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https://www.flourishlegend.com/cnc-machining-peek/

Flourish Legend specializes in the extrusion, rapid injection moulding, compression molding, and machining of specialty engineering plastic products, with extensive experience in the PEEK (Polyether Ether Ketone) industry. We are experts in manufacturing finished peek machined parts and profiles, including rods, sheets, pipes, and films, and offer integrated solutions for the development, design, production, and sales of specialty engineering plastic finished parts and semi-finished profiles for various industries. We welcome you to provide us with drawings or samples, and Flourish Legend will provide you with tailored solutions.

Basics of Glass Filled PEEK Machining
PEEK (Polyether Ether Ketone) is an aromatic crystalline thermoplastic polymer material that possesses high mechanical strength, high-temperature resistance, impact resistance, flame retardancy, acid and alkali resistance, hydrolysis resistance, wear resistance, fatigue resistance, radiation resistance, and excellent electrical properties.

Before discussing the processing of PEEK, it is important to have a clear understanding of plastic processing. CNC (Computer Numerical Control) machining is a manufacturing process that involves the use of computer-controlled machine tools. In the case of custom plastic machining, it involves the precise removal of layers from the plastic material. The technology of carving plastic with drilling tools was introduced by MIT in the 1950s, and since it is controlled by a computer, highly accurate products with tight tolerances can be achieved.

Due to the wide variety of polymers and composite materials, strong technical expertise in polymer materials is crucial when processing plastic components. For example, some plastics are brittle while others can be cut similarly to metals. The challenge with plastics lies in their diverse mechanical properties and behaviors during processing. Therefore, it is important to understand the polymer structure of PEEK when processing it.

Thermoplastic VS Thermosetting Plastics
When it comes to polymers, there are two fundamental types: thermoplastics and thermosetting plastics. Understanding which type of polymer you are working with is crucial because they have distinct reactions to heat and temperature. Thermoplastics can be repeatedly softened and made flexible as temperature increases, which means the polymer undergoes physical changes upon heating. They have the following characteristics:

Good resistance to creep

Can melt before transitioning into a gaseous state

Soluble in certain solvents

Expands in the presence of certain solvents

Allows for plastic deformation when heated
Thermosetting resins, on the other hand, become insoluble and infusible when heated or cured by chemical means, resulting in poor elasticity. They have the following characteristics:

High resistance to creep

Cannot be melted

Insoluble

Minimal expansion in the presence of solvents

Phenolic materials would be an example of thermosetting materials, while PEEK is an example of a thermoplastic material. Specifically, PEEK is considered a semi-crystalline, high-performance thermoplastic. This allows it to have sufficient elasticity for processing with various custom designs, strong mechanical properties that offer fatigue resistance and stress-cracking resistance, as well as a good structure for applications in bearings, wear, and structural applications.

Custom CNC Machining PEEK Parts
Due to its excellent overall performance, Polyether Ether Ketone (PEEK) can replace traditional materials such as metals and ceramics in many special fields. The plastic's high temperature resistance, self-lubrication, wear resistance, and fatigue resistance make it one of the most popular high-performance engineering plastics today. It is primarily used in aerospace, automotive, electronics, electrical, and medical device industries.

Advantages of CNC Machining PEEK Plastic Materials Are as Follows
High Precision Machining
High Precision Machining: CNC (Computer Numerical Control) systems provide highly accurate cutting and machining, enabling PEEK materials to achieve precise dimensional and shape requirements. Compared to traditional machining methods, CNC machining offers higher precision and consistency.

Complex Shape Machining
Complex Shape Machining: CNC machining of PEEK materials allows for multi-axis machining, including three-dimensional contouring and curve carving. This means that complex shapes and intricate details can be achieved, such as patterns, holes, curves, and engravings.

Efficient Production
Efficient Production: custom CNC machining is highly automated, enabling continuous and efficient machining processes. Once programmed and set up, the same machining program can be quickly replicated, ensuring consistency and high efficiency in batch production.

Flexibility and Customization
Flexibility and Customization: CNC machining provides the advantages of flexibility and customization, allowing for personalized machining of PEEK materials according to specific requirements. By modifying machining programs and tool paths, customized machining of different shapes, sizes, and process requirements can be easily achieved.

If you want to know more about peek machining guidelines, please visit our website.

As a prototyping manufacturer, we will do our best to meet all the needs of customers.