China supplier Synchronous Pulleys 28-5m-15 with Black Oxidized alternator pulley

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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synchronous pulley

What are some real-world examples of synchronous pulley applications in various industries?

Synchronous pulleys find applications in a wide range of industries where precise timing, accurate motion control, and reliable power transmission are essential. Here are some real-world examples of synchronous pulley applications in various industries:

  • Automotive Industry: Synchronous pulleys are used in automotive engines to drive various components, such as the camshaft, alternator, water pump, and power steering pump. The precise timing provided by synchronous pulleys ensures proper engine performance and efficiency.
  • Food Processing Industry: In food processing plants, synchronous pulleys are utilized in conveyor systems to transport and position food products accurately. They are also used in packaging machinery for consistent and synchronized movement of packaging materials.
  • Printing Industry: Synchronous pulleys play a crucial role in printing presses where precise paper feeding, registration, and ink transfer are required. They ensure accurate synchronization between different components of the printing machine, resulting in high-quality printed materials.
  • Textile Industry: Synchronous pulleys are used in textile machinery for controlling the movement of fabrics during various processes, such as weaving, knitting, and dyeing. They help maintain proper tension and synchronization between different sections of the textile machine.
  • Material Handling Industry: Synchronous pulleys are employed in conveyor systems used in warehouses, distribution centers, and airports for efficient movement of goods. They ensure synchronized and reliable power transmission, enabling smooth and precise handling of materials.
  • Medical Equipment: Synchronous pulleys are utilized in medical devices and equipment such as diagnostic machines, surgical robots, and imaging systems. They enable precise motion control and synchronization, essential for accurate medical procedures and diagnosis.
  • Aerospace Industry: Synchronous pulleys find applications in aerospace systems, including aircraft engines and control systems. They are used for driving auxiliary components, controlling flight surfaces, and ensuring precise synchronization in critical aircraft operations.
  • Industrial Automation: In various automated manufacturing processes, synchronous pulleys are utilized to drive and control robotic arms, assembly lines, and other automated machinery. They enable precise motion control and synchronization, improving productivity and accuracy.

These are just a few examples of how synchronous pulleys are used in different industries. The versatility and reliability of synchronous pulleys make them an important component in numerous applications where accurate motion control and synchronization are required.

synchronous pulley

What role do synchronous pulleys play in maintaining constant speed and synchronization?

Synchronous pulleys play a crucial role in maintaining constant speed and synchronization in various mechanical systems. By working in conjunction with synchronous belts, these pulleys ensure that rotational motion is accurately transferred from the driving component to the driven component while maintaining precise timing. Here’s an in-depth look at the role synchronous pulleys play in maintaining constant speed and synchronization:

1. Timing and Synchronization:

Synchronous pulleys are specifically designed with teeth or grooves that interlock with the teeth on the synchronous belt. This toothed engagement creates a positive drive system, ensuring precise timing and synchronization between the pulleys and the belt. The teeth on the pulleys fit into the corresponding gaps on the belt, establishing a reliable connection that prevents slippage and maintains accurate motion control. This synchronized operation is essential for applications where multiple components need to move in perfect coordination, such as in robotics, printing presses, or automated assembly lines.

2. Constant Speed Ratio:

Synchronous pulleys and belts work together to maintain a constant speed ratio between the driving and driven components. The teeth on the pulleys and the corresponding teeth on the belt ensure a fixed number of teeth engaged at any given time. This fixed engagement ratio determines the speed ratio between the pulleys, resulting in a consistent rotational speed for the driven component relative to the driving component. This constant speed ratio is essential in applications where precise speed control is required, such as in conveyors, machine tools, or packaging equipment.

3. Elimination of Slippage:

One of the key advantages of using synchronous pulleys is the elimination of slippage. The toothed engagement between the pulleys and the belt provides a positive drive system, preventing any relative motion or slipping between the components. This eliminates the potential for speed variations or loss of synchronization that can occur with other drive systems, such as friction-based belts or pulleys. The absence of slippage ensures that the driven component maintains a constant speed and remains synchronized with the driving component, contributing to reliable and accurate operation.

4. Backlash Reduction:

Synchronous pulleys help reduce backlash, which is the play or clearance between mating components. Backlash can introduce inaccuracies and delays in motion control systems, leading to diminished speed control and synchronization. The toothed design of synchronous pulleys minimizes backlash by providing a positive engagement between the pulleys and the belt. This positive engagement ensures that there is minimal or no play between the teeth, resulting in precise and immediate transfer of motion without any lag or delay. By reducing backlash, synchronous pulleys contribute to maintaining constant speed and synchronization in the system.

