Cutter device for processing difficult-to-machine material
AssigneesPosco, Research Institute of Industrial Science & Technology
InventorsKwang Soo Park, Sook Hwan Kim
Life of this patent
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Abstract
Provided is a cutter apparatus for machining a difficult-to-machine material, the cutter apparatus including: a cutting tool body which has a fastening portion formed at a center thereof; one or more cutters which are installed on the cutting tool body, and have superhard insert tips fixed to end portions thereof, respectively; and an angle adjusting unit which is installed in an internal space of the cutters, and adjusts angles of the cutters by spreading or retracting the cutters, so that angles of the cutters may be easily adjusted in accordance with a condition for cutting a difficult-to-machine material, in order to prevent damage to the superhard insert tips when machining a difficult-to-machine material having high hardness and high toughness.
Claims8
A cutter apparatus for machining a difficult-to-machine material, the cutter apparatus comprising:
- a cutting tool body which has a fastening portion disposed at a center thereof;
- one or more cutters which are disposed on the cutting tool body, and have superhard insert tips fixed to end portions thereof, respectively;
- and
- an angle adjusting unit which is disposed in an internal space of the cutters, and adjusts angles of the cutters by spreading or retracting the cutters,
- wherein the angle adjusting unit includes a wedge member arranged between the cutters and adjusts the angles of the cutters in accordance with a vertical movement amount of the wedge member, and
- the wedge member further includes guide grooves which are disposed in a side portion thereof, which abuts the cutters, in a direction in which the wedge member moves.
Dependencies are inferred from the claim text.