Top-bottom simultaneous PCB laser marking machine for double-sided QR code and barcode marking. Two UV/CO₂/fiber laser heads mark both sides in one pass. ±0.02mm accuracy. CCD vision on both sides. MES ready. Doubles production efficiency.
Available with UV, CO₂, Green or fiber laser sources for each head, the system supports different solder mask colors and surface materials on the top and bottom sides independently. Integrated CCD vision cameras on both sides ensure accurate positioning, while the synchronized software controls marking parameters, data linking, and MES communication.
Ideal for PCB manufacturers, SMT assembly lines, and electronics service providers processing double-sided boards for automotive, medical, and consumer electronics applications.
2. Whether the PCB is with white oil or black oil;
3. Whether the PCB boards with components;
4. The thickness and maximum size of the PCB;
5. Whether the code marking positions painted with white oil;
6. Whether the PCB requires dual-sided marking;
7. The minimal size of QR code and how many characters included;
8. A sample needed to choose the right laser source;
9. Whether docking with MES;
10. Whether smoke purification system, loading and unloading equipment required (offline model).

| Serial number | ModelNo. | VIPIN-4651TB |
| 1 | Laser type | UV/CO2/GREEN/Fiber |
| 2 | Laser power | 5W/10W/5W/20W(Output fluctuation rate<3%) |
| 3 | Laser Wavelength | 355nm/10640nm532nm/1064nm |
| 4 | Laser Cooling Method | Water Cooling/Air Cooling/Air Cooling/Air Cooling |
| 5 | Minimum point diameter | 0.13mm |
| 6 | Engraving Angle | 0-360° |
| 7 | Repeat Accuracy | ±0.02mm |
| 8 | Marking Speed | 0-7000mm/s |
| 9 | QR code size(minimun) | 1mm×1mm(3mm*3mm for CO2) |
| 10 | Marking content |
QR Code/Micro QR Code/IQR Code/Data Matrix/GS1 Data/Matrix/PDF417CODE39/CODE128/TF/NW- 7/JAN(EAN)/UPCEnglish Uppercase/English lowercase/Figure/Katakana /Chinese Chatacters |
| 21 | PCB Flow | Left-right /Right-left |
| 22 | PCB Size Range | 50mmx50mm-500mmx450mm |
| 13 | Board Thickness Range | 0.5-7mm |
| 14 | Working Method | Laser Movable |
| 15 | Allowed Deformation | 3mm |
| 16 | Transition Speed | 0-3000mm/s |
| 17 | Working Station Height | 900±50mm |
| 18 | Positioning System | MARK+CCD Camera Visual Positioning |
| 19 | Software Function |
It has the functions of laser engraving clear code and cipher code;it has the function of reading two-dimensional code;it has the fiunction of anti-duplication and code complement,it has the finction of detecting BadMark,it has the finction of custom coding rules |
| 20 | Air Pressure | ≤0.8 Mpa |
| 21 | Double-Sided Marking | Top-Bottom Heads Laser Engraving Simultaneously |
| 22 | Board Fixing System | Support |
| 23 | PCB Pass Height | UP:25mm Down:15mm |
| 24 | Track Width Adjustment | Manual/Automatic |
| 25 | Barcode Verifying System | CCD Reading |
| 26 | Barcode Grade Analysis | No/Optional |
| 27 | Barcode Database | Get Data From MES/ERP/SAP,or Generate Automatically |
| 28 | System Connection Function | Access to Shop floor,MES,IMS System,and so on |
| 29 | Software Interface | Chinese or English |
| 30 | Control System | PC+Shaft Card+Servo |
| 31 | Poka-yoke Function | Support |
| 32 | Smoke Treatment Method | Smoke Purification System |
| 33 | Bad Boards Identification | Support |
| 34 | Equipment Power | 2.5KW |
| 35 | Options |
Simultaneous typing and simultanous reading.reserved hardware structure/QR code recognition and classification function/ MESERP/SAP/MS/Smoke purification system |
| 36 | Operating power of the whole machine | 220-240VAC,50/60Hz,Single-phase,GND connection point |
| 37 | Output of Codes | 1800 codes/h at least(for code's size 3mm*3mm) |
| 38 | Code Max Size | Can be the same as Field Lens Range:100mm*100mm |
| 39 | Total Weight | Approx.620kg |
| 40 | Appearance size(length/width/height) | 2000mm×1050mm×1600mm |
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