Search Results for: Drilling machine tool numerically controlled
submit other answers - - : : cemented carbide gun drill, also known as deep hole drilling, represents advanced and efficient hole processing technology. it can not only be used to process deep hole (diameter length ratio : ), but also can be used to process shallow hole (diameter length ratio : ). it
is welded by three parts of drill stem, drill rod and drill bit, and there is a through hole in the middle, which is suitable for drilling cast iron, carbon steel, copper, aluminum alloy and alloy steel. the gun drill wear, timely correct grinding, the blade must be in the universal cutter grinder or...
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