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Production

ASA Tool Signature - III

Consider the ...

Question

Consider the following statements with respect to the relief angle of cutting tool:
1. This affects the direction of chip flow.
2. This reduces excessive friction between the tool and workpiece
3. This affects tool life
4. This allows better access of coolant at the tool workpiece interface
Which of the statements given above are correct?

1

and

2

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2

and

3

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2

and

4

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3

and

4

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Solution

The correct option is B $2$ and $3$
For the relief angle of cutting tool:
2. This reduces excessive friction between the tool and workpiece
3. This affects tool life

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; Depth of cut

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= 0.7

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Linked Data:
In a orthogonal cutting experiment, an HSS tool having the following tool signature in the orthogonal reference system (ORS) has been used : $0 - 10 - 7 - 710 - 75 - 1$
Given: Width of cut $= 3.6 m m$ Shear strength of workpiece material $= 460 N / m m^{2}$ ; Depth of cut $= 0.25 m m$ Coefficient of friction at chip tool interface $= 0.7$

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The correct option is B 2 and 3For the relief angle of cutting tool: 2. This reduces excessive friction between the tool and workpiece 3. This affects tool life

The correct option is B $2$ and $3$
For the relief angle of cutting tool:
2. This reduces excessive friction between the tool and workpiece
3. This affects tool life