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Gear hobbing produces more accurate gears then milling because in hobbing

        (a) There is a continuous indexing operation

        (b) Pressure angle is larger than in milling

        (c) Hob and work piece both are rotating

        (d) A special multi-tooth cutter (hob) is used

1 Answer

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answered by (140 points)
when the required tooth depth is achieved in hobbing all three motion are started simulataneously thereforeC
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