Question
Download Solution PDFThe effect of hardness of the work material:
This question was previously asked in
MPPGCL JE ME 19 March 2019 Official Paper
Answer (Detailed Solution Below)
Option 3 : decreases its machinability.
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Detailed Solution
Download Solution PDFExplanation:
- A work material having a low hardness and low work-hardening rate produces small cutting forces and low contact pressure at the tool–chip interface, consequently causing a low temperature rising at the cutting region, hence, showing good machinability.
- Low hardness values make a material easier to machine.
- So, option 3 is correct.
Last updated on May 29, 2025
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