Highest MRR for Die Sinking EDM on Copper, Steel, Aluminum

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SUMMARY

The discussion centers on determining the material that provides the highest Material Removal Rate (MRR) when using die sinking Electrical Discharge Machining (EDM) with a copper tool. Participants concluded that aluminum yields the highest MRR, followed by copper, and then stainless steel, primarily due to aluminum's lower melting point. Additionally, copper exhibits the lowest Tool Wear Rate (TWR) because of its minimal electrical resistivity, making it advantageous in EDM processes.

PREREQUISITES
  • Understanding of die sinking Electrical Discharge Machining (EDM)
  • Knowledge of material properties, specifically melting points and electrical resistivity
  • Familiarity with Material Removal Rate (MRR) and Tool Wear Rate (TWR) concepts
  • Experience with machining processes involving copper, aluminum, and stainless steel
NEXT STEPS
  • Research the effects of melting points on MRR in die sinking EDM
  • Explore the relationship between electrical resistivity and TWR in EDM applications
  • Investigate advanced EDM techniques for optimizing machining of aluminum
  • Learn about the latest tools and technologies in die sinking EDM for various materials
USEFUL FOR

Manufacturing engineers, machinists, and anyone involved in optimizing EDM processes for different materials, particularly those working with copper, aluminum, and stainless steel.

salah haddad
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hi guys,
which one of those material you think it should give highest material removal rate by using die sinking EDM.

the tool is copper and workpiece are
1. copper
2. stainless steel
3. aluminum

lets assume the same input parameters will be used for those three material

thank you
 
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salah haddad said:
hi guys,
which one of those material you think it should give highest material removal rate by using die sinking EDM.

the tool is copper and workpiece are
1. copper
2. stainless steel
3. aluminum

lets assume the same input parameters will be used for those three material

thank you

Welcome to the PF.

What do you think is the right answer and why? :smile:
 
Thanks.
my answer is that the highest MRR should be achieved from Aluminum then copper then the stainless steel the reason for this is that Aluminum has the lowest melting point compared with others
And regarding the TWR i think when we machine copper we get the lowest TWR because the electrical resistivity for copper is the least one.
just want to make sure my answer is correct or not?
 

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