LEAPER Visual Inspection Solutions for Li-ion Battery
LEAPER's configurable vision systems are widely used in all process stages of lithium battery production. At present, we can provide customized vision inspection solutions for the raw material section-defect detection of copper, aluminum foil and diaphragm; the production section-defect detection and width measurement of coating and slitting process; the core section-die-cutting machine, stacker, cut-and-stack machine; and the pack section-vision-guided welding, The core section-die cutter, laminator, cut and stack machine; pack section-vision guided welding, etc., we can provide customized vision inspection solutions for customers.
Platform software, full process section inspection coverage
In the raw material, to realize the detection of diaphragm, aluminum-plastic film, etc; In the front section, responding to inspection needs such as coating and die-cutting; In the middle section, responding to visual inspection of laminated winding; In the back section, to complete the battery module components welding quality inspection and finished product appearance inspection.
Multiple core technologies, focus on visual inspection
With rich experience in measurement and positioning as well as defect detection cases, the self-developed traditional general vision platform with AI can solve the inspection problems and achieve accurate positioning and measurement while improving inspection accuracy.
Visual Inspection Process for Li-ion Battery Intelligent Manufacturing Industry
Coating Process
Coating Process
Software Interface
Roll Measurement and Surface Defect Detection
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Inspection Content: Roll surface detection, Film width measurement, Tab width measurement, Ceramics width measurement.
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Defect detection accuracy: 0.3mm
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Measurement accuracy: 0.05mm/pixel
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Algorithm Execution Time: ≤0.5s/pcs
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Core Components: line scan camera, High intensity line scan lights, Industrial intelligent processing center.
Cell Production Process
Cell Production Process
Software Interface
Full-size Inspection of Electrode after Die Cutting
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Installation Process: Tab welding machine
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Installation Position: after slitting
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Inspection Width: 250mm*250mm
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Camera Model: 890W
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Number of Cameras: 3
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Accuracy: 50μm/pixel
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Inspection Requirements: size ± 0.1mm, angle ± 0.15°
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Inspection Type: Measurement
Surface Inspection of Stacking
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Installation Process: Slitting & stacking integrated machine
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Installation Position: after slitting
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Inspection Width: 289mm*100mm
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Camera Model: 4K
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Number of Cameras: 2
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Accuracy: 28μm/pixel
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Inspection Content: (1) Appearance detection: R-corner trimming, dog-ear judgment, nick detection, etc. (2) Defect detection: hole, smudge, scratch, burr, etc.
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Detection Accuracy: ≥0.3mm
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Detection Speed: ≤0.5s
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Core Components: line scan camera, Industrial lens, High performance line light source
Positioning & Correction Detection
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Accuracy Requirements: ±0.05mm
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Beat: ≤0.15s
Overhang Detection
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Accuracy Requirements: ±0.1mm
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Beat: ≤0.15s
Pouch Cell Surface Defect Detection
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Inspection Content: Smudge, scratch (strips), creases, swollen, crack, wound (face), wrinkling
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Detection Accuracy: 0.5mm/pixel
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Detection Speed: ≤0.5s
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Core Components: 20MP area scan cameras
Stick Detection of Pouch Cell
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Inspection Content: Tape position, whether glued
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Detection Accuracy: 0.05mm/pixel
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Detection Speed: ≤0.2s
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Core Components: 5MP area scan cameras
Li-ion Battery Module/PACK Process
Welding Guidance Plans for Cap Plate of Prismatic Cell Module
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Inspection Content: Visual guide for cathode&anode laser welding, explosion-proof valve laser pre-welding and full welding, lead tag laser welding
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Detection Accuracy: 0.05mm/pixel
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Detection Speed: ≤0.2s ( excluding laser processing time )
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Core Components: Area scan cameras, Red ring light
Defect Detection of Battery Cap
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Inspection Content:Coordinate positioning of cap nails to guide laser welding
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Static Repetitive Positioning Accuracy: ＜0.5pixels
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Dynamic Repetitive Positioning Accuracy:＜2pixels
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Detection Speed: ≤0.2s ( excluding laser processing time )
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Core Components: Area scan cameras, Red ring light
