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Tool Wear Compensation in Micro-EDM

  • Rahul Nadda
  • Chandrakant Kumar NiralaEmail author
  • Probir Saha
Chapter
Part of the Materials Forming, Machining and Tribology book series (MFMT)

Abstract

This chapter accentuates the inherently persistent tool wear issue and its consequences in variants of micro-electro-discharge machining (µ-EDM). The consequences can be seen in the terms of deterioration of precision of the micro-holes and productivity. Although, the tool wear is well explored in μ-EDM and its variant processes, but a very limited efforts have been made to resolve this issue other side. A pulse discrimination system based-real-time tool wear compensation strategy in μ-EDM is anticipated to be a possible technique to get rid of the tool wear issue in μ-EDM drilling. In this regard, an approach which is basically a modification in the existing approach has been discovered and implemented to achieve the desired depth of the micro-hole(s). The proposed approach has been applied to two different work-tool material combinations and input parameters. The potentiality of the approach has been proven results by comparing it with that other trusted techniques like ‘uniform wear method’ (UWM).

Keywords

μ-EDM drilling Micro-holes Pulse discrimination system Real-time Uniform wear method 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Rahul Nadda
    • 1
  • Chandrakant Kumar Nirala
    • 1
    Email author
  • Probir Saha
    • 2
  1. 1.Department of Mechanical EngineeringIndian Institute of TechnologyRoparIndia
  2. 2.Department of Mechanical EngineeringIndian Institute of TechnologyPatnaIndia

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