HW-M3 Offline AOI
The HW-M3 is an offline automated optical inspection (AOI) machine from HWGC, a China SMT machine manufacturer, for board inspection after reflow and wave soldering outside the production line. A high-speed full-color digital camera and a high-brightness RRGB coaxial LED tower light inspect boards on a marble platform flat to within 3 μm, comparing solder joints with the process database. It handles PCBs from 50x50 mm to 430x330 mm, needs no compressed air and weighs about 400 kg, making it a flexible AOI machine for high-mix PCB assembly and SMT quality control.
Key Features
- Offline AOI for post-reflow and post-wave-solder inspection, ideal for high-mix, low-volume lines
- Marble platform flat within 3 μm for stable, temperature-insensitive imaging
- High-speed full-color digital camera: 0402 components processed in under 6 ms, under 100 ms per frame
- High-brightness RRGB coaxial ring tower LED light source for uniform color illumination
- Weighted imaging data difference analysis plus color image comparison and color extraction
- Multiple algorithms including similarity, binarization, OCR and OCV, with automatic parameter setting
- Safety light curtain protection, SPC statistics and repeat-defect alarm settings
- Central server management, automatic 1D/2D barcode recognition, TCP/IP remote control and Windows 7 Professional
Technical Specifications
| Product Model | HW-M3 |
| Board Inspection | Offline inspection before and after reflow, SMT and DIP boards |
| Algorithms | OCV, OCR, TOC, Histogram, Match, Short, Other, PIN, Length, Hole, CREST, Pole, Offset, Compare, PadPlace; auto-set per point |
| Camera | Full-color intelligent digital camera |
| Image Processing Speed | 0402 component under 6 ms; frame under 100 ms |
| Light Source | High-brightness RRGB coaxial ring tower LED light source (color) |
| Programming Mode | Manual teach, auto frame drawing, CAD import, component library import; offline/remote programming paid options |
| Remote Control | TCP/IP remote operation: view, start or stop the machine, modify programs |
| Solder Paste Printing | Bridging, offset, missing/excess paste, foreign matter |
| Surface Mount | Bridging, wrong/missing part, polarity, offset, tombstone, reverse, damage, bent IC leads, foreign matter |
| After Reflow | Wrong/missing part, polarity, offset, tombstone, reverse, damage, bent IC leads, foreign matter, missing or excess solder, bridging, false solder, solder balls |
| After Wave Solder | Polarity, missing, extra or wrong part, damage, reverse, offset, skew, inserted pins, missing or excess solder, holes, false solder, solder balls |
| Special Functions | Auto program recall, multi-up panel multi-program inspection, front/back inspection; 0-359 degree rotation (1 degree) |
| Smallest Part | 10 μm; 01005 chip and 0.3 mm pitch IC |
| SPC and Process Control | Full data recording, statistics and analysis; production and quality analysis by area; Excel and TXT export |
| Barcode System | Automatic 1D/2D barcode recognition |
| Central Management System | Central server for several AOI machines |
| Operating System | Windows 7 Professional |
| Other | 21.5-inch LCD monitor, OK/NG signal |
| PCB Size | 50x50 mm (min) to 430x330 mm (max) |
| PCB Thickness | 0.3-5 mm |
| Clamping Edge Clearance | Top 3.5 mm, bottom 3.5 mm |
| Maximum PCBA / FPCA Weight | 3 kg |
| PCB / FPC Warpage | Under 5 mm or 2% of PCB diagonal |
| PCB Clearance | Top side 30 mm, bottom side 60 mm |
| Conveyor System | Double-sided auto-opening clamps; automatic warpage compensation |
| Conveyor Height | 850-920 mm |
| Conveyor Flow / Time | PCB moves in Y; board in/out 2.5 s |
| X/Y Platform Drive | Ball screw and AC servo; PCB fixed, camera moves in X |
| Power Supply | AC 220 V, 50/60 Hz, under 0.5 kVA |
| Air Pressure | Not required |
| Machine Weight | Approx. 400 kg |
| Machine Dimensions | 870x1060x1320 mm (L x W x H) |
| Ambient Temperature | 10-35 °C, 35-80% RH, non-condensing |
| Safety Standard | CE compliant |
SMT Industry News
Smart factory integration with MES connectivity and real-time process data is spreading across SMT lines, and inspection equipment is expected to feed quality data into that system rather than sit outside it. AI server boards and high-end computing PCBs are also driving strong demand for SMT capacity, which raises the value of every board sent to rework. An offline AOI machine answers both trends: it changes programs quickly for high-mix orders and exports SPC results pointing to the printing and placement processes behind a defect. For factories balancing throughput and quality, offline inspection remains a cost-effective way to keep PCB assembly under control.
Applications
The HW-M3 sits beside the production line and is loaded manually, which suits factories running many products in small batches. Quality teams use it to inspect boards after reflow and after wave soldering, checking solder joints, component presence, polarity and offset against the process database. It also handles PCB and FPC assemblies with warp or flex, because the conveyor compensates for board warpage automatically. Contract manufacturers, repair stations and OEM quality departments use it for incoming audits, first-article checks and batch sampling, supported by SPC reports and barcode traceability.
Foreign Trade Sales: Mr. Sun
Phone · WhatsApp · WeChat: +86 18210740377
Email: zghwgc@gmail.com
Website: www.smthw.com
Factory Address: Building 21, Junding Science & Technology Park, Shiyin Village, Luquan District, Shijiazhuang, Hebei, China
