Roboter-Laserschneidmaschine für Aligner

Machine Description

This patented aligner trimming cell is designed for the fully automated, high-precision trimming of orthodontic aligners made from polyurethane and other dental elastomers.

The system combines laser-based cutting technology with a 6-axis industrial robot, enabling unit-of-one production with infinite geometric variance at industrial throughput.

Each aligner is processed individually based on patient-specific 3D data.
Automated 3D path planning ensures precise, repeatable trimming of complex and filigree contours without mechanical contact.

Key Features
Patented laser trimming cell for orthodontic aligners
6-axis industrial robot with advanced motion and path planning
Contactless laser cutting process
No tool wear, no radius limitations
Clean process with minimal contamination
Suitable for polyurethane and comparable dental materials
Fully automated operation
Designed for batch size one and mass customization
Seamless integration into automated production lines

Technical Advantages
Compared to blade or milling-based trimming methods, laser cutting offers:
Constant cutting quality independent of tool wear
High contour accuracy for complex geometries
Reduced scrap and rework
Stable processes at high production speeds

Special attention has been given to robot dynamics, vibration control, and process stability, enabling damage-free trimming despite the lower stiffness of 6-axis robots compared to classical CNC machines.
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Applications
Orthodontic aligner production
Digital dental manufacturing
Automated medical device production
High-variance, unit-of-one manufacturing environments

Integration & Automation
The trimming cell is designed for easy integration into fully automated aligner production lines, including upstream thermoforming and downstream handling or inspection systems.