A broaching device and method for enlarging an opening, hollow or cavity in a workpiece comprises a broaching tool which is mounted on, or formed on, either the shaft or the nut of a ballscrew drive unit which includes a ballscrew shaft and a ballscrew nut.
申请公布号
DE19533730(A1)
申请公布日期
1996.03.21
申请号
DE1995133730
申请日期
1995.09.12
申请人
THOMSON IBL LTD., WIDDON VALLEY, NORTH DEVON, GB
发明人
SIMMONS, MARK JAMES, BARNSTAPLE, GB;PARSONS, STEVEN GEOFFREY, BRAUNTON, NORTH DEVON, GB