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What is CNC Machining and How Does It Work

CNC machining, which stands for “computer numerical control machining,” is a manufacturing technique that is widely adopted.

What is CNC Machining

CNC machining, which stands for “computer numerical control machining,” is a manufacturing technique that is widely adopted. CNC machines fabricate the intended products through a subtractive process, meaning carving out the designed shape out of a block of the original material. CNC machining includes drilling, milling, and turning.

How CNC Machining Work

As its name suggests, CNC machining is controlled by computer programming codes. To make CNC work, human intervention is also needed in most of the CNC manufacturing shops. Let’s dig a little deeper and explore the four process of CNC machining’s operation under the control of both humans and computers.

Design CAD Drawing

Before the CNC machines start to work, a CAD model has to be designed. A CAD model includes a 2D drawing or 3D solid parts design. There are abundant factors that put limits on the design for the CAD model, such as the tooling’s shape, CNC machine types, and tooling’s capability. Furthermore, the materials’ properties also matter when it comes to designing the CAD models.

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Will 3D Printing Replace CNC Machining?

CNC machining is a manufacturing process where computer software controls the movement of tools and machinery. For decades, it has been a stable manufacturing process and has become one of the main manufacturing methods for precision manufacturing. But in recent years, CNC machining has been challenged by rapidly developing technology: 3D printing, which is an additive manufacturing process that builds the desired part up layer by layer.

But for CNC machinists who are concerned about losing their jobs, here is an opinion that might cheer you up: 3D printing is unlikely to replace CNC Machining, at least in the near future.


In terms of accuracy, CNC machining is superior to all 3D printing processes. Though some 3D printers promise high precision, they easily fail to deliver it from time to time. Due to the technical process of 3D printing, internal stress can be produced during the object solidification and causes the deformation. 3D printers lack the precision which is needed for mission-critical cases. Even with Selective Laser Melting (SLM) technology, the accuracy of CNC machines is hard, if not impossible, to be replicated by 3D printing.

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Advantages & Disadvantages of Google Glasses

Benefits of Google Glasses

  1. The 1st and the foremost advantage of Google Glasses is definitely that it includes convenience. Users may easily send messages without using their hands.

  2. Google Cup will highlight text messages as well as emails you obtain and permit you to answer them via voice orders.

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Everything You Need To Know About Google Glass

I’m sure right now, almost all of us have heard about the potential Google Cup possesses. In the video recording you visit a few people going through everyday routines while others wear it for more extreme things like skydiving.

On their head, may be the wearable gadget that provides you the first-person’s view of the knowledge, made possible by you guessed it, Google Glass.

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Google Glass Impact and Discontinue

Google halts revenue of Google Glass

Google to discontinue its wise glasses, Google Glass, found in setback for US technology company.

Google has halted product sales of its much-hyped Google Cup headset in a major U-convert for the technology business.

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