China Standard CZPT Belt Tensioner Pulley 3957434 3976834 for CZPT Engine QSB crankshaft pulley

Product Description

CHINAMFG Belt Tensioner Pulley 3957434 3976834 for CHINAMFG Engine QSB, with list of belt tensioners for CHINAMFG engines, as below:

Engine Description Part # Part # Part # Part # Part #
4BT belt tensioner 3922900 3914854 3936210 3936198 3936207
4BT belt tensioner 3936204 3937555 3936197 3936206 3936201
6BT belt tensioner 3937553 3934818 3914086 3978571 3936202
6BT belt tensioner 3936203 3924026 3978571 4994573 3976832
6BT belt tensioner 3928748 3934824 3936208 3973825 3934814
6BT belt tensioner 5333478 3917440 3934819 3936205 5333481
6BT belt tensioner 3918944 3934817 3973822 3921524 3934816
6BT belt tensioner 3976833 3957433 393 0571 3973824 5333486
6BT belt tensioner 3922549 3925625 3934820    
6CT belt tensioner 3937556 4898548 4987964 3936212 3934830
6CT belt tensioner 3969564 3959042 3991495 3936213 3976831
6CT belt tensioner 3933725 3934831 3973823 3917485 5333477
6CT belt tensioner 3934822 3973827 5333480 3967190 3281583
6CT belt tensioner 3934821 3945527 5259571    
6ISBE belt tensioner 3947574 4891116 4936640 4987964 3979316
QSB belt tensioner 3976834 3957434      
ISF2.8 belt tensioner 5262500        
ISF3.8 belt tensioner 5267127 5287571 4980639 5287571  
K19 belt tensioner 3009639        
M11 belt tensioner 3457141 3400885 3157189 3062602  

Our complete engines including : ( we have parts for many other brands )

SN Models
1 4BT3.9, 6BT5.9, 4ISBE4.5, 6ISBE6.7, QSB4.5, QSB6.7, ISB
2 6CT8.3, L8.9, L9.3, L9.5, ISLe8.9, QSL
4 ISF2.8, ISF3.8, QSF2.8, QSF3.8
5 ISZ13, QSZ13, ISG
6 NT855
7 KT19, KT38, KT50, QSK19, QSK38, etc
8 Deutz BFM1013, BFM1015, FL912, FL913, FL914, FL413, FL513
9 MWM TBD234, TD226B
10 Perkins 1003, 1004, 1006, 403, 404, 1103, 1104, 1106
11 Isuzu 4JB1, 4HK1, 6HK1, 4BD1, 6BD1, 4KH1, 6UZ1
12 All CHINAMFG engines
13 All Advance gearbox, marine and industrial
14 Generator sets, marine and land-use

for different applications, such as:

SN Applications
1 diesel generator set
2 water pump set, fire pump set
3 construction and engineering machinery (crane, excavator, bulldozer, loader, etc)
4 Automobile (bus, coach, shuttle, etc)
5 marine main propulsion, marine auxiliary generator set

And besides complete engines, we also export a lot of engine parts parts, including:

SN Part Descriptions
1 cylinder head, cylinder block, cylinder liner
2 piston, piston ring, conrod
3 main bearing, conrod bearing, thrust bearing
4 fuel injector, fuel injection pump, common rail
5 oil pan gasket, cylinder head gasket
6 overhaul gasket kit, upper gasket kit, lower gasket kit
7 oil pan
8 fuel transfer pump, water pump, oil pump, vacuum pump, power steering pump
9 oil filter, fuel filter, fuel water separator, air filter, Etc

We also deal with many other brands of engines and gearboxes, etc, including:

SN Brands
1 Deutz, MWM
3 Detroit
4 Weichai
5 Isuzu
6 Komatsu
7 Perkins
8 Yuchai
10 Advance
11 Fada
12 Jinbei, Brilliance
13 Iveco, Yuejin

Question: What is the price ?
Answer: Our prices are determined by various factors, including: Brand, Model, Power, Quantity, Price Term (FOB, CIF, CPT, FCA, etc), Certificates, etc.
Question: What is the MOQ ?
Answer: for complete engine, 1 set; for engine parts, 1 engine set;
Question: Are samples available ?
Answer: Sample order is acceptable, but with higher unit price.
       For regular partners, if necessary, free samples are available.
Question: How long is the production cycle (lead time) ?
Answer: for engine parts, we usually have enough stock; for engines, usually around 10-20 days; for stock engine, usually 1 week.
Question: How long is the shipment?
Answer: if by Express, usually 3-4 working days; if by air, usually 3-5 working days; if by sea, 3-7 days to Southeast Asia, 15-20 days to Middle East, South Asia and Australia, 20-25 days to Europe, USA and Africa, 30-35 days to Latin America and other regions.
Question: What are your payment methods ?
Answer: we accept T/T (bank wire transfer), L/C, Western Union, Money Gram, Sigue, Secured Trade through Made-in-China, etc.
Question: Do you supply any other brand ?
Answer: we entered stock engine industry since 2016, mainly focusing in engines in stock, never used, still under good condition, made in US/UK/Germany/Japan/Korea/China, etc. Sometimes we have stocks of other brands than our normal list of brands. Thus, any inquiry is warmly welcomed and we will always do best to support customers. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Certification: CCC, ISO9001, TS16949
Standard Component: Standard Component
Technics: Casting
Engine: QSB, 6ISBE
Part Numbers: 3957434, 3976834
Weight: 1.3kg
US$ 75.5/Piece
1 Piece(Min.Order)

