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CNC Machines and CNC Machining Explained

CNC Machines Explained


CNC Machining Explained

CNC Milling Machines are controlled by software allowing you to create designs easily and the machine to create the product, simple. However, digging deeper into the world of CNC it can get more complex. For example, a CNC machine can host a wide variety of different functions including routeing, milling, drilling and cutting which means they are incredibly versatile machines.

The popularity of CNC machining has grown massively over the past few years. The popularity has grown as the need for manual labour is almost eliminated, meaning little need to employ, saving money from wages, along with the ability to repeat creations multiple times.

  • The name CNC stands for Computer Numerical Control.
  • CNC Machines are electro-powered devices that copy computer programming inputs.
  • CNC represents just one of the two most common methods of machining.
  • CNC Provides 3D printing to produce prototypes from a digital software file.

CNC Machine Drills

A History of CNC Machines

  • Known as NC when Computers weren’t around, the first form of NC machines were created in the 1950s and relied on punched tape as data storage. The initial concept proved cost effective however due to the fact it was different it took a while to catch on with most manufacturers. After the US Army bought NC machines and loaned them to different manufacturers, by the late 1950s NC machining started to catch on.
  • The standard G-Code language began in the late 50s. G-Code is the generic name for a control language used in CNC.
  • CAD came into CNC machining in the 60s replacing paper drawings at a rapid pace. Initially, CAD was more appropriate for the larger industry companies.
  • During the 1970s the economy of western countries slowed down which meant employment costs increased. This meant that the need for CNC machines had increased and popularity started to grow in both large and small companies.

The CNC Machining Process

Although the world of CNC Machining can seem complex, the CNC Machining process itself is quite simple and our process involves the following steps:

  1. Design: Use CAD to create 2D or 3D models of the parts you need making.
  2. Programming: Use the CAM software to convert the CAD into G-Code, which is the language used to program these machines.
  3. Machine: Set up the machine with the correct tools and material.
  4. Make the part: When everything is set up, we can machine the part.

CNC Milling

CNC Machines have been growing, becoming more and more advanced in recent years. Use MNB Precision for all of your CNC Machining needs; get in touch with our friendly and helpful team today. We cater to large project loads and smaller businesses.


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