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    • 2. 发明授权
    • Method for producing threaded sections of threading tools
    • 螺纹刀具螺纹部分的制造方法
    • US4548000A
    • 1985-10-22
    • US564079
    • 1983-12-20
    • Erwin Junker
    • Erwin Junker
    • B23G5/06B23G1/36B24B3/18B24B5/04
    • B24B3/18B23G1/36
    • The threaded portion of a tap drill is formed by mounting a tool blank for rotation about a longitudinal axis and mounting first and second grinding wheels integrally for rotation about a common second longitudinal axis parallel to the longitudinal axis of the tool blank. The tool blank and a first grinding wheel are rotated about the respective longitudinal axes thereof while moved longitudinally with respect thereto, thereby employing grinding ribs of the first grinding wheel to form threads in the blank. The second grinding wheel then is moved closer to the blank and a smooth peripheral surface of the second grinding wheel grinds away outer portions of the threads at an end portion of the tool blank, thus forming a tapered starting end of the tool.
    • 挖掘钻头的螺纹部分通过安装用于围绕纵向轴线旋转的工具坯件而形成,并且一体地安装第一和第二砂轮以围绕平行于工具坯件的纵向轴线的公共第二纵向轴线旋转。 工具坯料和第一砂轮围绕其相应的纵向轴线旋转,同时相对于其纵向移动,由此采用第一砂轮的研磨肋在坯料中形成螺纹。 然后第二砂轮移动到更靠近坯料的位置,并且第二砂轮的光滑的周边表面在工具坯料的端部处磨掉螺纹的外部部分,从而形成工具的锥形起始端。
    • 3. 发明授权
    • Thread grinder
    • 螺纹磨床
    • US4393624A
    • 1983-07-19
    • US222501
    • 1981-01-05
    • Anthony Kushigian
    • Anthony Kushigian
    • B23G1/36B24B3/18B24B3/24B24B49/18B24B3/22
    • B24B3/18B24B49/18
    • A machine for grinding threads on a workpiece which is rotated in a workhead while the workhead is reciprocated by a table under a grinding wheel to form threads in the workpiece. To improve the accuracy with which the threads are formed, the workpiece and a grinding wheel dresser contact the grinding wheel on the same side of the wheel at points which are symmetrical to and on opposite sides of the centerline of the wheel which extends parallel to the path along which the wheel is fed into the workpiece. If a fluted workpiece is being ground to produce a tap, the threads may be relieved in accordance with either the United States or European convention.
    • 一种用于在工件上旋转的工件上的螺纹的工具,同时工件通过砂轮下方的工作台往复运动以在工件中形成螺纹。 为了提高形成螺纹的精度,工件和砂轮修整器在与车轮的中心线对称的位置处的砂轮的同一侧接触砂轮,该砂轮的中心线的平行于 车轮被送入工件的路径。 如果有槽的工件被磨碎以产生水龙头,则螺纹可以根据美国或欧洲惯例进行减压。