| 摘要 |
<p>The machine contains a stand (1) provided with transverse guides (37, 38) and longitudinal guides (2, 3). On the transverse guides is mounted the table carrying the external grinding post and kinematically connected to the stand (1). On the longitudinal guides (2) is mounted a table (17) carrying the blank post and kinematically connected to the stand (1). On the longitudinal guides (3) is mounted a table (30) carrying the internal grinding post and connected to the blank post table (17) by a kinematic link (31) consisting of a screw pair whose nut (32) is secured to the blank post table (17) and whose screw (33) is mounted in a support (34) secured to the table (30) of the internal grinding post.</p> |
