Research Article
Effect of Stiffness of Rolling Joints on the Dynamic Characteristic of Ball Screw Feed Systems in a Milling Machine
Table 2
Stiffness of rolling joints in
feed system.
| | Normal stiffness of rolling guide (N/um) | Tangential stiffness of rolling guide (N/um) | Axial stiffness of screw (N/um) | Stiffness of ball screw (N/um) | Axial stiffness of bearings (N/um) | Axial equivalent stiffness (N/um) |
| | 156 | 112 | 443 | 290 | 503 | 130 |
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