AMS Internal Hub Unit

Bambu Lab AMS Internal Hub Unit

The AMS Internal Hub Unit is the central switching and transport assembly inside the Bambu Lab AMS. It is responsible for selecting the active filament channel, conveying filament from the AMS to the printer, and monitoring filament movement during operation.

This unit integrates filament selection, conveyance, speed measurement, and filament detection into a single assembly, ensuring smooth multi-material and multi-color printing performance. It is a direct replacement for a worn or damaged internal hub unit.

Important: Screws are not included. Retain all screws from the original AMS internal hub unit for reinstallation.

Key Features

• Selects active filament channels inside the AMS
• Transfers filament from AMS to printer
• Integrated filament detection
• Built-in filament conveyance speed measurement
• Core mechanical assembly for AMS operation

Compatibility

• Bambu Lab AMS

What’s Included

• AMS Internal Hub Unit × 1

Installation Note

Original mounting screws must be reused from the existing AMS internal hub unit.

Specifications

• Materials: Plastic, metal, rubber
• Color: Black