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The TechniDrill TBTA-3A-6 is a deep-hole drilling machine using the BTA process (Boring & Trepanning Association). It can drill a 6-inch diameter hole from solid in a single pass and has 3-axis capability. The machine has applications in the aerospace, mold, and oil & gas industries.
The TBTA-3A-6 has 6 inches (152 mm) of BTA drilling capacity and 48 inches (1,219 mm) of drilling depth. The work table moves horizontally back and forth to provide the X-axis travel, and the drill slide moves vertically on a column to provide Y-axis travel. The spindle motor is available with up to 75 HP. The high-pressure coolant system is rated at 200 gallons/minute of coolant flow and 1,500 psi of coolant pressure.
TechniDrill deep hole drilling machines are designed and manufactured by Kays Engineering in Marshall, Missouri, USA.
Related Glossary Terms
- coolant
coolant
Fluid that reduces temperature buildup at the tool/workpiece interface during machining. Normally takes the form of a liquid such as soluble or chemical mixtures (semisynthetic, synthetic) but can be pressurized air or other gas. Because of water’s ability to absorb great quantities of heat, it is widely used as a coolant and vehicle for various cutting compounds, with the water-to-compound ratio varying with the machining task. See cutting fluid; semisynthetic cutting fluid; soluble-oil cutting fluid; synthetic cutting fluid.
- drilling machine ( drill press)
drilling machine ( drill press)
Machine designed to rotate end-cutting tools. Can also be used for reaming, tapping, countersinking, counterboring, spotfacing and boring.
- trepanning
trepanning
Drilling deep holes that are too large to be drilled by high-pressure coolant drills or gundrills. Trepanning generates a solid core and normally requires a big, powerful machine. Shallow trepanning operations can be performed on modified engine or turret lathes or on boring machines. See boring; drilling; spade drilling.
