The machine integrates flux spraying and welding; welding is achieved by fixing the PCB and moving the solder joints;
The maximum supported PCB size is 330*250mm; it occupies a small area and has low energy consumption;
Manually place and remove PCB boards, especially suitable for welding heavy PCBAs and PCBAs with wires;
The size can be customized according to customer needs;
It has the advantages of welding technology such as selective wave soldering;
High welding yield and throughput; low operating cost, low tooling cost, flexible process, and strong versatility;
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The Heavy-Duty Selective Wave Soldering Machine GS-250C is an independently developed, professional-grade offline selective wave soldering system, specifically engineered for soldering heavy PCB assemblies and wired PCBA products. This robust, high-precision equipment integrates full flux spraying and soldering processes, with an innovative fixed PCB and movable solder joint design that eliminates displacement and wire entanglement risks for heavy, complex PCBAs. Supporting PCB sizes from 60×40mm up to 330×250mm and a maximum PCB weight of 10kg, this offline selective wave soldering machine for heavy PCB delivers exceptional versatility, with customizable dimensions to match unique production needs. It boasts the core advantages of selective wave soldering technology, including high soldering yield, low operating costs, flexible process configuration, and strong versatility, making it the preferred soldering solution for automotive electronics manufacturers and industrial production enterprises with high-reliability requirements.
This high-precision selective soldering machine features an advanced selective sprayer that saves at least 90% of flux consumption compared to traditional spray systems. With a minimum spray width of just 2mm, it drastically reduces ion contamination on PCBA surfaces, eliminating the need for post-soldering cleaning and cutting additional process costs. The spray nozzle moves along the XYZ axis via dual-axis servo motor control, delivering 0.05mm movement precision, with a minimum spray time of 0.2 seconds per solder dot for unmatched accuracy and efficiency.
Unlike standard soldering equipment, the GS-250C fixes the PCB in place, with all spraying and soldering operations completed via a programmable XYZ axis platform. This design ensures maximum stability for heavy and wired PCBAs, with no risk of wire tangling or component displacement during soldering. The system features online nitrogen heating for the solder pot, ensuring optimal nozzle wetting and minimal solder dross production, with integrated cameras for real-time online monitoring of wave peak height and solder pot position, eliminating soldering defects before they occur.
All functions of this automotive electronics soldering equipment are controlled via an industrial PC, with all production parameters – including movement path, soldering temperature, flux type, solder type, and nitrogen temperature – set directly on the interface and saved to dedicated PCB menus for full traceability. Programming is simple and intuitive: operators can program by drawing lines directly on a reference image of the PCB, optimizing parameters for each individual solder joint, including Z-axis soldering height, wave peak height, soldering travel speed, and tin shrinking speed and time. The system can simulate required soldering time after path editing, and all production data can be exported as an Excel file for quality management and production optimization.
The GS-250C heavy-duty selective wave soldering machine is widely used across military electronics, aerospace, medical equipment, new energy, automotive electronics, communication equipment, home appliance manufacturing, digital product production, and stage lighting industries. It is specifically optimized for heavy PCBAs, wired PCB assemblies, and high-reliability applications, making it the ideal choice for automotive electronics manufacturers, aerospace component suppliers, industrial control device producers, and other enterprises with strict soldering quality requirements.
PCBA Field | Electronic Components | Industrial Control | Aerospace |
Home Appliances | Military Electronics | Marine Electronics | Automotive Electronics |
Communication Equipment | Stage Lighting | New Energy | Medical Devices |
Product Operate Guide
This easy-operate heavy-duty soldering machine offers multiple soldering modes via computer programming, allowing operators to configure unique parameters for each solder joint to achieve precise control over soldering height, temperature, and travel speed. The magnetic nozzle unit enables quick, tool-free replacement of nozzles in different sizes, with optional custom multi-head nozzles available for specialized applications. No advanced professional expertise is required for basic operation, and our after-sales team provides 24-hour online one-to-one training to ensure your team can fully leverage all machine functions.
specifications | Parameter |
Overall Dimensions | 1200L*1200W*1720H (mm) |
Machine frame and cover | Square tubes frame + Door |
Operating height | 900±20mm |
Weight | Approx.400KG |
Power supply | 3 φ 380V 50/60HZ |
Total power | 8KW |
PCB PCB parameter | |
PCB PCB size | Min:60(L)*40(W); Max:330(L)*250(W) (mm) |
Top component height | Max180mm |
Bottom component height | Max30mm |
PCB PCB Weight | Max10Kg |
PCB PCB Process Edge | >3mm |
Selective spray system | |
Spray movement mode | Spray nozzle movement in XYZ axis |
Spray flux volume | 2L |
Spray flux add mode | Manual |
Spray nozzle type | Needle |
Spray cycle time | 1 Sec/soldered dot(The minimum spray time can be set to 0.2 seconds) |
Spray movement precision | 0.05mm |
Spray flow control | pressure gage + flow valve |
Selective Soldering System | |
Soldering movement mode | Soldering pot movement in XYZ axis |
Movement mode | Serve motor + linear rail |
Solder feeding mode | Manual( Option: auto) |
Solder capacity | 16KG |
The GS-250C uses a fixed PCB design with a movable soldering pot, supporting a maximum PCB weight of 10kg. This eliminates wire entanglement and PCB displacement during soldering, ensuring stable, consistent soldering results for heavy, complex PCBAs with attached wires.
The GS-250C operates on a 3-phase 380V 50/60HZ power supply, with a total power of 8KW, delivering stable performance for continuous production runs while maintaining low energy consumption for heavy-duty applications.

