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1. 发明授权

US07089835B2 System and method for forming a non-rotationally symmetric portion of a workpiece 有权
标题翻译：用于形成工件的非旋转对称部分的系统和方法
公开(公告)号：US07089835B2
公开(公告)日：2006-08-15
申请号：US10612208
申请日：2003-07-02
申请人： James B. Bryan
发明人： James B. Bryan
IPC分类号： B23B7/14
CPC分类号： B24B13/06 , B24B11/00 , B24B49/10 , G05B2219/35116 , Y10T82/10 , Y10T82/16951 , Y10T82/2502
摘要： A method and control system for forming workpiece surfaces with at least a portion being non-rotationally symmetric (i.e., axis asymmetric) is provided. In one aspect, a slow tool servo system is provided to fabricate a surface having at least an axis asymmetric portion, and optionally, a superimposed axis symmetric asphere or spherical portion. A workpiece is mounted on a spindle and a tool is mounted to a translatable tabletop surface. The z position of the contact point of the workpiece and working tool is determined as a function of the x position of the same contact point and as a function of the angle of rotation of the spindle about the spindle axis. By making the z position of the contact point a function of both the angle of spindle rotation and the x position, the lateral and longitudinal position of the working tool can be moved at designated spindle rotation angles to form a surface having both axis asymmetric and axis symmetric asphere or spherical portions.
摘要翻译：提供了一种用至少一部分非旋转对称（即轴不对称）形成工件表面的方法和控制系统。在一个方面，提供了一种缓慢的工具伺服系统来制造具有至少一个轴不对称部分，以及任选的叠加的轴对称非球面或球形部分的表面。工件安装在主轴上，工具安装在可平移的桌面上。工件和加工工具的接触点的z位置根据相同接触点的x位置和主轴绕主轴轴线的旋转角度的函数确定。通过使接触点的z位置成为主轴旋转角度和x位置的函数，可以以指定的主轴旋转角度移动工作工具的横向和纵向位置，以形成具有两轴不对称和轴线的表面对称的非球面或球形部分。

2. 发明授权

US4435905A Telescoping magnetic ball bar test gage 失效
标题翻译：伸缩磁棒试验规
公开(公告)号：US4435905A
公开(公告)日：1984-03-13
申请号：US358084
申请日：1982-03-15
申请人： James B. Bryan
发明人： James B. Bryan
IPC分类号： G01B7/02 , G01B21/04 , G01B7/31
CPC分类号： G01B7/02 , G01B21/042 , Y10S33/01
摘要： A telescoping magnetic ball bar test gage for determining the accuracy of machine tools, including robots, and those measuring machines having non-disengageable servo drives which cannot be clutched out. Two gage balls (10, 12) are held and separated from one another by a telescoping fixture which allows them relative radial motional freedom but not relative lateral motional freedom. The telescoping fixture comprises a parallel reed flexure unit (14) and a rigid member (16, 18, 20, 22, 24). One gage ball (10) is secured by a magnetic socket knuckle assembly (34) which fixes its center with respect to the machine being tested. The other gage ball (12) is secured by another magnetic socket knuckle assembly (38) which is engaged or held by the machine in such manner that the center of that ball (12) is directed to execute a prescribed trajectory, all points of which are equidistant from the center of the fixed gage ball (10). As the moving ball (12) executes its trajectory, changes in the radial distance between the centers of the two balls (10, 12) caused by inaccuracies in the machine are determined or measured by a linear variable differential transformer (LVDT) assembly (50, 52, 54, 56, 58, 60) actuated by the parallel reed flexure unit (14). Measurements can be quickly and easily taken for multiple trajectories about several different fixed ball (10) locations, thereby determining the accuracy of the machine.
摘要翻译：用于确定包括机器人在内的机床精度的伸缩式磁球测试仪，以及具有不能脱离啮合的不可脱开伺服驱动器的测量机。两个量规球（10,12）通过伸缩夹具彼此保持和分开，这使得它们相对径向运动自由而不是相对的横向运动自由度。伸缩夹具包括平行的簧片弯曲单元（14）和刚性构件（16,18,20,22,24）。一个量规球（10）通过磁性插销转向节组件（34）固定，该组件相对于被测试机器固定在其中心。另一个量规球（12）由另一个磁性插销转向节组件（38）固定，该组合机构（38）由机器接合或保持，使得球（12）的中心被引导以执行规定的轨迹，其所有点与固定规格球（10）的中心等距。当移动球（12）执行其轨迹时，由机器中的不精确度引起的两个球（10,12）的中心之间的径向距离的变化由线性可变差动变压器（LVDT）组件（50 ，52,54,56,58,60）由所述平行舌簧弯曲单元（14）致动。对于几个不同的固定球（10）位置的多个轨迹，可以快速方便地进行测量，从而确定机器的精度。

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