Research Article
Effect of Stiffness of Rolling Joints on the Dynamic Characteristic of Ball Screw Feed Systems in a Milling Machine
Table 4
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 bearing (N/um) | Axial equivalent stiffness (N/um) |
| | 167 | 120 | 752 | 165 | 373 | 225 |
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