Patent ID: 8092124
Filing Date: 2012-01-10
Classification: B23C,Y10T

Abstract:
1. A rotary milling cutter for machining workpieces comprising: a substantially circular milling cutter base body being configured to be rotated about a rotational axis; said milling cutter base body comprising a plurality of recesses disposed at intervals around the periphery thereof; a plurality of cutting insert cartridges being detachably connected to said milling cutter base body; each of said cutting insert cartridges being disposed in a corresponding recess in said milling cutter base body; a plurality of adjusting screws; said milling cutter base body comprising a plurality of adjusting holes, each being configured to receive and retain a corresponding adjusting screw; said plurality of recesses comprising a first recess, said plurality of cutting insert cartridges comprising a first cutting insert cartridge, said plurality of adjusting screws comprising a first adjusting screw, and said plurality of adjusting holes comprising a first adjusting hole; said first adjusting screw comprising: said first cutting insert cartridge comprising a conical adjustment surface; and said conical portion of said first adjusting screw being configured and disposed to matingly engage with said conical adjustment surface of said first cutting insert cartridge to move said first cutting insert cartridge linearly; said screw head portion of said first adjusting screw comprises a cylindrical screw head portion; said first adjusting hole comprises a cylindrical portion disposed at the outer surface of said milling cutter base body; said cylindrical portion is formed by said milling cutter base body and is spaced apart from said first recess by a web portion of said milling cutter base body; and said cylindrical screw head portion of said first adjusting screw is configured to matingly engage with said cylindrical portion of said first adjusting hole to minimize play therebetween.