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AssigneeLedermann GmbH & Co. KG
InventorsKurt Kalmbach, Wilhelm Kalmbach, Hans-Jürgen Gittel, Ewald Westfal
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The invention relates to a treatment unit with a cutting tool (1) for treating wood, plastic or the like. Said treatment unit comprises a suction hood (6) with a ring (17) that encircles the tool (1) completely in the circumferential direction and at least partially in the axial direction. The suction hood (6) is located on the side of the drive spindle of the tool (1). A chip receiving opening (10) is provided in the tool (1) in the vicinity of the blade (4), said opening traversing the tool (1) in both the axial and the radial direction. A chip formed at the blade (4) is transported through the chip receiving opening (10) to the suction hood (6) from where the chip is removed by air suction.
A machining assembly for machining a workpiece, comprising a rotating cutting tool (1) including at least one cutter (4), a portion (2) of the tool (1) adjoining the cutter (4) being fully penetrated both axially and radially by a chip receiving opening (10) for communicating chips into a quill of the tool (1), and a fixed exhaust hood (6) arranged coaxial to the tool (1) and encircling the tool at least in part at a drive side of the tool (1), the exhaust hood (6) connecting an exhaust air source and a ring (17) fixedly arranged at the exhaust hood (6) encircling the tool (1) completely circumferentially and at least in part axially, closely adjoining the cutter (4).
Dependencies are inferred from the claim text.