What Is A CNC Machine?

Technology has come a long way, enabling Spayce to work more efficiently with much-controlled costs. Therefore there are numerous examples in this regard with a CNC machine being just one of them.


CNC stands for computer numerical control router which is a computer-controlled cutting machine employing a handheld router as a spindle used for cutting materials such as wood signs, custom fabrication of furniture, and anything else you could imagine.

The Basic Mechanism Of A CNC Machine

The CNC controller works closely with a series of motors and pre-programmed computer software components to move and control factory machine axes which execute the programmed motions.

Types Of CNC Machinery

CNC machines are used extensively throughout the manufacturing industry. However, there are many types of CNC machines which can be broadly classified into the following five categories each serving an individual purpose:

  • CNC milling machines are the most commonly occurring ones that have built-in tools for cutting and drilling.
  • CNC lathe machines feature a lathe that controls and moves the material into position as programmed on the computer. They are used to make cones, cylinders, and spheres.
  • CNC drilling machines are commonly implemented for mass productions.
  • CNC plasma cutters use a plasma torch to cut through rough materials like metal.
  • CNC grinder machines are used for hard-fine machining of parts by using a rotating grinding wheel.

Different Types Of CNC Controllers

In addition, CNC controllers are divided into the following three categories:

  • Motion type CNC
  • Number of axis type CNC
  • Control loop CNC

How To Operate A CNC Machine?

  1. CAD Software

The operation of a CNC machine uses cad software as the starting point. CAD software itself is of many types but all of them are used to create the design. The most popular CAD programs are AutoCAD, rhino3D, and woodworks.

  1. CAM Software

CNC machines often use programs created by CAM software among which the popular ones are Mastercam, Edgecam, OneCNC, HSMWorks, and Solidcam.

Pros Of A CNC Machine

Manufacturers are allowed to automate mass complex manufacturing processes that would have otherwise employed human labor. As a result, CNC driven machines have increased productivity, flexibility, helped in reducing waste, and even reduced or eliminated human errors. CNC machines also require fewer machine operators since one skilled worker can run several machines at one time.

Cons Associated With CNC Machines

Apart from the benefits and convenience delivered by CNC machines, they are potential health hazards. Health experts suggest proper ventilation measures for rooms where CNC machines are installed because they release a high amount of smoke and dust which is extremely dangerous for the health and body. Proper ventilation should be ensured for these rooms. Besides, CNC machines are more expensive and require heavy initial investment as compared to manually operated machines.

With the help of CNC machines, manufacturers today can turn any raw material into completed parts that are ready to go. They’re also much demand for custom CNC wood signs. Thanks to CNC machines, now we can get work done accurately, efficiently, and cost-effectively.

Contact Spayce for all your custom routing needs.