Matched Worm Gear Sets
Factory-optimized worm shaft and wheel pairs with verified contact pattern
Worm Gear Set Specifications
| Shaft Material | 16MnCr5, 8620, SCM420 (case-hardened & ground) |
| Wheel Material | CuSn8P, CuAl10Fe3, EN-GJL-250 |
| Precision Grade | DIN 4-9, AGMA Q5-Q14 |
| Transmission Ratio | 5:1 to 100:1 (custom ratios available) |
| Backlash | 0.05-0.30mm (application-specific) |
| Torque Capacity | Up to 50,000 Nm |
| Efficiency | 35-90% (depends on ratio and design) |
| Module Range | 0.5 to 20 module |
| Special Types | Double enveloping, multi-start, hollow shaft |
| Included Testing | Contact pattern, backlash, noise, run-in |
Matched Set Advantages
Optimized Contact Pattern
Unlike purchasing shaft and wheel separately, our matched sets are verified for correct contact pattern across the tooth face. This ensures even load distribution, reduced noise, and extended service life.
Controlled Backlash
Backlash is precisely set during assembly based on your requirements: minimal backlash for precision positioning, moderate backlash for general power transmission, or increased backlash for high-temperature applications.
Run-In Testing
Every set undergoes run-in testing at operating speed and load. This verifies smooth meshing, confirms temperature rise is within limits, and identifies any issues before shipment.
Applications
- 2713 RV precision reducers
- 2713 Industrial worm gearboxes
- 2713 Elevator traction drives
- 2713 Automotive steering systems
- 2713 Valve actuator drives
- 2713 Conveyor drive units
- 2713 Crane and hoist mechanisms
- 2713 Solar tracker drives
Frequently Asked Questions - Worm Gear Sets
What is a matched worm gear set?
A matched set consists of a worm shaft and worm wheel manufactured and tested together as a pair. We optimize the contact pattern, verify backlash, and run-in test to ensure smooth, quiet operation out of the box.
What transmission ratios do you offer?
We manufacture worm gear sets with ratios from 5:1 to 100:1. Common ratios include 10:1, 20:1, 30:1, 40:1, 50:1, and 60:1. Custom ratios available on request.
How do you control backlash?
Backlash is controlled during manufacturing based on your application requirements. Typical backlash ranges from 0.05mm (precision) to 0.30mm (general industrial). We adjust wheel thickness and center distance during assembly.
Do you provide inspection reports?
Yes, every matched set includes a complete inspection report: material certificates, heat treatment records, dimensional inspection, contact pattern photos, backlash measurement, and noise level test results.
Can you manufacture double enveloping worm gear sets?
Yes, we manufacture double enveloping (hourglass) worm gear sets for high-torque, high-efficiency applications. These require specialized grinding equipment and precise assembly.
Related Resources for Worm Gear Sets
Hardened Steel Shafts
Case-hardened and through-hardened steels for the worm shaft component of matched gear sets.
Learn more →Phosphor Bronze Wheels
Standard bronze alloy for worm wheels — optimal pairing with hardened steel shafts.
Learn more →ISO 1328 Standard
International gear accuracy standard — tolerance classes 0-12 for worm wheel profiles.
Learn more →RV Reducer Industry
High-precision matched worm gear sets for robotic joints and precision reducers.
Learn more →Automotive Industry
Matched worm gear sets for EPS systems, seat adjusters, and HVAC actuators.
Learn more →Gear Calculator
Calculate gear ratio, center distance, and efficiency for your worm gear set design.
Learn more →