Patent ID: 6454499
Filing Date: 2002-09-24
Classification: B23C,B23Q,B27G,Y10T

Abstract:
A device for machining workpieces of wood-based materials, plastic or the like, comprising:at least one chip removing, rotating tool configured substantially as a hollow body including at least one cutter, a portion of said tool adjoining said cutter being penetrated by a chip receiving opening for communicating chips into a cavity of said tool; and an exhaust means including a stationary exhaust housing configured substantially as a hollow body communicating with or protruding into said cavity of said tool at least partly and in connection with at least one exhaust air source, that part of said exhaust housing which is communicating with or protruding into said cavity of said tool comprising, in a region of an effective site of said tool assigned to said cutter, at least one chip communicating window porting into an exhaust passage of said exhaust housing, and said exhaust passage comprising in an exhaust passage section upstream of said chip communicating window, relative to an exhaust direction, at least one auxiliary air infeed opening, wherein said exhaust housing comprises at least one ancillary exhaust passage which is connected to at least one exhaust housing section provided outside of said rotating tool, and that said ancillary exhaust passage defines a flow path for an ancillary air stream and ports into an exhaust passage section downstream, remote from said chip communicating window relative to said exhaust direction, into said exhaust passage.