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When it comes to prototyping components, currently the two go-to methods are CNC machining and 3D printing.
For the uninitiated, these two might seem similar processes, but they are rather different. At Advanced Tech Machining we utilize state of the art CNC machining technology to create prototypes and for serial production. And in this article, we will differentiate this process from 3D printing.
Bay Area - Northern California CNC Machining and 3D Printing Explained
Introduced by MIT in the 1950s, CNC stands for computer numerical control, this is a form of subtractive manufacturing, which means that it carves out needed components from larger blocks of material. So a piece of metal will get parts of it cut away until the finished part remains.
CNC machining utilizes a variety of cutters and spinning tools to shape the piece. The advantage of this process include dimensional accuracy, strength, and a wide variety of usable materials from wood to metals to plastics. This is why it is a staple for engines, airplane machinery and other fields that require robust parts. Woodworking, lettering and engraving also use CNC machining.
3D printing, on the other hand, is a form of additive manufacturing. Also invented at MIT, during the 1980s, this process entails building products from the bottom up. Materials such as plastic filaments, resins, plastics or metal powders are added layer by layer and then solidified with a source of energy such as lasers or heated extruders, so that the layers harden and form the finished product. 3D printing allows greater freedom of shape and has applications in many fields due to its accuracy, speed and low cost and weight. The medical field, food industry and artists have made great use of 3D printing.
These are the differences between CNC machining and 3D printing. They both have their strengths and weaknesses. In terms of mass production, economic constraints means that 3D printing has low volume of output whereas CNC machining has an advantage in terms of economies of scale when the quantities of products are higher.
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Advanced Tech Machining
Northern California Machine Shop
Machine Shop, CNC Machining, EDM, Sheet Metal, Tube Modification
Our Location:
Phone: 408-549-8448
Email: bao.nguyen@atmachining.us
Advanced Tech Machining is a precision machine shop with state-of-the-art CNC machining centers and the most experienced machinists and programmers in Fremont, California. With over 30 years of experience working in the machining industry.
We make metal and plastic machine parts for aerospace, medical, automotive and semiconductor industries. Parts are manufactured using the finest equipment and decades of experience.
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