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1. 发明申请

US20080283262A1 Device and method for variable torque fastening 审中-公开
标题翻译：用于可变扭矩紧固的装置和方法
公开(公告)号：US20080283262A1
公开(公告)日：2008-11-20
申请号：US12149171
申请日：2008-04-28
申请人： Jin Ho Kim , Wan Su Han , Gwang Hyun Back
发明人： Jin Ho Kim , Wan Su Han , Gwang Hyun Back
IPC分类号： B23Q5/00
CPC分类号： B25B21/00 , B25B23/141 , B25B23/145
摘要： A device and method for variable torque fastening are capable of easily varying a tightening torque and are capable of automatically changing a tightening torque according to the sequence set by an operator. The variable torque fastening device includes a fastening unit having a drive shaft which is rotated by a motor, a driven shaft which is rotated by the drive shaft and is mounted with a fastening tool, a slip clutch which intermittently connects the drive shaft to the driven shaft, and a piston which moves forward and backward by an air pressure to press the slip clutch, a compressed air supply source which supplies compressed air to the fastening unit to press the piston, and an air pressure control unit which controls a pressure of the air that presses the piston.
摘要翻译：用于可变扭矩紧固的装置和方法能够容易地改变紧固扭矩，并且能够根据操作者设置的顺序自动改变紧固扭矩。可变扭矩紧固装置包括具有由电动机旋转的驱动轴的紧固单元，被驱动轴旋转并由紧固工具安装的从动轴，将驱动轴间歇地连接到被驱动的滑动离合器轴和通过空气压力向前和向后移动以推压滑动离合器的活塞，向紧固单元提供压缩空气以压缩活塞的压缩空气供应源，以及控制压力的气压控制单元按压活塞的空气。

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