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The Meaning of Milling Machine?

8/3/2020

 
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​Milling is a cutting process that uses a milling cutter to remove material from the surface of a work piece. Milling is performed with a milling cutter in various forms, held in a collett or similar which, in turn, is held in the spindle of a milling machine.

What is vertical milling machine?

​Mill orientation is the primary classification for milling machines. There are alternative classifications according to the method of control, size, purpose, and power source.
Part of Vertical Milling Machine
1. Milling CutterThe cutting surfaces of a milling cutter are generally made of a hard and temperature-resistant material, so that they wear slowly.
2. Spindle
In the vertical mill, the spindle axis is vertically oriented. Milling cutters are held in the spindle and rotate on its axis. The spindle can generally be extended (or the table can be raised/lowered, giving the same effect), allowing plunge cuts and drilling.
​3. Top Slide or Overarm
4. Column
5. Table
6. Y-axis Slide
7. Knee
8. Base
There are two subcategories of vertical mills: the bed mill and the turret mill.
  • A turret mill has a stationary spindle and the table is moved both perpendicular and parallel to the spindle axis to accomplish cutting. The most common example of this type is the Bridgeport, described below. Turret mills often have a quill which allows the milling cutter to be raised and lowered in a manner similar to a drill press. This type of machine provides two methods of cutting in the vertical (Z) direction: by raising or lowering the quill, and by moving the knee.
  • In the bed mill, however, the table moves only perpendicular to the spindle's axis, while the spindle itself moves parallel to its own axis.
Source: wikipedia.org

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