Surface Blackening Aluminum Module Timing Pulley
The module timing belt pulley comprises the rim, spoke, and hub. When designing the pulley, its structure shall be easy to manufacture, the mass distribution shall be uniform, the weight shall be light, and excessive internal stress due to casting shall be avoided.
Surface Blackening Aluminum Module Timing Pulley Overview

Surface blackening aluminum module timing pulleys are specifically designed for linear modules, multi-axis robotics, and automated machinery requiring high positioning accuracy and low rotational inertia. Precision CNC-machined from high-strength 6061 aluminum alloy and treated with a surface blackening/black anodizing process, these pulleys offer enhanced surface hardness, superior corrosion resistance, and a sleek anti-glare finish. Integrated drive flanges prevent timing belt lateral mistracking, ensuring smooth, non-slip power transmission in high-speed motion control systems.
Product Specifications
| Parameter | Specification Detail |
|---|---|
| Product Name | Surface Blackening Aluminum Module Timing Pulley |
| Place of Origin | Zhejiang, China |
| Brand | Power-trans |
| Teeth Profile | HTD (3M, 5M, 8M, 14M), STPD (S2M, S3M, S5M, S8M), GT Series (2GT, 3GT, 5GT, 8YU), Metric T/AT (T2.5, T5, T10, AT5, AT10), Imperial (MXL, XL, L, H) |
| Basic Hub Types | Type A, Type B, Type D, Type E, Type F, Type K |
| Teeth Quantity | 10–150 Teeth (Customized options available) |
| Material Options | 6061/7075 Aluminum Alloy, S45C Carbon Steel, SUS304 Stainless Steel |
| Belt Width Range | 4 mm to 50 mm |
| Inner Bore Diameter | 2 mm to 100 mm (H7 Precision Tolerance) |
| Bore Configurations | Pilot Bore, Finished Bore, Keyway, Set Screws, Taper Bore, Clamping Hub |
| Surface Treatment | Black Anodizing, Chemical Black Oxide (Blackening), Phosphating, Clear Anodizing |
| Quality Certification | ISO9001:2008 |
| Quality Inspection | Optical Projector, Salt Spray Tester, Hardness Durometer, Coating Thickness Gauge, 2D Measuring System |
| Processing Machinery | CNC Lathes, CNC Milling Centers, Gear Hobbers, Automatic Lathes, Laser Marking Machines |
| Target Applications | Robotics, Medical Devices, Packaging Machinery, Industrial Automation, 3C Electronics, UAVs, New Energy Lines |
Key Technical Advantages
- Lightweight & Low Inertia: High-purity aluminum construction drastically reduces rotational mass, allowing faster acceleration/deceleration cycles in automated modules.
- Durable Surface Protection: Black oxide/black anodized treatment creates a protective barrier against environmental oxidation while maintaining exact tooth profile dimensions.
- Positive Anti-Slip Drive: Precise tooth engagement ensures exact mechanical synchronization without slip or speed loss, eliminating the need for continuous lubrication.
- Integrated Guide Flanges: Dual side flanges keep timing belts centered during rapid bi-directional linear motion.
Why Choose Our Industrial Module Pulleys?
- 1-Year Quality Guarantee: Rigorous ISO9001 quality compliance. Free maintenance or replacement for non-conforming items within one year.
- CAD Engineering Support: Send us your custom drawings for fast quotes. If drawings are unavailable, our engineering team can generate 2D/3D CAD models based on your setup.
- Prototype Friendly: Single-piece sample orders are welcomed to verify dimensional fitment before mass production.
- Confidentiality Assured: Strict non-disclosure agreements (NDA) enforced for all custom proprietary designs.
Customization Process
- Requirement Intake: Send custom drawing files, material choices, and quantity details.
- Engineering Quote: Technical evaluation and commercial quote issuance based on standard drawings.
- Order Approval: Sample verification and formal purchase order confirmation.
- Precision Manufacturing: High-efficiency CNC turning, hobbing, surface treatment, and strict QC checks.
- Packaging & Shipping: Protective anti-vibration packaging and global logistics dispatch.
- After-Sales Support: Ongoing technical assistance and long-term supply support.
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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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