Gun Drilling

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Gun drilling is the oldest method for deep hole cutting, first used in the manufacture of gun barrels. It was developed specifically for deep hole cutting. Deep hole cutting is defined as a hole with a depth to diameter ratio … Read More

BTA drilling

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BTA stands for Boring and Trepanning Association, who are the originators of this method for deep hole drilling. The BTA drilling process, also known as STS or single tube system, requires a supply of high pressure coolant and uses a … Read More

Ejector Drilling

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Ejector drilling is one of three major methods for deep hole drilling (defined by a ratio of depth to diameter that exceeds five), along with gun drilling and BTA/STS drilling. The setup for ejector drilling includes a pair of concentric … Read More

Deep Hole Drilling

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Deep hole drilling is a manufacturing process for drilling holes that a deeper than conventional machining equipment can adequately achieve. This process is used in a variety of industries, such as exploration equipment in the oil and gas industry, engines, … Read More

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