Railways Technical Ability Metal Forming, Casting and Cutting Question Bank Metal Cutting

  • question_answer Consider the following processes for gear manufacture:
    1. Milling with form cutter
    2. Rack type gear shaper (gear planer)
    3. Rotary gear shaper (gear shaper)
    4. Gear bobbing.
    The correct sequence of these processes in increasing order of accuracy of convolute profile of the gear is:

    A) 3, 2, 4, 1                      

    B) 2, 3, 4, 1

    C) 3. 2, 1, 4                      

    D) 2, 3, 1, 4

    Correct Answer: A


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