用於電路板鑽孔的微型鑽針(Micro-drill, or Drill bit)需求量非常龐大，為了能有效的降低材料成本而發展出複合式的微型鑽針，即微型鑽針的鑽部由硬度高的碳化鎢製成，只有夾持功能的鑽柄採用較便宜的不銹鋼材料。不過複合式微型鑽針會衍生出另一些課題，諸如：有效結合棒材的方式、棒材結合後或製成鑽針時偏擺程度的檢測等等問題皆必須加以研究。本文以複合式微型鑽針為主題，由(1)複合棒材的焊接製程、(2)焊接棒材製成鑽針鑽部的檢測、(3)棒材開槽成鑽針的鑽尖檢測三大部份對複合式微型鑽針的製造與檢測提出自動化焊接製程及鑽針自動化檢測的方法，並整合機構、驅動器及控制器完成實驗機台，由實驗的結果驗證了本文所提出自動化焊接及檢測方法具有可行性。

As the market of printed circuit boards (PCBs) is still growing, the demand of micro-drill (or drill bit), a tool of drilling for PCBs, is very considerable. To reduce the production cost of micro-drill, the composite micro-drill is developed, it is meaning the drill body is made by hardness material as WC and the shank is made by cheaper material as stainless steel. But this type micro-drill leads some new subjects, such as the composite material rod jointing method; run-out of composite material rod or run-out of the composite micro-drill etc. that should be studied. This thesis discusses the automation technology about manufacture and inspection of the composite micro-drill in next three topics: (1) the automatic brazing procedure of composite material rod for micro-drills, (2) the drill body auto-inspection method of the composite micro-drills, (3) the auto-inspection method of drill point defects of the composite micro-drills. To verify the methods provided, the mechatronics systems are built and test. The results of the tests show that the automation technology of auto-brazing and auto-inspection procedure in this thesis are work.

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