Solder Paste Inspection (SPI) is a crucial step in Surface Mount Technology (SMT) manufacturing. It is conducted before component placement on the printed circuit board (PCB). SPI uses advanced optics and imaging techniques to analyze the solder paste, measuring key parameters like height, volume, area, and stencil offset.
This inspection is essential as inaccurate solder paste deposition can lead to defects such as insufficient solder, bridging, and tombstoning. By comparing the actual paste deposition with the intended design, SPI can identify issues early, allowing for immediate correction. This helps reduce costly rework or scrap later in the assembly process, thus improving the overall production efficiency and product quality.
| Model | REFINE-XS |
| Inspection Module | |
| Camera Specification | 5M High-frequency Industrial Camera, High Frame Number (Factory Setting); 12M Option |
| Pixel | 20μm, 15μmꢀ(Factory Setting) |
| FOV(single field of view) Range | 40×40 mm, 30×30 mm (Factory Setting) |
| LED | RGB + TOP |
| Light Source | 0 – 550 μm |
| Height Inspection Resolution | 0.36 μm |
| Height Inspection Accuracy | 1μm (Based on the actual solder paste/calibration block) |
| Inspection Item | Volume, Area, Height, X/Y Position, Bridging, Shape, etc |
| Defective Type | Excessive/Insufficient/Missing paste,Bridge,2D & 3D Paste displacement, Shape deformity, Dust, etc |
| Repeatability (Volume, Area, Height) | <1% @3sigma |
| GR & R (Gauge Reproducebility and Repeatability) | < 10% (@6sigma tolerance = +/- 50%) |
| Inspection Speed | 0.35Sec / FOV |
| Conveyor & PCB Size | |
| Max PCB Size | 460×410 mm |
| Min PCB Size | 50×50 mm |
| PCB Up-Clearance | 30 mm |
| PCB Bottom-Clearance | 30 mm |
| PCB Thickness | 0.5-5 mm |
| Max PCB Warpage | ±3 mm |
| PCB Transfer Height | 2.5mm |
| PCB Transfer Height | 900±20 mm |
| Max PCB Weight | 5KG |
| Frame & Others | |
| Base & Frame | Integra1 steel casmting frame; firmly, ensure high accuracy of inspection |
| Dimensions and Weight | 947x1321x1600mm (W x D x H) 950KG |
| Power Supply | AC 220V 1Φ 50/60Hz |
| Power | 2.2KW |
| Communication Interface | SMEMA |
| Air Supply | 4-6bar，5L/min |
| Operating Condition | 5-40℃, 15-90% RH |
| Options | |
| 1. BarcodeReader | 4. Repair Station (PC) |
| 2. 3D Calibration Target | 5. Infared Muti-touch LCD + Voice Control |
| 3. 2D Calibration Glass | 6. Offline Editing Software (License Key) |
| The above contents are subject to change without further notice! | |
