Hansheng Automation (Dongguan) Co., Ltd. is one of the most experienced manufacturers and suppliers of iso 5 precision custom metal worm gear in China. If you're going to wholesale bulk cost-effective iso 5 precision custom metal worm gear made in China, welcome to get pricelist and quotation from our factory. Also, customized service and OEM&ODM service are available.
Hansheng specialize in manufacturing ISO/DIN Grade 5 precision worm gears tailored for critical performance environments. From micro-modules as small as 0.1 to robust 5.0 module drive systems, our custom metal gears ensure zero-backlash capabilities and whisper-quiet operation.
Whether you are designing surgical robots requiring a 3mm tip diameter or industrial automation systems, our engineering team delivers tight tolerances that standard suppliers cannot match.
Product Features
ISO 5 Level Precision & Low Backlash
Achieve superior transmission accuracy with strict ISO/DIN level 5 tolerance control. Our worm gears ensure minimal backlash (< 3 arcmin available upon request) and high transmission efficiency.
Ultra-Fine Micro Module Capability (Mod 0.1)
Unlike standard manufacturers, we specialize in micro-gear machining starting from Module 0.1 with tip diameters as small as 3mm. This capability is critical for miniaturized medical devices and compact robotics.
Superior Surface Finish via Kashifuji KPS30
Processed by the advanced Kashifuji Gear Skiving Machine, our gears feature optimized tooth profiles and superior surface roughness.
Wide Dimensional Range (Ø3mm - Ø300mm)
From tiny instrument gears to heavy-duty drive components, our flexible production line handles a full range of sizes, offering a one-stop solution for your diverse assembly requirements.
Customized Material Hardness
We offer specialized heat treatment and material selection (including Phosphor Bronze ZCuSn10Pb1 and Aluminum Bronze) to match your specific wear resistance and load-bearing needs.
Technical Parameter Table
| Specification | Range / Detail |
| Precision Grade | ISO / DIN / GB Level 5 |
| Module Range | 0.1 - 5.0 (Specializing in Micro-Modules) |
| Tip Diameter (OD) | Ø3mm - Ø300mm |
| Materials | Phosphor Bronze, Aluminum Bronze, Stainless Steel, Hardened Steel, POM |
| Key Technology | Kashifuji Gear Skiving (KPS30) |
| Features | Low noise, High torque density, Anti-backlash design |
Application Areas
Precision Instruments
Precision worm gears for lithography machine workbenches (positioning error < 10 μm), rotary axis drive solutions for coordinate measuring machines, 5-grade precision to meet high-precision positioning requirements, compatible with semiconductor packaging equipment and lithium-ion battery electrode sheet cutting equipment (high-speed operation noise < 60 dB).
Medical equipment
Surgical robot joints, CT scanner rotary mechanism-specific worm gears, with optional FDA-standard oil-free lubricated nylon worm gears to meet medical cleanroom environment requirements.
Aerospace
Satellite antenna drive lightweight aluminum bronze worm gears (40% lighter than steel components), drone servo motor transmission worm gears, with vibration-resistant design suitable for aerospace conditions.
Non-standard applications
Electric vehicle reducers (customized large module 2.5mm + high reduction ratio 50), marine engineering anti-salt fog coating worm gears, heavy-duty machine tool spindle phosphor bronze worm gears (anti-seizing design).
Robotics & Automation
Low-backlash gear sets for robot joints and pick-and-place mechanisms.
FAQ
Q: What is the practical difference between ISO Grade 5 and Grade 6 precision?
A: Grade 6 is 0.02mm; the tooth profile inaccuracy of a Grade 5 precision worm gear is ≤0.01mm; so, the backlash may be managed in three arc minutes. Using servo motor drives as an example, ISO 5-grade precision achieves ±0.1° (ISO 6-grade is ±0.3°), appropriate for precision applications such lithography machine stages and surgical robot joints; whereas ISO 6-grade precision is more suitable for general automation equipment.
Q: What is the minimum order quantity for non-standard customization?
A: Standard module products, non-standard modules (e.g., 0.3 mm/6 mm), or special processes (such as carburizing and quenching, Ni-P plating) all have a minimum order quantity of 5 pieces. Sample production takes 1-2 weeks, and mass production takes 2-3 weeks. Customization based on drawings or samples is supported, and rush orders are available (with samples ready in as little as 1 week).
Q: How to select worm gear material?
A: Light-load quiet applications (e.g., medical equipment, office machinery): Choose nylon worm gears (noise <55dB, self-lubricating and maintenance-free, compliant with FDA standards);
Medium-load general applications (e.g., conveyor lines, automated equipment): Choose aluminum bronze (ZCuAl10Fe3) (30% lower cost than phosphor bronze, 80% load capacity, high cost-effectiveness);
High-speed heavy-duty applications (e.g., machine tool spindles, electric vehicle reducers): Choose phosphor bronze (ZCuSn10Pb1) (friction coefficient 60% lower than cast iron, suitable for speeds >1000 rpm, strong anti-seizing capability). Q: Do you offer matching worm gear processing services?
Q: Do you provide matching worm gear processing services?
A: We offer matching worm gear processing services on the same production line, using 20CrMnTi carburizing and quenching (HRC 58-62), precisely matched to the hardness of the worm wheel tooth surface.
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