Plastic milling and turning parts
Plastics for CNC machining by milling and turning
A wide variety of plastics with different properties are used for CNC machining with turning and milling. Plastics are versatile, electrically insulating and easy to machine. They are generally characterized by significantly lower manufacturing costs for turning and milling than the metallic materials.
The ideal plastic for your turning and milling parts
Our product range includes low-cost standard plastics, engineering design plastics and high-performance plastics for specific requirements. This overview provides you with a compact overview of the materials available at Spanflug and helps you select the ideal plastic for your turned and milled parts. All plastics can be selected for instant price calculation at Spanflug Buy.
This is how easy it is to order plastic parts from Spanflug:
Upload CAD model, select suitable material, call up instant quote and order directly online.
Our plastics
Please select the plastic with the optimum fit to your requirements.
PA6
Polyamide
Material costs: €€€€€
Tensile strength: 71 - 80 N/mm²
PA is a construction plastic that is particularly suitable for the manufacture of structural and sliding elements with dynamic loads.
✔ good damping properties
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good mechanical properties
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good gliding properties
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high wear resistance
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good machinability
PE-HD
Polyethylene
Material costs: €€€€€
Tensile strength: 20 - 30 N/mm²
PE is a standard plastic with low strength and hardness and high thermal expansion. PE has excellent chemical resistance as well as good impact strength.
✔ good damping properties
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very good chemical resistance
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very good electrical insulating properties
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applicable up to -50° C
PP-H
Polypropylene
Material costs: €€€€€
Tensile strength: 21 - 37 N/mm²
PP is a versatile standard plastic. Compared to PE, PP has slightly better mechanical properties, while its chemical resistance is somewhat lower. At temperatures below 0 °C, the plastic is susceptible to impact.
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good chemical resistance
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very good electrical insulating properties
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very low specific weight
POM
Polyoxymethylene
Material costs: €€€€€
Tensile strength: 70 - 78 N/mm²
POM is a versatile engineering plastic with high strength and dimensional stability. Its excellent sliding properties make it particularly suitable for dry friction applications.
✔ very good mechanical properties
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very good gliding properties
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good creep resistance
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very good machinability
PEEK
Polyetheretherketone
Material costs: €€€€€
Tensile strength: 100 - 116 N/mm²
PEEK is a high-performance plastic with particularly high mechanical strength, stiffness and temperature resistance.
✔ very high mechanical strength
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very high surface hardness
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excellent wear resistance
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high thermal load capacity
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very good chemical resistance
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good radiation resistance
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good machinability
PTFE
Polytetrafluoroethylene
Material costs: €€€€€
Tensile strength: 15 - 35 N/mm²
PTFE is a high-performance plastic characterized by an exceptionally broad thermal application range from -200 °C to +260 °C. It has a relatively low strength.
✔ very good chemical resistance
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very good gliding properties
✔
light, weather and radiation resistant
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non flammable
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very good electrical insulating properties
PA66 GF30
Material costs: €€€€€
Tensile strength: 112 - 135 N/mm²
PA66 GF30 is a polyamide reinforced with 30 % glass fiber with improved mechanical and thermal properties than unreinforced PA.
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good damping properties
✔ very good mechanical properties
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good heat resistance
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rather unsuitable for sliding applications
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good machinability
PMMA (acrylic glass) Polymethyl methacrylate
Material costs: €€€€€
Tensile strength: 70 - 76 N/mm²
PMMA / Acrylgals is a transparent plastic with excellent resistance to weathering and UV light.
✔
very good electrical insulating properties
✔ light, weather and radiation resistant
✔
high transparency
PC
Polycarbonate
Material costs: €€€€€
Tensile strength: 112 - 135 N/mm²
PC is a transparent plastic with high strength, impact strength and rigidity. PC is characterized by very high dimensional stability. Compared to PMMA, however, it is somewhat less transparent and has a significantly higher scratch sensitivity.
✔ very high dimensional stability
✔ good electrical insulating properties
✔ good machinability
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low water absorption
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rather unsuitable for sliding applications
PVC-U
Polyvinyl chloride
Material costs: €€€€€
Tensile strength: 35 - 60 N/mm²
PVC-U, or rigid PVC, has very good chemical resistance, good sliding properties and good mechanical properties.
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good gliding properties
✔ flame retardant
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very good chemical resistance
✔very good electrical insulating properties
PVDF
Polyvinylidene fluoride
Material costs: €€€€€
Tensile strength: 35 - 55 N/mm²
PVDF is a high-performance plastic that has good thermal resistance and is much harder and stiffer than PTFE.
✔ non flammable
✔
very good chemical resistance
✔ light, weather and radiation resistant
✔ good electrical insulating properties
PE-1000/PE-UHMW
Polyethylene
Material costs: €€€€€
Tensile strength: 20 - 25 N/mm²
PE-UHMW is a standard plastic with low strength and hardness and high thermal expansion. Compared to PE-HD, it has significantly higher toughness and better wear and sliding properties. In addition, this material is suitable for applications in the ultra-low temperature range (-200°C to -270°C).
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very good chemical resistance
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good wear resistance
✔ good damping properties
✔ very good electrical insulating properties
✔ use down to -270 °C possible
Note: The data given are guide values and may vary depending on the machining process and part. The data cannot be transferred to finished parts without further ado. The suitability of the materials for a specific part must be checked by the customer.
