PEEK stands for Polyether Ether Ketone, a high-performance engineering thermoplastic material known for its excellent mechanical, chemical, and thermal properties.
CNC machining can be used to process PEEK, enabling the production of PEEK parts with precise tolerances and intricate geometries.
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Get precise and versatile machining of PEEK parts with our optimized 3, 4, and 5-axis CNC milling service.
Combine lathe and milling capabilities for efficient CNC turning with live tooling, ideal for machining PEEK parts with cylindrical features
PEEK is a high-performing thermoplastic with excellent mechanical, chemical, and thermal properties, well-suited for demanding applications and extreme environments. It’s biocompatible, and parts can be produced with tight tolerances and complex geometries using techniques like injection molding, extrusion, and CNC machining, perfect for high-precision industries
Some of the key properties of PEEK include:
Explore top PEEK grades: unfilled, glass-fiber reinforced, carbon-fiber reinforced, and bearing grade.
Unfilled PEEK offers superior toughness and elongation compared to other grades, making it ideal for custom components requiring water and steam resistance, inertness, and ductility. This FDA-approved material also comes in multiple colors for a pleasing aesthetic finish
30% glass-fiber reinforced PEEK delivers unparalleled strength, stiffness, and thermal insulation. It maintains the toughness of unfilled PEEK, while also reducing expansion rates and increasing flexural modulus. Ideal for high-load structural applications, it provides exceptional stability and electrical insulation
Get the strongest, stiffest, and most wear-resistant material with 30% carbon-fiber-reinforced PEEK. The lightest with maximum reinforcement, it’s ideal for high-demand applications and excels in load-carrying. With superior thermal conductivity, it improves bearing life by dissipating heat 3.5 times faster than unfilled PEEK.
Experience the ultimate in low wear rates, low friction, and superior machinability with bearing grade PEEK. Combining carbon fiber, graphite, and PTFE, it offers the highest PVs and reduces mating part wear, making it perfect for demanding wear applications. The ideal solution for high-performance bearings that require exceptional wear resistance
To improve the mechanics and mechanical properties of PEEK materials, one can select from various PEEK grades, gain a better understanding of these materials, and choose the one that best fits the project requirements.
|Unfilled PEEK||Carbon-filled PEEK||Glass filled PEEK||Bearing grade PEEK|
|Tensile Strength||100-160 Mpa||140-200 Mpa||150-180 Mpa||100-120 Mpa|
|Flexural Strength||140-240 Mpa||200-250 Mpa||240-280 MPa||190-210 Mpa|
|Elastic Modulus||3.6-4.2 Gpa||6-9 Gpa||11-14 Gpa||3.5-4 GPa|
|Impact Strength||30-50 kJ/m2||20-30 kJ/m2||20-30 kJ/m2||30-35 kJ/m2|
|Compressive Strength||100-200 Mpa||250-300 Mpa||330-400 Mpa||180-200 Mpa|
|Vickers Hardness||70-90 HV||90-120 HV||120-140 HV||100-130 HV|
|Heat Deflection Temperatures (HDT)||150-160°C (302-320°F)||280-290°C (536-554°F)||290-300°C (554-572°F)||250-260°C (482-500°F)|
PEEK CNC machining refers to the process of using computer numerical control (CNC) machines to shape, cut, or drill PEEK material into a desired shape or form.
To ensure optimal CNC machining of PEEK materials, it’s essential to address the issue of chips sticking to the tool during the process. Sticking chips can cause tool wear and a reduction in the quality of the machined surface. To mitigate these challenges, appropriate cutting tools, machining parameters, and cooling strategies are critical.
Contact AT-Machining for expert CNC machining of PEEK and other thermoplastics. Our skilled engineers and machinists will tailor high-quality components to your specifications.
There are several benefits to CNC machining polyether-ether-ketone (PEEK):
Simplifying the design and reducing the complexity of the part can reduce machining time and waste material
CNC machines can be programmed to use the most efficient tool paths to reduce machining time and tool wear
Selecting an experienced CNC machining company like AT-Machining can produce PEEK parts cost-effectively. A skilled supplier can provide expertise in material selection, part design, and machining optimization to reduce costs.
Our manufacturing capabilities serve diverse industries, including medical, aerospace, and marine robotics. We take on projects of any size and offer exceptional service to all customers
Yes,CNC machining is one of the most common methods used to machine PEEK. CNC machining involves using computer-controlled tools to cut and shape the PEEK material into the desired shape and size. The process can produce high-precision, high-quality parts with tight tolerances and complex geometries.
PEEK machining’s precise tolerances depend on factors such as part size, complexity, equipment, and method used. CNC machining is common and can achieve ±0.005 to ±0.010 inches (0.127 to 0.254 mm) tolerances, but experienced machinists may use specialized tooling to achieve tighter tolerances despite PEEK’s hardness and toughness
PEEK, along with high-performance engineering thermoplastics such as PEI, PPS, PAI, and PSU, offers high temperature and chemical resistance, as well as excellent mechanical and electrical properties. These materials find uses in high-strength applications in the aerospace, automotive, and electrical industries. Alternatives may be considered depending on the application due to their similar properties.
Acetal (POM), along with other plastics like acrylic (PMMA), polyethylene (PE), polypropylene (PP), and polycarbonate (PC), are relatively easy to machine due to their good machinability and dimensional stability. However, the ease of CNC cutting depends on the specific application requirements and the equipment and tools used.
PEEK parts produced by CNC machining are used in aerospace, defense, medical, automotive, and electrical industries. Its high strength, stiffness, and resistance to harsh environments make it suitable for demanding applications, including medical implants and prosthetics.
PEEK is a high-performance material with excellent strength and chemical resistance, while POM is a low-friction, wear-resistant material that is easy to machine and has good dimensional stability. The choice of material will depend on the specific requirements of the application