Tag Archives: the pulley

China OEM Rubber Steel Conveyor Roller Pulley for Conveyors in The Mining Industry with high quality

Product Description

Rubber Steel Conveyor Roller Pulley For Conveyors in The Mining Industry

YILUN conveyor pulley is manufactured as per customer requirement, with main design under 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, harbors, cement plants, metallurgy and as well as 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, depending 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 required
Working life ≥30000 hours
Standard GB,ISO,DIN,CEMA,JIS
Special can be customized according to the customer or designed for the 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 the 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 ensures the installation precision 

5. Min 50000 hours of 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  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 specialty 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 lifetime.
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 is located in the economic and development zone of Xihu (West Lake) Dis., HangZhou city, Shangdong Province. Our company is specialize in fixed conveyors, movable and going up and down conveyers with type TD75, DTII, and DTIIA. the roller and drum/pulley. Our company also gain some product patent.it also improves our brand “YILUN” and also implores new markets, such as Europe, Australia, South Africa, the Middle East, Africa, etc. 

FAQ:
1. Q: Is your bearing type and brand usually used? 
 A: Large ball bearing type deep ball bearing with SRB, and according to customer’s requirements. 

2. Q: How is your Payment Term? 
A: T/T or L/C. Another payment term we can also discuss. 

3. Q: Can you customize it? 
A: We support customization according to your request. 

4. Q: What’s the MOQ? 
A: 3 pieces. 

5. Q: What’s the production capacity of your conveyor pulley? 
20 pcs/day.
6. Q: What’s your roller’s lifetime?
Our pulley has a long life with good performance and usually
makes sure 30000 to 50000 hours under the normal site and operation.

If you are interested in us, pls contact me  ^ ^  

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 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.
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 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.
pulley

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.

China OEM Rubber Steel Conveyor Roller Pulley for Conveyors in The Mining Industry   with high qualityChina OEM Rubber Steel Conveyor Roller Pulley for Conveyors in The Mining Industry   with high quality

China Hot selling The Standard Processing Products of Synchronous Pulley of Automation Equipment Parts Are Complete, and The Economic Type Replaces Mismi Yiheda with Best Sales

Product Description

Product Parameters

HangZhou Runkey Precision Technology Co.Ltd .,

We are an industry and trade integration company integrating automation equipment parts, electronic equipment, precision machinery parts, modules and rapid manufacturing. we will always provide you with professional /reliable/high quality quotation and products with perfect services in time.
With rich experience of manufacturing, we aim to develop long term relationships with each and every 1 of our customers by delivering quality workmanship, on time and at a competitive cost. Through making customer satisfaction our top priority, we have been CZPT to go from strength to strength.
Our friendly, efficient and professional service and the ability to meet tight delivery deadlines have helped us to build a large customer base, and enabled us to attract business from a wide area.

As a mechanism for transmitting the rotating power generated by the motor, synchronous belt pulley, synchronous belt idler and synchronous belt are usually widely used for design.

Through the engagement between the synchronous belt pulley, the synchronous belt idler and the synchronous belt teeth, the function of transmission and transmission is realized.

 

Business Type   Manufacturer,Trader
Our services   ODM/OEM :CNC Machining ,sheet metal ,lathe,wire cutting,injection,vac forming,surface treatment,laser cutting,drilling, grinding, bending, stamping, welding,assembling,extrusion and so on.
Materials(including material cert)   Aluminum:2571/5052/6061-T6/6063/6082/7075…
Stainless Steel: 17-4PH/304/303/316/420/410/440C…
Steel 1214L/1215/1045/4140/SCM440/40CrMo/…
Titanium: TC4/Gr2/Gr5…
Brass 3602 / 2604 / H59 / H62 /932 Bearing Bronze …Bronze/Aluminum Bronze
Plastic:PEEK/Nylon 66 /ABS/Delrin 150/ POLYCARBONATE/ASTM D6100 Acetal/POM/Rulon/PC…
 
Finish   polishing/Deburring/ brush/ sand blasting, Normal anodize/harden anodize, black oxide, plating(Chrome/Nickel/zinc/gold/silver…)…
Tolerance   +/-0.005mm,ISO2768 standard class F ,
Accuracy Of Machining:0.01mm
Accuracy Of Grinding:+ or -0.005mm
Surface Roughness:Ra0.2(polishing) ,Ra0.4(lathe-turning),Ra0.8(CNC)
Parallelism/Verticality/Concentricity:0.02mm(deponds on actual structure /material..)
 
