PEEK CNC Machining
Services On Aria
PEEK (Polyether Ether Ketone) stands out as a high-performance thermoplastic renowned for its exceptional mechanical, thermal, and chemical resistance properties.
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What is PEEk CNC Machining?
PEEK CNC machining bridges the gap between plastic versatility and metal-like performance, offering unmatched reliability for critical applications.
When combined with CNC (Computer Numerical Control) machining, PEEK transforms into precision components for industries ranging from aerospace to medical devices.
Why Choose PEEK CNC Machining?
Chemical Inertness
Resists acids, solvents, and hydrocarbons.
Mechanical Strength
Comparable to metals but with lightweight advantages.
Biocompatibility
FDA-approved for medical implants and devices.
Wear Resistance
Low friction coefficient for durable parts.
Types of PEEK Materials
PEEK Subtypes
Tensile Strength, Yield (MPa)
Elongation at Break (%)
Hardness (Shore D)
Heat Deflection Temperature (°C)
Glass Transition Temperature (°C)
Generic PEEK
65-120
1.5-110
62-89
182-210
143-155
TECAPEEK
96.5-110
30-50
94-99
160
150
Peek GF30
101-157
2.2-5
103
316
260-300
PEEK CNC Machining Parameter
Parameter
Typical Value
Description
Spindle Speed
1,000 – 3,000 RPM
Lower speeds reduce heat buildup.
Spindle Power
≥ 5 kW
Higher power ensures stable cutting forces.
Feed Rate
0.05 – 0.2 mm/tooth
Adjust based on tool diameter and rigidity.
Cutting Depth
0.5 – 3 mm
Shallower cuts (<1 mm) for fine finishes.
Cutting Width
30–50% of tool diameter
Prevents tool deflection.
Machining Accuracy
±0.005 – ±0.025 mm
Depends on machine rigidity and tool wear.
Surface Roughness
Ra 0.8 – 3.2 µm
Finer finishes require slower feeds/polishing.
Tool Type
Carbide or diamond-coated end mills
Sharp, high-helix tools reduce heat.
Tool Diameter
3–12 mm
Smaller tools for intricate features.
Coolant Type
Air blast or minimal mist
Avoid excessive coolant to prevent thermal shock.
Chip Load
0.05–0.15 mm/chip
Ensures efficient material removal.
Ramp Angle
≤ 5°
Reduces tool stress during plunging.
Stepover
30–60% of tool diameter
Balance between efficiency and finish.
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