Question:

Optimum rake angle for the single point cutting tool is generally considered as a function of:

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The rake angle should be adjusted based on the hardness and other properties of the work material to maximize cutting efficiency.
Updated On: May 22, 2025
  • Feed and depth of cut
  • Properties of the work material
  • Cutting speed
  • Cutting tool material
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The Correct Option is B

Solution and Explanation

Step 1: Understand rake angle.
The rake angle in cutting tools is the angle formed between the cutting face of the tool and the workpiece surface. An optimum rake angle improves cutting efficiency by reducing cutting forces and tool wear.
Step 2: Effect of material properties.
The rake angle is generally optimized based on the material properties of the workpiece. Softer materials benefit from larger rake angles, while harder materials require smaller rake angles to avoid tool wear and breakage.
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