STD S8M standard timing pulleys are the primary type for STD (Super Torque Drive) belts.

They are made of steel or gray cast iron with a pilot bore or unbored.

The pulleys are supplied as a semi-finished product, and the bore must be modified before mounting the pulleys on the shafts.

S8M Type Pulleys Fields of Use

The STD S8M standard timing pulleys are designed for all types of STD belts with a pitch of 8.0 mm.

They are typically used in high-speed machine tools, compressors, packaging, printing, textile machines, and many other machines.

They are also typically used in machines from Asia, especially in Japan.

Product Parameters

Product Timing Belt Pulley
Teeth type Normal Torque Drive Type:MXL,XL,L,H,XH,XXH
High Torque Drive Type:S2M,S3M,S5M,S8M,HTD2M,HTD3M,HTD5M,HTD8M,P2M,P3M,P5M,P8M
High Precision Position Drive Type:2GT,3GT,5GT,8YU
Light Load Drive Type:T5,T10,T20
Heavy Load Drive Type: AT5, AT10, AT20
Basic shape Type A,Type B,Type D,Type E,Type F,Type K
surface treatment Natural color anodizing, Black anodizing, Hard anodizing, Ni-plating, Blackening
Material 6061(aluminum),S45C(45# steel),SUS304(Stainless steel)
Bore Pilot bore, Taper bore, and Customized bore.
testing equipment projecting apparatus, salt spray test, durometer, coating thickness tester,2D projector
producing  equipment CNC machine, automatic lathe machine, stamping machine, CNC milling machine, rolling machine, lasering, tag grinding machine, etc.
Machining Process Gear Hobbing, Gear Milling, Gear Shaping, Gear Broaching, Gear Shaving, Gear Grinding, and Gear Lapping
Application industry Robot industry, Medical industry, Making machine industry, Automation industry,3C industry equipment, Packaging industry, UAV industry, New energy industry.
Advantages 1. High-temperature resistance, Self-lubrication, Wear resistance, Flame retardant properties
2. Good quality products
3. Competitive prices
4. Fast delivery
5. Best after-sale service
7. Good service: satisfactory service before and after the sale.
8. Direct manufacturers

Timing Belt Pulley Design

Depending on your application, you may need to alter the diameter and shaft spacing of the timing belt pulley. You must consider the motor’s input and output torque to get the right timing belt pulley design. The input torque of the engine must be larger than the output torque of the timing belt pulley. In addition, the output gear will revolve faster than the input gear. This difference is known as the speed ratio. To calculate the speed ratio of a timing belt pulley, divide the speed of the input gear by the output gear’s velocity.

Timing belt pulleys are available in a variety of materials. Common choices include cast iron, aluminum, and plastic. For high-speed applications, aluminum is often preferred due to its low weight and inertia. However, plastic pulleys may be an appropriate choice if you’re working with a tight budget.

The largest diameter of a timing belt pulley must be large enough to handle the torque of the design. The diameter and center-to-center distance of the drive design must match the diameter of the belt. Then, you can select a tooth profile. The larger the profile, the higher the torque.

The timing belt pulley design should also be able to resist wear and tear from materials like plastic, rubber, or steel. The highest tensile strength and elasticity are found in steel. Moreover, steel components are resistant to long-term exposure to chemicals. Other materials, such as polycarbonate or nylon, may be used as components in timing belt pulleys.

Despite the numerous benefits that timing belt pulleys offer, it’s important to note that there are some drawbacks to them. While synchronous pulleys may be easier to implement, they are challenging to maintain and can cause shaft components to fail when the belt slips off the track.

Timing belt pulleys are an integral part of a car engine, meaning they have specific purposes. Their role is to connect 2 shaft systems to ensure proper timing. A typical timing belt pulley has teeth or pockets that help keep the belt in place. This also helps prevent the strap from slipping and ensures that the engine valves open correctly.

Timing Belt Pulley Production Process

Why Choose Us Timing Belt Pulley?

Timing pulleys are widely used in various equipment where the timing of both drives is precious, and the display ratio is essential. A timing pulley’s benefit is eliminating slippage and maintaining constant angular velocity. Timing pulleys are manufactured per international and national standards with carbon steel/alloy steel/aluminum and hardened teeth to provide long life. We have been ranked as the most dependable and leading firm worldwide and actively emerged to offer a wide array of timing belts. Our sophisticated production unit’s timing pulleys are fabricated by our skilled personnel using advanced technology.

Known for superior sturdiness, dimensional accuracy, and durability, the offered range is manufactured in compliance with industry norms and guidelines. Further, we provide these components in various customized forms according to patrons’ specific requirements. Apart from this, these pulleys are quality tested by our quality controllers on different parameters.

1) Warranty: our timing pulley’s quality is excellent, and with insurance within 1 year, when you receive the products and find quality problems, we promise you could return it and free maintenance.
2) Drawings: please send your timing pulleys’ drawings to us to get the best quotation; If you have no drawings, please get in touch with us, then we can work out CAD drawings and the best reference for you ASAP.
3) Sample: we accept one-piece sample orders. We could do examples until you’re satisfied.
4) Confidentiality agreement: Strictly adherence to client confidentiality agreement for timing pulleys.

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