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1. 发明授权

US08286536B2 Milling cutter manufacturing method 有权
标题翻译：铣刀制造方法
公开(公告)号：US08286536B2
公开(公告)日：2012-10-16
申请号：US12448696
申请日：2007-11-12
申请人： Mark Kirby , Christopher P R Hill
发明人： Mark Kirby , Christopher P R Hill
IPC分类号： B23B1/00 , B23C5/00
CPC分类号： B24B3/065 , B23C5/10 , B24B19/04 , Y10T82/10 , Y10T407/1946 , Y10T407/1958
摘要： A method of manufacturing a milling cutter having a cutting head and a coaxial integral shank including grinding, in a first grinding operation, a plurality of helical flutes into the outer periphery of a cutter blank from a lead end using a peripheral area of a first grinding wheel generally of frusto-conical profile and rotatable about an axis generally transversely of the milling cutter axis, which peripheral area produces, simultaneously, the following three features: a leading face of a trailing tooth; a rear face on an adjacent preceding tooth; and a swarf removal gullet having divergent sides, grinding, in a second grinding operation, and using a peripheral edge of a second grinding wheel, a relief face, 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 on the end of each flute.
摘要翻译：一种制造具有切割头和同轴整体柄的铣刀的方法，包括：在第一研磨操作中，使用第一研磨的周边区域，从多个螺旋槽从引线端磨削多个螺旋槽轮通常具有截头圆锥形轮廓，并且可围绕铣刀轴线大致横向的轴线旋转，该外围区域同时产生以下三个特征：后齿的前表面; 相邻前齿的后表面; 以及在第二研磨操作中具有发散侧，研磨的切屑齿槽，并且使用第二砂轮的周边边缘，其从齿尖的前端向后延伸，从而形成最小齿楔大约60°的角度，并且在第三研磨操作中研磨在每个凹槽的端部上的半径。

2. 发明授权

US06619890B2 Broaching 失效
公开(公告)号：US06619890B2
公开(公告)日：2003-09-16
申请号：US09908568
申请日：2001-07-20
申请人： Christopher P R Hill
发明人： Christopher P R Hill
IPC分类号： B23P1542
CPC分类号： B23D43/04 , B23B2205/02 , B23D2043/025 , Y10T407/16 , Y10T407/1628
摘要： A broach tool comprises a very stiff backing member and has an arbor adapted to be received into the hollow spindle of a machine tool, for example a multi-axis, computer controlled machining center. The backing member carries a plurality of cutting points disposed to perform successive cutting operations as the broach tool is pushed through a workpiece by relative movement of a worktable and the machine spindle. The broach tool is formed with externally extending passageways to supply coolant to the cutting points. The coolant may be supplied through the machine spindle.

3. 发明授权

US6123606A Method and apparatus for grinding 有权
标题翻译：研磨方法和设备
公开(公告)号：US6123606A
公开(公告)日：2000-09-26
申请号：US210772
申请日：1998-12-14
申请人： Christopher P R Hill , James R Watkins , Charles Ray
发明人： Christopher P R Hill , James R Watkins , Charles Ray
IPC分类号： B24B1/00 , B24B45/00 , B24B55/02 , B24D5/00
CPC分类号： B24B1/00 , B24B45/003 , B24B55/02 , B24D5/00
摘要： The material removal rate of a creep-feed grinding operation may be increased significantly by use of a type of porous grinding wheel in combination with jet of coolant liquid at high pressure directed at the periphery of the wheel in advance of the cutting point. The apparatus for performing the method may comprise a multi-axis machining centre adapted to enable the coolant nozzle(s) to be retracted to provide working clearance for automatic tool changer operation and to re-position the aiming point of the nozzle(s) over an angular range relative to a cutting point.
摘要翻译：蠕变进料研磨操作的材料去除率可以通过使用一种多孔砂轮与切割点之前的指向轮周边的高压冷却剂液体喷射相结合而显着提高。用于执行该方法的装置可以包括多轴加工中心，其适于使冷却剂喷嘴缩回以提供用于自动换刀器操作的工作间隙并且重新定位喷嘴的瞄准点相对于切割点的角度范围。

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