AM050FH MBB PV Cell Soldering Stringer - Fully Automatic Solar Cell Tabber Stringer
High-Speed Multi-Busbar Cell Soldering and Laser Cutting Solution for Solar Panel Production Lines
The AM050FH MBB PV Cell Soldering Stringer is a state-of-the-art fully automatic tabber stringer machine designed and manufactured by Ooitech for modern solar panel production lines. This advanced equipment integrates non-destructive laser cell cutting and precision ribbon soldering into a single automated workflow, delivering exceptional throughput and quality for solar module manufacturers worldwide.
Engineered to handle mono-crystalline and poly-crystalline silicon cells ranging from 161mm to 230mm, the AM050FH supports a wide busbar range from 3BB to 24BB, making it fully compatible with mainstream MBB (Multi-Busbar) and SMBB (Super Multi-Busbar) cell technologies including PERC, TOPCon, and other high-efficiency cell architectures. The integrated laser cutting module enables half-cut cell processing as standard, with an upgrade path available for 1/3-cut strip production.
By combining PLC control, YASKAWA/STAUBLI SCARA robots, DALSA industrial CCD cameras, and high-precision servo systems, the AM050FH achieves a peak soldering speed of up to 6800 strips per hour while maintaining a cell crack rate of ≤0.2% and positioning accuracy of ±0.05mm. From cell cassette loading to finished string outlet, every step is fully automated, minimizing manual intervention and maximizing production consistency.
Whether you are building a new solar panel manufacturing facility or upgrading an existing production line, the AM050FH MBB PV Cell Soldering Stringer provides the reliability, speed, and precision required for competitive solar module production at scales from 50MW to 1GW.
Technical Specifications
Basic Machine Parameters
| Parameter | Specification | Remarks |
|---|
| Machine Model | AM050FH | MBB PV Cell Soldering Stringer |
| Machine Uptime | ≥95% | Based on (1 - unscheduled downtime/24H) |
| HMI Peak Speed | ≥6800 strips/hour | For 161-230mm half-cut cells, 3BB-24BB |
| Cell Crack Rate | Mono-Si ≤0.2%; Poly-Si ≤0.2% | Popular Grade A cell, thickness ≥170μm |
| Overall Positioning Accuracy | Deviation ≤±0.05mm; Angular ≤±0.04° | High-precision servo and CCD system |
| Cutting Accuracy | ≤±0.1mm | Laser grooving and thermal splitting |
| Average Laser Power | 50W (grooving) / 300W (heating) | Dual laser system |
| Laser Warranty | 20,000 hours | Top-class laser source |
| Defect Detection | CCD camera system | DALSA industrial cameras |
| Soldering Method | Infrared (IR) soldering | UV LED curing optional for OBB |
| Temperature Control Accuracy | ±7.5°C | Upper/lower limits settable on HMI |
| Flux Coating Method | Ribbon soaking | Anti-corrosive materials |
Cell Compatibility
| Parameter | Specification | Remarks |
|---|
| Cell Size | 161mm ~ 230mm | Crystalline silicon, half-cut and 1/3-cut strips |
| Cell Type | Mono-Si, Poly-Si, PERC, TOPCon | Excluding BSF cells; requires gap for cutting |
| Number of Busbars | 3BB to 24BB | Tooling switchover required for different BB count |
| Busbar Spacing | ≥8.5mm | Outmost busbar to cell edge >5mm |
| Solder Pad to Cell Edge | >5.5mm | Top and bottom solder pad distance |
| Cell Thickness | 135μm ~ 200μm ±10μm | Standard crystalline silicon cells |
| Minimum Strip Width | ≥52mm | After cutting |
String Output Parameters
| Parameter | Specification | Remarks |
|---|
| Max String Length | 1300mm | Suitable for all mainstream module formats |
| String Straightness Deviation | ±0.5mm | High-precision conveyor system |
| Head/Tail Extra Ribbon | Independently adjustable | Set separately for first and last string |
| Strip Spacing (Negative) | -1mm to -0.5mm | For high-density module designs |
| Strip Spacing (Small) | 0.8mm to 1mm | Compact cell arrangement |
| Strip Spacing (Normal) | 1.5mm to 6mm | Adjustable via HMI |
| Strip Spacing Accuracy | ±0.3mm | Depends on cut depth and print accuracy |
| Ribbon Offset (Face-side) | ≤±0.2mm | Centerline of ribbon to centerline of solder pad |
| Ribbon Offset (Back-side) | ≤±0.3mm | Centerline of ribbon to centerline of solder pad |
| Bad Soldered String Rate | ≤2% | Including pseudo soldering, over soldering, offset |
| Module Rework Ratio (MBB) | ≤12% | Before lamination |
| Max Cassette Capacity | 240 cells | Per cassette |
Peel Strength Requirements
| Busbar Configuration | Face-side Peel Strength | Back-side Peel Strength | Ribbon Diameter | Notes |
|---|
| 9BB - 12BB | ≥0.8N | ≥1N | Ø0.29 - 0.4mm | Up to one point<0.5N allowed per busbar on face side |
| 13BB - 20BB | ≥0.4N | ≥0.5N | Ø0.25 - 0.35mm | Up to one point<0.3N allowed per busbar on face side |
