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1. (WO2018077490) A CUTTING INSERT AND A MILLING TOOL

Pub. No.:    WO/2018/077490    International Application No.:    PCT/EP2017/065255
Publication Date: Fri May 04 01:59:59 CEST 2018 International Filing Date: Thu Jun 22 01:59:59 CEST 2017
IPC: B23C 5/16
Applicants: PRAMET TOOLS, S.R.O.
Inventors: BITTNER, Jan
VLCEK, Jan
Title: A CUTTING INSERT AND A MILLING TOOL
Abstract:
An indexable cutting insert (201) for a milling tool, comprising: - an upper side (202); - a lower side (203); - a side surface (204) connecting the upper and lower sides; - at least two identical upper cutting edges (205), each comprising a chip removing major cutting edge (210) and a minor cutting edge (211) extending on opposite sides of a corner edge (209), a major wiper edge (212) extending between the corner edge and the major cutting edge, and a minor wiper edge (213) extending between the corner edge and the minor cutting edge, wherein, as seen in a top view, the major cutting edge and the major wiper edge form an obtuse inner angle of less than 180° and, as seen in a side view, the major wiper edge slopes downward from the corner edge toward the major cutting edge, and the major cutting edge has a first portion (219) sloping downward from the major wiper edge and a second portion (220) which extends in parallel with the upper side.