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Note for Machine Tools - MT By JNTU Heroes

  • Machine Tools - MT
  • Note
  • Jawaharlal Nehru Technological University Anantapur (JNTU) College of Engineering (CEP), Pulivendula, Pulivendula, Andhra Pradesh, India - JNTUACEP
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MACHINING OPERATIONS AND MACHINE TOOLS 1. Turning and Related Operations 2. Drilling and Related Operations 3. Milling 4. Machining & Turning Centers 5. Other Machining Operations 6. Shape, Tolerance and Surface Finish 7. Machinability 8. Selection of Cutting Conditions 9. Product Design Consideration 1

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1. Turning & Related Operations • Turning – a machining v Rotational Speed: N = process in which a πDo single-point tool remove Do − D f = 2d material from the Feed rate: f r = Nf surface of a rotating L work piece. (Lathe) Time of machining: Tm = Material Removal Rate: Do v Df fr MRR = vfd d L f 2

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Operations related to Turning Contour turning Facing Taper turning Cutoff Threading Chamfering Form turning Boring Drilling Knurling 3

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Work Holding • Mounting between two centers (Dog & Live center) • Chuck • Collet • Face plate 4

Lecture Notes