Ribbon Specifications
| Parameter | Conventional | MBB | SMBB |
|---|
| Ribbon Type | Flat ribbon | Circular ribbon | Circular ribbon |
| Width/Diameter | 0.8 - 3.0mm width | Ø0.29 - 0.45mm | Ø0.25 - 0.29mm |
| Thickness | 0.18 - 0.32mm | Size tolerance ≤±0.01 | Size tolerance ≤±0.01 |
| Yield Strength | ≤70MPa | 70 - 80MPa | 60 - 80MPa |
| Tensile Strength | ≥150MPa | ≥150MPa | ≥150MPa |
| Elongation | ≥20% | ≥25% | ≥25% |
| Tin Coating Thickness | ≥0.018±0.005mm | Thinnest place ≥0.006mm | Thinnest place ≥0.006mm |
| Copper Purity | ≥99.97% | ≥99.97% | ≥99.97% |
| Solder Type | Leaded or lead-free | Leaded or lead-free | Leaded or lead-free |
| Ribbon Spool | Inner Ø16mm or 20mm; Outer ≤Ø180mm; Width ≤160mm | Same | Same |
Power Supply and Facility Requirements
| Parameter | Specification | Remarks |
|---|
| Power Supply | Three-phase 380V, 50Hz | Three-phase five-wire (L1/L2/L3/N/PE), wire size 4×25mm² + 1×16mm² |
| Average Power | 41 kW | Standard operating condition |
| Peak Power | 50 kW | Maximum power consumption |
| Water Supply | Purified water | For laser cell-split system |
| Air Pressure | 0.6 - 0.8 MPa | Two Ø16mm air inlet hoses working simultaneously |
| Air Consumption | ≥3200 L/min | Stable pressure required |
| Compressed Air Quality | Solid particle ≤15μm (Class 3); Dew point ≥+3°C (Class 4); Oil vapor ≤5mg/m³ (Class 4) | ISO standard classification |
| Ventilation | 11 vents × Ø102mm; overall exhaust ≥1500 m³/h | PVC pipe recommended for high-temperature exhaust |
| Floor Loading Capacity | ≥600 kg/m² | Flat, vibration-free surface required |
| Ambient Temperature | 5°C - 40°C | Operating environment |
| Relative Humidity | 5% - 70% (non-condensing) | Operating environment |
Machine Dimensions and Weight
| Section | Weight |
|---|
| Cell Cut Part | 4,500 kg |
| Center Part | 6,000 kg |
| Rear Part | 3,000 kg |
| Total Weight | 13,500 kg |
Technical Advantages
Advanced Laser Cell Cutting System
Non-destructive thermal splitting technology combines grooving laser (50W), heating laser (300W), and precision water spray to achieve clean cell cutting with ≤±0.1mm accuracy
Supports both half-cut and 1/3-cut cell processing, enabling production of advanced module configurations for higher power output and reduced hot-spot risk
Adjustable groove length, heating power, water spray flow rate, and splitting speed accommodate different cell types and thicknesses for optimal cut quality
High repeatability accuracy ensures consistent strip dimensions throughout extended production runs
High-Precision SCARA Robot Positioning
STAUBLI / YASKAWA four-axis SCARA robots deliver positioning accuracy of 0.01mm, significantly reducing soldering offset
Intelligent real-time adjustment based on CCD detection results ensures precise busbar-to-ribbon alignment for every cell
Fast movement speed supports the high throughput of 6800 strips/hour without compromising placement accuracy
Suitable for multiple cell types with minimal changeover, offering stable and reliable operation with minimal maintenance requirements
Comprehensive CCD Inspection and Quality Control
DALSA high-precision industrial cameras detect chipped corners, chipped edges, cracks, screen offset, screen rotation (90°/180°), and other cell defects
Defect detection thresholds (crack depth ≥0.3mm × 0.3mm) are fully customizable through the HMI interface
Automatic NG cell rejection ensures only qualified cells enter the soldering process, reducing material waste and rework costs
Full traceability from cell feed to string outlet supports quality management system requirements
Versatile Multi-Busbar Soldering Capability
Supports 3BB to 24BB cell configurations with tooling switchover, covering conventional, MBB, and SMBB technologies
16 sets of ribbon supply motors (upgradeable to 24 sets) with individual enable/disable control via HMI for maximum flexibility
Ribbon spool capacity up to 15kg with quick-change splicer enabling ribbon replacement within 1 minute, minimizing production downtime
Precision ribbon stretching, flattening, cutting, and optional bending with all parameters adjustable on HMI
Superior Infrared Soldering Technology
Infrared soldering simultaneously heats both sides of the cell strip, ensuring uniform temperature distribution and preventing pseudo soldering or thermal cracking
High-speed soldering controller with imported high-temperature sensors provides ±7.5°C temperature control accuracy
Preheated solder base and multi-zone heating plates under the conveyor ensure consistent soldering cycle and accommodate different cell types
IR lamp service life of approximately 3,000 hours (3-5 months under normal use) offers economical operation