Lead Time   3-7 days for rapid samples,3-4 weeks for mass production
Drawing Accepted   Solid Works,Pro/Engineer, AutoCAD(DXF,DWG), PDF,TIF , IGS , STP…
Inspection   FAI/100% Inspection/As per customer requirement
MOQ   1 PCs/small/large batches.Depending on detailed orders .
Packing methods   1. Standard package
2. Pallet or container
3. As per customized specifications
 
Payment   30% T/T deposit with PO, balance 70% T/T before shipment for first cooperation
Our Advantages  

1. Reliable Quality

2. Competitive Price

3. High precision, high quality, tight tolerance with 15+ years experience

4. Continuous Improvement

5. On-Time Delivery

6. Customer Satisfaction Questionnaire

7. After-Sales Service
 

Certificate   ISO9001:2015
Transportation   Air(DedEx/UPS/DHL ..)/Sea  ,or customer demands

Designation Working Range Machining Accuracy
Turning Max: Ø 460X1000mm
Min: Ø 0.5X10mm
OD Tolerance: ± 0.01(OD: Ø ≤50mm,Length: L≤100mm)
Hole Tolerance: ± 0.02(Aperture: Ø ≤50mm,Length: L≤50mm)
Roundness & Concentricity: 0.01~0.02( 3≤ Ø ≤50mm,L≤75mm)
Surface Roughness: Ra1.6~Ra3.2
CNC Machining (Maximum Machining Range):1200×2400×700mm
(Maximum Machining Weight):
1500kg
Hole Tolerance: ≤± 0.008 (Aperture: Ø 3~Ø 50mm)
Hole Roundness/Cylindricity: 0.008~0.02 (Aperture: Ø 3~Ø 50mm)
Hole Pitch/Edge Distance: ≤± 0.01 (Center Distance≤75mm)
Perpendicularity of Hole Axis: 0.008~0.02 (Hole Depth≤15mm)
Perpendicularity of Hole Axis: 0.008~0.02 (Hole Depth≤15mm)
Surface Roughness: Ra0.8~Ra1.6
Circular Grinding
 
OD: Max Ø 200X750mm
ID: Min Ø 5X10mm
OD Tolerance: ≤ ± 0.01 (OD: Ø ≤50,L≤100)
ID Tolerance: ≤ ± 0.01 (Aperture: Ø ≤10,L≤25)
Roundness & Concentricity: 0.02 (3≤ Ø ≤50,L≤75)
Surface Roughness: Ra0.8~Ra1.6

 
 

 

 

 

Our Advantages

Quality Control

1) Checking the raw material after they reach our factory——- Incoming quality control ( IQC)
2) Checking the details before the production line operated
3) Have full inspection and routing inspection during mass production—In process quality control(IPQC)
4) Checking the goods after they are finished—- Final quality control(FQC)
5) Checking the goods after they are finished—–Outgoing quality control(OQC)

Why Choose Us

1) Design assistance and full engineering support .
2) Professional at OEM CNC parts .
3) Complete production lines for custom turning, milling, CNC machining sheet metal fabrication, stamping, bending, argon welding
and surface treatment.
4) Advanced machine tools, CAD/CAM programming software.
5) Prototype machining capabilities.
6) Strict quality control standards with a highly qualified inspection department .
7) Continually upgrading and advancing our equipment to remain competitive .
8) Small quality is also available.

