Tool Wear Compensation in Micro-EDM

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


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).


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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