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The speed ratio between the hob and the blank is
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Dec 24, 2017
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chandu
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A spur gear of 40 teeth is machined in agear hobbing machine using a double start hob cutter. The speed ratio between the hob and the blank is
(a) 1 : 20 (b) 1 : 40
(c) 40 : 1 (d) 20 : 1
ies-objectives-2
2003
production
machining-machine-tool-operation
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