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PCB打样中Drill_drawing放焊盘

( 2019-03-26 阅读 18419 )

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<p>						</p><p><span style="font-family: 微软雅黑; font-size: 18px; letter-spacing: 0px;">下图</span><span style="font-family: 微软雅黑; font-size: 18px; letter-spacing: 0px;">Drill drawing放焊盘，目的是<a href="https://www.sz-jlc.com" target="_blank" title="线路板打样，PCB打样，线路板制作">PCB打样</a>的时候，开长条金属化槽孔用。</span><br/></p><p><img title="1553589299387000663.png" alt="1.png" src="/uploadfiles/image/20190326/1553589299387000663.png"/></p><p><strong><span style="letter-spacing: 0px; font-family: 微软雅黑; font-size: 18px;"><span style="font-family: 微软雅黑;">后果</span>,如右图键头指的收到的</span></strong><a title="PCB电路板" href="https://www.sz-jlc.com/"><span style="text-decoration: underline;"><span style="color: rgb(0, 0, 255); letter-spacing: 0px; font-family: 微软雅黑; font-size: 18px;">PCB电路板</span></span></a><strong><span style="letter-spacing: 0px; font-family: 微软雅黑; font-size: 18px;"><span style="font-family: 微软雅黑;">打样后不见开长条金属槽。</span></span></strong></p><p><strong><span style="letter-spacing: 0px; font-family: 微软雅黑; font-size: 18px;"><span style="font-family: 微软雅黑;"><img title="1553589339984092695.png" alt="2.png" src="/uploadfiles/image/20190326/1553589339984092695.png"/></span></span></strong></p><p><br/></p><p style="margin: 5px 0px; text-indent: 0px;"><strong><span style="letter-spacing: 0px; font-family: 微软雅黑; font-size: 18px;"><span style="font-family: 微软雅黑;">肯定是找加工商呀，我有做一个形状咱没开槽呢？</span></span></strong></p><p style="margin: 5px 0px; text-indent: 0px;"><strong><span style="letter-spacing: 0px; font-family: 微软雅黑; font-size: 18px;"><span style="font-family: 微软雅黑;">软件规则</span>Drill drawing放焊盘是无法识别的，用线绘出来或者用FILL（填充块）表示也能识别如下图：</span></strong></p><p><img title="1553589386196010745.png" alt="3.png" src="/uploadfiles/image/20190326/1553589386196010745.png"/></p><p><span style="letter-spacing: 0px;"><br/></span></p><p><br/></p><p style="margin: 5px 0px; text-indent: 0px;"><span style="letter-spacing: 0px; font-family: 微软雅黑; font-size: 18px;"><span style="font-family: 微软雅黑;">生成</span>GERBER文件看效果</span></p><p><img title="1553589416427089854.png" alt="4.png" src="/uploadfiles/image/20190326/1553589416427089854.png"/><span style="letter-spacing: 0px;"></span><br/></p><p><br/></p><p style="background: rgb(255, 255, 255); margin: 0px; padding: 0px; line-height: 35px; text-indent: 0px;"><span style="color: rgb(255, 0, 0); letter-spacing: 0px; font-family: 微软雅黑; font-size: 18px;"> </span><span style="color: rgb(255, 0, 0); letter-spacing: 0px; font-family: 微软雅黑; font-size: 24px;"><span style="font-family: 微软雅黑;">重点强调</span></span><span style="color: rgb(51, 51, 51); letter-spacing: 0px; font-family: 微软雅黑; font-size: 24px;"><span style="font-family: 微软雅黑;">下</span>,上图用</span><span style="color: rgb(255, 0, 0); letter-spacing: 0px; font-family: 微软雅黑; font-size: 24px;"><span style="font-family: 微软雅黑;">线</span></span><span style="color: rgb(51, 51, 51); letter-spacing: 0px; font-family: 微软雅黑; font-size: 24px;"><span style="font-family: 微软雅黑;">或</span></span><span style="color: rgb(255, 0, 0); letter-spacing: 