Case Library: Large Part and Structure Vision Inspection
Source:Project Case Library /
Date:2026-10-31
Explore EEK Automation project accounts by inspection method and application. Project ownership and English publication were confirmed by the company. Figures describe individual source projects, not universal equipment specifications. Independent acceptance records and on-site photographs are not supplied for every account.
3D Vision Measurement (31 cases)
Multi-camera, stereo plus laser, blue-light scanning and structured light for dimensional, form and profile measurement.
- 20-40 Cameras and 10-30 s Cover a 5 m Dashboard Bracket
- Area Scan or Line Scan for Wide-Field Large Parts?
- Inline 2D/3D Cell Checks a B-Pillar Around Laser Cutting
- Nearly 100 Cameras Fit a 1,000-Point Check Inside 75 s
- RGB-D Depth and Colour Measure a Pallet in One 6 s Shot
- Two Robots Judge BIW Holes, Studs and Edges in 45 s
- Chassis Studs and Locating Holes: 3D Check in 40 s
- Getting 100 Cameras Aligned Before the Line Stops
- Walking a 3D Scanner Along a 1 m Cylindrical Part
- Multi-Camera Measurement Meets 0.2 mm on a Tray in 96 s
- Stereo and Laser Measure a Car Body in 90 Seconds
- Aircraft Skin: Stereo Plus Laser Measures Without Tooling
- Online or Offline, Rail Frames Use One Measuring Setup
- Battery Housing: Stereo and Laser Check Every Face in 90 s
- Recognising Tens of Thousands of Plate Specs in 6 Seconds
- 300 Points in 200 Seconds, With Nothing Waiting in Line
- 1,000 Tray Points at 0.2 mm in 85 Seconds
- Several Tray Models Share One Measuring Station
- Battery Tray Feature Check: Multi-Camera Plus 3D at 88 s
- Holding 0.02 mm on a 100 mm Casting With Telecentric Optics
- 12 m Plate Parts: AI Plus 3D Sorts Tons Without Operators
- Capturing a Shiny Part in 3 Seconds Without Stitching
- Body Screws: Structured Light Catches Loose and Missing
- Finding 100 μm Cracks Before a Mining Casting Is Machined
- Building a 3D Feature Map on a Moving Body Line
- Three-Stage Vision Screens Coal Belt Objects in 2 s
- HVB Plate Debris: Laser Triangulation Finds 4 mm Bumps
- Hair-Thin Debris on a Pack, Found in 20 Seconds
- Large Auto Parts: 3D Plus Deep Learning in 98 s
- Multi-Model Line: Configure, Load, Measure in 95 s
- BIW Key Dimensions: 2D/3D Plus Laser at 0.02 mm in 90 s
AR and CAD Comparison (17 cases)
Tablet or handheld AR overlays the CAD model on the real part to check missing items, wrong parts and structural consistency on site.
- AR Overlay for Rail Parts: Skip the Haul, Check In Place
- Can Tablet AR Clear Welded Frames in 620 Seconds?
- Welded Frame Check: AR Zones Catch Missing Subparts
- Releasing Rail Parts at Goods-In in 660 s With Tablet AR
- Multi-Variant Large Parts: Scan, Overlay CAD, 360 s per Part
- Checking a Welded Structure Without Any Markers at All
- Frame Assembly Check: 110 to 38 Minutes With AR and AI
- Comparing 14 m Crane Assemblies Without a Metrology Room
- Rail Weldments: AR Twin Turns Deviation Into a Heat Map
- Screening Fixtures for 1 to 2 mm Deviation With a Tablet
- Three Gates, One AR Baseline for Large Weldments
- Checking 4,000 Body Welds in 0.4 Seconds
- BIW Quality Gate: AR Checklist, 900 s per Body
- Adding LiDAR to Hold an AR Overlay on Long Rail Bodies
- Bogie Frame Attachments: AR Group Checks in 580 s
- Numbering the Design Tree to Keep Symmetric Frames Straight
- Code-Led Checks Verify Diesel and Excavator Builds in 90 s
Missing and Wrong Part Proofing (14 cases)
Presence, quantity, orientation and position verification after assembly, including in-line full inspection with manual fallback.
- How Many Robots for Powertrain EOL? Start With the Point Map
- Fixed Views Beat a Circling Robot on Engine EOL Checks
- Setting a Pass Criterion per Feature Before Any Camera
- A Single CCD Station Covers 64 Battery Case Features
- Heavy Part Presence Check at 12 s Without Stopping the Line
- A Camera Under the Assembly: Fixed-View EOL Checks
- One 2D Camera for a Large Battery Guard, Judged in 15 s
- Reversed Is Not Missing: Four Verdicts at Final Assembly
- Cold Plate: Four 2D Cameras Stitch One Plate in 42 s
- Splitting Engine Checks by Station Instead of by Part
- Engine EOL: Two Cameras per Robot, PDA Covers Blind Spots
- Powertrain EOL: Floor Track Extends Robot Reach, 73 s
- Transmission EOL: 66 s Is a Budget, Not a Robot Count
- Stamped Panels: Camera Matrix Replaces 80 Percent Sampling
Assembly and Ply Positioning (14 cases)
Position and orientation verification before pick or assembly, and position guidance for ply layup and bonding steps.
- EOL Engine Checks: Why Judgment and Archive Cameras Split
- 10 m Bin, Weak-Edge Steel Parts: Stitched Views Feed 6D Pose
- Crankshaft Blanks: 3D Vision Poka-Yoke Stops Misloads
- Loading Engine Blocks With One 3D Camera and No Fixture
- Fusing Point Cloud and Image Yields 6D Pose in a Stacked Bin
- Engine EOL in 65 s: Pose, OCR and Missing-Part Checks
- Code-Switched Templates Drive Mixed-Model Die-Cast EOL
- Why 300 Tray Points Multiply Per-Point False Calls
- Blank Loading: Locate, Read the Code, Then Clamp in 20 s
- Transmission EOL: The Wrong Baseline Costs a Whole Batch
- Assembly Error Proofing: Camera Count Follows Blind Spots
- Eye-in-Hand Cameras Reach Points a Fixed Station Cannot
- Hole Locating Hands Over Coordinates in 3 s per Part
- Chassis Assembly: Put Checks Along the Steps, Not at the End
Surface Defect and Appearance (10 cases)
Imaging strategies and judgement limits for scratches, porosity, cracks and foreign matter.
- Cold Plate: Line Scan Plus Robot Re-Shoots at Rivets
- Why the Encoder Comes Before the Algorithm on a Sheet Line
- Porosity, Threads and a Barcode From One Robot Camera
- X-Ray and AI Judge a 16,000-Ton Rear Floor in 90 s
- Turning Light Direction Into Data on a Cast Block
- Cutting the Polished Region Before Any Algorithm Decides
- Designing the Light Before the Algorithm on a Polished Block
- Covering Six Faces and the Inside With Fewer Capture Points
- Why 64 Megapixels Beats Stitching on a Large Flat Part
- Moving 81 Inspection Standards Into a Library
Wind and New Energy Structures (3 cases)
Segment-wise station layout and measurement for 100 m blades, towers and other oversized parts.