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Vision Inspection System

The Vision Inspection System is an inline vision solution that automatically inspects product position, dimensions, appearance, and defects using cameras, optics, lighting, and in-house software—and performs alignment when required. It detects position deviation, dimensional defects, and surface defects (scratches, cracks, contamination, etc.) before and after laser welding, assembly, and machining to maintain stable quality.

It replaces or supplements manual inspection on high-volume, precision-critical lines such as secondary battery, automotive, and electronic component production.

  • Higher inspection quality and reliability
  • Reduced reliance on labor and inspection cost
  • Lower defect rate and cost
  • Improved process stability and laser weld quality
  • Data-driven quality management and traceability
Vision Inspection System

Key Features

High-Resolution Camera Inspection

2D (option: Line / 3D) camera with telecentric lens for micron-level dimension, position, and appearance inspection.

Position & Alignment

Recognizes part position and rotation deviation, auto-corrects laser weld and process points, and interfaces with OTF and scan-head control.

Appearance & Defect Inspection

Inspects scratches, cracks, spatter, contamination, coating defects, missing parts, and dimensional, gap, step, and form defects.

Dedicated Algorithm & Deep Learning (Option)

Rule-based image processing and optional deep learning for defect classification and automatic NG judgment.

Inline Auto Judgment & Line Interface

Automatic OK/NG and NG code judgment; interfaces with PLC, equipment, and history system for auto reject, re-inspection, and sorting.

Real-Time Monitoring UI

Live view, zoom, history, and NG image review for easy use by quality and line operators.

Applications

Secondary Battery

Electrode tab/foil position and dimensions, can weld appearance, module and pack assembly, busbar alignment and step inspection

Automotive & Electrical

Hairpin motor coil, inverter/converter contacts, terminals, connectors, sensor housing, brackets, and other electrical component inspection

Electronics & Precision

Micro parts for mobile, wearable, and IT devices; PCB and connector pin mounting, step, and alignment inspection

Other Laser & Assembly

Laser marking position, post-process shape, and dimension/form inspection after assembly, press, or forming

Specifications

Category Item Spec
Basic System Type Vision Inspection System
Application Laser weld appearance/shape inspection, alignment and position correction
Inspection Target Electrode tab, foil, can top/side, module/pack, assemblies, etc.
Inspection Items Position, dimension, form, scratch, crack, spatter, contamination, etc.
Camera / Optics Camera Type High-resolution 2D Area Scan (option: Line / 3D)
Resolution 5–12 MP (process-dependent)
Recognition Accuracy Approx. ±2–3 μm
Lens / Lighting Telecentric lens + Ring / Coaxial / Bar illumination
Inspection Alignment / Dimension Accuracy ±3–5 μm or better
Min. Defect Size Approx. 30 μm surface defect detection
Cycle Time Tens of ms per piece (designed to line speed)
Line Speed 20 – 80 m/min (process-dependent)
Algorithm / SW Inspection Method Rule-based image processing + pattern / edge analysis
Deep Learning (Option) Defect classification / automatic NG classification (option)
Result OK / NG, NG code, and image log
Interface / Logging Communication EtherCAT / Ethernet / Digital I/O
Upper Interface PLC, MES, SCADA
Data Management Image and defect history storage, lot/time statistics
Environment Power AC 220 V / DC 24 V (system-dependent)
Operating 10 – 35°C, inline fixed or modular