What is CNC Machining?

What is CNC Machining?

Laura Davis, Manufacturing Technology Insights | Tuesday, May 11, 2021

Various CNC machines fulfill a variety of purposes. Mills, lathes, routers, plasma cutters, and LaserJet cutters are some of the most common forms of CNC machinery.

Fremont, CA: The manufacturing method required strenuous human labor, excessively long production times, wastage of inventory, and was rife with error until the advent of computerized numerical control (CNC). Today, the program has considerably enhanced the development process.

CNC machining is a subtractive process that involves the production through computerized controls of custom-shaped designs from a workpiece. Instead of adding material to create a product, the process is subtractive in that the product is made by chipping material off an initial piece.

It is possible to characterize CNC machining as a production process performed by robots. The method has made it possible to improve efficiency because the computer will operate automatically without the need for the operator to be always present.

CNC machines work by using a small keyboard connected to the machine to have their instructions programmed into software fed into computers. In a similar manner to robots, the CNC system then carries out these programmed functions.

A variety of products from various materials, including metals, plastics, foam, and wood, can be manufactured by CNC machines. As long as a material can be cut, it can be used on a CNC machine for producing goods. For machining of round rods, threads, and outer circles, CNC metal lathes can be used. In order to process surfaces, keyways, and other irregular forms, CNC milling machines may be used.

Check Out: Top CNC Machining Consulting Companies

CNC software is application packages that write G-Code that can be interpreted by a CNC computer. Computer-Aided Manufacturing (CAM) or Computer-Aided Design is the name of this program (CAD). The numerical control of CNC machines is the responsibility of this program. It helps generate designs that can be interpreted by the computer program on the CNC machine.

The different types of CNC software have specific uses:

Computer-Aided Drawing (CAD): This is used to produce designs and technical documents for 2D and 3D.

Computer-Aided Manufacturing (CAM): Enables users to set up branch work to cater to various tasks such as workflow, tool routes, and simulation cutting.

Computer-Aided Engineering (CAE): These are applications used in the pre-processing, analysis and post-processing processes in the production process.

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