Vertical internal push broaching machine.

摘要

A vertical internal push broaching machine having an upper slide (12) and a lower slide (13) provided with respective holding means (15,26) for releasably retaining opposite end portions of at least one vertical broach (11) and vertically displaceable along guide elements (14) by means of a first and a second electric motor (17,33). The first electric motor (17) actuates displacement of the upper slide (12) by means of a reduction gear (19) and a vertical rack (21) and pinion (20) transmission. <IMAGE>