CNC machining is a subtractive manufacturing technique that uses computer numerical control (NC) machines to cut, drill, or shape materials with high-precision tools, and it is a manufacturing process that uses computer numerical control machines to create workpieces. The CNC machining process consists of six steps: designing the CAD model, converting the CAD file into a CNC program, preparing for the CNC machining, the material entering the CNC machining, the material being processed by the machine, and the material leaving the machine.
These CNC machines feature a series of spindles that can be programmed to perform different types of operations on the material, such as cutting, milling, drilling or routing in three dimensions. These operations are usually done in one pass through the material, rather than in multiple steps using traditional machining methods such as turning and milling.
To sum up, CNC machining generally refers to computer numerical control machining with automated operations, which uses a computer to control the movement of the tool. Computers send instructions to machines in the form of programs called G-codes. These instructions tell the machine what to do, such as move left or right or rotate on an axis. This process is repeated over and over until there is no more material to cut or engrave from the workpiece. It includes CNC machining grinding, milling, drilling, turning, and customizing any different types of parts in different materials, including metal aluminum, stainless steel, brass and plastic, etc.
CNC machining is the process of providing high precision and repeatability in machining operations, and CNC machining has many applications.
CNC machining application:
1. Precision parts manufacturing: The ability to machine parts with smaller tolerances is one of the main advantages of CNC machining compared to manual or machine tools.
2. Prototyping: Prototyping is the process of creating physical objects or models from 3D CAD data prior to mass production or mass manufacturing.
3. Tools and Fixtures: This application is used to create tools, jigs, dies and other similar items used in the manufacturing process.
4. Automotive industry: CNC machining is used in the automotive industry to produce parts and assemblies that are as strong and light as possible.
5. Aerospace parts: used in aerospace engineering to manufacture complex shapes with high precision tolerances.
6. Medical equipment: It is also used in the medical field for the manufacture of implants and prostheses.
7. In the electronics industry, it is used to make complex circuits with high precision tolerances.
8. Moulds: Moulds that are then used to cast metal parts or plastic parts.