Request Sample

belt pulley

How are belt pulleys utilized in the production of electronics and semiconductors?

In the production of electronics and semiconductors, belt pulleys play a crucial role in various manufacturing processes. They are utilized in different stages of production to facilitate precision, efficiency, and reliability. Here’s a detailed explanation of how belt pulleys are utilized in the production of electronics and semiconductors:

1. Conveyor Systems: Belt pulleys are commonly used in conveyor systems within electronics and semiconductor manufacturing facilities. These conveyor systems transport components, products, or wafers between different stages of production, such as assembly, testing, and packaging. Belt pulleys are utilized to drive the conveyor belts, ensuring smooth and controlled movement of the materials or products. They contribute to the efficient flow of production, allowing for continuous and automated handling of electronic components and semiconductor wafers.

2. Wafer Handling: Belt pulley systems are employed in the handling and processing of semiconductor wafers. These wafers, which serve as the base material for electronic devices, need to be transferred between various equipment and processing stations. Belt pulleys, along with precision belts, are used to grip and transport the delicate and flat wafers. The pulleys ensure accurate positioning and controlled movement of the wafers, essential for precise alignment during processes such as etching, deposition, and lithography.

3. Robotics and Automation: Belt pulleys are integral components in robotics and automation systems utilized in electronics and semiconductor production. These systems often involve robotic arms or gantries that handle and manipulate components or equipment. Belt pulleys are employed in the motorization and control mechanisms of these robotic systems, enabling precise and repeatable movements. They contribute to the accuracy, speed, and reliability required in tasks such as pick-and-place operations, soldering, and inspection processes.

4. Precision Machining: Belt pulleys are used in precision machining operations within electronics and semiconductor production. They are incorporated into milling machines, lathes, and other machining equipment that fabricate electronic components and semiconductor parts. Belt pulleys drive the cutting tools or spindles, providing the necessary rotational motion for precise material removal and shaping. The speed control and torque conversion capabilities of belt pulleys ensure the optimal performance and accuracy required for manufacturing intricate electronic and semiconductor components.

5. Testing and Inspection Equipment: Belt pulleys are utilized in testing and inspection equipment within the electronics and semiconductor industry. These machines perform various tests, measurements, and inspections to ensure the quality and functionality of electronic components and semiconductor devices. Belt pulleys drive the mechanisms that move the components or devices through different testing or inspection stations. They contribute to the controlled and synchronized movement required for accurate measurements, functional tests, and quality checks.

6. Packaging and Labeling: Belt pulleys are employed in packaging and labeling systems for electronics and semiconductor products. These systems handle the final packaging of electronic components, devices, or integrated circuits. Belt pulleys drive the conveyor belts that transport the packaged products, ensuring their smooth and efficient movement through the packaging and labeling processes. They contribute to the automated and streamlined packaging operations, allowing for high-speed production and consistent product presentation.

7. Maintenance and Serviceability: Belt pulleys contribute to the maintenance and serviceability of equipment used in electronics and semiconductor production. They are designed for easy replacement, adjustment, or inspection, allowing for quick and straightforward maintenance tasks. Properly maintained belt pulleys ensure the reliability and uptime of production equipment, minimizing downtime and optimizing the overall manufacturing process.

In summary, belt pulleys are utilized in the production of electronics and semiconductors for conveyor systems, wafer handling, robotics and automation, precision machining, testing and inspection equipment, packaging and labeling systems, as well as maintenance and serviceability. They contribute to the efficient flow of production, precise positioning of components, accurate machining, reliable testing and inspection, streamlined packaging, and ease of equipment maintenance. Belt pulleys play a vital role in enhancing the precision, efficiency, and reliability of the manufacturing processes involved in electronics and semiconductor production.

belt pulley

How do belt pulleys handle variations in load capacity and speed?

Belt pulleys are designed to handle variations in load capacity and speed by providing flexibility and adjustability in power transmission systems. They offer several mechanisms to accommodate changes in load and speed requirements. Here’s a detailed explanation of how belt pulleys handle variations in load capacity and speed:

1. Load Capacity: Belt pulleys can handle variations in load capacity through the selection of appropriate belt materials, pulley sizes, and belt tension. When the load increases, the belt tension can be adjusted to ensure proper power transmission. By increasing the tension, the grip between the belt and pulley increases, allowing for the transfer of higher loads. Belt materials with higher tensile strength and load-bearing capacity can also be chosen to handle heavier loads.

