技术专栏
安邮票孔做邮票孔,孔径需要多大
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<img src=‘/uploadfiles/image/20210305/1614909725370018766.png’ title=‘1614909725370018766.png’ alt=‘image.png’/>
半孔大小范围:直径≥0.6MM,孔边到孔边≥0.6MM(单边焊环0.127mm以上,小于此参数工程会适当优化).
离边距离最低要2MM以上如下图:
https://www.jlc.com/portal/server_guide_70.html