0px; font-family: 微软雅黑; font-size: 24px;">FILL填充块</span><span style="color: rgb(51, 51, 51); letter-spacing: 0px; font-family: 微软雅黑; font-size: 24px;"><span style="font-family: 微软雅黑;">画出形状这种画法是</span></span><span style="color: rgb(255, 0, 0); letter-spacing: 0px; font-family: 微软雅黑; font-size: 24px;"><span style="font-family: 微软雅黑;">不可取</span></span><span style="color: rgb(51, 51, 51); letter-spacing: 0px; font-family: 微软雅黑; font-size: 24px;"><span style="font-family: 微软雅黑;">，只是想解析</span>PAD焊盘这个层是无法识别。</span></p><p><strong><span style="letter-spacing: 0px; font-family: 微软雅黑; font-size: 18px;"><span style="font-family: 微软雅黑;"><br/></span></span></strong></p><p><strong><span style="letter-spacing: 0px; font-family: 微软雅黑; font-size: 18px;"><span style="font-family: 微软雅黑;"></span></span></strong></p><p style="background: rgb(255, 255, 255); margin: 0px; padding: 0px; line-height: 35px; text-indent: 0px;"><strong><span style="color: rgb(51, 51, 51); letter-spacing: 0px; font-family: 微软雅黑; font-size: 18px;">Protel99SE</span></strong><strong><span style="color: rgb(255, 0, 0); letter-spacing: 0px; font-family: 微软雅黑; font-size: 18px;"><span style="font-family: 微软雅黑;">金属槽孔</span></span></strong><strong><span style="color: rgb(51, 51, 51); letter-spacing: 0px; font-family: 微软雅黑; font-size: 18px;"><span style="font-family: 微软雅黑;">做法：</span></span></strong></p><p style="background: rgb(255, 255, 255); margin: 0px; padding: 0px; line-height: 35px; text-indent: 0px;"><strong><span style="color: rgb(74, 74, 74); letter-spacing: 0px; font-family: 微软雅黑; font-size: 18px;"><span style="font-family: 微软雅黑;">正确画法是</span>Protel 99 SE设计长条槽采取下图，用Pad一个个孔叠加成一个长条槽。</span></strong></p><p style="background: rgb(255, 255, 255); margin: 0px; padding: 0px; line-height: 35px; text-indent: 0px;"><strong><span style="color: rgb(74, 74, 74); letter-spacing: 0px; font-family: 微软雅黑; font-size: 18px;"><span style="font-family: 微软雅黑;">虽画时需要点时间，但这个成品就是您所要的效果，因软件自身有限请按下图规范化设计</span></span></strong></p><p style="margin: 5px 0px; text-indent: 0px;"><span style="letter-spacing: 0px; font-size: 16px;"><span style="font-family: sans-serif;">需要用</span>PAD磊成槽, Protel99SE这个软件就是这样的,没有这个功能,  只有手动一个个放PAD成形槽的。</span></p><p style="margin: 5px 0px; text-indent: 0px;"><span style="letter-spacing: 0px; font-size: 16px;"><span style="font-family: sans-serif;">槽孔</span>:钻槽(孔内有铜)大小范围≥0.65MM,  铣槽(孔内无铜)大小范围≥0.8MM,槽孔也可简称连孔。槽刀与钻咀有何区别呢?</span></p><p style="margin: 5px 0px; text-indent: 0px;"><span style="letter-spacing: 0px; font-size: 16px;"><span style="font-family: sans-serif;">在钻连孔时是极易断刀</span>,如采用钻咀连孔钻孔则更易断刀。槽刀设计的特点相对钻咀来说不易断刀,</span></p><p style="margin: 5px 0px; text-indent: 0px;"><span style="letter-spacing: 0px; font-size: 16px;"><span style="font-family: sans-serif;">因此在设计槽孔时不要小于</span>0.65MM,如小于0.65MM的槽孔如(图6),审单人员将退回订单修改。</span></p><p><img title="1553589457414038881.png" alt="5.png" src="/uploadfiles/image/20190326/1553589457414038881.png"/><strong><span style="letter-spacing: 0px; font-family: 微软雅黑; font-size: 18px;"><span style="font-family: 微软雅黑;"><br/></span></span></strong><br/></p><p><br/></p><p> </p><p><br/></p><p>
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