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The CNC machine does this by telling the machine shop tool exactly how to move, and exactly what pieces of the material to cut away, to eventually arrive at the desired result. The basic function of CNC machining is to take a blank piece of material, such as a block of plastic or a similar item, and transform it into a finished product. Of course, this technique soon became obsolete, and the systems quickly turned to analog and then digital computer processing methods. These machines used a data storage technique known as punched tape. The earliest CNC machines - or perhaps the forerunners of the CNC machine - were developed and used in the 1940s and ‘50s. The name CNC stands for computer numerical control. In other words, controllers program the CNC machine to tell the machine shop tools what to do. Quick Links: What Is a CNC Machine? | How Does CNC Machining Work? | What Causes Issues in CNC Machines? | Troubleshooting Tips What Is a CNC Machine?Ī CNC machine is an electro-mechanical device used to manipulate and control machine-shop tools and devices using computer programming. We’re going to talk about a few of the most common problems in CNC machines, and how to fix these problems.īefore we get started, however, let’s make sure everyone is on the same page and understands the basics of what a CNC machine is and what it’s for. Have your CNC machines been behaving oddly lately? Do you notice a strange tick in their output, or in the way the machines are acting?