| 摘要 |
1,179,081. Machine tool details. SCHIESS A.G. 5 Jan., 1968 [20 Jan., 1967], No. 803/68. Headings B3C and B3T. A vertical turret lathe comprises a rotary work-table 3, two columns 1 connected by a bridge 2, a cross rail 5 vertically movable on the columns, a support 6 transversely movable on the cross rail, a slide 7 vertically movable on the support, an indexable tool turret 8 carried by the slide, and a drive shaft 13 for connecting to the turret when a drilling operation is performed. Turret 8 has six tool holders 9 and a drill sleeve 10, and axially movable drive shaft 13 is releasably connected to the sleeve at 19, Fig. 2. Shaft 13 is driven at a variable speed by a motor 14 through a gear-box 12, and the vertical movement of the shaft is provided for by a worm drive 45, 46, and a screwed spindle 44. - |
