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1. 发明授权

US5238339A Machine tool for working flat workpieces 失效
标题翻译：用于工作平面工作的机床
公开(公告)号：US5238339A
公开(公告)日：1993-08-24
申请号：US748282
申请日：1991-08-21
申请人： Alfred Beer
发明人： Alfred Beer
IPC分类号： B27C9/00 , B23Q1/62 , B27B5/06 , B27B5/07
CPC分类号： B27B5/07 , B23Q1/621 , Y10T409/307112 , Y10T409/307728 , Y10T409/308288
摘要： The generally vertical, rectangular base frame (10) of the machine surrounds a support grate (14) with attachment members for the flat work pieces (8). A carrier (40) is moveable along two oppositely disposed frame sides (12) over the support grate, and a carriage (45) is moveable on the carrier (40), the carriage (45) carrying a work mechanism (50) equipped with at least one work tool spindle with its work tool axis directed toward the support grate (14). Feeding or positioning of the work mechanism (50) is accomplished by means of fixed and non-rotatably attached finely threaded feed spindles and associated rotatably drivable spindle nuts. The spindle nuts are each part of an associated feed device with a numerically controlled feed motor. Each of the feed spindles is attached to an associated one of the two frame sides (12) and the associated feed device is connected with one end of the carrier (40) through a bracket (42), the involved feed motors being synchronously controlled. A third feed spindle is attached to the carrier (40) and the associated feed device is connected with the carrier (45), the spindle and the feed device being located inside of the hollow profile of the carrier. The machine offers numerous and exact machining applications, especially milling and drilling operations.
摘要翻译：机器的大致垂直的矩形基架（10）围绕支撑炉篦（14），其具有用于扁平工件（8）的连接构件。托架（40）能够沿着两个相对布置的框架侧面（12）移动到支撑格栅上方，托架（45）可在托架（40）上移动，托架（45）承载工作机构（50）至少一个工作工具主轴，其工作工具轴线指向支撑格栅（14）。工作机构（50）的进给或定位通过固定和不可旋转地附接的细螺纹进给主轴和相关联的可旋转驱动的主轴螺母来实现。主轴螺母是具有数控进给马达的相关进给装置的每个部件。每个进给轴连接到两个框架侧面（12）中的相关联的一个，并且相关联的进给装置通过支架（42）与载体（40）的一端连接，所涉及的进给马达被同步控制。第三进料心轴附接到载体（40），并且相关联的进料装置与载体（45）连接，主轴和进料装置位于载体的中空轮廓的内部。该机器提供了许多精确的加工应用，特别是铣削和钻孔操作。

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