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SMYCJ-IG
Nut Raceway Groove Microfinish Machine
Oilstone superfinishing of ball nut raceways, with automatic detection, automatic oilstone replacement and servo-driven high-frequency oscillation to improve roughness, waviness and profile accuracy.
- Bore Diameter
- φ20~φ120 mm
- Length
- 50~200 mm
- Cycle Time
- 50~80 s
- Driving Method
- Chuck
Precision Finishing of Ball Nut Raceways
Automatic Raceway Detection
High-precision sensors enable automatic raceway detection.
Automatic Oilstone Replacement
The ball nut superfinishing machine replaces the finishing oilstone automatically when it wears out.
Direct Servo-Driven High-Frequency Oscillation
A servo motor directly drives oilstone oscillation to improve raceway roughness, waviness and profile accuracy.
Technical Specifications
Nut Raceway Groove Microfinish Machine
| Representative Model | SMYCJ-IG |
|---|---|
| Bore Diameter | φ20~φ120 mm |
| Length | 50~200 mm |
| Surface Roughness After Polishing | Ra 0.05-0.09 (approximately Ra 0.16 before polishing); Ra 0.10-0.15 (approximately Ra 0.26 before polishing). The source omits the Ra unit; confirmation is required. |
| Waviness | Within 0.04 μm in the effective region (for example, points 50-400 of a 400-point measurement), or inspected to drawing requirements. The measurement definition requires confirmation. ![]() |
| Polishing Unit Oscillation Angle | ±4° |
| Polishing Unit Oscillation Frequency | 0-50/s (adjustable) |
| Cycle Time | 50~80 s |
| Driving Method | Chuck |
Start with Your Workpiece and Process Requirements
Discuss your workpiece drawings, surface requirements and production cycle with us.


