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Thickness Measurement System
Project Type
Internal R&D Concept
Client
Ultium Cells, LLC
Timeline
August 2024 - On Hold (25% completed)
Status
Initial design and testing phase completed; paused due to company priorities.
Roles & Responsibilities
1. Designed and built the early-stage light diffraction system, including:
o Slit (≈25 µm) and its adjustable holder
o 50 mm focal length C-mount lens and its adjustable mounting system
o Camera adjustment assembly and integration plate
2. Integrated mechanical design with input from software/computer vision team for diffraction testing.
3. Generated toolpaths and G-codes for all the parts using Creo CAM and machined them on a Haas 3-axis CNC milling machine (TM-2P) using 6061 aluminums.
4. Assembled components and conducted early optical validation tests.
Technologies Used
1. Design: PTC Creo
2. CAM: Creo CAM
3. Manufacturing: Haas TM-2P (3-axis CNC)
4. Materials: 6061 Aluminum
5. Testing: Optical diffraction setup with lens-camera alignment system.
Key Highlights
- Developed a functioning slit prototype with ~25 μm width.
- Build adjustable alignment mechanisms for slit, lens and camera focus.
- Collaborated cross-functionally with the software team to test diffraction quality and signal accuracy.
Measuring the thickness of the uncoated foil region or electrode tab connection area using an optical measurement system in conjunction with the Electrode coating machine. This measurement is crucial to ensure uniformity across the strip after the slitting process. The measurement involves the diffraction of light from a slit and the beam width to accurately measure and verify the uniformity of the uncoated foil region.
