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The basics procedure used for turning a bushing on lathe are:

  • Material is inserted and tightened into the chuck so it protrudes about 10mm over the actual length of the final bushing length
  • If the material is not hollow bar, a drill is inserted into the tail stock then the material is drilled to enable the a boring bar to fit the hole
  • A roughing tool is inserted into the tool post then the face of the workpiece is machined smooth and the outside diameter to about 0.5mm oversize
  • A roughing boring bar is inserted into the tool post and the inside diameter is machined to roughly 0.5mm undersize
  • A finishing tool is then inserted into the tool post then first the face and then the outside diameter of the workpiece is machined to the required size
  • At this point a finishing boring bar is inserted into the tool post and the inside diameter is machined to the required size
  • Chamfer tools are then used to chamfer both outside and inside edges at the face
  • The parting tool is inserted into the tool post then the bushing is parted off about 0.5mm to 1mm longer than specified.
  • The remainder of the material is removed from the chuck then the parted bushing is inserted and tightened with the unfinished side protruding about 5mm to 10 mm.
  • A finishing tool is inserted into the tool post then the face is machined to the required size
  • Chamfer tools are then used to chamfer both outside and inside edges at the face

The above method is just a basic explanation of how the operation is achieved. Operating a lathe without proper training is not recommended and could lead to serious injury!

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