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Just as there are a great many types of holes to be produced in today’s complex workpieces, there are a great many types of holemaking processes. Finding the right cutting tool for each holemaking application is a matter of asking the right questions and getting good answers from a cutting tool supplier.
Achieving acceptable tool life and hole quality in a material such as CFRP demands a drill designed with composites in mind.
The Sunnen HTC-series tube honing system can impart accuracy-enhancing bore geometry and size (±0.00005 inch end-to-end) with a finish of 3 to 8 microinches Ra. This technology is critical for honing small-caliber barrels efficiently and precisely.
Fermer Precision machines a variety of precision parts from aluminum, cast iron, powdered metal, carbon steel and low-carbon steel for automobiles, firearms, medical products and train brake systems. The company relies on a Mori Seiki SV-500 and two OKK KVC 600 vertical machining centers for drilling, reaming and chamfering operations.
Vibration is at the heart of a variety of common problems in machining holes. Mathematical analysis is helping to bring about a better understanding of hole-making processes...including how these vibrations behave, and what steps to take to bring them under control.