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  • Turning
    • Can Use:
      • Wood turning lathe
        • Cutting tools are held in hand
          • Rested on a toolrest
        • Work secured on faceplate
          • Or
            • Turned between centres
        • Ensure timber is free from knots before turning
      • Metalworking lathe
        • Work securely held in a chuck
          • Chuck is rotated
            • Cutting tool moved to reduce diameter
        • Work must be secure
          • Aligned properly
            • Too high
              • Cut inefficiently
            • Too low
              • Work attempt to ride up and over the tool and snap the cutting tip
        • Most important and versatile machine in the workshop
          • Can be used for a large number of tasks
            • Drilling holes in round material
            • Producing tapers
            • Producing threads in bars
    • Two basic processes:
      • Facing off
        • Smoothing end of a piece of material
      • Turning down
        • Reducing diameter of material
    • Two types of chuck:
      • 3 jaw self centering chuck
        • For holding round or hexagonal bars
      • 4 jaw independent chuck
        • Holds material of any cross section
    • Tool post
      • Where cutting tool is secured
        • Can be moved along the work (turning down)
          • Reduce diameter
        • Can be moved across the work (facing off)
          • Smooth down its end
      • Movement controlled by hand wheels


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