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Information on different types of Milling Machines. Vertical Mills, Horizontal Milling machines, CNC Mills, Machining centers for Sale or Trade

A Milling Machine is probably the most popular and versatile machine in any shop mainly because of their ability to shape complex metal parts. It's basic form is that of a rotating cutter or endmill which rotates about the spindle axis (similar to a drill) and a movable table to which the workpiece is affixed.

  • Vertical (Bridgeport Type) Mills

  • Vertical LathesView Machines Has a 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. There are two subcategories of vertical mills: the bedmill and the turret mill.
  • Vertical CNC Mills

  • CNC LathesView Machines Are the top of the line. CNC Mills or Machining Centers are Computer Numerical Controlled and can vastly speed production and set up time. With a CNC mill you can program your job and save the information to use later; this helps reduce operator error and set up.
  • Ram Type (Horizontal & Vertical) Mills

  • RAM LathesView Machines A mill that has a swiveling cutting head mounted on a sliding ram. The spindle can be oriented either vertically or horizontally, or anywhere in between. Van Norman specialized in ram type mills through most of the 20th century, but since the advent of CNC machines ram type mills are no longer made.
  • Plain Horizontal Mills

  • Horizontal LathesView Machines Plain mills are used to shape flat surfaces. Several cutters may be ganged together on the arbor to mill a complex shape of slots and planes.
  • Mills Universal Horizontal Mills

  • Rolling & Gear Reducers Mills

  • Rolling Mill LatheView Machines Rolling & Gear Reducer Mills typically have an automatic system that perform both rolling and auxiliary operations.
  • Hydrotel-Vertical Mills

  • Hydrotel Vertical LatheView Machines Hydrotel Milling Machine




Features and Options:

Starting with the head of the machine, there are a few different ways to change head speeds. One option is a belt change, or step pulley machine, which takes a little bit longer and is not recommended if you have many speed changes. To change the speeds more efficiently, you can get a variable speed head, which changes speeds as easy as you can turn a wheel. The most common option is a Powered table feed. This allows you to feed your workpiece automatically. Power feeds can be applied at any time and can be put on the x and y axis as well as the knee. This saves time while cranking the handles.

Another popular option would be a Digital Read Out or DRO. This usually has some type of digital numbering system that shows you your measurements on screen instead of using the numbers on the dials for your x, y or z axis’s.

Another option would be a Power Draw Bar. This allows you to pneumatically open and close the draw bar with the touch of a button closing the collets without having to use a wrench to open the draw bar manually to change the collets.

CNC Mills are the top of the line. CNC Mills or Machining Centers are Computer Numerical Controlled and can vastly speed production and set up time. With a CNC mill you can program your job and the control saves the information to use later; this helps reduce operator error and set up.

What to look for:

Some milling machines have scraped and chromed ways. Chroming adds strength to the ways for less wear and scraping evenly distributes the oil across the ways for a smooth flow. To make a machine flow smoothly you need a good lubrication system. Options include automatic lubricating system or a one shot lube system.