Mill (Bridgeport Series I Standard Mill)

Milling operates on the principle of rotary motion. A milling cutter is spun about an axis while a workpiece is advanced through it in such a way that the blades of the cutter are able to shave chips of material with each pass. Milling processes are designed such that the cutter makes many individual cuts on the material in a single run; this may be accomplished by using a cutter with many teeth, spinning the cutter at high speed, or advancing the material through the cutter slowly. Most often it is some combination of the three. The speed at which the piece advances through the cutter is called feed rate, or just feed; it is most often measured in length of material per full revolution of the cutter.

For more information visit:
http://en.wikipedia.org/wiki/Milling_(machining)
http://www.bpt.com/index.asp?pageID=63&prodID=56

Difficulty: Medium
Danger: High