1.Improve the accuracy
of roundness, center of circle and cylindricity.It produces bell shaped
and centrifugal vibration, affecting accuracy.Good control effect.
2.Two can be used for external clamping and internal tension, and the
oil claw can be adjusted according to the requirements.Size, convenient
and quick operation, saving time and effort, effective use;
3.The old chuck can effectively improve the accuracy and grip strength
after using the forming ring.It can be restored to the same new product. |