iTECH SMT Machines
3D AOI Machine for SMT Assembly Inspection
3D AOI Machine for SMT Assembly Inspection
Factory
NO.1,Shanha Road Nanming Mountain Street, Liandu District, Li Shui Shi
323000 Zhejiang
China
Factory Wenzhou
6/F, International Chamber of Commerce Building, Renhui Road, Ouhai District Wenzhou
325000 Zhejiang
China
High-Precision 3D Automated Optical Inspection System for SMT Production Lines
The 3D AOI (Automated Optical Inspection) system is designed for high-accuracy inspection of SMT assemblies, providing reliable detection of soldering defects, component placement errors, and coplanarity issues, including lifted IC pins, body tilts, and solder voids.
Using the existing 2D RGB inspection technology, our 3D AOI machine combined with 3D SPI measurement, uses four-direction multi-frequency digital fringe projection for shadow-free imaging, providing full-board 2D+3D optical inspection capabilities, ensuring consistent quality control in lead-free SMT production lines.
The system is suitable for inline or offline inspection and supports a wide range of PCB sizes and component types, including 0201 components, fine-pitch ICs, BGAs, QFNs, and connectors. With intelligent defect classification and low false-call rates, iTECH SMT 3D AOI helps manufacturers improve yield, reduce rework, and enhance overall production efficiency.
- Supports inspection of various components, Min. 0201
- Compensates PCB warpage after reflow for stable inspection
- Breaks vision limits, enabling full 2D+3D inspection up to 35mm high components
- AI-driven programming enables 5-minute model changeovers
- Unified algorithms and calibration ensure consistent AOI results
- Multiple accuracy modes balance inspection speed and precision
- 4D & 8-projector 3D AOI ensures full-angle, high-precision detection
Professional Service
Everyone has many years of international trade experience, we communicate with customers in time and earnestly

















