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公开(公告)号：US20150336190A1
公开(公告)日：2015-11-26
申请号：US14651872
申请日：2013-12-12
发明人： Daniel William Davey
CPC分类号： B23F15/08 , B24B19/022 , F04C2/08 , F04C2/084 , F04C2/16 , F04C18/08 , F04C18/084 , F04C18/16 , F04C2230/10 , F04C2240/20 , Y10T409/107473
摘要： A method of machining, with a formed tool, a first rotor and a second rotor with mutually complementary meshing threads involves rotating a first workpiece about a longitudinal axis of the workpiece. The tool makes one or more passes along the longitudinal axis of the workpiece as the workpiece rotates so as to remove material, thereby forming the flanks of each helix of the first rotor's thread. The value of at least one of the parameters that collectively define the relative position and relative movement of the workpiece and formed tool is varied during each pass so as to vary the lead of the thread. The above steps are repeated for a second workpiece, thereby forming the second rotor. Adjustments are made to at least one of said parameters during one or more of the passes in order to maintain mutually complementary shapes of the threads of the rotors.
摘要翻译： 用成形工具加工具有相互互补啮合的螺纹的第一转子和第二转子的方法包括围绕工件的纵向轴线旋转第一工件。 当工件旋转时，工具沿着工件的纵向轴线进行一次或多次通过，以便去除材料，从而形成第一转子螺纹的每个螺旋的侧面。 共同限定工件和成形工具的相对位置和相对运动的参数中的至少一个的值在每次通过期间变化，以便改变螺纹的引线。 对于第二工件重复上述步骤，从而形成第二转子。 为了保持转子的螺纹的相互互补的形状，在一个或多个通过期间对至少一个所述参数进行调节。
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公开(公告)号：US09770772B2
公开(公告)日：2017-09-26
申请号：US14651872
申请日：2013-12-12
发明人： Daniel William Davey
CPC分类号： B23F15/08 , B24B19/022 , F04C2/08 , F04C2/084 , F04C2/16 , F04C18/08 , F04C18/084 , F04C18/16 , F04C2230/10 , F04C2240/20 , Y10T409/107473
摘要： A method of machining, with a formed tool, a first rotor and a second rotor with mutually complementary meshing threads involves rotating a first workpiece about a longitudinal axis of the workpiece. The tool makes one or more passes along the longitudinal axis of the workpiece as the workpiece rotates so as to remove material, thereby forming the flanks of each helix of the first rotor's thread. The value of at least one of the parameters that collectively define the relative position and relative movement of the workpiece and formed tool is varied during each pass so as to vary the lead of the thread. The above steps are repeated for a second workpiece, thereby forming the second rotor. Adjustments are made to at least one of said parameters during one or more of the passes in order to maintain mutually complementary shapes of the threads of the rotors.
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