FAQ

Q: What do I need for offering a quote ?
A: Please offer us 2D or 3D drawings (with material, dimension, tolerance, surface treatment and other technical requirement etc.),quantity, application or samples.
Q: What is your MOQ?
A: MOQ depends on our client’s needs, besides,we welcome trial order before mass-production.
Q: What is the production cycle?
A: It varies a lot depending on product dimension,technical requirements and quantity. We always try to meet customers’
requirement by adjusting our workshop schedule.
Q: What kind of payment terms do you accept?
A.: T/T, L/C, Escrow, paypal, western union, moneygram etc.
Q: Is it possible to know how is myproduct going on without visiting your company?
A: We will offer a detailed products schedule and send weekly reports with digital pictures and videos which show the machining progress.

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!
pulley

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.
pulley

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.
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.

China Hot selling The Standard Processing Products of Synchronous Pulley of Automation Equipment Parts Are Complete, and The Economic Type Replaces Mismi Yiheda   with Best SalesChina Hot selling The Standard Processing Products of Synchronous Pulley of Automation Equipment Parts Are Complete, and The Economic Type Replaces Mismi Yiheda   with Best Sales

China Hot selling The Synchronous Pulley of Automation Equipment Parts Has Complete Models, and The Economic Type of Standard Processed Products Replaces Mismi Yiheda near me shop

Product Description

Product Parameters

HangZhou Runkey Precision Technology Co.Ltd .,

We are an industry and trade integration company integrating automation equipment parts, electronic equipment, precision machinery parts, modules and rapid manufacturing. we will always provide you with professional /reliable/high quality quotation and products with perfect services in time.
With rich experience of manufacturing, we aim to develop long term relationships with each and every 1 of our customers by delivering quality workmanship, on time and at a competitive cost. Through making customer satisfaction our top priority, we have been CZPT to go from strength to strength.
Our friendly, efficient and professional service and the ability to meet tight delivery deadlines have helped us to build a large customer base, and enabled us to attract business from a wide area.

As a mechanism for transmitting the rotating power generated by the motor, synchronous belt pulley, synchronous belt idler and synchronous belt are usually widely used for design.

Through the engagement between the synchronous belt pulley, the synchronous belt idler and the synchronous belt teeth, the function of transmission and transmission is realized.

 

Business Type   Manufacturer,Trader
Our services   ODM/OEM :CNC Machining ,sheet metal ,lathe,wire cutting,injection,vac forming,surface treatment,laser cutting,drilling, grinding, bending, stamping, welding,assembling,extrusion and so on.
Materials(including material cert)   Aluminum:2571/5052/6061-T6/6063/6082/7075…
Stainless Steel: 17-4PH/304/303/316/420/410/440C…
Steel 1214L/1215/1045/4140/SCM440/40CrMo/…
Titanium: TC4/Gr2/Gr5…
Brass 3602 / 2604 / H59 / H62 /932 Bearing Bronze …Bronze/Aluminum Bronze
Plastic:PEEK/Nylon 66 /ABS/Delrin 150/ POLYCARBONATE/ASTM D6100 Acetal/POM/Rulon/PC…
 
Finish   polishing/Deburring/ brush/ sand blasting, Normal anodize/harden anodize, black oxide, plating(Chrome/Nickel/zinc/gold/silver…)…
Tolerance   +/-0.005mm,ISO2768 standard class F ,
Accuracy Of Machining:0.01mm
Accuracy Of Grinding:+ or -0.005mm
Surface Roughness:Ra0.2(polishing) ,Ra0.4(lathe-turning),Ra0.8(CNC)
Parallelism/Verticality/Concentricity:0.02mm(deponds on actual structure /material..)
 
