Examination of surface roughness of holes of plastic parts drilled under cryogenic cooling conditions

23rd International Conference on Manufacturing

Varga, G.^1 ; Ravai-Nagy, S.^2 ; Szigeti, F.^3

Institute of Manufacturing Science, University of Miskolc, Miskolc - Egyetemváros, Hungary^1

Department of Engineering and Management of Technology, Faculty of Engineering, Technical University of Cluj-Napoca, Dr. V. Babes 62/A, Baia Mare, Romania^2

Institute of Engineering and Agricultural Sciences, University of Nyíregyháza, Kótaji u. 9-11, Nyíregyháza, Hungary^3

关键词: Cryogenic cooling;    Cutting speed;    Drilled holes;    Factorial experiment;    Feed-rates;    Low temperatures;    Machining performance;    Solid carbon;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/448/1/012065/pdf
DOI  :  10.1088/1757-899X/448/1/012065

来源: IOP

【 摘 要 】

Machining performance can be improved by cooling with cryogenic assistance. This paper focuses on the influence of cryogenic cooling conditions using dry ice, solid carbon dioxide when drilling of PE-HD1000 plastic parts. The goal was to determine how the surface roughness of the drilled hole changes as a function of the cutting speed and the feed rate at room temperature and when cryogenic cooling is applied. The function relations were determined using Factorial Experiment Design. Improvement of the machinability of low temperature drilling results the improvement of roughness of the drilled hole.