Small Metal Part Cosmetic Defect AOI
A cosmetic-defect AOI for small metal parts, built from three sections: a loading machine, an AOI machine and an unloading machine. A robot picks up six parts at a time from the tray and places them in a fixture for secondary positioning; the parts then go through 2D inspection of the side and bottom surfaces, are rotated 180° for pillar bottom and side inspection, and move to a top-surface fixture for top surface, R-corner and sidewall inspection. The unloading module sorts the parts into OK and NG trays.
- Cycle time (CT)
- 1.1 s/pcs
- Throughput
- ≥3000 pcs/H
Specifications
- Overkill rate
- ≤15%
- Escape rate
- ≤0.5%
- Footprint
- L*W*H (mm): 1. 700(L)*1600(W)*2100(H); 2. 1500(L)*1600(W)*2100(H); 3. 850(L)*1600(W)*2100(H)
- Line composition
- Loading machine, AOI machine, unloading machine
- Suitable products
- Small elongated metal parts with pillars (two part types shown)
- Inspection type
- 2D inspection of side and bottom surfaces; pillar bottom and side; top surface, R-corner and sidewall
- Defect types (A surface)
- Scratch, dent, soft edge, large & small R edge, structure incomplete, shiny line, uneven brushing line, hair line
- Defect types (R chamfer)
- Vibrated cutter mark at R edge, damage at R edge
- Defect types (bottom surface)
- Edge blur, dent and scratch at piston tip; 0.16 hole blur; 0.16 hole damage; cutter mark, crash and scratch at bottom
- Defect types (sidewall)
- Scratch, discoloration and crimp edge at sidewall; structure incomplete; vertical and horizontal cutter marks; foreign matter, scratch, damage and cutter mark at pillar groove; damage, scratch and cutter mark at pillar
- Loading/unloading method
- Operator loads a batch of trays into the loading bin; robot picks up 6 parts at a time; unloading module sorts parts into OK and NG trays
- Mechanism
- Secondary positioning in the fixture; motor rotates the parts 180°
- Process
- Tray loading → robot pick (6 parts) → fixture and secondary positioning → side and bottom 2D inspection → 180° rotation → pillar bottom and side inspection → top-surface fixture → top surface, R-corner and sidewall inspection → OK/NG sorting
See it in action
Silent clips from our 3D machine animations. While a clip is playing, you can pause it from the corner button.
3D animation A row of nozzles picks the parts up from the fixture; the view then swings to the cameras, where the parts pass through for side and bottom inspection. 
3D animation Unloading: the nozzles lower one by one and set the parts into the pockets of the tray.
Highlights
CT 1.1s/pcs, UPH ≥3000pcs/H
Three sections in one line: loading machine, AOI machine and unloading machine
Robot picks up 6 parts at a time from the tray
Secondary positioning in the fixture before inspection
Multi-surface inspection: side and bottom surfaces, pillar bottom and side, top surface, R-corner and sidewall
Motor rotates the parts 180° between inspection steps
Automatic sorting into OK and NG trays
Defect list of 31 items across the A surface, R chamfer, bottom surface and sidewall
Overkill rate ≤15%, escape rate ≤0.5%
Typical application
Cosmetic defect inspection of small metal parts
Interested in this product?
Contact our engineering team for pricing and technical details.
Talk to an engineer