Manufacturing And Production Technology
The tool life in case of a grinding wheel is the time

Taken for the wheel to be balanced
Between two successive regrinds of the wheel
Taken between two successive wheel dressings
Taken for a wear of 1 mm on its diameter

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Manufacturing And Production Technology
In a shaper, the length of stroke is increased by

Increasing the centre distance of bull gear and crank pin
Increasing the length of the arm
Decreasing the centre distance of bull gear and crank pin
Decreasing the length of the slot in the slotted lever

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