Precision linear motion conversion components
| Grade | Position Error (mm/m) | Application |
|---|---|---|
| C0 | +-0.0035 | Ultra precision machines |
| C1 | +-0.005 | Precision grinding, CMM |
| C3 | +-0.008 | CNC machines standard |
| C5 | +-0.018 | General automation |
| C7 | +-0.05 | Standard positioning |
Double nut: highest rigidity, zero backlash. Oversized ball: moderate preload. Lead screw: zero preload (low cost).