Patent ID: 6176648
Filing Date: 2001-01-23
Classification: B23C,Y10T

Abstract:
A face milling cutter, comprising:a cutter body having a rotational axis, an outer side surface and a plurality of parallel linear grooves each extending substantially parallel to said rotational axis in said outer side surface; anda plurality of insert holders;wherein each one of said grooves respectively has a first side wall and a second side wall that face opposite each other and that extend from said outer side surface inwardly into said cutter body, said first side wall having a first stop face and a first seating face and said second side wall having a second stop face and a second seating face, said first seating face and said second seating face being closer to said rotational axis than said first stop face and said second stop face, and a bottom portion having a bottom wall and bottom side walls, said bottom portion extending between and interconnecting respective ends of said first seating face and said second seating face,wherein said first side wall includes a first recess bounded by said first stop face and said first seating face and a first protrusion, said second side wall includes a second recess bounded by said second stop face and said second seating face and a second protrusion, and said first and second recesses are respectively closer to said rotational axis than are said first and second protrusions,wherein said first stop face and said second seating face are arranged opposite and parallel to each other and said second stop face and said first seating face are arranged opposite and parallel to each other,and wherein each one of said insert holders respectively has an outer holder surface and is respectively seated in a respective one of said grooves so as to be engaged in said first recess and said second recess of said respective groove with said first protrusion and said second protrusion of said respective groove respectively extending over and contacting at least one portion of said outer holder surface facing outwardly toward said outer side surface of said cutter body.