NC does not refer to a specific material, but is an abbreviation for Computer Numerical Control, which refers to automated processing technology controlled by computer programs. This technology can process a variety of materials, including metals (such as aluminum, steel), plastics (such as PC, ABS), wood, composite materials, etc.
Overview of CNC Technology
CNC is a manufacturing technology that controls machine tools for precision processing through digital instructions. It is widely used in cutting, drilling, milling and other processes of metals, plastics, wood and other materials. Its core features include:
High precision: It can achieve micron-level processing accuracy and is suitable for complex geometric shapes.
Multi-material compatibility: It can process everything from hard metals to soft plastics.
High degree of automation: Mass production is achieved through programming to reduce human errors.
Classification of common CNC processing materials
According to the material characteristics, CNC processing materials can be divided into the following categories:
Metal materials.
Aluminum: Lightweight, good thermal conductivity, used in aerospace and 3C products.
Stainless steel: corrosion-resistant, suitable for medical devices and electronic hardware.
Copper: highly conductive, commonly used in electrical connectors.
Plastic materials.
PC polycarbonate: high impact strength, suitable for optical components.
Acetal (POM): low friction, easy to cut, used for bearing components.
Other materials.
Wood: such as birch plywood, used for furniture and decoration.
Composite materials: such as carbon fiber, which are both lightweight and high-strength.
Material selection points
The following factors should be considered when selecting CNC processing materials:
Mechanical properties: such as hardness and toughness need to match the processing tools and processes.
Thermal stability: avoid deformation or melting caused by high temperature (such as plastic needs to be cooled).
Cost-effectiveness: metal processing usually requires lubricants, while plastics are more economical.