Optional UV LED curing for adhesive bonding (OBB technology) with 10,000-hour LED lifespan
Intelligent Automation and User-Friendly Operation
Fully automated workflow from cell cassette loading to finished string outlet, controlled by KEYENCE PLC and YASKAWA/INOVANCE servo systems
Dual-layer cell cassette conveyor (top full / bottom empty) with three-cassette capacity per layer for continuous production
Air knife system ensures single-cell pickup every cycle, preventing double-feed errors
Teflon-coated assembly conveyor resists high temperature and prevents tin adhesion, with vacuum holding to eliminate strip and ribbon offset
One-side supported conveyor design allows easy maintenance and rapid belt replacement
String outlet system with automatic OK/NG sorting, manual inspection mode, and optional inline string appearance and EL inspection modules
World-Class Component Selection
PLC: KEYENCE for reliable industrial control
Servo Motors: YASKAWA and INOVANCE for precision motion control
Robots: STAUBLI and YASKAWA SCARA for high-speed cell handling
CCD Cameras: DALSA for industrial-grade image processing
Sensors: OMRON and PANASONIC for accurate detection
Pneumatics: SMC, AirTAC, and FESTO for dependable actuation
Linear Modules: THK, HIWIN, TBI for precision guidance
Bearings: NSK for long-life mechanical performance
Cable Carriers: IGUS, MISUMI for durable cable management
Product Applications
Solar Panel Production Line Integration
The AM050FH MBB PV Cell Soldering Stringer is a core equipment in the solar panel production line, positioned between the cell sorting/testing station and the layup machine. It seamlessly integrates with upstream and downstream equipment to form a complete automated module manufacturing line.
Compatible Cell Technologies:
PERC Mono-crystalline Cells - The most widely deployed high-efficiency cell technology, fully supported with optimized soldering parameters
TOPCon Cells - Next-generation N-type cell technology with precise temperature control to protect passivation layers
MBB and SMBB Configurations - 9BB to 24BB round wire soldering for improved current collection and reduced cell-to-module (CTM) loss
Half-Cut Cell Modules - Standard capability for producing half-cut strings that reduce resistive losses and improve module reliability
1/3-Cut Cell Modules - Upgrade option for advanced module designs requiring smaller strip widths (minimum 52mm)
Production Scale Applications:
Pilot Lines (50MW - 100MW): Single-stringer configuration for new facility ramp-up and process development
Mid-Scale Production (100MW - 500MW): Multiple AM050FH units operating in parallel for balanced throughput
Large-Scale Manufacturing (500MW - 1GW): Full production line integration with automated layup, EL testing, lamination, and framing equipment
Module Format Compatibility:
Standard 60-cell, 72-cell, and 78-cell module formats
Half-cut 120-cell, 132-cell, 144-cell, and 156-cell module configurations
1/3-cut module designs for advanced high-density layouts
Custom string lengths up to 1300mm for various module dimensions
Adjustable strip spacing from -1mm to 6mm for different module design requirements
Industry Sectors Served:
Utility-scale solar panel manufacturers producing modules for ground-mounted power plants
Distributed solar module producers for commercial and residential rooftop installations
Specialized solar module makers for BIPV (Building Integrated Photovoltaic) applications
OEM and contract manufacturers serving global solar brands
Research institutions and solar technology development centers
Contact Ooitech for AM050FH MBB Stringer
Get a Quote and Technical Consultation
Ooitech is a professional solar panel production line equipment supplier, providing comprehensive solutions from 5MW to 1GW capacity including equipment design, delivery, installation, commissioning, operator training, raw material supply, and lifetime after-sales support.
After-Sales Service and Quality Assurance:
Free on-site training in machine operation and maintenance
Free technical guidance during installation and commissioning
24-hour phone support from dedicated after-sales service team
One-year warranty (excluding consumable parts) after acceptance
Free replacement or repair of quality-related issues during warranty period
Competitive pricing for technical services after warranty expiration
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Contact us today to discuss your solar panel production line requirements. Our experienced engineering team is ready to provide customized solutions tailored to your specific production capacity, cell technology, and module design specifications.
