The Trapezoidal Tooth Timing Belt structure combines a chloroprene rubber body, fiberglass tensile cords, and a nylon tooth facing. This construction provides a balance of dimensional stability, wear resistance, flexibility, and transmission accuracy for a wide range of mechanical systems.
Compared with gear or chain transmission, this Trapezoidal Tooth Timing Belt provides a compact and relatively quiet drive without requiring lubrication. Its mature tooth profile and manufacturing process also make it a practical choice for equipment manufacturers, maintenance suppliers, and distributors seeking a reliable synchronous belt for general-purpose applications.
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Imperial Type Timing Belts |
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Type |
Picth mm |
Tooth Height mm |
Belt thickness mm |
Production Length |
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MXL |
2.032 |
0.51 |
1.14 |
26-492 teeth |
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XL |
5.080 |
1.27 |
2.30 |
22-1064 XL |
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L |
9.525 |
1.91 |
3.60 |
67-2700 L |
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H |
12.700 |
2.29 |
4.30 |
145-2720 H |
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XH |
22.225 |
6.35 |
11.20 |
420-2275 XH |
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XXH |
31.750 |
9.53 |
15.70 |
625-2000 XXH |
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Further sizes upon request. |
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The molded trapezoidal teeth are designed to match the pulley grooves accurately. Positive tooth engagement helps maintain a constant transmission ratio and reduces the possibility of slipping or tooth jumping under correctly selected operating conditions.
The fiberglass tensile member provides high tensile strength and low elongation. With elongation controlled to approximately ≤0.3%, it helps maintain stable belt dimensions and positioning accuracy during continuous operation.
A wear-resistant nylon fabric covers the tooth surface to reduce friction and protect the teeth during repeated meshing. It also contributes to smoother engagement and helps limit tooth wear during high-cycle operation.
The chloroprene rubber base provides flexibility while supporting resistance to oil, aging, and general mechanical wear. The elastic body can also absorb part of the vibration generated by the drive system.
The synchronous tooth structure maintains a fixed relationship between the driving and driven pulleys. This makes the belt suitable for machinery where movement accuracy, repeatability, and consistent speed ratios are important.
The direct engagement between teeth and pulley grooves minimizes transmission losses caused by belt slipping. When correctly selected for the required load, the belt can provide efficient power transmission while maintaining a compact drive arrangement.
The flexible rubber body and nylon tooth fabric help reduce impact during pulley engagement. Compared with rigid gear drives and metal chain systems, the resulting transmission is quieter and smoother.
The system operates without regular lubrication, eliminating the need for oiling associated with chain drives. Routine servicing mainly involves checking belt condition, tension, pulley alignment, and tooth wear.
The Trapezoidal Tooth Timing Belt is suitable for automated production lines, linear positioning systems, and motion-control equipment where synchronized movement between shafts is required. Its stable tooth engagement supports repeatable mechanical movement.
Low operating noise and clean, lubrication-free operation make this transmission method suitable for selected medical and laboratory equipment where excessive vibration or lubricant contamination should be avoided.
Printers, scanners, copiers, and other office automation systems can use synchronous belts for controlled movement of rollers, carriages, and internal mechanisms.
Textile and fiber-processing equipment often requires coordinated shaft movement over extended operating periods. The belt provides stable synchronization while maintaining relatively low maintenance requirements.
In filling, labeling, sealing, and conveying systems, accurate timing between components is essential. Kaihong Trapezoidal Tooth Timing Belt can provide synchronized movement for various medium- and low-torque transmission applications.
The correct belt pitch should be selected according to pulley size, transmission speed, required torque, and available installation space. Using an incorrect pitch may cause incomplete tooth engagement and accelerated wear.
Customers should confirm the required belt length and tooth count according to the original equipment or pulley center distance. For replacement applications, providing the original belt model or dimensional information helps improve matching accuracy.
Before selecting the belt, evaluate transmitted power, rotational speed, operating hours, pulley diameter, and environmental conditions. For demanding applications, Kaihong can assist with belt selection based on actual operating parameters.
The trapezoidal tooth structure is well suited to general mechanical drives that require reliable synchronization without extremely high positioning demands. It offers a balance between transmission performance and overall system cost.
Its relatively compact structure allows synchronous transmission to be integrated into machinery where installation space is limited. The belt can also work with smaller pulley arrangements when the selected profile permits.
For equipment operating for long periods, the combination of fiberglass reinforcement, nylon tooth fabric, and durable rubber helps maintain stable mechanical characteristics. Correct tension and alignment remain essential for achieving expected service life.
Kaihong maintains standard belt specifications for common transmission requirements and can support production according to different pitch, length, and width configurations. Standardized production helps improve consistency for repeat purchasing.
Non-standard sizes can be manufactured according to customer drawings, samples, or equipment parameters. OEM branding and customized packaging are also available for distributors and machinery manufacturers.
Kaihong provides assistance with product selection, dimensional matching, installation, and replacement. Customers can submit the original belt specifications or transmission parameters for technical evaluation before placing an order.
Before installing a new belt, inspect the pulley grooves for excessive wear, deformation, contamination, or damage. A worn pulley can prevent proper tooth engagement and shorten the service life of the new belt.
Follow the equipment manufacturer's recommended tension whenever available. Excessive tension increases the load on bearings and shafts, while insufficient tension may result in vibration, tooth jumping, and unstable transmission.
The driving and driven pulleys should remain properly aligned. Angular or parallel misalignment can cause uneven tooth loading and edge wear, particularly during continuous high-speed operation.
Keep the belt and pulley surfaces free from oil, grease, and abrasive particles. The belt should be installed without forcing it over the pulley with sharp tools, which may damage the tensile cords or tooth structure.
The main advantage is accurate synchronous transmission through positive tooth engagement. It maintains a consistent speed relationship between the driving and driven pulleys without requiring lubrication.
The standard construction consists of chloroprene rubber, fiberglass tensile cords, and nylon tooth-facing fabric. Different material combinations can be discussed for specific operating environments.
Yes, within the rated limits of the selected belt profile. Proper pulley diameter, belt width, tension, and operating speed should be evaluated before use in high-speed applications.
Yes. Kaihong supports customized lengths, widths, tooth counts, and other specifications based on technical drawings, original samples, or equipment requirements.
Proper belt selection, pulley alignment, correct tension, clean operating conditions, and regular inspection are the main factors affecting service life. Replacing a worn pulley together with the belt can also help prevent premature tooth wear.
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No. 48 Guangming Middle Road, Sanmen County, Taizhou City, Zhejiang Province, China
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