Surface roughness analysis in high-speed drilling of unreinforced and reinforced polyamides

Author:

Gaitonde VN1,Karnik SR2,Rubio J Campos3,Abrão AM3,Correia A Esteves4,Davim J Paulo5

Affiliation:

1. Department of Industrial and Production Engineering, B. V. B. College of Engineering and Technology, Karnataka, India

2. Department of Electrical and Electronics Engineering, B. V. B. College of Engineering and Technology, Karnataka, India

3. Department of Mechanical Engineering, Universidade Federal de Minas Gerais, Belo Horizonte MG, Brazil

4. Department of Mechanical Engineering and Industrial Management, School of Technology, Polytechnic Institute of Viseu, Viseu, Portugal

5. Department of Mechanical Engineering, University of Aveiro, Aveiro, Portugal

Abstract

In this work, surface roughness study in high-speed drilling of unreinforced polyamide (PA6) and reinforced polyamide with 30% of glass fibers (PA66 GF30) using cemented carbide (K20) tool has been carried out. The experiments were planned as per full factorial design of experiments. The effects of cutting speed and feed rate on centerline average surface roughness, maximum peak to valley height, and peak counts have been analyzed by developing response surface methodology based third-order mathematical models. The parametric analysis clearly indicates the influence of reinforced fiber on surface finish when high-speed cutting in drilling is used.

Publisher

SAGE Publications

Subject

Materials Chemistry,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

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