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About CNC Machines

Metal processing industries employ a wide range of CNC machine tools to create parts of a desired shape and size. These machines have evolved over the past hundreds of years and have made it possible to produce not only the most complex shapes but also in a way that involves very little human effort. Today, CNC machines are used to speed up the process and lower the cost of producing parts and labor.

At Machine Bluebook, we have the largest listing of Metal Processing Machines from thousands of suppliers and dealers in the USA and Canada.

There are various techniques used by the fabrication industry that has led to the invention and evolution of many metal processing machinery. Following are the most widely used machines in the metal processing industry:

  • Lathe Machine: These are the machines that rotate the workpiece to perform various machining operations. Lathes can be used to produce parts that are ferrous, non-ferrous metals, plastics, and wood. They are multipurpose machines that can be used to perform operations like cutting, sanding, knurling, drilling, boring, threading, facing, and turning. They come in various sizes, and with a range of accessories.
  • Milling Machine: It is a machine that uses rotary cutters to remove the undesired material. The workpiece is held tight on the movable worktable and a rotating tool is made to move vertically. The two major operations that a milling machine performs are face milling and peripheral milling.
  • Grinding Machine: In this machine, an abrasive wheel is made to rotate at relatively high speeds. The rotating wheel provides finishing to the workpiece by removing a very small amount of material along its surface, after which it becomes smooth to touch.
  • Drilling Machines: These are some of the most common types of machines that we can see around us. They are used for various household repair works too. The tools of this machine are easy to install and replace which makes it really easy to use. They can be used for making a hole in a wide range of materials which not only includes metals but also materials like cement and concrete.
  • Shaper Machines: It uses a single-point cutting tool that moves in a linear motion to perform a cutting operation on a workpiece. It has a simple mechanism and is easy to operate too.
  • Broaching Machine: It uses a toothed tool or a broach to remove material from the workpiece. There are two types of broaching processes – linear and rotary.
  • Saw machines: There are three types of saw machines, hacksaw, circular saw, and band saw. These machines are used to cut a metal piece into two. It uses a blade that is either rotating or reciprocating to make the cut.
  • Planer Machine: This machine is very similar to a shaper machine and the only difference in this machine is, the cutting tool is stationary and the workpiece is made to move in a linear motion. Generally, these machines are larger than shaper machines.
  • Shearing Machine: It is a machine that is used for cutting sheet metal. The Shearing process does not form chips or any residual material. Other major metal cutting operations that are similar to this are blanking and piercing.
  • Hobbing Machines: These machines are used for making gears and splines. It is a type of milling machine that uses a special type of cutting tool but is relatively inexpensive and is mostly used to produce spur gears.
  • Drill Press: It is a more reliable version of a hand-held drill as they have better stability than them. The workbench allows the drills to be made continuously with good accuracy.

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