The Proceedings of The Manufacturing & Machine Tool Conference
Online ISSN : 2424-3094
2019.13
Session ID : A30
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Examination of air cooling effect in small hole drilling of PEEK
*Shogo ITOMitsuyoshi NOMURATatsuya FUJIITsunehisa SUZUKI
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Abstract
Micro cutting technology is one of the important methods to fabricate micro-sized precision components in the semiconductor, electronics, and electro-mechanics industries. However, PEEK, which is a thermoplastic resin, has a problem that the hole accuracy is lowered due to the cutting heat. This paper describes drilling experiments with cooling on workpiece by cold air. As a result, it was found that cooling the workpiece is effective to suppressing the cutting heat and improve hole accuracy. Within the experimental conditions, the combination of non-step drilling and cooling enables high-precision drilling with approximately the same accuracy as step drilling.
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© 2019 The Japan Society of Mechanical Engineers
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