The Offline One-piece Hooded Selective Wave Soldering Machine Preheating is a cutting-edge solution designed for precision electronics manufacturing, offering a seamless combination of advanced technology and user-friendly operation. This standalone system is engineered to deliver high-quality soldering results for printed circuit boards (PCBs) with complex layouts, hybrid components, and tight thermal constraints. With its integrated hooded design, it minimizes heat loss and ensures a controlled environment, making it ideal for small to medium-scale production lines, prototyping, and applications requiring strict quality control.
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Our offline one-piece hooded selective wave soldering machine (FPS-250C) is a state-of-the-art soldering solution purpose-built for electronics manufacturing enterprises and precision assembly facilities. This standalone selective wave soldering machine with preheating integrates advanced automation and user-centric design, delivering consistent, high-reliability soldering results for complex printed circuit boards (PCBs) with hybrid components, tight thermal constraints, and high-density layouts.
With a compact 1350L×940W×1540H mm footprint and 280KG weight, it fits seamlessly into small to medium-scale production lines, prototyping workshops, and facilities requiring strict soldering quality control. It supports PCBs up to 330×250 mm, with a 180 mm maximum top component height and 30 mm bottom component height, accommodating diverse PCB configurations for industrial production needs.
Our precision selective soldering system uses an XYZ-axis servo motor-driven structure with linear rails, achieving ±0.1 mm soldering precision for targeted through-hole and SMT component soldering, minimizing solder waste and rework rates. PID+SSR temperature control maintains solder temperature within ±2°C up to 400°C, ensuring stable joint quality for lead-free soldering. The advanced selective spray fluxing system delivers 0.05 mm movement precision, with adjustable 0.2–15 second spray cycles, optimizing flux consumption while ensuring reliable solder adhesion.
The 3KW bottom-mounted infrared preheating system ensures uniform PCB temperature distribution, reducing thermal shock to heat-sensitive components and improving solder wetting efficiency. The optional nitrogen protection system covers the nozzle and solder pot, cutting solder dross generation from 0.2 Kg/8H to 0.01 Kg/8H, drastically reducing oxidation and enhancing long-term solder joint integrity for high-reliability applications.
The one-piece hooded enclosure contains fumes and heat, paired with a 5 m³/h exhaust system for a clean work environment. The 900±20 mm ergonomic operating height and intuitive PC control interface simplify operation, cutting staff training time and human error for continuous industrial production.
This offline selective soldering machine serves high-standard electronics manufacturing sectors, including automotive electronics (vehicle sensors, control modules), medical device assembly (diagnostic tools, patient monitors), aerospace & defense electronics (avionics, navigation systems), and industrial & consumer electronics fabrication (robotics, automation equipment, compact wearables).
PCBA Field | Electronic Components | Industrial Control | Aerospace |
Home Appliances | Military Electronics | Marine Electronics | Automotive Electronics |
PCB Loading & Parameter Setting: Mount the PCB on the fixture, and set/save custom soldering parameters via the PC control interface.
Selective Flux Spraying: The XYZ-axis system drives the PCB to apply flux exclusively to targeted soldering areas with high precision.
Infrared Preheating: The PCB passes through the preheating zone for uniform temperature stabilization, reducing thermal shock during soldering.
Precision Soldering: Targeted soldering is executed with preset parameters, with optional nitrogen protection enabled for high-reliability requirements.
PCB Unloading & Tracking: Unload the finished PCB for inspection, with built-in counting and alarm functions for full production traceability.
specifications | Parameter |
Overall Dimensions | 1350L*940W*1540H (mm) |
Machine frame and cover | Square tube sections frame + Door |
Operating height | 900±20mm |
Weight | Approx.280KG |
Power supply | 380V 50/60HZ |
Total power | 10KW |
PCB parameter | |
PCB size | Min:60(L)*40(W); Max:330(L)*250(W)(mm) |
Top component height | Max180mm |
Bottom component height | Max30mm |
PCB Weight | Max5Kg |
PCB Process Edge | >3mm |
Selective spray system | |
Spray movement mode | PCB movement in XYZ axis |
Spray flux volume | 2L |
Spray cycle time | 1 Sec/soldered dot(The minimum spray time can be set to 0.2 seconds) |
Spray movement precision | 0.05mm |
Preheater System | |
Bottom preheater mode | Infrared |
Heater power | 3KW |
Selective Soldering System | |
Soldering movement mode | PCB movement in XYZ axis |
Movement mode | Servo motor + linear rail |
Solder capacity | 16KG |
功率 Solder power | 3.3KW |
Solder nozzle size | Standard D8mm, other sizes is option |
Temperature control mode | PID+SSR |
Temperature setting range | Max400OC |
Temperature accuracy | ±2OC |
Waver height | Max 5mm |
Soldering precision | 0.1mm |
Solder dross | 0.2Kg/8H(Not N2 protection);0.01Kg/8H( N2 protection) |
N2 protection system | |
N2 protection mode | Nozzle and solder pot |
Exhaust system | |
Exhaust volume | About 5m³/h |
Control system | |
PCB Process parameter | Setting, save , open in the PC screen |
Other | PCB counting, message, alarm can be read in the PC |
Common Wear & Tear Parts | |
Spray flux nozzle, Soldering nozzle | |
The machine supports PCBs up to 330×250 mm, with a maximum 180 mm top component height and 30 mm bottom component height, adapting to most industrial PCB configurations.
Yes. It fully supports lead-free soldering with a max 400°C temperature setting, ±2°C control accuracy, and optional nitrogen protection to optimize lead-free soldering results.
It operates on a 380V 50/60HZ power supply, with 10KW total power consumption, compliant with global industrial workshop power standards.

