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1. 发明授权

US4470945A Method and apparatus for applying an electron beam drilling backer to a metal sheet 失效
标题翻译：将电子束钻井支撑件应用于金属板的方法和装置
公开(公告)号：US4470945A
公开(公告)日：1984-09-11
申请号：US361664
申请日：1982-03-25
申请人： Curtiss G. Howard , Lester W. Jordan , Chester E. Yaworsky , Frank L. Zampino
发明人： Curtiss G. Howard , Lester W. Jordan , Chester E. Yaworsky , Frank L. Zampino
IPC分类号： B05D1/40 , B23K15/00 , B23K15/08 , B29D9/04
CPC分类号： B23K15/08 , B05D7/14 , B23K15/0066 , B05D3/0493 , B23K2201/18 , B23K2203/14 , Y10T29/49805 , Y10T29/49812
摘要： Disclosed is a method and fixture for applying a thin layer of polymer material to a piece of wavy sheet metal, so that the layer may function as a backer during electron beam drilling. The sheet is drawn to the smooth surface of a fixture using a vacuum, and polymer is flowed across the surface using a curved leveling board, which produces a generally uniform thickness molding. The edges of the backer are molded with a bevel edge by shaped side rails, to provide a relief around the edge of the backer layer. Thus a raised up portion usually occuring at the edge rail will not interfere with the precise spacing which the backer is intended to produce between the sheet and the workpiece holder during electron beam drilling.
摘要翻译：公开了一种用于将薄层聚合物材料施加到一块波浪形金属片上的方法和夹具，使得该层可以在电子束钻孔期间用作支撑体。使用真空将片材拉伸到固定装置的光滑表面，并且聚合物使用弯曲的调平板流过表面，其产生大致均匀的厚度成型。支撑件的边缘通过成形的侧轨成型为具有斜边的边缘，以在靠背层的边缘周围提供一个浮雕。因此，通常在边缘轨道处产生的升高部分将不会干扰在电子束钻孔期间衬垫在片材和工件保持器之间产生的精确间隔。

2. 发明授权

US4484058A Electron beam hole drilling apparatus 失效
标题翻译：电子束孔钻机
公开(公告)号：US4484058A
公开(公告)日：1984-11-20
申请号：US361665
申请日：1982-03-25
申请人： Curtiss G. Howard , Lester W. Jordan , Chester E. Yaworsky , Frank L. Zampino
发明人： Curtiss G. Howard , Lester W. Jordan , Chester E. Yaworsky , Frank L. Zampino
IPC分类号： B23K15/08 , B23K15/00
CPC分类号： B23K15/085
摘要： When drilling very small diameter holes in workpieces, there is a great tendency for expulsed workpiece material to travel back along the electron beam path, and to deposit as debris within the interior of the gun. The debris is caused to mostly land at a recess in the rim of a rotatable interior shield, positioned adjacent the beam path inside the gun. The deflection angle of the electron beam is precisely adjusted so that the expulsed workpiece material lands in the recess, from when it is removed by a scraper. A tab is placed within the recess at the rim of the shield, and helps remove small amounts of deposit which still adhere to stationary parts of the electron beam gun system adjacent to the shield. In this embodiment, a resilient scraper such as a wire brush, is used to remove adhering debris from the rim of the shield.
摘要翻译：当在工件上钻出非常小的直径的孔时，排出的工件材料沿着电子束路径返回的倾向很大，并且作为碎屑沉积在枪的内部。造成碎片大部分落在位于枪内的射束路径附近的位于可旋转内部护罩的边缘的凹部处。精确地调整电子束的偏转角，使得被刮除的工件材料从其被刮刀去除时落在凹部中。一个突片放置在屏蔽边缘的凹槽内，有助于去除少量沉积物，这些沉积物仍然附着在与屏蔽层相邻的电子束枪系统的静止部分上。在该实施例中，使用诸如钢丝刷的弹性刮刀来从屏蔽件的边缘去除附着的碎屑。

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