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Polycarbonate settings for the Anycubic Kobra 2
Not recommended
These are tuned starting settings for printing Polycarbonate on the Anycubic Kobra 2. The Anycubic Kobra 2 has a direct-drive extruder with a PTFE-lined hotend, so we set the hotend to 240°C and the bed to 110°C. Polycarbonate is one of the strongest filaments but needs high temps and an all-metal hotend.
240°C
Hotend
110°C
Bed
49 mm/s
Speed
0%
Part fan
Recommended Polycarbonate profile
| Hotend temperature | 240°C (tower 260–300°C) |
| Bed temperature | 110°C |
| Print speed | 49 mm/s |
| Retraction | 1.2 mm (direct drive) |
| Part cooling fan | 0% |
| Bed adhesion | Very hot bed + enclosure; PC needs an all-metal hotend. |
| Nozzle | Brass 0.4 mm is fine |
| Difficulty | Advanced |
⚠️ Polycarbonate likes up to 300°C, but the Anycubic Kobra 2's PTFE-lined hotend caps it near 240°C — going hotter degrades the PTFE tube and releases fumes.
⚠️ Because the Anycubic Kobra 2 is not all-metal, keep the hotend at or below 240°C. For the hottest Polycarbonate brands you would need an all-metal hotend upgrade.
⚠️ Polycarbonate warps without an enclosure and the Anycubic Kobra 2 is open-frame. Block drafts, raise the bed temp, and add a brim; for tall parts an enclosure is strongly recommended.
💡 Best uses for Polycarbonate: high-heat parts, impact-resistant parts.
Shop Polycarbonate on Amazon →
FAQ
- What temperature should I print Polycarbonate on the Anycubic Kobra 2?
- Start at 240°C for the hotend and 110°C for the bed, then run a temperature tower across 260–250°C to dial in your exact filament brand.
- What print speed works for Polycarbonate on this printer?
- Around 49 mm/s is a safe starting point on the Anycubic Kobra 2. This printer can go faster once the profile is tuned, but start conservative for clean walls.
- What retraction should I use?
- Use about 1.2 mm of retraction (direct drive needs very little). If you see stringing with Polycarbonate, raise retraction speed before distance and dry the filament.
- Do I need an enclosure for Polycarbonate on the Anycubic Kobra 2?
- Yes — Polycarbonate really wants an enclosure and the Anycubic Kobra 2 is open, so expect warping on large parts without one.