1 / 5
| Processing Technology | Processing Range | Tolerance Grade | Surface Roughness |
|---|---|---|---|
| CNC Turning | Rotationally symmetrical parts; Diameter ≤500mm, Length ≤2000mm | IT7~IT9 (±0.02~0.1mm) | Rough: Ra 3.2~12.5μm; Finish: Ra 0.8~1.6μm |
| CNC Milling | Plane, groove, cavity, complex contour; Size ≤1000×600×500mm | IT8~IT10 (±0.05~0.2mm) | Rough: Ra 6.3~12.5μm; Fine: Ra 0.8~3.2μm |
| CNC Turning-Milling | Complex and multi-feature parts | IT6~IT8 (±0.01~0.05mm) | Turning: Ra 0.8~1.6μm; Milling: Ra 1.6~3.2μm |
| 5 Axis Machining | Complex curved surfaces, impellers, aviation structural parts | IT7~IT8 (±0.03~0.05mm) | General: Ra 1.6~3.2μm |










