如线径为1.1mm,最大可接受的绝缘间隙不超过2.2mm
那麼1.6和1.4可以接受,2.25不可以接受.

________________________________
From: TGAsia [mailto:[log in to unmask]] On Behalf Of jim_li
Sent: Thursday, June 14, 2012 3:04 PM
To: [log in to unmask]
Subject: [TGAsia] IPC线束绝缘间隙问题请教

各位,,

有问题需要请教;

关于IPC标准中线束绝缘间隙的问题,可接受级别中“等于或小于包含绝缘皮在内的2倍的线径或1.5mm,两者取较大者”
这句话我的理解如下:
1)如线径为1.1mm,我实际量测的三根线束的绝缘间隙高度分别为:
     1.6mm
     1.4mm
      2.25mm
对于1.6mm,1.4mm的,我认为小于2倍的线径为可接受
对于的2.25mm的,我认为大于2倍的线径为不可接受
-----请老师告知这样理解是否正确?
2)如线径为1.1mm,那么我认为最大可接受的绝缘间隙不超过2.2mm
----请老师告知这样理解是否正确?
3)“等于或小于包含绝缘皮在内的2倍的线径或1.5mm,两者取较大者”这句话我认为是如果实际量测的绝缘间隙大于1.5mm,那么最大不能超过2倍的线径,如果实际量测的绝缘间隙小于1.5mm,就用1.4与1.5mm比较,最大不能超过1.5mm?
----请老师告知这样理解是否合理?为什么?

2012-06-14
________________________________
Jim  Li
QA Supervisor

Suzhou Etron Electronics Co.,Ltd
6 Chun Xing Rd.
Caohu Industry Park
Xiangcheng District,Suzhou,Jiangsu 215143 China
Tel:+86 512 65466838-8302
Mobile:13451621867
E-mail:[log in to unmask]<mailto:[log in to unmask]>
Web site:www.etron.cn<http://www.etron.cn/>


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