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公开(公告)号：EP0727276A3
公开(公告)日：1997-03-26
申请号：EP96300818.0
申请日：1996-02-07
IPC分类号： B23Q5/04
CPC分类号： B23Q5/048 , B23Q2220/008 , Y10T279/16 , Y10T408/66 , Y10T408/90993 , Y10T408/94
摘要： A speed-increasing spindle device comprises a device main body (1) and shank (2), capable of using a coupling bolt (41) of large diameter, high rigidity, and sufficient strength. The head (41 a) of the coupling bolt (41) is rotatably engaged in a bolt head engaging part (42) provided at one side of the device main body (1) and shank (2), while the threaded part (41b) of the coupling bolt (41) is engaged with a screw hole (43) provided at the other side of the device main body (1) and shank (2). An engaging part (5a) for a rotary operation tool is provided on an outer end plane in the axial direction of the coupling bolt (41) and addresses the outside through the insertion hole (58) of the shank (2). The bolt head engaging part (42) has a bolt head accommodating space (56) larger than the maximum hole diameter permitted in the shank (2) in terms of strength, and therefore the shaft diameter of the coupling bolt (41) may be set, at least, as large as the maximum hole diameter of the shank (2).
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公开(公告)号：EP0727276B1
公开(公告)日：2004-05-19
申请号：EP96300818.0
申请日：1996-02-07
IPC分类号： B23Q5/04
CPC分类号： B23Q5/048 , B23Q2220/008 , Y10T279/16 , Y10T408/66 , Y10T408/90993 , Y10T408/94
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公开(公告)号：EP0727276A2
公开(公告)日：1996-08-21
申请号：EP96300818.0
申请日：1996-02-07
IPC分类号： B23Q5/04
CPC分类号： B23Q5/048 , B23Q2220/008 , Y10T279/16 , Y10T408/66 , Y10T408/90993 , Y10T408/94
摘要： A speed-increasing spindle device comprises a device main body (1) and shank (2), capable of using a coupling bolt (41) of large diameter, high rigidity, and sufficient strength. The head (41 a) of the coupling bolt (41) is rotatably engaged in a bolt head engaging part (42) provided at one side of the device main body (1) and shank (2), while the threaded part (41b) of the coupling bolt (41) is engaged with a screw hole (43) provided at the other side of the device main body (1) and shank (2). An engaging part (5a) for a rotary operation tool is provided on an outer end plane in the axial direction of the coupling bolt (41) and addresses the outside through the insertion hole (58) of the shank (2). The bolt head engaging part (42) has a bolt head accommodating space (56) larger than the maximum hole diameter permitted in the shank (2) in terms of strength, and therefore the shaft diameter of the coupling bolt (41) may be set, at least, as large as the maximum hole diameter of the shank (2).
摘要翻译： 增速主轴装置包括装置主体（1）和柄（2），能够使用大直径，高刚性和足够强度的联接螺栓（41）。 联接螺栓（41）的头部（41a）可旋转地接合在设置在装置主体（1）和柄（2）的一侧的螺栓头接合部分（42）中，而螺纹部分（41b） 的连接螺栓（41）与设置在装置主体（1）和柄（2）的另一侧的螺纹孔（43）接合。 用于旋转操作工具的接合部分（5a）设置在联接螺栓（41）的轴向方向上的外端面上，并且通过柄（2）的插入孔（58）对着外部。 螺栓头接合部（42）具有螺栓头容纳空间（56），该螺栓头容纳空间（56）的强度大于杆（2）中允许的最大孔径，因此可以设置联接螺栓（41）的轴直径 至少与柄（2）的最大孔径一样大。
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