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ISSN 2063-5346
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EFFECT OF HSS AND WC DRILL BITS ON FORM AND HOLE PRECISION IN Ti-6AL-4V DRILLING OPERATIONS

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Karaka VVNR Chandra Mouli, Y. Ramamohan Reddy, G. Ramakrishna
» doi: 10.31838/ecb/2023.12.s3.482

Abstract

In many manufacturing applications, the form and hole precision of a product can directly affect its functionality. High form and hole precision are key indicators of product quality. If a product is manufactured with low precision, it can lead to defects, errors, and a reduction in overall product performance. Manufacturing with high precision can help reduce waste and improve efficiency. By minimizing errors and producing high-quality products consistently, manufacturers can increase their throughput, reduce costs, and ultimately improve their bottom line. The aim of this study is to evaluate the differences in vibrations and form that are induced by using HSS and WC drill bits to perform drilling operations on Ti-6AL-4V work material. In the current study, measurements of form error in the work piece as well as vibrations of the tool that is being used throughout the drilling process are obtained. The diameter of the drill bits that were taken is 10 millimetres. The increasing frequency and vibration amplitude both lead to an increase in the amount of form error in the work material, as well as a displacement of the hole centre and a movement of the tool position away from its centre. Form error, such as the measurement of roundness is taken into consideration.

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