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1. 发明授权

US4480410A Precision center lapping apparatus and method 失效
标题翻译：精密中心研磨装置及方法
公开(公告)号：US4480410A
公开(公告)日：1984-11-06
申请号：US418280
申请日：1982-09-15
申请人： Robbin Heimer , Thomas C. Shepard , Peter F. Lucier
发明人： Robbin Heimer , Thomas C. Shepard , Peter F. Lucier
IPC分类号： B24B5/14 , B24B37/02 , B24B53/04 , B24B9/00
CPC分类号： B24B53/017 , B24B37/02 , B24B5/14 , B24B53/04
摘要： A center lapping apparatus for precisely lapping center holes in opposite ends of the workpiece prior to outside diameter grinding of the workpiece includes a conical lapping stone and a dressing apparatus that supports a dressing stone for periodically dressing the lapping stone. Movement of the dressing stone during any dressing operation is confined to a plane in which an axis of symmetry of the lapping stone lies. A spring loaded pin disposed in a movable head of the dressing apparatus has a slightly tapered end which precisely fits in a stationary hole of a mounting bracket about which the movable head pivots. The tapered end of the spring loaded pin ensures that the dressing stone can always be returned to precisely the same position for a dressing operation despite wear of the spring loaded pin. A precise flat surface of the moveable head slides against a precision flat surface of the stationary plate during pivoting of the movable head. The flat surfaces are parallel to the plane in which movement of the dressing stone is confined.
摘要翻译：在工件的外径研磨之前，用于精确研磨工件的两端的中心孔的中心研磨装置包括圆锥形研磨石和修整装置，其支撑修整石以定期修整研磨石。在任何修整操作期间修整石的运动被限制在研磨石的对称轴所在的平面上。设置在修整装置的可移动头部中的弹簧加载销具有稍微锥形的端部，其精确地配合在可移动头枢转的安装支架的固定孔中。弹簧加载销的锥形端确保了修整石总是可以始终返回到精确相同的位置进行修整操作，尽管弹簧加载销的磨损。可移动头部的精确平坦表面在可动头部的枢转期间滑动固定板的精密平坦表面。平面平行于敷料石的运动受限制的平面。

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