Tag Archives: drive pulleys

China Good quality Synchronous Pulleys 28-5m-15 with Black Oxidized pulley drive

Product Description

CHINAMFG Machinery specializes in power transmission components.

1.     Keyless Locking Devices,
2.     Timing Belt Pulleys,
3.     Nylon Sleeve Couplings,
4.     Jaw Couplings,
5.     Shaft Collars; Fixing Collar,
6.     Spur Gears and other parts,
7.     Torque Limiters,
8.     Mechanical Parts made-to-order

·         Ubet Keyless Locking Devices are used in rotating machinery,  producing clamping pressure between surface of locking device and shaft to create adjustable and releasable mechanical connection,  so as to clamp gears,  pulleys and other components to a shaft without threads or keys. 
Materials of CHINAMFG Locking Device are available in:
Carbon Steel S45C, C45E, 1045, 40Cr, 42CrMo4V  
Stainless Steel AISI431, AISI304
·         Ubet Machinery Timing Belt Pulleys and Toothed Bars/ Timing Bars. 
Standard and non-standard pulleys according to drawings are available. 
Materials of CHINAMFG Timing Belt Pulleys are available in:
AlCuMgPb 6061 6082 Aluminum Timing Pulley
C45E 1045 S45C Carbon Steel Timing Pulley
GG25 HT250 Cast Iron Timing Pulley
SUS303 SUS304 AISI431 Stainless Steel Timing Pulley
Other material on demand, such as cooper,  bronze and plastic
·         Ubet Jaw couplings are designed as 3 piece combination, including 2 hubs and 1 elastomer made of polyurethane.  The curved jaw fits CHINAMFG the spider, which minimizes shock to the motor and other sensitive equipment.
Material: Alluminum for size below 42
                      Steel for size over 42
Finish: Natural or Anodizing
Size Range: 19 to 75
Finished bore: according to ISO fit H7
Keyway width: according to DIN 6885/1
The Tolerance of keyway is Js9

Process Equipment Precision Degree Machining range
Blank Making Resin bonded sand production line;Vertical parting flaskless molding line,146 opening production line;Electric furnace; CHINAMFG cupola; Guillotine shear,Punching machine; Forge rolling machine; Precision die forging machine; precision cast; precision forging; precision molding All sorts of casting and forging parts
Heat Treatment Vertical furnace; Speckled furnace;High frequency quenching furnace Material hardness transformation≤HRC1 Hardening and Tempering; Quenching; High frequency quenching; Carburizing and quenching
Machining Precise NC machine Dimesion tolerance 6 degree; Roughness Ra0.8; Roundness,straightness and concentricity accuracy≤0.01mm inner hole≥5mm, outside diameter ≤800mm
Grinding machining NC excircle grinding machine; Surface grinding machine Dimesion precision 5 degree; Roughness Ra0.4 Outside diameter 3mm to 320mm
Teeth-profile Making NC gear hobbing maching; gear slotting machine Roughness Ra1.6; Concentricity 0.05 Maximum module M=10, OD≤1800mm
Hobbing and drilling CNC machine;drilling machine;NC milling machine Hole dimesion tolerance 6 degree; positioning accuracy 0.05 Workbench leghth 1650mm; width 852mm; minimum diameter 1mm
Other Machining Hydraulic broaching machine; sawing machine; punching machine; lather labeling machine keyway tolerance 7 degree; symmetry degree 0.05 spline; straight keyway; spline keyway
Surface Treatment polishing machine; plating production line; spray-painting line;coating line;oxidizing line; phosphating line In accordance with European standard RoHS. Surface polishing; Cr6+free zinc plating,Nickle hard chromium; Decorative chrome plating;Nickle;Paiting; phosphating; Anodizing;blackening;Dacrotized

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Certification: ISO
Pulley Sizes: Timing
Manufacturing Process: Sawing
US$ 2/Piece
1 Piece(Min.Order)


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timing pulley

What is the role of timing belts in conjunction with timing pulleys?

Timing belts play a crucial role when used in conjunction with timing pulleys in various mechanical systems. Here’s an overview of the role of timing belts:

1. Power Transmission:

The primary role of a timing belt is to transmit power from the driving pulley to the driven pulley. It acts as a flexible, durable, and high-strength link between the two pulleys. As the driving pulley rotates, the teeth on the timing belt engage with the teeth on the timing pulley, enabling the transfer of rotational motion and power.

2. Synchronization:

Timing belts ensure precise synchronization between the driving and driven pulleys. The teeth on the timing belt match the tooth profile of the timing pulley, creating a positive drive system. This synchronization ensures that the rotation of the driven pulley matches the rotation of the driving pulley, maintaining precise timing and coordination between different components in the system.

3. Load Distribution:

Timing belts help distribute the load evenly across the system. The teeth on the timing belt engage with the tooth profile of the timing pulley, allowing for the efficient transfer of torque and power. This even load distribution reduces stress concentration on individual components, promoting longevity and reliability.

4. Shock Absorption:

Timing belts have inherent flexibility, which allows them to absorb shocks and vibrations within the system. This absorption capability helps protect the components from sudden jolts and impacts, ensuring smooth and reliable power transmission. The flexibility of the timing belt also contributes to noise reduction in the system.

5. Low Maintenance and Lubrication-Free Operation:

Timing belts offer the advantage of maintenance-free operation. Unlike some other power transmission systems, timing belts do not require lubrication, resulting in cleaner and more environmentally friendly operation. The absence of lubrication also reduces the risk of contamination in sensitive applications such as food processing or cleanroom environments.

6. Wide Range of Applications:

Timing belts find applications in various industries and systems, including automotive engines, industrial machinery, robotics, printing presses, and more. They are suitable for transmitting power over long distances, operate at high speeds, and can accommodate different torque requirements.

