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An Experimental Investigation of Cutting Forces in Hard Milling of H13 Steel under Different Cooling/Lubrication Conditions

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Abstract:

In the present research, an attempt has been made to experimentally investigate the cutting forces in hard milling of H13 steel with coated carbide tools under dry, MQL (minimum quantity lubrication) and MQCL (minimum quantity cooling lubrication) cutting conditions. Based on Taguchis method, four-factor (cutting speed, feed per tooth, radial depth of cut, and axial depth of cut) four-level orthogonal experiments were employed. It is found that the periodical fluctuation of the cutting forces caused by the variation of the undeformed chip thickness with the entry/exit of the cutting edge is an essential feature of the hard milling process. The empirical models for cutting forces are established, and ANOVA (analysis of variance) indicates that the quadratic models can well express the relationship between cutting forces and cutting parameters.

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Periodical:

Key Engineering Materials (Volumes 589-590)

Pages:

13-18

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.589-590.13

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Online since:

October 2013

Authors:

Song Zhang, Jian Feng Li, Hong Gang Lv, Wei Dong Chen

Keywords:

Cutting Force, Dry Cutting, H13 Steel, Hard Milling, Minimum Quantity Cooling Lubrication (MQCL), Minimum Quantity Lubrication (MQL)

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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