of 60 kg. Using this formula, a single pulley system will yield a mechanical advantage over 2 tractors.
To calculate the force required to pull the rope over the pulley, measure the angle and deflection between the ropes. The deflection angle when added to the included angle should equal 180 degrees. A 75 degree angle requires 159% of the load force. This means a total load multiplier of four. This formula is an important tool for calculating the force multiple of the pulley.
Disadvantages of fixed pulleys
There are 2 basic types of pulleys: movable and fixed. Active pulleys are more advanced, allowing the pulley to move according to the load. They reduce the force required to lift the load. Active roller pulleys are more compact and therefore take up less space. Both types are good for lifting heavier objects, but they each have their pros and cons.
Fixed wheel pulleys can be used to lift heavy objects. This type of pulley consists of a wheel with a fixed shaft that has grooves on its edges for guiding ropes or cables. This is a simple machine as no motor or engine is required to lift objects. When 2 or more wheels are used together, the ropes around the wheels form a powerful hoist.
Single wheel pulleys are not suitable for lifting. They tend to push things down. Also, they are unreliable because they rely on friction and can slip. Also, a single wheel pulley would require a lot of space. Another disadvantage of fixed-wheel pulleys is that they make it difficult to move heavy objects easily. Single fixed-wheel pulleys also tend to slip easily, making them a poor choice for many applications.
Fixed wheel pulleys are also easier to install and maintain than manually operated ones. It requires less space and lubrication than manual pulleys. Manual pulleys can cause injury because the operator will be lifting the full weight of the heavy object. Additionally, rope slippage can lead to muscle strains and rope burns. And the system requires frequent maintenance.
