Product Description

Volvo Excavator Ec360/Ec460/Ec480 Undercarriage Spare Parts Pulley Idler
Material: 40Mn
Technology: Forging or Casting
Finish: Smooth
Hardness: HRC50-60
Deepth: 4mm-10mm
Heat treatment: Quenching
Dimensions: International Standard
Port: HangZhou
Supply Ability: 100000 Piece/Pieces per Month can improve
Packaging Detail: Wooden case/pallet
Delivery Detail: 10-20 days after the payment
Certificate: ISO9002
Warranty time: 6 months
Service: OEM and after-sale service
Our manufacturer can supply the Model below:
Komatsu:
PC40-7 PC60-5-6-7 PC75 PC100-3-5 PC120-5 PC130 PC200-2-3-4-5-6-7-8 PC220-1-3-5 PC230 PC240 PC300-1-5-6-7 PC400-1-3-5

Hitachi:
EX40 EX55 ZX55 EX55-5B EX60-2-3 EX70(ZX70) EX100M EX100-1-2-3-5 EX120 EX150 EX160 EX200-1-2-3-5 ZX200 ZX210 EX220 ZX230 EX300-1-2-3-5 EX330 EX400 UH08 UH07 UH10 UH14

Sumitomo:
SH60 SH65 SH100 SH120-A3 SH120 SH200 SH220-1-5 SH260 SH280 SH300-1-2-3 SH340 SH580-5 S25 S35 S120 S160 S250 S260 S265F2 S280 S280F2 S280FA

Kobelco:
SK30 SK40 SK60 SK100 SK120 SK200-1-6 SK220-1-3 SK230-3-6 SK300 SK320 SK07-1-2-7 SK07N2 SK09

Caterpillar:
E70 E110 E120B E180 E200B E240 E300B E307 CAT311 CAT312 E320 E325 E330 E450 MS180

Daewoo:
DH55 DH60 DH70 DH80 DH150 DH150W DH175 DH200 DH210 DH215-7-9 DH220-3-5-7 DH225 DH255 DH258 DH280 DH300 DH320 DH330 DH340 DH370 DH400

Kato:
HD250 HD250SE HD400 HD450 HD500 HD510 HD550 HD550SE HD650 HD700 HD770 HD800 HD1250 HD1430

Hyundai:
R55 R60-5-7-9 R80 R110 R130-1-2-7 R150 R190 R200-1-2 R210 R215 R220 R225-7 R265 R290 R305 R455

Volvo:
EC55B EC60C EC140B EC200B EC210B EC240B EC290B EC360B EC460B EC550

Bulldozer:
D20 D31 D50 D60 D65 D30 D40 D60-3 D6B D5 D80 D85 D3C D4C D4D D75 D80A-7 D4E D4H-1 D31-15 D31-18 D50-15 D50-16 D6D D5H D8N D9N D155 D31 D355 D10

HangZhou Fortune Machinery Co., Ltd. is 1 of main manufacturers and exporters of undercarriage parts for excavators and bulldozers for more than 10 years in China. Its factory is located at HangZhou City of ZheJiang Province, very near HangZhou Port with a very convenient transportation.

HangZhou Fortune Machinery mainly supply undercarriage replacement parts such as track rollers, top rollers, sprockets, segments, idler assy, track link assy, track shoe, bucket, bucket teeth, bucket link, I link, cutting side, end bits, bushings pins, bolts and nuts for excavators and bulldozers. Its products are applicable for most famous makes such as Komatsu, Hitachi, Caterpillar, Kobelco, Kato, Daewoo, Hyundai, CZPT and so on. Most products are exported to European, Southeast Asia, Middle East, South America etc.

With the principal “Good quality and Best services at reasonable prices”, we strive to continually improve our production technique to provide better products at better prices. We cordially welcome the customers from all over the world to consult and visit, on the basis of mutual benefit and creat refulgence together.
 

