Extrusion
Dual nozzles
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Dual nozzles
65°C
Filament path & extrusion
| Printing technology | FDM |
|---|---|
| Build volume | 256 × 256 × 260 mm |
| Maximum nozzle temperature | 300 °C |
| Maximum chamber temperature | 65 °C |
| Extrusion | Dual nozzle; servo main extruder |
| Filament diameter | 1.75 mm |
| Included material system | AMS 2 Pro |
Bambu Lab
Build functional parts with dedicated main and auxiliary nozzles, active chamber heating and automated print monitoring. This Combo includes AMS 2 Pro.

Use dedicated nozzles for two colours, support interfaces or complementary materials while reducing unnecessary purging and changeover time.

The enclosed platform is designed for stable production with engineering materials and demanding multi-material combinations.

Integrated calibration, monitoring and material-management tools help make complex prints more repeatable from preparation to completion.

Use the main nozzle for the part and the auxiliary nozzle for a compatible support material. This separates materials at the interface and can simplify support removal from overhangs and internal geometry.

Dual nozzles support complementary material combinations and reduce unnecessary flushing between selected materials. For example, compatible rigid and flexible materials can be assigned to different regions of one design; adhesion must suit the combination.

A gear-and-trigger mechanism switches the active nozzle without adding a separate motor to the toolhead. Lower moving mass helps control inertia and vibration during directional changes.

Two air intakes bring cooler air into the chamber when printing lower-temperature materials. Cooling stabilises freshly extruded lines, while the heated-chamber mode serves materials that need greater thermal consistency.

Flow calibration models the behaviour of the current extrusion system, including changes in nozzle condition and material. Servo pressure control and vibration compensation work together to preserve surface consistency and sharper corners.

The manufacturer lists 31 sensors covering material feeding, printing, thermal conditions and machine safety. Camera checks look for debris, plate-placement problems, spaghetti, nozzle clumping and purge-chute obstruction.

A G3 pre-filter, H12 HEPA filter and activated carbon help reduce particles and odours. The reported UL 2904 testing concerns specific Bambu PLA Basic and PETG Basic combinations rather than every possible filament.

Tool-free nozzle changes simplify maintenance. Noise-control features, chamber lighting, remote live view and timelapse recording support day-to-day use, while firmware updates can add functions over time.
The AMS Combo includes AMS 2 Pro; the printer-only version does not. Main and auxiliary hotends serve different roles and should not be treated as interchangeable. Expansion to additional AMS units requires the correct adapters and power arrangement.