CNC Machining: The Creator of High Precision Parts


CNC (short for Computerized Numerical Control) is a kind of machine tool automation controlled by program.
CNC machining is a highly efficient and precise manufacturing process that has revolutionized the production industry. By utilizing computer-controlled machines, known as CNC machines, manufacturers can produce intricate and complex parts with exceptional accuracy and speed.

What is a CNC Machine Used for?

CNC machining is a manufacturing process that involves the use of computerized controls to operate and manipulate machine tools. It replaces traditional manual machining methods with automated precision and efficiency. Manufacturers can produce highly accurate and repeatable parts by inputting a computer-aided design(CAD) file into a CNC machine.


What is CNC Programming?

To operate a CNC machine, a program must be created that contains instructions for the machine’s movements and actions. This program, known as G-code, is generated using computer aided manufacturing (CAM)software. The G-code provides step-by-step instructions to the CNC machine, specifying parameters such as tooling, cutting speed, and tool path.
Open-Loop / Closed-Loop Machining Systems
CNC machines can operate in either open-loop or closed-loop systems.In open-loop machining systems, the machine moves according to the programmed instructions without receiving feedback on the actual position or performance.Closed loop machining (abbreviated CLM) systems, on the other hand, incorporate sensors and feedback mechanisms to continuously monitor and adjust the machine’s movements, ensuring greater accuracy and reliability. CLM is very suitable for electrical discharge machining. Milling or turning is also suitable for CLM.  

What are the advantages of CNC machine?

CNC machining offers several advantages over traditional manual machining methods. Here are some key benefits of using CNC machining:

1.Precision and Accuracy:

CNC machines are capable of producing highly precise and accurate parts with tight tolerances. The computer-controlled nature of CNC machining ensures consistent and repeatable results, eliminating human errors and variations.

2.Increased Efficiency:

CNC machines operate with high speed and efficiency, allowing for faster production times and increased productivity. They can perform complex machining operations in a fraction of time.

3.Versatility and Flexibility:

CNC machines can produce a wide range of precision parts and precision components. They offer flexibility in terms of design changes without extensive retooling or setup changes.

4.Full Automation and Low Labor:

One of the key advantages of CNC machining is its high degree of automation. With the CNC machine program set up, it can operate independently with minimal human intervention. This automation will reduce the risk of errors. It even improves production efficiency.

5.Consistency and Repeatability:

CNC machining ensures consistent quality and repeatability in part production. With a developed and tested program, it can produce identical parts, ensuring uniformity and meeting strict quality standards.

6.Complex Geometries and Intricate Designs:

CNC machines can create complex geometries and intricate design that are difficult or impossible to achieve using manual methods. They can easily handle intricate 3D shapes, contours, and patterns, enabling the production of highly customized precision CNC machined parts.

7.Reduced Waste:

CNC machining minimizes material waste by optimizing the cutting process. The CAD/CAM software can optimize tool paths and nesting layouts to maximize material utilization, reducing scrap and optimizing material efficiency.

8.Improved Safety:

With safety features and protective enclosures design, CNC machines ensure operator safety. If the machine runs, operators are at a safe distance from moving parts and potential hazards, reducing the risk of accidents.

9.Integration with CAD/CAM systems:

CNC machining seamlessly integrates with CAD and CAM systems. This integration allows for efficient design-to-production workflows, seamless file transfer, and quick adjustments to parts designs.

Precision CNC machining services

With more than 30 years of machining experience, U-Need works for your CNC precision machining needs (e.g., prototype CNC machining, 5 axis CNC machining services, medical CNC machining, plastic machining services, ceramic CNC machining, metal machining, stainless steel CNC machining services, CNC machining aluminum parts, copper CNC machining). You can benefit from our expertise and advanced capabilities.Contact us (E-mail: to learn more about our unique CNC machining services offerings and how we can assist you in achieving your manufacturing goals.