2. Speed Variation: Belt pulleys offer the ability to handle variations in speed through different mechanisms:

a. Fixed Speed Ratios: In applications where a fixed speed ratio is required, belt pulleys of specific sizes are selected to achieve the desired speed ratio. By choosing pulleys with different diameters or numbers of grooves, the speed of the driven pulley can be adjusted relative to the driving pulley, resulting in the desired speed variation.

b. Variable Speed Pulleys: Variable speed pulleys, also known as adjustable or variable pitch pulleys, enable continuous speed control. These pulleys feature movable pulley halves or arms that change the distance between the grooves. By adjusting the position of the movable pulley, the effective diameter of the pulley changes, altering the speed ratio. This allows for stepless speed variation within a defined range, providing flexibility in adjusting the speed of the driven system.

c. Step Pulleys: Step pulleys have multiple grooves of different diameters on the same pulley. By changing the belt position between these grooves, the speed ratio can be adjusted. Step pulleys provide a range of predetermined speeds by selecting the appropriate groove, allowing for different speed settings suitable for various operations.

d. Motor and Pulley Size Selection: By selecting motors and pulleys of different sizes or using different combinations of belt pulleys, the speed of the driven system can be adjusted. This is commonly seen in applications where multiple speed options are required, such as in drill presses or lathes, where a range of speeds is needed for different cutting operations.

Overall, belt pulleys handle variations in load capacity and speed by offering flexibility in belt tension, selecting appropriate pulley sizes and materials, utilizing variable speed pulleys, employing step pulleys, and choosing motor and pulley combinations to achieve the desired speed ratios. These mechanisms allow for efficient power transmission in a wide range of applications with varying load and speed requirements.

belt pulley

What advantages do belt pulleys offer for efficient power transmission?

Belt pulleys offer several advantages that contribute to efficient power transmission in a variety of applications. These advantages make belt pulleys a popular choice for transmitting power in numerous industries. Here are some key advantages of using belt pulleys:

1. High Efficiency: Belt pulleys can achieve high power transmission efficiency. The materials used for pulleys, such as metals or composite materials, are selected for their strength and low friction characteristics. This allows for minimal energy loss during power transmission, resulting in efficient operation and reduced energy consumption.

2. Smooth and Quiet Operation: Belt pulleys provide smooth and quiet operation compared to some other power transmission methods. The flexibility of belts helps in dampening vibrations and reducing noise levels. This is particularly beneficial in applications where noise reduction is important, such as in residential areas, offices, and certain types of machinery.

3. Slip Prevention: Belt pulleys offer slip prevention features, ensuring reliable power transmission. The design of the pulley’s groove and the corresponding belt shape create a positive engagement that helps prevent the belt from slipping during operation. This is particularly advantageous in high-torque applications where maintaining a consistent power transfer is crucial.

4. Overload Protection: Belt pulleys can provide a certain degree of overload protection. In the event of sudden load spikes or jamming of the driven system, the belt can slip or deform slightly, absorbing the shock and protecting the machinery from damage. This inherent flexibility acts as a safety feature, preventing catastrophic failures and reducing the risk of equipment breakdown.

5. Misalignment Compensation: Belt pulleys can accommodate minor misalignments between the driving and driven shafts. The flexibility of the belt allows for slight angular and parallel misalignments, which can naturally occur in machinery due to manufacturing tolerances, thermal expansion, or other factors. This ability to compensate for misalignment helps to minimize stress on bearings and prolong the lifespan of the system.

6. Speed Variation: Belt pulleys provide the flexibility to achieve different speed ratios by simply changing pulley sizes or adjusting the position of variable speed pulleys. This feature allows for speed variation and control in various applications, facilitating the optimization of machine performance and enabling adaptability to different operating conditions.

7. Cost-Effective: Belt pulleys are generally cost-effective compared to some other methods of power transmission. They are relatively simple in design, easy to manufacture, and require less precision than certain alternatives. Additionally, belts are generally less expensive to replace than other types of power transmission components, resulting in lower maintenance costs.

Overall, belt pulleys offer advantages such as high efficiency, smooth and quiet operation, slip prevention, overload protection, misalignment compensation, speed variation, and cost-effectiveness. These advantages make belt pulleys a reliable and versatile choice for efficient power transmission in a wide range of applications across various industries.

China Standard CZPT Belt Tensioner Pulley 3957434 3976834 for CZPT Engine QSB   crankshaft pulley	China Standard CZPT Belt Tensioner Pulley 3957434 3976834 for CZPT Engine QSB   crankshaft pulley
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