Nylon Machining | Nylon Machined Parts | Penta Precision

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Nylon Machining

A Guide to Nylon Machined Parts: Properties, Applications and Design Considerations

What is Nylon?Black Nylon Machined Part
Main Attributes of Nylon
Nylon Machining Service
Reasons to Choose Penta
Components, Applications and Industries
Notes for Designers
Nylon Machinability
Other Names
UK Stock Sizes
Technical Properties
Further Reading

What is Nylon?

Nylon refers to the group of plastics known as Polyamides. One of the most common engineering plastics in the world, it has outstanding bearing and wear properties.

Brand names include Nylatron®, Tecamid® and Nylacast®.

It is available as a homopolymer, copolymer or reinforced. It can also be pre-conditioned to reduce moisture absorption during its lifetime. Oil filled and glass filled grades are available.

The two most common grades of Nylon are Nylon 6 and Nylon 66. The number relates to the number of methyl groups which are located on each side of the nitrogen atoms (amide groups), the difference in which subtly influences the properties of the nylon. The information on this page refers largely to Nylon 6 and 66.

Main Attributes of Nylon:

The various grades of Nylon offer slightly different attributes. The following attributes are representative of grades 6 and 66:

Nylon Machining Service - Nylon Milling & Turning

Penta Precision supplies highly accurate Nylon machined parts throughout the UK. Customers turn to us when they have had quality and delivery issues with their existing suppliers and need a reliable precision machining partner.

We communicate well with customers, we take care with the projects placed with us and we are consistent in our service delivery. See our Proven Process page to find out more about our winning formula.

"Penta Precision has provided excellent service to the company. They provide a friendly, professional and prompt service to our business's needs. Penta always meets our dimensioning requirements for bespoke products on time. I would recommend their service to anyone looking for machining." Matthew  - Process Engineer

Penta Precision provides the following Nylon machining services: 

Reasons to Choose Penta:

We are regularly machining Nylon 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. If you'd like to discuss how we can help you with your Nylon machining requirements, here's a list of ways to get in touch with us.

Nylon Components, Applications & Industries

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

    Typical Components & Applications:

    • Food processing machinery components
    • Bearings
    • Bushings
    • Wheels
    • Rollers
    • Seals
    • Housings
    • Gears
    • Nuts
    • Washers
    • Food packaging

      Industry Examples:

      • Electronics
      • Automotive and mechanical engineering
      • Aerospace
      • Food technology
      • Packaging
      • Construction

      Notes for Designers

      Nylon is a moisture absorbant material and will expand as a result. Designers need to allow for this when designing nylon components that will need to fit with other components.

      Nylon is available in a range of colours including natural, black, white, blue, grey, ivory, red, silver and yellow.

      Nylon Machinability

      Nylon can be difficult to machine due to the nature of the chips/swarf produced during the manufacturing process. We use high speed steel cutting tools over carbide as they have a sharper cutting edge. We also use the highest cutting speed and are aware of how clamping/fixturing can affect the part. 

      Similar or obsolete designation and trade names

      You may also see Nylon referred to as:

      Nylon UK Stock Sizes

      Here are the standard stock sizes for the most commonly used Nylon tempers (Tecamid 6 & 66) in the UK. Please note we do not supply stock material, the information provided is purely for design and research purposes.

      Example Nylon Stock Sizes

      Stock sizes will vary depending on supplier. Please get in contact to discuss further.

      Nylon 6 Plate Natural

      500mm x 3000mm in thicknesses of 5-25mm

      Nylon 66 Plate Natural

      300mm x 3000mm and 500mm x 3000mm in thicknesses of 5-100mm

      Nylon 6 Rod Natural

      From 4-18mm diameter in lengths of 3000mm

      Nylon 66 Rod Natural

      From 4-200mm diameter in lengths of 3000mm

      Nylon 6 Tube Natural

      From 016-0008mm to 030/0025mm diameters in lengths of 3000m

      Nylon 66 Tube Natural

      From 040/0025mm to 320/0270mm diameters in lengths of 3000mm

      Nylon is also available in black, blue, brown in various tempers.

