Integrated Shaft Solutions for Compact Transmission Systems

Stepped worm shafts combine multiple shaft diameters with worm transmission sections into one integrated component. This structure allows a single shaft to perform power transmission, positioning, and mounting functions at the same time. Compared with separate components, this design reduces assembly steps and saves installation space.

Our stepped worm shaft solutions cover minimum step diameters of Φ3mm and maximum outer diameters of Φ200mm. The overall length range reaches from 15mm to 750mm. These customized transmission components are widely used in compact reducers, automation equipment, and precision mechanical systems that require efficient space utilization.

Accurate Coaxiality for Stable Rotation

Different shaft sections must maintain precise alignment during high-speed operation. Poor step alignment may cause assembly problems, vibration, and uneven load distribution. We control step coaxiality within ≤0.003mm to ensure smooth rotation between different functional sections.

For miniature precision parts, we achieve tooth surface roughness as low as Ra0.4μm. For larger sizes, we maintain overall length tolerance within ±0.03mm and surface roughness up to Ra1.6μm. These strict controls help improve installation accuracy and ensure reliable performance during long-term operation.

Advanced Machining and Process Control

We use CNC turn-mill compound machines to complete multiple machining processes in one setup. This includes outer diameter machining, end face processing, and worm profile cutting. This method reduces positioning errors and improves consistency between different shaft sections.

Our high-precision CNC surface grinders complete finishing operations on critical areas. Metal band saw equipment supports efficient material preparation before machining. Our experienced engineering team optimizes machining processes according to customer drawings and application requirements.

Every production batch follows strict quality procedures. We perform incoming material inspection, in-process inspection, and final inspection before shipment. This complete quality control system helps ensure stable dimensions and reliable product performance.

Flexible Custom Manufacturing Service

We support customized production based on customer drawings, samples, or technical requirements. After receiving your design information, our engineering team reviews the structure and provides machining suggestions when needed.

Sample development can be arranged before mass production. After sample approval, we organize production according to your delivery schedule. We also provide regular production updates during manufacturing.

For export orders, we offer professional packaging solutions including wooden cases and iron frame protection. These methods help prevent deformation and damage during international transportation.

Technical Specifications

Parameter	Minimum Specification	Maximum Specification
Minimum Step Diameter (Φ)	3 mm	-
Maximum Outer Diameter (Φ)	-	200 mm
Overall Length	15 mm	750 mm
Step Coaxiality	≤0.003 mm	-
Overall Length Tolerance	-	±0.03 mm
Surface Roughness (Ra)	0.4 μm	1.6 μm