PEEK Guide | Machining Design Considerations | Penta Precision

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PEEK Machined Parts

A Guide to PEEK - CNC Milled & Turned Parts: Properties, Applications and Design Considerations

What is PEEK?

PEEK (Polyaryletheretherketone) is a rigid opaque (beige) engineering plastic known for its ability to operate at high temperatures, together with its exceptional chemical and wear resistance and dimensional stability.

A high purity polymer, PEEK is a plastic composed of repeating monomers of two ether groups and a ketone group.

Main Attributes of PEEK:

  • Impressive durability - exceptional chemical, electrical and temperature resistence
  • Excellent mechanical properties maintained to high temperatures
  • Dimensional stability
  • Very low moisture absorption
  • Flame retardant
  • High impact strength

Detailed information about PEEK for designers including UK stock sizes and technical properties can be found in the tabs below. Please note: this information is provided as a guide only. All information is based on our present knowledge and is given in good faith. No liability will be accepted by Penta Precision in respect of any action taken by any third party in reliance thereon.

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Similar or obsolete designation and trade names

You may also see PEEK referred to as:

PEEK Components, Applications & Industries

PEEK is only recommended as a material for use where its operational benefits are essential to the application.

Here are some examples of the industries and components for which PEEK is appropriate. This is by no means an exhaustive list. Please do get in touch if you are considering using PEEK and we can talk through your project with you.

Typical Components & Applications:
  • Valves
  • Seals
  • Connectors
  • Surgical instruments
  • Medical implants
  • Bearings
  • Bushings
  • Washers
  • Blocks
  • Insulation
  • Scraper blades
     
Industry Examples:
  • Aerospace
  • Electronics
  • Military & defence
  • Medical
  • Chemical
  • Oil & gas
  • Food & packaging
  • Automotive 

    PEEK Turned Part
    Natural PEEK CNC
    Turned Component


    Black PEEK Milled Part 250px
    Black PEEK CNC
    Machined Part

    PEEK Machining Service

    Penta Precision provides highly accurate machined parts in PEEK. Customers turn to us when they have had quality and delivery issues with their existing suppliers and need a reliable precision machining partner.

    Penta Precision provides the following PEEK plastic machining services: 

    • CNC milling – prototypes & large batch runs
    • CNC turning – prototypes & large batch runs
    • Insert installation
    • Part marking
    • Manual milling
    • Manual turning
    • Machining design advice
    • Machining drawing service

    Reasons to Choose Penta:

    • ISO 9001:2015 quality assurance
    • Consistent high quality machined parts
    • Reliable delivery dates - our track record speaks volumes
    • Exceptional customer service and communication
    • Machining design advice
    • Extensive experience in our field
    What Makes Penta Different?

    We are committed to delivering an exemplary service to our customers. One significant way in which we achieve this is through
    the implementation of our ‘3 Cs’:

    • We Communicate well 
    • We take Care at each stage
    • Our service is Consistent

    See our ‘Proven Process’ page to find out more

    We are regularly machining PEEK for customers all over the UK. Our customers depend on our machining expertise as well as our outstanding delivery performance, to machine the highest quality parts.  Contact us to discuss how we can help you with your PEEK machining requirements. 

    Can we meet your
    PEEK machining needs?
    Call our engineering team on
    +44 (0) 23 9266 8334
    or contact us via our email form

    "Penta were able to take original part designs and use their extensive engineering experience to make improvements. All of which was handled with exemplary customer service, which left me feeling in complete control of the project "Robert - Project Engineer

    Tel: +44 (0) 2392 668 334

    Fax: +44 (0) 2392 668 335

    Connect with us:

    Penta Precision Engineering Ltd

    Aspen House

    Airport Service Road

    Portsmouth

    Hampshire

    PO3 5RA

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