Nylon CNC Machining
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Precision-machined nylon delivers optimal mechanical properties coupled with superior wear resistance
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What is Nylon Plastics?
Nylon is a family of synthetic thermoplastic polymers known for their high strength, durability, and resistance to wear, chemicals, and heat, widely used in engineering and industrial applications.
While its well-balanced properties establish it as a versatile, high-performance material for precision CNC machining.
Why Choose Nylon CNC Machining?
Superior Wear Resistance
Ideal for high-friction applications like gears and bearings.
Precision & Versatility
Easy to machine into complex shapes with tight tolerances for diverse industries.
Chemical Resistance
Performs well in harsh environments, including exposure to oils and solvents.
High Strength
Excellent strength-to-weight ratio for durable yet lightweight components.
Types of Nylon Plastic
Nylon Subtypes
Tensile Strength, Yield (MPa)
Fatigue Strength (MPa)
Elongation at Break (%)
Hardness (Brinell)
Density (g/cm³)
Nylon 6 (PA6)
70–80
20–30 (at 10⁷ cycles)
30–100
100–120 HB
1.12–1.15
Nylon 6/6 (PA66)
80–90
30–40 (at 10⁷ cycles)
15–60
110–120 HB
1.13–1.15
Nylon 12 (PA12)
45–55
15–25 (at 10⁷ cycles)
150–300
70–90 HB
1.01–1.02
Glass-Filled Nylon
90–180
40–80 (at 10⁷ cycles)
2–10
120–150 HB
1.30–1.50
Oil-Filled Nylon
50–70
20–30 (at 10⁷ cycles)
50–150
90–110 HB
1.10–1.14
Carbon-Filled Nylon
100–200
50–90* (at 10⁷ cycles)
3–8
130–160 HB
1.20–1.40
Nylon CNC Machining Parameter
Parameter
Typical Value
Description
Spindle Speed
1,500–6,000 RPM
Higher speeds for finer finishes; lower for roughing.
Spindle Power
1–5 kW
Dependent on tool size and material removal rate.
Feed Rate
500–3,000 mm/min
Higher feeds reduce melting risk (nylon softens with heat).
Cutting Depth
0.5–5 mm (axial)
Deeper cuts for roughing; shallow for finishing.
Cutting Width
30–70% of tool diameter (radial)
Avoid full-width cuts to prevent tool deflection.
Machining Accuracy
±0.05 – 0.1 mm
Tighter tolerances achievable with fine-tuning.
Surface Roughness
Ra 1.6–3.2 μm (finishing)
Polishing or post-processing can improve to Ra <1.6 μm.
Tool Type
2–4 Flute Carbide End Mills
Sharp, polished flutes reduce heat buildup.
Tool Diameter
3–12 mm (common)
Smaller tools for detail; larger for roughing.
Coolant Type
Air Blast / Dry Machining
Nylon absorbs water; avoid liquid coolants unless necessary.
Chip Load
0.05–0.2 mm/tooth
Adjust based on tool rigidity and nylon grade.
Ramp Angle
5°–15°
Helical entry reduces tool stress.
Stepover
30–50% of tool diameter
Balances efficiency and surface finish.
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