| 摘要 |
PURPOSE: A multi-stage slide cover device of a machine tool is provided to prevent a movement of a guide bar and an abrasion of a through-hole because the guide bar is penetrated a guide bush. CONSTITUTION: A multi-stage slide cover device(100) of a machine tool comprises a cover unit(110), supporting units(120), an elastic unit(130), and a guide bar(140). The cover unit is mounted in a machine tool. A plurality of unit bodies(111,113,115,117,119) of the cover unit is overlapped and a length of the cover unit is adjusted according to an overlap degree of the unit bodies. The supporting units are formed in the lower parts of the each unit body. The elastic unit is arranged between the supporting units. The guide bar passes through the elastic unit and guides operation of the cover unit. |
