Experimental investigations on micro milling of stavax stainless steel

Date
2014
Advisor
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Source Title
Proceedings of the 6th CIRP International Conference on High Performance Cutting, HPC 2014
Print ISSN
2212-8271
Electronic ISSN
Publisher
Elsevier
Volume
14
Issue
Pages
377 - 382
Language
English
Type
Conference Paper
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Abstract

Micro mechanical milling of Stavax (modified AISI 420) stainless steel which is commonly used in the plastic injection molding industry due to its high corrosion resistance, machinability and wear resistance is studied in this paper. The goal of this study is to investigate the influence of process input parameters such as cutting speed, depth of cut, feed per tooth, radial immersion percentage, and plunging method on process outputs during circular pocketing operation. Tool wear, machining forces and surface roughness measurements are considered to identify the relationships between process inputs and outputs. It is observed that plunging method has a significant influence on tool wear which in turn affects micro milling forces and surface quality. The positive impact of micro milling with a pre-drilled hole is demonstrated. The relationship between radial immersion and feed per tooth is shown to be important in terms of tool wear and surface roughness.

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Keywords
Micro milling, Surface roughness, Tool wear, Corrosion resistance, Cutting tools, Mechanical alloying
Citation
Published Version (Please cite this version)