7. Material Selection:

Timing belts are manufactured using different materials such as rubber, polyurethane, or reinforced synthetic materials. The choice of material depends on the specific application requirements, including factors such as load capacity, temperature resistance, chemical resistance, and environmental conditions.

In summary, timing belts, when used in conjunction with timing pulleys, facilitate efficient power transmission, ensure synchronization, distribute loads evenly, absorb shocks, require low maintenance, and find wide-ranging applications. The combination of timing belts and timing pulleys provides reliable and precise power distribution in various mechanical systems.

timing pulley

What are the benefits of using toothed timing belts with pulleys?

Using toothed timing belts in conjunction with pulleys offers several benefits in mechanical systems. Here are some advantages:

1. Precise Power Transmission:

Toothed timing belts provide accurate power transmission between the driving and driven pulleys. The teeth on the belt mesh with the grooves or teeth on the pulley, creating a positive drive system. This positive engagement ensures that power is transferred efficiently and without slippage, maintaining precise motion and torque transmission.

2. Synchronization:

The teeth on the timing belt and the corresponding teeth on the pulley enable synchronization of multiple components in a system. By precisely matching the tooth profiles, timing belts ensure that the rotation of the driving pulley is transferred to the driven pulley with precise timing. This synchronization is crucial in applications where coordinated motion is necessary, such as in engines, conveyors, and robotic systems.

3. High Efficiency:

Toothed timing belts and pulleys have a high transmission efficiency. The positive engagement between the teeth on the belt and the pulley minimizes energy losses that can occur in other power transmission systems, such as friction-based drives. This high efficiency results in less power wastage and improved overall system performance.

4. Quiet and Smooth Operation:

Toothed timing belts operate with reduced noise levels compared to other power transmission systems. The meshing of the teeth creates a smooth and quiet operation, which is beneficial in applications where noise reduction is desired, such as in office equipment or precision machinery.

5. Low Maintenance:

Toothed timing belts require minimal maintenance compared to alternative power transmission systems. They do not need lubrication, which eliminates the need for regular greasing or oiling. Additionally, toothed timing belts are resistant to contamination and do not suffer from issues like stretching or retensioning, resulting in reduced maintenance tasks and costs.

6. Wide Range of Applications:

Toothed timing belts with pulleys find applications in various industries and systems. They are used in automotive engines, industrial machinery, printing presses, medical devices, and many other applications. Toothed timing belts can handle a wide range of loads and speeds, making them versatile for different power transmission requirements.

7. Design Flexibility:

Timing belts are available in various sizes, materials, and tooth profiles, offering design flexibility. This allows engineers and designers to select the most appropriate belt and pulley combination for their specific application requirements, considering factors such as load capacity, speed, environmental conditions, and space constraints.

In summary, using toothed timing belts with pulleys provides precise power transmission, synchronization, high efficiency, quiet operation, low maintenance, versatility, and design flexibility. These benefits make toothed timing belts a popular choice in numerous mechanical systems.

timing pulley

Can you explain the importance of precision in timing pulley systems?

Precision is of utmost importance in timing pulley systems due to the critical nature of their applications. Here’s an explanation of why precision is essential in timing pulley systems:

1. Accurate Timing and Synchronization:

Precision ensures accurate timing and synchronization between the driving and driven components in a mechanical system. Timing pulley systems are commonly used in applications where precise motion control is necessary, such as engines, robotics, CNC machines, and automated systems. Any deviation from the intended timing can lead to errors, malfunctions, or decreased performance in these systems.

2. Consistent Power Transmission:

In a timing pulley system, the teeth on the timing pulley engage with the teeth on the timing belt, creating a positive drive system. Precision in the design and manufacturing of the timing pulley and timing belt ensures consistent power transmission without slippage or backlash. This reliability is crucial in applications that require accurate speed ratios, torque transmission, and consistent performance.

3. Positioning and Indexing Accuracy:

Precision in timing pulley systems allows for precise positioning and indexing of components. The teeth on the timing pulley and belt ensure accurate movement and positioning, enabling repeatable and controlled motion. This is essential in applications such as automated assembly lines, 3D printers, and precision motion control systems, where precise positioning is critical for achieving desired outcomes.

4. Reduced Wear and Maintenance:

Precision in timing pulley systems leads to reduced wear and maintenance requirements. When the teeth of the timing pulley and belt mesh precisely, there is minimal abrasion and elongation of the belt, resulting in increased longevity. Additionally, precise timing and synchronization minimize stress on the system, reducing the need for frequent adjustments and replacements.

5. Noise and Vibration Reduction:

Precision in timing pulley systems helps minimize noise and vibration. When the teeth of the timing pulley and belt are precisely matched, there is a smooth transfer of power, reducing noise generation and vibration. This is particularly important in applications where noise and vibration can affect the performance or comfort of the system, such as in precision instruments or equipment used in quiet environments.

6. System Reliability and Performance:

Precision contributes to the overall reliability and performance of timing pulley systems. Accurate timing, synchronization, and power transmission ensure that the system operates as intended, minimizing the risk of failures, errors, or inefficiencies. Reliable performance is crucial in critical applications where downtime or errors can have significant consequences.

In summary, precision is vital in timing pulley systems to achieve accurate timing and synchronization, consistent power transmission, precise positioning and indexing, reduced wear and maintenance, noise and vibration reduction, and overall system reliability and performance. Attention to precision during the design, manufacturing, installation, and maintenance of timing pulley systems is essential to ensure optimal functionality and meet the specific requirements of the application.

China Good quality Synchronous Pulleys 28-5m-15 with Black Oxidized   pulley driveChina Good quality Synchronous Pulleys 28-5m-15 with Black Oxidized   pulley drive
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