PairGears manufactures custom worm gears based on drawings, samples and application requirements.
We deliver reliable transmission solutions for reducers, automation equipment and industrial machinery.
Key advantages of worm gear transmission in industrial applications
Worm gears provide high reduction ratios in a compact structure, making them suitable for applications requiring significant speed reduction and torque control.
The crossed shaft arrangement allows power transmission at 90 degrees, helping save installation space and simplify mechanical layouts.
The continuous sliding contact between the worm and wheel enables stable transmission with reduced vibration and operating noise.
Certain worm gear designs can provide self-locking characteristics, helping prevent reverse movement in specific applications.
With proper material selection, lubrication, and manufacturing control, worm gears deliver consistent performance for industrial transmission systems.
PairGears provides customized worm gear components including worm gear sets, worm wheels and worm shafts based on drawings, samples and application requirements.
Complete matched worm and wheel sets designed for reducers, automation systems and industrial transmission applications.
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Custom worm wheels manufactured with suitable materials for stable meshing, wear resistance and reliable performance.
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Precision-machined worm shafts with controlled lead angle, profile accuracy and customized end features.
Learn MoreDesigned for reliable transmission performance with customized materials, geometry, manufacturing processes and inspection requirements.
We provide custom worm gear solutions based on drawings, samples and application requirements, covering gear design, materials, manufacturing and inspection to achieve accurate meshing and reliable transmission performance.
The machining process layout for the worm and worm wheel is arranged according to the drawing requirements. The main process routes are as follows:
Material selection → Blank turning → Rough turning → Finish turning → Milling → Heat treatment → Grinding → Gear grinding → Inspection
The machining process focuses on accurate worm profile, lead accuracy and surface quality to achieve reliable worm and wheel meshing.
Worm (Blank material: 40Cr)
| Process | Operation | Machine / Equipment | Fixture | Tooling / Cutting Tool |
|---|---|---|---|---|
| Turning | Rough turning (blank) | Conventional lathe | Self-centering chuck | Rough turning insert |
| Center drilling / center hole | Lathe | Self-centering chuck | Center drill | |
| Finish turning | CNC lathe | Spring collet | Finishing tool + grooving tool | |
| Double-start thread turning | Thread processing equipment | Custom fixture | Standard threading tool | |
| Milling | Milling flats / square | Milling machine | Customized fixture | Standard milling cutter |
| Heat Treatment | According to material requirements and application conditions | |||
| Grinding | OD grinding | Cylindrical grinder | Two centers | Grinding wheel |
| Tooth Grinding | Thread grinding | Thread grinding machine | Two centers | Form grinding wheel |
Material selection → Blank turning → Rough turning → Finish turning → Milling → Hobbing → Milling → Inspection
The worm wheel manufacturing process focuses on tooth geometry accuracy, material compatibility and stable contact performance.
Worm Wheel (Blank material: ZCuSn10Pb1)
| Process | Operation | Machine / Equipment | Fixture | Cutting Tool |
|---|---|---|---|---|
| Turning | Rough turning of end face / bore | CNC lathe | Self-centering chuck | Rough turning insert |
| Finish turning of end face / bore | CNC lathe | Self-centering chuck | Finishing insert | |
| Drilling | Drilling | Drill press | Custom positioning fixture | Drill bit |
| Milling | Slot milling (keyway / slot) | Milling machine | Custom fixture | Slotting cutter |
| Hobbing | Gear hobbing | Gleason gear hobbing machine | Hobbing fixture | Hob cutter |
| Milling | Remove excess material | CNC milling machine | Custom positioning fixture | Milling cutter |
Material selection plays an important role in worm gear performance, wear resistance and service life. We provide various material options for worm shafts and worm wheels, including alloy steels, carburizing steels and bronze materials to meet different transmission requirements.
If you require other special materials or specific material standards, pleasecontact us.
20MnCr5 is a low-alloy carburizing steel with excellent hardenability and dimensional stability. It is suitable for worm shafts requiring high strength, wear resistance and reliable transmission performance.
20CrMnTi is a carburizing alloy steel commonly used for worm shafts. It provides high surface hardness, good wear resistance and strong fatigue performance after carburizing and quenching.
SAE 8620 is a widely used carburizing steel for precision transmission components. It offers a hard wear-resistant surface with a tough core after heat treatment.
42CrMo provides high strength, toughness and fatigue resistance. It is suitable for worm shafts used in heavy-duty transmission applications.
40Cr is a medium carbon alloy steel with good strength and machinability. It is commonly used for worm shafts and other mechanical transmission components.
Tin bronze offers excellent wear resistance and sliding performance. It is widely used for worm wheels due to its compatibility with hardened steel worms.
Phosphor bronze provides good strength, wear resistance and corrosion resistance, making it suitable for worm wheels requiring stable long-term operation.
Aluminum bronze provides high strength and excellent corrosion resistance. It is suitable for demanding worm gear applications requiring higher load capacity.
Case hardening is a process which involves adding a hard, protective shell to the outside of an otherwise soft steel. This process allows for intricately shaped metals to possess a strength and toughness that they otherwise wouldn't be able to possess.
The nitriding process takes place at lower temperatures than carburizing treatment, which makes it very suitable in the construction of gears to limit the deformation during the heat treatment process. Increase the surface hardness of the steel, improving its resistance to fatigue and wear.
The high-frequency quenching gear is characterized in that the core has high strength and high impact toughness after high-frequency quenching, tooth surface has high hardness and high abrasion resistance, and the high-frequency quenching gear can pass a 720-hour fatigue test.
Share drawings, samples or application details.
Our team evaluates specifications and provides a suitable solution.
Once confirmed, we begin manufacturing your custom bevel gears.
Support PDF, CAD files, 3D models or other technical documents.
✓ Free technical consultation
✓ Engineering support
✓ Fast quotation response
✓ Reliable quality control
Customers provide design requirements, drawings, or samples.
Confirm gear geometry, materials, tolerance and requirements.
Determine manufacturing route and quotation.
Produce initial parts where required.
Verify dimensions, gear accuracy and required quality items.
Proceed with production after approval.
Custom worm gears are commonly used in gearboxes, conveyors, lifting equipment and industrial systems where reliable torque transmission and precise motion control are required. PairGears develops worm gear solutions according to drawings, samples and application conditions.
Gearboxes & Reducers
Conveyors
Lifting Equipment
Packaging Machinery
Valves & Actuators
Automation Equipment
Agricultural Machinery
Industrial Machinery
Yes. PairGears manufactures custom worm gears, worm wheels and worm gear sets based on customer drawings, 3D models, samples, or specific application requirements.
We produce custom worm gear sets, including worm shafts, worm wheels and matched worm gear assemblies for reducers, automation equipment and industrial transmission systems.
Common materials include alloy steels such as 20CrMnTi, 20MnCr5, SAE 8620 and 40Cr for worm shafts, as well as bronze materials such as tin bronze and aluminum bronze for worm wheels.
Worm gear production includes turning, worm cutting, hobbing, milling, heat treatment, grinding and final inspection to achieve accurate tooth geometry and reliable transmission performance.
Send us your drawings, specifications, samples or 3D models. Our team will review your requirements and provide a suitable worm gear solution with quotation details.
