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What is CNC? Advantages and Limitations

man operating a machine

CNC (Computer Numerical Control) machines are commonly used in the manufacturing industry. Conventional machines such as shaping machines, routers, center lathes, vertical millers, and others operated by trained engineers have been replaced by computer control machines.

Variables in relation to the functionality of CNC models differ from one CNC type to the other. These include machine tool and non-machine tools as well. There are many different types of CNC machines, which range from drills to plasma cutters, making it possible to make a wide assortment of parts.

Advantages of CNC Machining

This process provides a number of benefits to users and their customers:

  • Variety of Materials

CNC machining can be used to manufacture products using a diversity of materials. These include aluminum, bronze, gold, silver, and steel. Polymers including ABS, PTFE, and polycarbonate can be utilized with this machine too.

  • Accurate Component Machining

Computer Aided Design (CAD) is the software used to produce the final component’s 3D designs. When this is fed into the computer, the machine carves out the product with the exact specifications. Even complex shapes can be created in little time.

  • Repeatability

When a design is fed into the machine’s computer, the machine can repeat the manufacturing process several times. Plus, you will always get a high level of intricacy and precision in the component.

Limitations

• Cost

CNC machines cost more than manually operated machines. The initial investment for these machines is considered too high. Purchasing parts, such as tooling and machines, requires extensive justification.

They also require high maintenance costs and can be expensive to repair. CNC machinery does not eliminate the need for expensive tools.

• Errors

CNC machines are not completely error-free. Operators can still push the wrong buttons, make improper alignments and wrongly locate parts on a jig.

N&S Flame Spray specializes in nickel hard coatings, with choices that expedite production, save money and resulting in a correct product. Contact us today for more information on CNC machinery over traditional machining.

Feel free to ask us a no obligation quote!