Fig.
1, tie rod thickness increases to have enough strength. If the rod of insufficient strength will make the fracture and the loss of clamping force, while the workpiece is flying, dangerous.
2, screw loosening is the main reason causing vibration
3, tie rod thickness e as the minimum limit value, the best selection of machining large diameter threaded part F, the E value is the largest possible.
4, to find a strength of 380Mpa (38kg/mm2) above the material to manufacture the pull rod.
5, the thread a, D, f concentricity in 0.05mm within T.I.R.