Metal Machining: Theory of Milling
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Metal Machining: Theory of Milling

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@GreatHawkSEye

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Questions and Answers

In a plain milling machine, what movement is not possible in a horizontal plane?

  • Cross
  • Vertical
  • Longitudinal
  • Swivel (correct)

    • What distinguishes a universal milling machine from a plain milling machine?

  • High-speed spindle rotation
  • Ability to perform angular and helical milling operations (correct)
  • Fixed table orientation
  • Limited feeding directions

    • What type of milling machine has the cutter spindle positioned vertically?

  • Drum type milling machine
  • Horizontal bed milling machine
  • Universal vertical milling machine (correct)
  • Turret ram type milling machine

    • What distinguishes a peripheral milling operation from a face milling operation?

    <p>In peripheral milling, the cutting edges are on the outside periphery of the cutter, while in face milling, they are on the end and outside periphery.</p> Signup and view all the answers

    What is the main function of an arbor in milling operations?

    <p>To mount and key cutters that have a bore at the center in milling machines.</p> Signup and view all the answers

    What is a defining feature of a universal milling machine compared to other types of milling machines?

    <p>It has a knee that can be adjusted up and down for vertical alignment of the spindle.</p> Signup and view all the answers

    What is the formula to convert spindle rotation speed to spindle velocity in milling?

    <p>V = 7.1πD</p> Signup and view all the answers

    How is the feed rate in milling calculated when given the feed per cutter tooth?

    <p>fr = NtNf</p> Signup and view all the answers

    What is the formula to determine the material removal rate in a slab-milling operation?

    <p>RMR = wdf𝑟</p> Signup and view all the answers

    How is the approach distance calculated to fully engage the cutter in a slab cutting operation?

    <p>A = d(D-d)</p> Signup and view all the answers

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