CNC machining, which stands for Computer Numerical Control, is an automated method used to shape plastic materials in detail and efficiently. Using computer programs, machines are controlled to shape and cut plastic with precision. This technology is popular in industries where quality is important, such as electronics, medical technology and the automotive industry. Here we describe the basics of CNC machining of plastic and go through the process step by step.
CNC machining of plastics – an overview
CNC machining is a technology where a computer program controls a tool that shapes and cuts plastic material. Using digital drawings, CNC tools can efficiently follow the digital model of the component and then produce it. This makes CNC machining a useful tool in industries that want to create detailed plastic components. Read more about the Benefits of CNC Machining in Plastics Technology here.
How CNC machining of plastics works
- Design and Programming: The first step involves creating a CAD (Computer-Aided Design) drawing. The digital design is then converted into a CAM (Computer-Aided Manufacturing) file that provides the tools with the instructions needed to create the component.
- Material selection: Then you choose which plastic material to process. Which material you choose affects the properties of the final product. There are several different types that can be processed, such as acrylic, polycarbonate and POM. The choice of material depends on the desired properties, such as durability, temperature resistance or transparency.
- The machining process: The CNC machine follows the instructions to cut, mill or turn the plastic. The machine works with high precision, which makes it possible to achieve detailed dimensions and complex shapes.
- Post-processing: In many cases, the created component needs to be adjusted to achieve a smooth surface or to remove excess material. This may involve grinding, polishing, or other surface treatment.
Applications for CNC machining of plastics
CNC machining of plastic is used in various industries where precision is important. In medical technology, CNC machining is a good technique for producing plastic components such as housings, holders and instruments, which require both hygienic surfaces and precise dimensions. The technique is suitable for medical technology because plastic is easy to clean and can be sterilized.
In the electronics industry, CNC machining is used to create housings, mounting components, and other parts that protect sensitive electronics. These components often need to be customized to fit precisely into electronic devices, making CNC machining a great solution for achieving the right fit and protection.
The automotive industry is another sector where CNC machining of plastics is very common. The technology is used to manufacture interior details, technical plastic parts and protective components that must be durable and withstand harsh environmental conditions. CNC machines can shape plastic components to precise dimensions, which is important to ensure smooth assembly into vehicle structures.
CNC machining at MK Plastteknik
At MK Plastteknik, we offer CNC machining of plastic, where each step in the process is adapted to meet the customer's requirements. We have extensive experience working with different plastic materials and can deliver everything from prototypes to finished series. If you need help with milling, contact us today.
