Hot Products
China Suppliers Factory Metal Inlaid Helical Gear for Precision Transmission 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 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, enabling 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. Products can be customized according to the number of teeth, module, shaft diameter, and other parameters to meet personalized transmission needs.
💬 If you need more accurate matching or a customization scheme, you can provide equipment conditions and technical requirements, and we will design it for you.
💬 If you need more accurate matching or a customization scheme, you can provide equipment conditions and technical requirements, and we will design it for you.
Order & After-Sales
Q
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.
Q
What is the typical lead time for standard and customized products?
Standard micro precision planetary gearboxes 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 (FAQ)
Q
What is the advantage of using a metal shaft with a plastic gear combination?
The metal shaft provides high rigidity, hardness, and wear resistance for structural stability, while the plastic gear reduces overall weight and transmission inertia. The self-lubricating nature of engineering plastics like POM further minimizes friction, resulting in a more efficient and longer-lasting gear assembly.
Q
Why is a helical gear preferred over a straight (spur) gear for low-noise applications?
Helical gears engage teeth gradually with "line contact," distributing load more evenly across the tooth surface. This results in smoother, quieter operation with less vibration compared to straight gears that engage with abrupt "point contact" — making helical gears ideal for noise-sensitive environments such as office equipment.
Q
What industries or equipment are these metal-inlaid helical gears suitable for?
These gears are widely applied in office equipment (printers, shredders), consumer electronics, toys, scale models, and light automation equipment. Their compact design and customizable parameters make them versatile for a broad range of small-to-medium mechanical applications.
Q
Can the gear parameters be customized to fit specific equipment requirements?
Yes. Customization is available for key parameters including the number of teeth, module, shaft diameter, material grade, and gear geometry. Simply provide your equipment specifications, operating conditions, and technical requirements, and our engineering team will develop a tailored solution.
Q
What engineering plastic materials are available for the gear component?
POM (Polyoxymethylene) is a standard material choice due to its excellent dimensional stability, low friction coefficient, and self-lubricating properties. Other engineering plastics may also be available depending on load, temperature, and chemical resistance requirements — please consult our team for material recommendations.
Q
How does the heat treatment process on the metal shaft improve performance?
Heat treatment significantly increases the surface hardness and core toughness of the alloy steel shaft, improving its resistance to wear, fatigue, and deformation under sustained mechanical loads. This ensures the shaft maintains precise alignment and transmission stability throughout its service life.