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21. 发明申请

US20060230609A1 System and method for programmable pogo self-piercing riveting 有权
标题翻译：可编程自动穿孔铆钉的系统和方法
公开(公告)号：US20060230609A1
公开(公告)日：2006-10-19
申请号：US11106103
申请日：2005-04-14
申请人： Pei-Chung Wang , Peter Sun , Robin Stevenson , Charles Wampler
发明人： Pei-Chung Wang , Peter Sun , Robin Stevenson , Charles Wampler
IPC分类号： B23P19/00 , B23P21/00
CPC分类号： B21J15/08 , B21J15/025 , B21J15/12 , B21J15/28 , B21J15/36 , Y10T29/49956 , Y10T29/53013 , Y10T29/53043 , Y10T29/5307 , Y10T29/5343 , Y10T29/5377
摘要： A system and method for self-piercing riveting including an alignment mechanism comprising laser diodes and sensors for facilitating alignment of a rivet gun and a back-up located on opposite sides of sheet metal parts to be joined, and an oscillation piercing technique for reducing force loads on structures, particularly robotic structures, carrying the rivet gun and the back-up.
摘要翻译：一种用于自穿孔铆接的系统和方法，包括对准机构，其包括激光二极管和传感器，用于促进铆钉枪的对准和位于待接合的金属板零件的相对侧上的支撑件，以及用于减小力的振动刺穿技术装载在结构上，特别是机器人结构，承载铆钉枪和后备。

22. 发明申请

US20050184031A1 Sheet-to-tube resistance spot welding using servo gun 失效
标题翻译：使用伺服枪的板对管电阻点焊
公开(公告)号：US20050184031A1
公开(公告)日：2005-08-25
申请号：US10785793
申请日：2004-02-24
申请人： Peter Sun , Pei-Chung Wang
发明人： Peter Sun , Pei-Chung Wang
IPC分类号： B23K11/00 , B23K11/11 , B23K11/25
CPC分类号： B23K11/255 , B23K11/002 , B23K11/115
摘要： A method of spot welding a sheet overlapped to a tube with a servomotor-driven electrode applying a clamping force to the sheet. Over a first clamping time interval, the clamping force is increased to a first force level, at which point a welding current is applied to weld the sheet and tube together for a welding time interval. The first force level is maintained for a second clamping time interval, after which the clamping force is reduced to a second force level over a third clamping time interval and is maintained for a fourth clamping time interval. The welding current is removed upon expiration of the welding time interval and the clamping force is simultaneously reduced over a fifth clamping time interval, after which the electrode is disengaged from the sheet. The reduction in clamping force during the welding cycle reduces cracking of the spot weld.
摘要翻译：利用伺服电动机驱动的电极对与片材重叠的片材进行点焊以对片材施加夹紧力的方法。在第一夹紧时间间隔内，夹紧力增加到第一力水平，此时施加焊接电流以在焊接时间间隔内将片和管焊接在一起。第一力水平保持第二夹紧时间间隔，此后夹紧力在第三夹紧时间间隔内减小到第二力水平，并保持在第四夹紧时间间隔。在焊接时间间隔期满后，焊接电流被去除，同时在第五夹持时间间隔内同时减少夹紧力，此后电极与片材脱离。焊接循环期间夹紧力的降低减少了点焊开裂。

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