Inventors:
Ralph D. Shirley - Saltsburg PA
Gary D. Baldwin - Ligonier PA
Kay E. Kucharik - Maple Heights OH
William C. Magill - Mentor OH
Alfred R. Augustine - New Alexandria PA
Robert A. Acero - Kingsport TN
William R. Shaffer - Greensburg PA
Assignee:
Kennametal Inc. - Latrobe PA
International Classification:
B23C 520
Abstract:
A three dimensional mill capable of plunging, ramping, circle interpolating and other milling processes while providing a finished surface not in need of finish grinding. The milling cutter includes cutting inserts of a modified design including flats separating rounded corners of a two radius design. Each insert also includes a rail that is secured to the milling cutter along a longitudinal surface that is radial to the axis of the milling cutter at any cross sectional plane.