BRAND                
KOMATSU PC30 PC40 PC45 PC60 PC75 PC100 PC120 PC200
EXCAVATOR PC220 PC300 PC350 PC400        
CATERPILLAR E70B E110 E120 E200B E307 E311 E312 E320
EXCAVATOR E322 E325 E300B E330        
KOMATSU D20 D21 D30 D31 D37 D40 D50 D60
BULLDOZER D63 D65 D80 D85 D135 D155 D355 D375
CATERPILLAR D3C D3D D4 D4C D4D D4E D5 D5H
BULLDOZER D6 D6C D6D D6H D7E D7G D8N D9N
HITACHI EX30 EX40 EX60 EX100 EX120 EX200 EX220 EX300
  EX400 ZAX200 ZX330 ZX350 UH07 UH081 UH083  
DAEWOO DH55 DH200 DH220 DH280 DH300 DH320    
HYUNDAI R55 R110 R130 R150 R200 R210 R250 R290
KEBELCO SK60 SK100 SK120 SK200 SK220 SK300 K904 K907
MITSUBISHI MS110 MS120 MS140 MS180        
KATO HD140 HD250 HD400 HD550 HD700 HD850 HD900 HD1220
SAMSUNG H.I. MX8 SE200 SE210 SE280 MX292 SE350    
SUMITOMO SH70 SH100 SH120 SH160 SH200 SH280 SH300 SH340

Contact us:

HangZhou Fortune Machinery Co., Ltd.
Contact person:James
fortunepart
  
 
 

 

Types of pulleys and their advantages and disadvantages

There are several types of pulleys. Learn the basic equations of the pulley system. Then learn about the different uses for pulleys. The disadvantages of using pulleys will be covered. Knowing these, you can buy the pulley that suits your needs. Here are some of the best pulley types and their pros and cons.
pulley

Basic equations of pulley systems

A pulley system is a mechanism that allows 2 blocks of a certain mass to be connected by a taut rope. The acceleration of each block is the same in magnitude and direction. The external force acting on each block is the weight of the block (10g) and the tension in the string. The tension between the 2 blocks is the total tension and the force acting on the pulley is the weight of the 2 blocks.
This simple mechanism uses 2 simple equations to explain how the system works. First, the mass of the weight on both sides of the pulley must be the same. When the weight is forced to move, the rope tightens and the second pulley descends. The weight is also attached to the second pulley and must be the same distance as the first pulley. This will result in a speed ratio of 2 times the distance covered by the first pulley.
Second, we have to calculate the force required to lift the object. The lower mass is supported by a wire configuration passing through all pulleys, while the uppermost pulley is used to apply the force. The lower block is used to support the weight. The applied force needs to travel a distance nx to move the weight. This distance, called MA, can be written as:
Once we have gathered the necessary information, we can apply the calculations to the pulley system. We can also use the Mechanical Advantage Calculator to calculate the force on the anchor. To do this, we must apply a force to the load as well as to the pulley itself. Using this equation, we can calculate the force required by the load to lift the load.
pulley

Types of pulleys

There are 3 basic types of pulleys: movable, fixed and compound. Both types of pulleys translate the force applied to them. The ideal mechanical advantage of pulleys is two. This is because a single movable pulley only doubles the force, whereas a compound pulley doubles or triples the force. This type of pulley is often used with other types of pulleys.
Movable pulls move with the weight of the load, and the force pulling them increases on the lift side. They are often found in utility elevators and construction cranes. These systems are very simple, inexpensive and quiet to use. The force required to lift the object depends on the mechanical advantage of the system. The 2 most common types of pulleys are listed below. Let’s take a closer look at each one.
V-shaped pulleys are used in vehicles and electric motors. These pulleys require a “V” belt to function properly. Some have multiple “V” grooves to avoid slipping. They are used in heavy duty applications to reduce the risk of power slip. These pulleys also have more than 1 “V” groove. V-belt pulleys are commonly used in vehicles and electric motors.
Composite pulleys are made from more than 1 type of cable or rope wrapped around the wheel. They can be fixed or hinged and are usually made of stainless steel or bronze. Composite pulleys have multiple layers and can be a single unit or many different components. There are 3 main types of pulleys: fixed pulleys and composite pulleys. These are the most common types. Almost every type of pulley is used for some type of application.
Fixed pulleys have 1 advantage over movable pulleys: they change direction as the weight of the load increases. They are typically used in heavy construction equipment. Gun tackles, patio tackles, and stationary tackles are examples of equipment that use a pulley mechanism. These devices are very common and can be found on most modern construction sites. They provide great convenience for lifting large loads.

