Plastics in Precision Manufacturing: Possibilities and Limitations
The use of plastics in precision manufacturing has increased significantly over the past decades. This development is attributed to the continuous improvement of material properties and processing technologies. The following article examines the diverse possibilities and limitations of plastics in precision manufacturing.
Properties of Modern Plastics in Precision Manufacturing
High-performance plastics today offer a variety of advantageous properties for precision manufacturing. Key characteristics include:
- Low specific weight
- High chemical resistance
- Good electrical insulation properties
- Wear resistance
- Self-lubricating properties
- Corrosion resistance
Applications in Precision Manufacturing
The fields of application for plastics in precision manufacturing are extremely diverse. Especially in medical technology, electronics, and the aerospace industry, plastics have established themselves as an alternative to metallic materials. High-precision plastic components can be found, for example, in:
- Medical devices and implants
- Precision bearings and guides
- Microfluidic systems
- Optical components
- Electronic assemblies
Processing Methods for Precision Plastic Components
The processing of plastics into precision parts is carried out using various manufacturing processes. In addition to traditional injection molding, CNC milling and turning have become particularly important methods. These processes enable the production of components with micrometer-level tolerances.
Specifics of Machining Plastics
Several specific factors must be considered when machining plastics:
- Adjusted cutting speeds
- Special tool geometries
- Temperature control during machining
- Consideration of material behavior
- Specific cooling strategies
Limitations and Challenges
Despite many advantages, there are also limitations to the use of plastics in precision manufacturing. Major challenges include:
- Temperature-dependent dimensional changes
- Limited mechanical load-bearing capacity
- Aging behavior of certain plastics
- Restricted temperature resistance
- Complex quality assurance
Future Perspectives
The development of new plastic compounds and improved processing technologies is continually expanding the application possibilities in precision manufacturing. In particular, the combination of different materials in hybrid components opens up new perspectives for innovative applications.
Expertise of CNC Center Northeim GmbH
CNC Center Northeim GmbH has established itself as a specialist in the precision machining of various materials. In addition to metal processing, the company has extensive experience in CNC machining of plastics. With modern CNC machines and qualified personnel, highly precise plastic components are manufactured for various industries such as medical technology, optics, and semiconductor technology. A consistently high quality standard is ensured through certification according to DIN EN ISO 9001:2015.



