Effect of end cutting edge angle on tool life Consider the end cutting edge angle in single-point turning tools and its influence on edge rubbing and heat. State how a larger end cutting edge angle affects tool life.
Mechanical Engineering
Production Engineering
Difficulty: Easy
Choose an option
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AIncreases tool life
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BDecreases tool life
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CHas no effect on tool life
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DAlways reduces wear-land width but shortens life
Answer
Correct Answer: Increases tool life
Explanation
Concept/ApproachA larger end cutting edge angle reduces rubbing of the end flank against the newly machined surface, lowering frictional heating and wear.
Step-by-step reasoning• Larger angle → better end clearance → less contact/rubbing.• Less heat at the end flank → slower wear progression → longer life.
Final AnswerIncreases tool life