4/3/2023 0 Comments Gun drill cutting parameters![]() ![]() ![]() 0015 ipr for your size drill with a standard grind. Not sure if that chip load could be sustained drilling to depth without causing chips to clog. Holes with a depth-to-diameter ratio of 20:1 or greater generally require dedicated equipment to achieve the highest productivity and process reliability, and can reach extreme ratios of 400:1 or greater. A gun drill is just required to reach the feature. Gun drilling can be done, with limited performance, on common CNC machines. Other industries include diesel fuel components, medical tooling, plastic injection molds, and more. The gundrilling process and tooling have been refined for maximum performance and use on modern, dedicated machinery. Firearms continue to be a common application for gundrilling. Gun drilling was initially developed for the manufacture of gun barrels, where both straightness and barrel durability were essential to properly functioning barrels. The gundrilling process is able to drill deep holes beyond what is possible with conventional machinery and tooling such as twist drills, by using high pressure coolant for clean chip exhaust, even at extreme depths. A gundrill tool differs from a conventional twist drill by its unique head geometry a standard gundrill has a single effective cutting edge that removes chips as it advances into a metal workpiece. Gun drilling is effective in diameters from 1 – 50 mm. ![]() Gundrilling is a deep hole drilling process that uses a long, thin cutting tool to produce holes in metal at high depth-to-diameter ratios. ![]()
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