      Please note: some sizes may be non-stocked items and subject to minimum order quantities.

      Nylon Technical Properties

      Mechanical Properties

      Nylon 6

      Nylon 66 Parameter Norm Comment
      Modulus of elasticity (tensile test) (MPa) 3300 3500 1mm/min DIN EN ISO 527-2 Specimen
      type 1b
      Tensile Strength (MPa) 79 85 50mm/min DIN EN ISO 527-2  
      Tensile Strength at yield (MPa) 78 84 50mm/min DIN EN ISO 527-2  
      Elongation at yield (%) 4 7 50mm/min DIN EN ISO 527-2  
      Elongation at break (%) 130 70 50mm/min DIN EN ISO 527-2  
      Flexural strength (MPa) 100 110 2mm/min DIN EN ISO 178 Support span 64mm, norm specimen
      Modulus of elasticity (flexural test) (MPa) 2900 3100 - DIN EN ISO 178  
      Compression strength (MPa) 24/41 20/35 1% / 2% / 5% 5mm/min, 10 N EN ISO 604 Specimen 10x10x10mm
      Compression modulus (MPa) 2700 2700 5mm/min, 10 N EN ISO 604 Specimen 10x10x50mm; modulus range between 0.5 and 1% compression
      Impact strength (Charpy) (KJ/m2) n.b. n.b. max 7,5J DIN EN ISO 179-1eU For charpy test: support span 64mm, norm specimen. nob = not broken
      Notched impact strength (Charpy) (KJ/m2) 7 5 max 7,5J DIN EN ISO 179-1eA  
      Ball indentation hardness (MPa) 155 175 - ISO 2039-1 Specimen in 4mm thickness

       

      Thermal Properties

      Nylon 6

      Nylon 66 Parameter Norm Comments
      Glass transition temperature (°C) 45 47 - DIN 53765  
      Melting temperature (°C) 221 258 - DIN 53765  
      Service temperature (°C) 160 170 Short term -  
      Service temperature (°C) 100 100 Long term -  
      Thermal expansion (CLTE) (10-5 K-1) 12 11 23-60°C, long DIN EN ISO 11359-1;2  
      Thermal expansion (CLTE) (10-5 K-1) 13 12 23-100°C, long DIN EN ISO 11359-1;2  
      Specific heat (J/(g*K)) 1.6 1.5 - ISO 22007-4:2008  
      Thermal conductivity (W/(K*m)) 0.37 0.36 - ISO 22007-4:2008  

       

      Electrical Properties

      Nylon 6

      Nylon 66 Parameter Norm Comments
      Specific surface resistance (Ω) 1014 1014 Silver electrode, 23°C, 12% r.h. DIN IEC 60093 Specimen in 20mm thickness
      Specific volume resistance (Ω) 1014 1014 Silver electrode, 23°C, 12% r.h. DIN IEC 60093  
      Dielectric strength (kV/mm) 31 - 23°C, 50% r.h. ISO 60243-1 Specimen in 1mm thickness
      Resistance to tracking (CTI) (V) 600 - Platin electrode, 23°C, 50% r.h., solvent A DIN EN 60112

       

       

      Other Properties

      Nylon 6

      Nylon 66 Parameter Norm Comments
      Water absorption (%) 0.3/0.6 0.2/0.4 24h/96h (23°C) DIN EN ISO 62 Øca, 50mm, 1=13mm
      Resistance to hot water/bases (+) (+) - - (+) limited resistance
      Resistance to weathering (-) (-) - - (-) poor resistance 
      Flammability (UL94) HB HB Corresponding to DIN IEC 60695-11-10 Corresponding means no listing at UL (yellow card). The information might be taken from resin, stock shape or estimation. Individual testing regarding application conditions is mandatory.


      Further Reading & Resources

      British Plastics Federation

      Want to know more about Penta?

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      "Penta were excellent. The parts were exactly as specified and delivered on time. Penta also responded quickly to all our enquiries. I wouldn’t hesitate to recommend them." Greg - Research Scientist 

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