application

What are the applications of pulleys? Simply put, a pulley is a mechanical device that transforms a difficult task into an easier one. It consists of ropes and pulleys. It is usually used to lift objects. Usually, people wrap a rope around a pulley and pull up to lift the object. One disadvantage of using pulleys is that they require the same force as lifting the object directly.
One of the most popular applications of pulleys is lifting heavy objects. They help people pull up heavy objects and blocks. The system can also be used in seeders, lifts, grinders, etc. Other applications include raising flags, loading cargo, pulling curtains and rock or mountain climbing. Students can learn about the various uses of pulleys and the physics behind them.
Pulleys can be made of many different materials, depending on the application. Some are movable, which means they move with the object they are used to lift. This pulley system can be made of nylon, wire rope or fiber material. The best part about these systems is that they are easy to install and maintain. For a better grasp, use the guide or video tutorial to learn more about the pulley system and how it works.
Tapered pulleys are common in paper mills. They are high-quality pulleys that transmit power to connected parts. They can be dynamic or static and have different balances. Because pulley systems are highly customized, most industrial applications require systems designed specifically for specific applications. In this way, the system is safe, simple and inexpensive. The benefits of this design are endless.
The most common use of pulleys is for motor drives. They are used to minimize noise by applying force to the shaft to reduce the workload. They are also less expensive than gears and do not require lubrication. Furthermore, they can change the direction of the applied force. They are also less expensive than gears and are often used with other components. A screw is a cylindrical member with helical ribs used to connect something.
pulley

shortcoming

Although the pulley system makes it easier to move heavy objects, it still has some drawbacks. When using a pulley system, you must remember that the force required to lift the weight increases with the number of cycles. In addition, the distance between the puller and the heavy object increases, which may lead to accidents. Also, moving heavy objects can be tricky if the rope slips. Pulley systems are not very expensive and can be easily assembled. However, it does require a lot of space.
First, it is not efficient. Besides being inefficient, pulleys produce different forces at different speeds. Fixed pulleys use more force than the load, while movable pulleys move with the load. A movable pulley requires less force than a fixed pulley, but the combined system travels a long distance. Therefore, this method is not as efficient as the fixed method.
Pulleys are not only used in industrial processes. You can see them in various places in your daily life. For example, large construction cranes use pulleys to lift heavy loads. Even flagpoles, blinds, clotheslines, ziplines, motors and climbing equipment use pulleys. Still, despite their advantages, the disadvantages are not too serious.
Another disadvantage of the pulley is its wear and tear. While a pulley’s housing is theoretically infinite, its bearings and locking components typically wear out over time. To overcome this problem, a new bearing and locking assembly can be installed. No need to replace the housing and shaft, the entire assembly can be re-bonded and painted to replicate the original look. Alternatively, the pulley can be replaced with a new housing and shaft.
Using pulleys can also reduce the advantage of pulleys. On the other hand, interception and tackle is a system in which 2 pulleys are connected to each other using ropes. Unlike pulleys, pulley pulley systems can be adjusted in the direction of travel and can move heavy loads up to 4 times their force when used in hydraulic lifts.

China manufacturer CZPT Excavator Ec360/Ec460/Ec480 Undercarriage Spare Parts Pulley Idler     with Good qualityChina manufacturer CZPT Excavator Ec360/Ec460/Ec480 Undercarriage Spare Parts Pulley Idler     with Good quality