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    • 1. 发明申请
    • MILLING CUTTER MANUFACTURING METHOD
    • 铣削切割机制造方法
    • US20090324347A1
    • 2009-12-31
    • US12448696
    • 2007-11-12
    • Mark KirbyChristopher P.R. Hill
    • Mark KirbyChristopher P.R. Hill
    • B26D1/12B21K5/04
    • B24B3/065B23C5/10B24B19/04Y10T82/10Y10T407/1946Y10T407/1958
    • A method of manufacturing a milling cutter having a cutting head and a coaxial integral shank comprising the steps of grinding, in a first grinding operation, a plurality of helical flutes (5) into the outer periphery of a cutter blank from a lead end (24) using a peripheral area (16) of a first grinding wheel (15) generally of frusto-conical profile and rotatable about an axis (18) generally transversely of the milling cutter axis (1), which peripheral area (16) produces, simultaneously, the following three features: a leading face (9) of a trailing tooth; a rear face (10) on an adjacent preceding tooth; and a swarf removal gullet (13) having divergent sides, grinding, in a second grinding operation, and using a peripheral edge (19) of a second grinding wheel (20), a relief face (11), which extends rearwardly from a leading end of a tooth tip, resulting in a minimum tooth wedge angle of approximately 60°, and grinding, in a third grinding operation, a radius (23) on the end of each flute. The invention also includes a milling cutter (1).
    • 一种制造具有切割头和同轴整体柄的铣刀的方法,包括以下步骤:在第一研磨操作中,将多个螺旋槽(5)从引导端(24)研磨到切割坯料的外周 ),其使用大致为截头圆锥形轮廓的第一砂轮(15)的周边区域(16),并且可围绕所述铣刀轴线(1)大致横向于所述铣刀轴线(1)的轴线(18)旋转,该周边区域(16)同时产生 ,以下三个特征:后齿的前导面(9); 在相邻的前牙上的后表面(10); 和具有发散侧面的切屑移除齿槽(13),在第二研磨操作中研磨,并且使用第二砂轮(20)的周边边缘(19),从第一研磨操作中向后延伸的浮雕面(11) 齿尖的端部,产生大约60°的最小齿楔角度,并且在第三研磨操作中,研磨在每个凹槽的端部上的半径(23)。 本发明还包括铣刀(1)。