China Metal Inlaid Helical Gear Transmission Component - Suppliers & Factory for Precision Applications
Structural and Material Advantages
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Metal Shaft
Selected high-quality alloy steel, heat treated for reinforcement, with hardness and wear resistance, ensuring minimal deformation during long-term operation, and guaranteeing transmission stability.
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Plastic Gear
Molded from engineering plastics (such as POM), the lightweight design reduces transmission inertia, and the self-lubricating property of plastic can reduce meshing friction, extending the service life.
Transmission Performance
🔇 Tooth Engagement Precision
The helical gear design allows for "line contact" on the tooth surface, which is more uniform compared to the "point contact" of straight gears, resulting in low noise and minimal vibration during transmission — suitable for scenarios with high requirements for silence and stability.
⚡ Transmission Efficiency
The combination of the rigidity of the metal shaft and the lightweight of the plastic gear reduces transmission resistance, with minimal energy loss, and more energy-efficient long-term operation.
Application and Customization Capability
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Widely used in office equipment (shredder, printer), small machinery (toys, models, automation equipment), etc.
✦ Custom Options
Can be customized according to the number of teeth, module, shaft diameter and other parameters on demand, to meet personalized transmission needs.
If you need more accurate matching or customization scheme, you can provide equipment conditions and technical requirements, and we will design it for you.
Order & After-Sales
What information do I need to provide for customizing a gear/gearbox?
Please share details like application scenario (e.g., automotive/medical), required torque, speed, size constraints, material preferences, and operating environment — our team will tailor a solution.
What is the typical lead time for standard and customized products?
Standard micro precision planetary gear boxes have a shorter lead time (subject to inventory). Customized products (gears/gearboxes) usually take 2–4 weeks, depending on mold development and production complexity.
Frequently Asked Questions
What is the advantage of using a metal shaft combined with a plastic gear?
The metal shaft provides high hardness and wear resistance to ensure structural stability, while the plastic gear reduces overall weight and transmission inertia. The self-lubricating property of engineering plastics like POM further reduces friction, resulting in a quieter, longer-lasting drive system.
Why is a helical gear preferred over a straight gear for low-noise applications?
Helical gears achieve "line contact" across the tooth surface during meshing, distributing load more evenly than the "point contact" of straight gears. This results in significantly reduced vibration and noise, making them ideal for office equipment and precision automation devices.
What industries or equipment are these metal-inlaid helical gears suitable for?
These gears are widely used in office equipment such as shredders and printers, as well as small machinery including toys, models, and various automation equipment. They are suitable for any application requiring reliable, low-noise, and efficient power transmission.
Can the gear be customized to match specific equipment requirements?
Yes. Customization options include the number of teeth, module, shaft diameter, material selection, and other transmission parameters. Simply provide your equipment conditions and technical specifications, and our engineering team will develop a tailored solution for you.
What material is used for the plastic gear, and is it durable?
The plastic gear is molded from engineering plastics such as POM (Polyoxymethylene), which is known for its excellent mechanical strength, dimensional stability, and self-lubricating properties. This material is well-suited for long-term operation in demanding transmission environments.
How do I get a quote or start a customization request?
You can contact our team directly by providing your application scenario, required torque and speed, size constraints, material preferences, and operating environment. Our engineers will review your requirements and provide a tailored solution and quotation promptly.


