Drilling machine, drilling the basic manufacturing process The work is simple, simple, complex, but very important, especially in the metal working. Drilling is the process of machining the work material. Using a drill.Such as steel window and door hinges attached door lock house, as well as the bicycle parts. รถยนต์ต่าง. A hole for mounting a lot in making a hole workpiece can do with many kinds of machinery Such as drilling holes on lathe.Etc. but in drilling hole, saving, fast and most widely used is the most ด้วยเครื่อง hole drilling. Therefore, mechanical basis to say in this chapter. Are drill machines.
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