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    • 1. 发明申请
    • DUAL TIP CUTTER AND METHOD OF HARD TURNING
    • 双螺纹切割机和硬切削方法
    • WO2014099648A1
    • 2014-06-26
    • PCT/US2013/074915
    • 2013-12-13
    • THE TIMKEN COMPANY
    • AI, XioalanSONG, Xiaozhong
    • B23B27/16
    • B23B27/1685B23B27/145B23B27/1659B23B29/24B23B2205/12B23B2205/16B23B2210/02B23B2220/445B23B2228/24B23B2270/14Y10T82/10Y10T407/22Y10T407/2208Y10T407/221
    • A dual tip cutter (10) includes a body (12) defining a feed direction (F), a cutting direction (C) perpendicular to the feed direction, and a depth direction (D) perpendicular to both feed and cutting directions. A first cutting portion (35) is fixed relative to the body at a body first end. A second cutting portion (45) is fixed relative to the body at the body first end, adjacent the first cutting portion. The first and second cutting portions are stacked in the cutting direction so that the first cutting portion forms a leading cutting portion and the second cutting portion forms a trailing cutting portion for simultaneous cutting. The second cutting portion extends from the body further in the depth direction than the first cutting portion. A relative position between the first and second cutting portions is set such that a total chip load is shared between the first and second cutting portions in a predetermined ratio (K).
    • 双头切割器(10)包括限定进给方向(F)的主体(12),垂直于进给方向的切割方向(C)和垂直于进给和切割方向的深度方向(D)。 第一切割部分(35)在身体第一端处相对于身体固定。 第二切割部分(45)在主体第一端处相对于主体固定,与第一切割部分相邻。 第一切割部分和第二切割部分沿切割方向堆叠,使得第一切割部分形成前切割部分,并且第二切割部分形成用于同时切割的后切割部分。 第二切割部分在深度方向上比第一切割部分进一步从主体延伸。 第一切割部和第二切割部之间的相对位置被设定为使得在第一切割部和第二切割部之间以规定的比例(K)共享总的切屑载荷。