Operating / working principle there is a wide range of lathes, among others:
• Lathing
• Drilling
• Work on the edge
• Penguliran
• Taper turning
• Drilling
• Broadening the hole

Turning astigmatism
Objects propped between the two centers. This is shown in the picture:

Figure 1. Operation lathing: A. Sculpture single eye in B. Cutting edge lathing operation.

Workmanship Bank (Facing)
Work on the edge is when the surface to be cut on the lathe. The workpiece is usually held on the face plate or in pencekam like picture 2B. But it can also work carried out by the workpiece edge between the two centers. Because the cuts perpendicular to the axis of rotation, the sled must be locked in a bench lathe to prevent axial movement.

Turning Tyre
There are some standard ketirusan1 in commercial practice. The following classification is commonly used:

  1. Morse taper, widely used for stem augers, neck, and a center lathe. Ketirusannya is 0.0502 mm / mm (5.02%).
  2. Tyre Brown and Sharp, mainly used in the machine spindle memfris: 0.0417 mm / mm (4.166%).
  3. Tyre Jarno and Reed, used by some factory lathe and small penggurdi equipment. All systems have a taper 0:05 mm / mm (5.000%), but differ in diameter.
  4. Tapered pen.
  5. Used as a lock. Ketirusannya 0.0208 mm / mm (2.083%).

Screw cutting
Usually the manufacture of screw with a lathe done if only a little screw that must be made or created a special form. Screw shape obtained by grinding chisel into the appropriate shape using a gage or plate pattern. Figure 7 shows a chisel to cut the thread -V 60 degrees and gage used to check the angle of the chisel. Gage is called gage because the flashlight can also be used as a gage penyenter lathe. Special-shaped cutter can also be used to cut the thread.

Figure 2. The process of threading


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