5. High Torque Transmission:

Synchronous pulleys are capable of transmitting high torque loads between the driving and driven components. The toothed engagement, along with the increased surface area of contact between the pulleys and the belt, enables efficient power transmission even under heavy loads. This high torque transmission capability ensures that the system can maintain constant speed and synchronization even when subjected to significant forces or torque fluctuations. It is particularly important in applications that require reliable and precise motion control, such as in industrial machinery or automotive systems.

6. Maintenance of Speed and Timing Accuracy:

By providing a positive drive system with precise timing and synchronization, synchronous pulleys help maintain speed and timing accuracy over extended periods of operation. The toothed engagement between the pulleys and the belt ensures that the system remains in sync and operates at the desired speed without significant deviations. This accuracy is maintained even under varying loads, environmental conditions, or changes in operating parameters. The consistent speed and timing accuracy provided by synchronous pulleys contribute to the overall efficiency, reliability, and performance of the mechanical system.

In summary, synchronous pulleys play a vital role in maintaining constant speed and synchronization in mechanical systems. They ensure precise timing and synchronization between the driving and driven components, eliminate slippage, reduce backlash, enable high torque transmission, and help maintain speed and timing accuracy. By providing a reliable and efficient power transmission solution, synchronous pulleys contribute to the smooth and accurate operation of various applications, ranging from robotics and automation to industrial machinery and automotive systems.

synchronous pulley

What is a synchronous pulley, and how is it used in mechanical systems?

A synchronous pulley, also known as a timing pulley, is a specialized type of pulley used in mechanical systems to transmit rotational motion and maintain precise synchronization between two or more rotating components. It is commonly employed in applications where accurate timing and motion control are essential. Here’s a detailed explanation of what a synchronous pulley is and how it is used in mechanical systems:

1. Definition and Design:

A synchronous pulley has teeth or grooves on its circumference that mate with corresponding teeth on a synchronous belt or timing belt. The teeth are precisely spaced and have a specific profile, such as trapezoidal or curvilinear, depending on the belt design. The pulley and belt combination form a positive engagement system, preventing slippage between the pulley and the belt and ensuring accurate motion transfer.

2. Synchronization and Motion Control:

The primary purpose of a synchronous pulley is to achieve precise synchronization and motion control in mechanical systems. By using a synchronous belt and pulley system, rotational motion can be accurately transmitted from the driving pulley to the driven pulley(s). The teeth on the pulley and belt mesh together, maintaining a fixed relationship between the rotational positions of the pulleys. This ensures that the driven components, such as shafts, gears, or other rotating elements, move in perfect synchronization with the driving component.

3. Timing Applications:

Synchronous pulleys are commonly used in applications that require precise timing, such as in engines, conveyor systems, printing presses, robotics, and automated machinery. In engine timing systems, for example, synchronous pulleys and belts are used to synchronize the rotation of the crankshaft, camshaft, and other engine components, ensuring proper valve timing and combustion sequence. In conveyor systems, synchronous pulleys maintain accurate speed and position control, facilitating efficient material handling.

4. Speed and Torque Transmission:

Synchronous pulleys are capable of transmitting high speeds and torque loads. The positive engagement between the pulley and the belt prevents slipping, allowing for efficient power transmission. The precise tooth profile and spacing of the synchronous pulley and belt combination enable the transfer of high rotational forces without the risk of belt stretch or deformation. This makes synchronous pulleys suitable for applications that require high-speed operation and the transmission of substantial power.

5. Design Variations:

Synchronous pulleys come in various designs to accommodate different application requirements. They can have different numbers of teeth, varying pitch diameters, and multiple grooves or channels to accommodate multiple belts. The pulleys can be made from a range of materials, such as steel, aluminum, or plastic, depending on factors like load capacity, operating conditions, and cost considerations. The selection of the appropriate synchronous pulley design depends on the specific needs of the mechanical system.

6. Maintenance and Service:

Maintaining proper belt tension and periodic inspection are essential for the reliable operation of synchronous pulley systems. Over time, the belt may experience wear or elongation, which can affect the accuracy of synchronization. Regular inspection and replacement of worn belts and pulleys are necessary to ensure optimal performance. Lubrication of the pulley teeth and periodic cleaning of debris or contaminants are also recommended to extend the lifespan of the synchronous pulley system.

In summary, a synchronous pulley is a specialized pulley used in mechanical systems to achieve precise synchronization and motion control. It utilizes a toothed belt that engages with the teeth on the pulley to transmit rotational motion accurately. Synchronous pulleys are commonly employed in timing applications that require accurate speed and position control. They are designed to transmit high speeds and torque loads and come in various configurations to suit different applications. Proper maintenance and periodic inspection are necessary to ensure the reliable operation of synchronous pulley systems.

China supplier Synchronous Pulleys 28-5m-15 with Black Oxidized   alternator pulley	China supplier Synchronous Pulleys 28-5m-15 with Black Oxidized   alternator pulley
editor by CX


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