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    • 17. 发明申请
    • SAW BLADE TOOTH FORM AND METHOD THEREFOR
    • 锯片牙齿形状及其方法
    • WO1996005932A1
    • 1996-02-29
    • PCT/US1995010267
    • 1995-08-10
    • BLACK & DECKER INC.CARLSEN, Daniel, J.PARKER, George, F.
    • BLACK & DECKER INC.
    • B23D45/00
    • B23D49/00B23D45/00B23D61/021B23D61/04B23D61/121B23D61/14B23D65/02Y10T83/9319Y10T83/9326Y10T83/936Y10T83/9362
    • A saw blade (100) has a plurality of teeth (104) with each tooth formed by a beveled leading face (120), a beveled trailing face (122) and a chamfered surface (124) located on the trailing face of each tooth. The trailing (122) and leading (120) faces are beveled in opposite directions in alternate order throughout the saw blade (100) prior to the forming of the chamfered surface (124). The beveled leading face (120) of each tooth intersects the chamfered surface (124) on the trailing face (122) of each tooth to form a curved cutting edge (130) having a negative rake angle. The beveled faces are manufactured by first forming a plurality of rough-formed gullets. The rough-formed gullets are then finished-formed into beveled gullets (110) by a cold-forming operation prior to the grinding of the chamfered surface to form the curved cutting face of the tooth.
    • 锯片(100)具有多个齿(104),每个齿由位于每个齿的后表面上的斜面前表面(120),斜面后表面(122)和倒角表面(124)形成。 在形成倒角表面(124)之前,尾部(122)和前端(120)面在整个锯片(100)中以相反方向以相反方向倾斜。 每个齿的倾斜的前导面(120)与每个齿的后表面(122)上的倒角表面(124)相交,以形成具有负前角的弯曲切割边缘(130)。 通过首先形成多个粗糙的齿槽来制造斜面。 然后,在研磨倒角表面之前,通过冷成型操作,将粗糙的齿槽成形为倾斜的齿槽(110),以形成牙齿的弯曲切割面。
    • 19. 发明申请
    • SAWING TOOL FOR A MANUAL CIRCULAR SAWING MACHINE WITH COAXIAL SAW BLADES THAT CAN BE DRIVEN IN OPPOSITE DIRECTION
    • 锯木厂的玩具与反驱动的圆锯机,KOAXI ALEN锯片
    • WO02043911A1
    • 2002-06-06
    • PCT/DE2001/003751
    • 2001-09-29
    • B27B33/02B23D45/16B23D61/02B23D61/04
    • B23D45/165B23D61/026Y10T83/9362
    • The invention relates to a sawing tool for a manual circular sawing machine comprising two coaxial saw blades (11, 11') that can be driven in opposite direction and that can rotate immediately past each other. The invention aims at enabling a constructionally simple generation of an axial force in each of the saw blades (11, 11'), said force preventing the saw blades (11, 11') from pushing apart during the cutting process. The front cutting edge (161, 161') of each major cutting edge (16, 16') rotating in the direction of rotation lies on a plane extending through the axis of the saw blades (18, 18'). The major cutting edges (16, 16') are slanted in the direction of the axis of the saw blades (18, 81') in such a manner that they tilt from the sides of the blades of the saw blades (11, 11') that face each other to the sides of the blades that are opposite each other.
    • 在锯切工具用于圆锯机具有两个彼此直接旋转经过一个,其可在相反的方向被驱动,同轴锯片(11,11“)是在结构上简单地产生的按压开的锯片(11,11”)相对的切割操作中,在轴向力上的每个叶片( 11,11“),在所述切削刃(161,161的旋转方向前方”各自主切削刃(16,16)“中的一个)(由锯片轴18,18”)延伸的平面中,并且所述主切削刃(16,16“)是在方向 锯片轴线(18,81“),这样倒角,使得它们的锯片(11,11的表面片材侧的”滴)在相互远离的侧片(图5)。