Precision Plastic Helical Gears for Quiet, Clean, and Lightweight Power Transmission
Quiet & Vibration-Free Operation: The helical (curved) tooth design ensures gradual, overlapping engagement for smoother, quieter motion compared to spur gears.
Inherently Corrosion-Proof: Plastic material eliminates rust, making it perfect for washdown, food processing, and chemical environments.
Lightweight & Energy Efficient: Significantly reduces inertia in high-speed applications, lowering power consumption and stress on supporting components.
Custom Engineered Solutions: Wide module range (0.5 to 16) and full OEM service, from in-house mold design to production.
When your application demands quiet operation, corrosion resistance, or reduced weight, a Plastic Helical Gear offers distinct advantages over traditional metal gears. At Donghua Gear, we engineer these advanced components to meet the rigorous demands of modern machinery, from food production equipment to medical devices and consumer electronics.
Our Plastic Helical Gear range is characterized by its curved tooth line (helical teeth) . This geometry allows for smoother and quieter power transmission than straight-cut spur gears, as the teeth engage more gradually. Combined with the inherent damping properties of engineering plastics, this results in significantly reduced noise and vibration-a critical factor in precision equipment and user-facing applications.
We manufacture gears using high-quality plastic materials suitable for injection molding, which allows for complex geometries, excellent repeatability, and cost-effective mass production. The choice of plastic also brings key benefits: no rust or corrosion, the ability to run with minimal or no lubrication (especially when paired with metal gears), and a significant weight reduction that lowers inertia and improves energy efficiency in dynamic systems.
Technical Specifications & Capabilities
| Parameter / Capability | Details & Options |
|---|---|
| Product Range | Plastic Helical Gear (Standard & Custom) |
| Module Range | Mould from 0.5 to 16 |
| Tooth Form | Curved (Helical) Gear / Circular Gear |
| Manufacturing Process | Injection Molding (for high volume, complex shapes); Rolling Gear (for certain types) |
| Material | Engineering Plastics (e.g., POM, Nylon, etc. - specify if possible) |
| Precision Grades Available | Up to DIN 3960 class 4, ISO fine grade, AGMA 2000 class 10-15, JIS 1702-1703 class 0. |
| Design & Engineering | • In-house tooling design and fabrication • Gear design, optimization, and performance analysis |
| Customization Options | • Fused Gears: For large diameters or high-torque keyway applications, we can manufacture gears with a plastic tooth ring fused to a metal hub for combined strength. • OEM service based on drawings or samples. |
| Quality & Delivery | • ISO 9001 certified processes • Packaging per customer requirement • In-time delivery guarantee |
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