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改善阻焊溢油方法研究 被引量:4
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作者 彭春生 刘东 朱拓 《印制电路信息》 2014年第3期54-58,共5页
从分析"阻焊塞孔"在制造过程中产生"阻焊溢油"不良原因,及不同GERBER图形设计条件下使用不同的CAM工具入手,在采用专用的"塞孔油墨"的基础上,探讨通过优化"阻焊照片"、"塞孔铝片"为... 从分析"阻焊塞孔"在制造过程中产生"阻焊溢油"不良原因,及不同GERBER图形设计条件下使用不同的CAM工具入手,在采用专用的"塞孔油墨"的基础上,探讨通过优化"阻焊照片"、"塞孔铝片"为主,"树脂塞孔"工艺替代和"分段固化"为辅,达到预防和降低"阻焊溢油"不良的目的,从而提高PCB产品可靠性。 展开更多
关键词 阻焊塞孔 阻焊溢油 cam工具
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Development of tool-path generation module for 5-axis control machining of impellers 被引量:3
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作者 JUNG Hyoun-chul SON Hwang-jin JUNG Yoon-gyo 《Journal of Central South University》 SCIE EI CAS 2012年第12期3424-3429,共6页
An impeller is difficult to machine because of severe collision due to the complex shape,overlapping and twisted shape of the impeller blades.So,most computer aided manufacturing(CAM)software companies have developed ... An impeller is difficult to machine because of severe collision due to the complex shape,overlapping and twisted shape of the impeller blades.So,most computer aided manufacturing(CAM)software companies have developed CAM module for manufacturing impeller according to their CAM software.But these dedicated modules are difficult to use for inexperienced users.The purpose of this work is to develop a tool-path generation module for impellers.For this purpose,it is based on Visual Basic language and used CATIA graphical environment.The result of simulation for generated tool-path by the module is satisfactory.And it has slow processing speed compared to other commercial modules,but it is easy to use. 展开更多
关键词 IMPELLER computer aided manufacturing 5-axis control machining tool path MODULE
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