If the abrasive grain is viewed as a cutting tool, then which of the following represents the cutting parameters in common grinding operations?
A
Large negative rake angle, low shear angle and high cutting speed
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B
Large positive rake angle, low shear angle and high cutting speed
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C
Large negative rake anlge, high shear angle and low cutting speed
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D
Zero negative rake angle, high shear angle and high cutting speed
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Solution
The correct option is A Large negative rake angle, low shear angle and high cutting speed Large negative rake angle, low shear angle and high cutting speed