Lead Time   3-7 days for rapid samples,3-4 weeks for mass production
Drawing Accepted   Solid Works,Pro/Engineer, AutoCAD(DXF,DWG), PDF,TIF , IGS , STP…
Inspection   FAI/100% Inspection/As per customer requirement
MOQ   1 PCs/small/large batches.Depending on detailed orders .
Packing methods   1. Standard package
2. Pallet or container
3. As per customized specifications
 
Payment   30% T/T deposit with PO, balance 70% T/T before shipment for first cooperation
Our Advantages  

1. Reliable Quality

2. Competitive Price

3. High precision, high quality, tight tolerance with 15+ years experience

4. Continuous Improvement

5. On-Time Delivery

6. Customer Satisfaction Questionnaire

7. After-Sales Service
 

Certificate   ISO9001:2015
Transportation   Air(DedEx/UPS/DHL ..)/Sea  ,or customer demands

Designation Working Range Machining Accuracy
Turning Max: Ø 460X1000mm
Min: Ø 0.5X10mm
OD Tolerance: ± 0.01(OD: Ø ≤50mm,Length: L≤100mm)
Hole Tolerance: ± 0.02(Aperture: Ø ≤50mm,Length: L≤50mm)
Roundness & Concentricity: 0.01~0.02( 3≤ Ø ≤50mm,L≤75mm)
Surface Roughness: Ra1.6~Ra3.2
CNC Machining (Maximum Machining Range):1200×2400×700mm
(Maximum Machining Weight):
1500kg
Hole Tolerance: ≤± 0.008 (Aperture: Ø 3~Ø 50mm)
Hole Roundness/Cylindricity: 0.008~0.02 (Aperture: Ø 3~Ø 50mm)
Hole Pitch/Edge Distance: ≤± 0.01 (Center Distance≤75mm)
Perpendicularity of Hole Axis: 0.008~0.02 (Hole Depth≤15mm)
Perpendicularity of Hole Axis: 0.008~0.02 (Hole Depth≤15mm)
Surface Roughness: Ra0.8~Ra1.6
Circular Grinding
 
OD: Max Ø 200X750mm
ID: Min Ø 5X10mm
OD Tolerance: ≤ ± 0.01 (OD: Ø ≤50,L≤100)
ID Tolerance: ≤ ± 0.01 (Aperture: Ø ≤10,L≤25)
Roundness & Concentricity: 0.02 (3≤ Ø ≤50,L≤75)
Surface Roughness: Ra0.8~Ra1.6

 
 

 

 

 

Our Advantages

Quality Control

1) Checking the raw material after they reach our factory——- Incoming quality control ( IQC)
2) Checking the details before the production line operated
3) Have full inspection and routing inspection during mass production—In process quality control(IPQC)
4) Checking the goods after they are finished—- Final quality control(FQC)
5) Checking the goods after they are finished—–Outgoing quality control(OQC)

Why Choose Us

1) Design assistance and full engineering support .
2) Professional at OEM CNC parts .
3) Complete production lines for custom turning, milling, CNC machining sheet metal fabrication, stamping, bending, argon welding
and surface treatment.
4) Advanced machine tools, CAD/CAM programming software.
5) Prototype machining capabilities.
6) Strict quality control standards with a highly qualified inspection department .
7) Continually upgrading and advancing our equipment to remain competitive .
8) Small quality is also available.

FAQ

Q: What do I need for offering a quote ?
A: Please offer us 2D or 3D drawings (with material, dimension, tolerance, surface treatment and other technical requirement etc.),quantity, application or samples.
Q: What is your MOQ?
A: MOQ depends on our client’s needs, besides,we welcome trial order before mass-production.
Q: What is the production cycle?
A: It varies a lot depending on product dimension,technical requirements and quantity. We always try to meet customers’
requirement by adjusting our workshop schedule.
Q: What kind of payment terms do you accept?
A.: T/T, L/C, Escrow, paypal, western union, moneygram etc.
Q: Is it possible to know how is myproduct going on without visiting your company?
A: We will offer a detailed products schedule and send weekly reports with digital pictures and videos which show the machining progress.

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.
pulley

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.
pulley

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.
pulley

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.

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