Bit and drill guideFrank, Pyron
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答案解析 查看更多优质解析 解答一 举报 Drill Guide是钻孔引导层,PCB板上会显示设置的钻孔信息,Keep out是禁止布线层,用来设置电气边界. Drill Drawing 按X 、Y 轴的数值定位,画出的整块印制板所需钻孔的位置图. 解析看不懂?免费查看同类题视频解析查看解答 ...
If you need to drill wood, plastic, metal, or concrete we have the drills and the drill bit sizes you need to get the job done.
那两个层是做Gerber文件给PCB板厂的，用于PCB制作，出Gerber文件才用到。钻也有两类：金属化孔和非金属化孔，金属化孔是焊盘的一种，放在MultiLayer层；非金属化孔不在PCB走线中，可以放在机械层，就是你说的在“Mechanical 1”上画个圆(给PCB板厂时最好另外说明）。
With smaller diameter drill bits though, I tend to find you’re restricted to what’s at the shop. For high speed cordless drills this isn’t too bad. You can often get away with a shoddy drill bit, and use the speed to whizz it through. ...
GG1---DrillGuide （钻孔引导层）” 从图上来说，是“+” 十字加号，是定位孔中心位置的。不同大小的孔加号大小也不一样。D1---DrillDrawing （钻孔图层）： 这个是对钻孔进行分类别的，比如 0.5MM 的孔用 A表示，0.6MM的孔用 B 表示等，类似。NC DRILL FILES ： 在PCB 行业叫钻带文件，...
United States Patent US5833693 Note: If you have problems viewing the PDF, please make sure you have the latest version ofAdobe Acrobat. Back to full text
With the included 112 mm center punch and your workshop hammer, you can clearly mark the drill holes. The pre-drill bit inserted into the marking keeps the position, so that you can hold the base body by hand alone for drilling. However, the 75 x 75 mm base body can also be secured...
答案解析 查看更多优质解析 解答一 举报 Drill Guide是钻孔引导层,PCB板上会显示设置的钻孔信息,Keep out是禁止布线层,用来设置电气边界. Drill Drawing 按X 、Y 轴的数值定位,画出的整块印制板所需钻孔的位置图. 解析看不懂?免费查看同类题视频解析查看解答 ...