31-05-1961 дата публикации
Номер: GB0000869183A
Автор:
Принадлежит:
... 869,183. Drilling-machine details. WITZIG, E. K., and FRANK, R. July 28, 1958 [July 31, 1957], No. 24282/58. Class 83 (3). A drilling &c. machine comprises a bed 3 with a column 2 supporting vertically adjustable, interchangeable tool heads which include their own driving and feeding means 10, 11, and an interchangeable, indexable work-table 1 on the bed and including work-holders and a table-locking device. The heads may each have one, two, four, five, six, eight &c., spindles for drilling, tapping, countersinking, facing &c., operations on work held by work-holders operated mechanically or hydraulically. In Fig. 1, two tool-heads 8, 9 are used, tool-head 8 having eight laterally adjustable drill spindles, and tool-head 9 eight laterally adjustable tap spindles. The tool-heads are adjusted vertically by mechanisms 24. The work-table is indexed in steps of 120 degrees, and may be locked by compression, and thus radial expansion, of a flexible member 13, Fig. 9, advanced through a bush 17 ...
Подробнее