Heavy Load Drive Timing Belt Pulley AT5/AT10/AT20 Type
The heavy load drive timing belt pulley is suitable for trapezoidal tooth heavy load transmission. Timing belt pulleys are a wheel on a shaft or an axle. It is developed to support the change of direction and movement of a belt or a cable along the circumference. Pulley is grooved in between two flanges all over its rim. Toothed belts and pulleys are important in synchronous drives based on flexible components. Their curvilinear tooth profile was designed with high speed and provided excellent registration without a loss in torque carrying capability, making them ideal for precise registration applications and heavy loads.
Heavy Load Drive Timing Belt Pulley Overview
Heavy load drive timing belt pulleys are engineered for high-torque power transmission and precise dynamic positioning under severe shock loads. Featuring modified curvilinear and reinforced tooth profiles (such as AT series, HTD 8M/14M, and Poly Chain styles), these heavy-duty pulleys distribute stress uniformly across the belt teeth to prevent tooth shear, backlash, and slippage. Increasingly replacing maintenance-heavy roller chain sprockets, heavy load timing pulleys deliver superior speed reduction, torque multiplication, and shaft synchronization with zero lubrication required.
Product Specifications
| Parameter | Specification Detail |
|---|---|
| Product Name | Heavy Load Drive Timing Belt Pulley / Heavy Duty Synchronous Pulley |
| Heavy Load Teeth Profiles | Heavy Metric Pitch: AT5, AT10, AT20 High Torque Drive (HTD): HTD 8M, HTD 14M, S8M, S14M Ultra-High Torque: PC8M, PC14M, 8YU, 14YU |
| Material Options | High-Strength C45 Carbon Steel, Alloy Steel (42CrMo), Ductile Cast Iron, 7075-T6 Aluminum Alloy |
| Hub Configurations | Type B, Type F, Type K, QD Bushing Bore, Taper-Lock Bushing Bore, Custom Clamping Elements |
| Bore Options | Finished Bore with Keyway & Set Screws, Spline Bore, Taper Bore, Pilot Bore |
| Surface Treatment | Black Oxide (Blackening), Phosphating, Hard Anodizing, Electroless Nickel Plating, Zinc Galvanization |
| Manufacturing Precision | ISO 9001:2008 Standard, DIN 7721, ISO 5294 Precision Tooth Profile Milling & Hobbing |
| Transmission Efficiency | Up to 98% under full torque rating |
Key Advantages of Heavy Load Drive Pulleys
- High Torque Capacity: Delivers exceptional power density at lower operational speeds with minimal radial loads on shafts and bearings compared to friction V-belts.
- High Speed Stability: Eliminates the “polygon effect” (chordal action) inherent in chain sprockets, providing continuous, smooth velocity transmission without backlash or pitch variation.
- Energy Efficient & Quiet: Achieves up to 98% mechanical efficiency, reducing drive noise, vibration, and thermal heat buildup during continuous duty.
- Maintenance-Free Operation: No grease or oil lubrication required, eliminating oil throw off and reducing downtime in clean industrial environments.
Industrial Applications & Conveyance Systems
Our heavy load drive timing pulleys excel in demanding industrial automation and high-load conveyance setups:
- Packaging & Sealing Machines: Enables precise vertical indexing and exact sealing head pressure in high-speed bagging equipment.
- Multi-Track Circuit Board Conveyors: Drives dual-belt systems for extended long-distance PCB transfer with smooth start-stop motion.
- Tractor & Sandwich Conveyance: Provides high clamping torque for sandwiched material drives and heavy-duty workplace separators.
- Robotics & Heavy Manipulators: Ensures zero-backlash torque transfer in multi-axis industrial robots, gantry systems, and logistics sorters.
Custom OEM Manufacturing & Guarantees
- 1-Year Quality Warranty: Backed by strict ISO9001 quality audits. Guaranteed replacement or maintenance for non-conforming parts within one year.
- Custom CAD Drawings: Send us your custom CAD specifications for immediate quotations. Our engineering team can also generate 2D/3D models based on your setup.
- Prototype Support: Single-piece sample orders are accepted for fitment testing prior to volume production.
- Strict NDA Compliance: Your proprietary drawings and engineering specifications remain strictly confidential.
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How to choose power transmissions parts and industrial products which meet our requirement
| Chains | Sprockets | Pulleys | Timing belt Pulley | V-belt Pulley |
| Sheaves | Coupings | Bush &Hub | Gear& Rack | V-Belt |
| Locking Assembly | Pulley | Gearbox | Reducer | Shaft Collar |
| Rod End Bearing | Clevis | PTO | Chain Guide | Belt Guide |
| Rubber Buffer | Chain Tensioner | PTO Drive Shafts | Universal Joints | Roller Chains |
| Conveyor Chains | V-Belts | Worm Gearbox | Helical Gear | Worm |
| Agricultural Chain | CNC Proces Parts | Casting | Stamping | |
| Powder Metallurgy | CNC Proces Parts | Casting | Stamping |
What Products Do you sell ?
We are a group of factories, give customer one stop solution of power transmission and industrial products. We are in the position to supply wide range of products, including chains, sprockets, v-belt and v-belt pulleys, timing belt and timing belt pulleys, gears, speed reducers, motors, racks, couplings, and many other parts, like locking assembly, taper bushing, Chain guide, shaft collar, torque limiter, cam clutch, universal joint, motor base and motor slide, rod end, clevis, rubber mount, etc. We make special parts according to drawings and/or samples.
How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.
What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.
What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,
escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.
What is the producing process?
Production process including raw material cutting, machine processing, grinding, accessories cleaning, assemble, cleaning, stoving, oil coating, cover pressing, testing, package.
How to control the products quality?
Combining advanced equipment and strict management, we provide high standard and quality bearings for our customers all over the world.
What is the transportation?
-If small quantity , we Suggest to send by express, such as DHL,UPS, TNT FEDEX. If large amount, by air or sea shipping.
Can we design packaging?
-Yes. Default is regular packing, and we can make customer's own packing.
Can you provide OEM service?
-Yes, we work on OEM orders. Which means size, quantity, design, packing solution, etc will depend on your requests; and your logo will be customized on our products.
Can you give me discount on Power Transmissions Parts and Industrial parts?
-Yes, of course. Pls. send me your Email, you'll get more
Q: Are You a trading company or a manufacturer?
A: We Are the factory and have our Own trading company
Q: How Can I get an offer?
A: please send US quotation information: drawings, materials, weight, quantity and requirements, we can accept PDF, ISGS, DWG, STEP file format. If you don't have the drawings, please send us the samples, we can also quote you according to your samples.
Q: What is your minimum order size?
A: it is usually 100 pieces, but a low quantity is acceptable under some special circumstances.
Q: Do you provide samples? Is it free or extra?
A: Yes, we can provide samples free of charge, but we don't pay the freight.
Q: What is the lead time for mass production?
A: honestly, it depends on the number of orders. Normally, if you don't need the tools, deposit them after 30 days or so.
Q: What if the parts don't Work?
A: we can guarantee the quality, but if it happens, please contact us immediately, take some photos, we will check the problem and solve it as soon as possible.
Q: What are your terms of payment?
A: payment is less than US $1000,100% in advance. Payment: $1000,50% wire transfer in advance, balance before shipment,Other Terms of payment are negotiable
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