FRAESE

摘要

PCT No. PCT/DE89/00082 Sec. 371 Date Aug. 17, 1990 Sec. 102(e) Date Aug. 17, 1990 PCT Filed Feb. 11, 1989 PCT Pub. No. WO89/08004 PCT Pub. Date Sep. 8, 1989.A mortising machine comprises a base plate arranged to be located on a surface of a workpiece to be machined and having an opening, a mortising tool extending through the opening of the base plate and arranged to penetrate into the workpiece so as to remove chips and to produce a groove-like recess in the workpiece during displacement of the mortising machine, and a chip removing device provided with a suction opening in the area of the opening of the base plate. The chip removing device is also provided with a second suction opening which is spaced from the first mentioned suction opening so as to open out in the area of the groove-like recess in the workpiece.