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Computer Numerical Control (CNC) machining is a manufacturing process in which pre-programmed computer software dictates the movement of factory tools and machinery. CNC machines come in many different forms with the most common being the 3-, 4- and 5-axis CNC machines. With each additional axis of freedom, the complexity of parts that can be produced increases. We shall explore these 3 types of CNC machines further in this article.
Before that, do check out our previous articles on CNC manufacturing listed below for a better understanding of the guidelines when designing parts for CNC machining.
1. Factorem: Drafting technical drawings for CNC Fabrication
2. Factorem’s ISO 2768 Machining Guidelines
3. Dowel Pin Tolerance and Fit Standards
Introduction
In CNC manufacturing, machines are operated via numerical control (NC), wherein a software program is designated to control an object. The language behind CNC machining is alternately referred to as G-code, and it’s written to control the various behaviors of a corresponding machine, such as the speed, feed rate and coordination.