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Drilling Machine History: Drilling Machine Definition: Drilling Machine working principle: Drilling Machine Parts: Drilling Machine Specification: Cutting Speed Evolution of Radial Drilling Machine - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. It is credited to Arthur James Arnot and William Blanch Brain of Melbourne, Australia who patented the electric drill in 1889.[13] In 1895, the first portableThis structure will be employed here in the evolution of diamond drills. From that point on the further development of drilling machines divided along Drilling machine is one of the most important machine tools in a workshop. It was designed to produce a cylindrical hole of required diameter and depth on metal Drilling Machine PDF:Radial Drilling Machine, Types, Working Principle,Parts, Mechanism Drilling Machine: It is a machine which is used to drill the holes on PURPOSE. This chapter contains basic information pertaining to drilling machines. A drilling machine comes in many shapes and.