BTA (Boring and Trepanning Association) drills are specialized cutting tools used for deep hole drilling applications. They are similar to gun drills, but with a different design and operating principle. BTA drills use a tube-like cutting tool with internal coolant delivery and chip removal capabilities, which enables them to create deep holes with diameters up to several inches in diameter, and up to several meters in length.
Unlike gun drills, which create chips that exit the hole through a flute or channel in the drill, BTA drills use a separate coolant channel to deliver coolant to the cutting edge and remove chips from the hole. This allows BTA drills to drill much deeper than gun drills without clogging or damaging the tool.
BTA drills are commonly used in industries such as oil and gas, aerospace, automotive, and medical manufacturing for drilling deep holes in materials such as metal alloys, composites, plastics, and ceramics. They are often used in conjunction with specialized equipment, such as deep-hole drilling machines, to ensure precision and accuracy in the manufacturing process.
In addition to deep hole drilling, BTA drills can also be used for trepanning, which is a process of cutting a circular hole or slot in the material, typically for machining rings or other cylindrical shapes. BTA trepanning tools can create precise and clean holes without burrs or distortion, making them suitable for applications where high accuracy and quality are required.
April 03, 2023
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