A 6 mm thick sheet is rolled to 3 mm with a pair of rollers having diameter 300mm. The friction coefficient at the work roll interface is 0.1, the maximum number of passes required ____Correct answer is '2'. Can you explain this answer?

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A 6 mm thick sheet is rolled to 3 mm with a pair of rollers having diameter 300mm. The friction coefficient at the work roll interface is 0.1, the maximum number of passes required ____

Correct answer is '2'. Can you explain this answer?

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A 6 mm thick sheet is rolled to 3 mm with a pair of rollers having di...

Δh_max= µ2R

Δh_max = .1²× 150 = 1.5mm

Minimum no of passes n = Δhrequired/Δhmax = 3/1.5

Minimum no of passes n = 2

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A 6 mm thick sheet is rolled to 3 mm with a pair of rollers having diameter 300mm. The friction coefficient at the work roll interface is 0.1, the maximum number of passes required ____Correct answer is '2'. Can you explain this answer?

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