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    • 10. 发明授权
    • Apparatus for sharpening end mills
    • 锐化立铣刀的设备
    • US4597226A
    • 1986-07-01
    • US691212
    • 1985-01-14
    • Bryce D. Jewett, Sr.
    • Bryce D. Jewett, Sr.
    • B24B3/06B24B3/04
    • B24B3/06
    • Apparatus for sharpening the face cutting edges of an end mill is comprised of a rotatable abrasive wheel and three platforms adapted to provide accurate positioning in a vertical and two lateral directions. The third platform, which is uppermost and tilted in the direction of the abrasive wheel, supports a rotatable turret having a chuck which holds the end mill. The apparatus permits stepwise contact of the land and chamfer zones of the trailing surface associated with each face cutting edge with the abrasive wheel rotating in a plane perpendicular to said trailing surface. The land and chamfer zones are caused to contact the abrasive wheel at two different sites in a lower quadrant of its circular periphery, thereby producing different inclinations of said zones. Because of the tilt of the third platform, both the land and chamfer zones have the same dish angle of between about 0.degree. and 3.degree..
    • 用于磨削端铣刀的表面切削刃的装置包括可旋转砂轮和适于在垂直和两个横向方向上提供精确定位的三个平台。 最靠近砂轮方向倾斜的第三平台支撑具有夹持端铣刀的卡盘的可旋转转台。 该设备允许与每个面切割刃相关联的后表面的平台和倒角区域与在垂直于所述后表面的平面中旋转的砂轮逐步接触。 引起焊盘和倒角区域在其圆周边缘的下象限中的两个不同位置处接触砂轮,从而产生所述区域的不同倾斜度。 由于第三平台的倾斜,陆地和倒角区域的碟形角度在0°至3°之间。