Multiple spindle conversion for drill press - has ball bearing mounted parallel spindles connected by gear drives to drill quill

摘要

The fixture consists of a housing in which a number of parallel spindles are mounted on bell bearing supports. Drills are mounted on the ends of these spindles. The spindles are connected by means of pinion to a control drive spindle. The conical end of the drive spindle can be mounted in the bore of a machine tool spindle. The fixture housing fits over guide pillars which ensure that all mills mounted in the fixture remain square to the surface of the workpiece.