PEEK is a high-performance thermoplastic with excellent strength, temperature resistance and chemical resistance, often used to replace metal in medical, semiconductor and aerospace parts.
Plastics We Machine
| Plastic | Key properties | Typical uses |
|---|---|---|
| PEEK | High temperature, chemical resistance, strength | Semiconductor, medical, aerospace |
| POM (Delrin) | Low friction, dimensional stability | Gears, bushings, fixtures |
| ABS | Tough, low cost | Housings, prototypes |
| PC (Polycarbonate) | Impact resistant, transparent | Covers, lenses, guards |
| PTFE (Teflon) | Very low friction, chemical resistance | Seals, insulators |
| Nylon (PA6/PA66) | Tough, wear resistant | Wear parts, rollers |
Machining Plastics
Plastics need sharp tools, controlled heat and careful fixturing to prevent deformation. Thin walls and tight tolerances should be reviewed during DFM.
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