Machining Carbon-Filled PEEK (30% CF): Speeds & Feeds, Tooling & Best Practices
Technical machining guide for Carbon-Filled PEEK (30% CF) (Carbon Fiber Reinforced Thermoplastic): optimal cutting speeds (80 - 180 m/min), feeds (0.06 - 0.15 mm/tooth), hardness (90 Shore D), and precision manufacturing practices.
Engineering Specifications & Parameters
| Chip Load (fz) | 0.06 - 0.15 mm/tooth |
| Material Grade | Carbon-Filled PEEK (30% CF) |
| Material Hardness | 90 Shore D |
| Cutting Speed (Vc) | 80 - 180 m/min |
| Alloy Classification | Carbon Fiber Reinforced Thermoplastic |
| Primary Applications | High-temperature aerospace bushing brackets, semiconductor w... |
Material Properties & Machinability Profile
Carbon-Filled PEEK (30% CF) is classified as a Carbon Fiber Reinforced Thermoplastic widely specified for mission-critical components requiring High-temperature aerospace bushing brackets, semiconductor wafer carriers, and downhole bearing cages..
Engineering Kinematics & Cutting Parameters
- Material Hardness: 90 Shore D.
- Recommended Cutting Speed ($V_c$): 80 - 180 m/min with dedicated substrate coatings.
- Chip Load ($f_z$): Maintained between 0.06 - 0.15 mm/tooth to prevent tool rubbing or excessive mechanical shock.
- Machinability Challenge: Abrasive chopped carbon fibers cause severe abrasive edge blunting; requires PCD (polycrystalline diamond) tipped tooling.
- Tooling Strategy: Employs high-pressure flood coolant (>= 30 bar) and micro-grain carbide or specialized inserts with positive rake geometries.
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Frequently Asked Questions
What cutting speed is recommended for Carbon-Filled PEEK (30% CF)?
Optimal cutting speeds range from 80 - 180 m/min depending on roughing vs finishing passes and machine tool rigidity.
How does UCAN ROBOT manage tool wear when cutting Carbon-Filled PEEK (30% CF)?
We implement in-process tool monitoring, rigid toolholder systems, and high-pressure through-spindle coolant to dissipate cutting heat immediately.
