Title: Investigation on partitioned distribution of cutting heat and cutting temperature in micro cutting

Authors: Worapong Sawangsri; Kai Cheng

Addresses: Department of Mechanical Engineering, Faculty of Engineering, Kasetsart University, Chatuchak, Bangkok 10900, Thailand ' Institute of Materials and Manufacturing, College of Engineering, Design and Physical Sciences, Brunel University, Uxbridge UB8 3PH, UK

Abstract: Although the low cutting temperature and a small amount of heat generated are occurred in micro cutting, they are comparably high in a small unit cutting area or zone, and consequent affect the micro cutting process significantly. Thus, such low cutting temperature in micro cutting can cause an excessively dissipated heat into cutting process including chip, workpiece and especially diamond tool tip. This excessive heat leads to thermal effects and consequent severe tool wear or breakage, and therefore, poor quality of machined surfaces and products. This paper presents the scientific understanding of cutting temperature and heat partitioned distribution in micro cutting based on experimental investigation on cutting of titanium (Ti-6Al-4V), aluminum (AA6082-T6) and single crystal silicon. The further supported with FE-based simulations on aluminum (AA6082-T6) are conducted. The paper includes with research findings of the heat partitioned distribution on tool/tool tip against workpiece of aluminium, silicon and titanium cutting, respectively.

Keywords: cutting temperature; cutting heat partition; heat distribution; microcutting; diamond turning; micromachining; titanium alloys; Ti-6Al-4V; aluminum; single crystal silicon; simulation.

DOI: 10.1504/IJMMS.2016.076172

International Journal of Mechatronics and Manufacturing Systems, 2016 Vol.9 No.2, pp.173 - 195

Received: 08 Jun 2015
Accepted: 07 Dec 2015
Published online: 27 Apr 2016 *

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