| Advanced Vacuum Reflow Soldering System
The Led Special Vacuum Reflow Oven is a high-end SMT soldering solution designed for advanced electronic manufacturing. It integrates vacuum technology, precise thermal control, and intelligent monitoring systems to ensure stable and high-quality soldering results. This machine is widely used in LED production, automotive electronics, communication devices, and high-performance consumer electronics manufacturing.
Built with a Siemens PLC and PC control system, the equipment ensures highly accurate temperature management and consistent thermal performance. The vacuum chamber effectively removes gas and voids from solder joints, significantly improving product reliability. With a modular heating design and fast thermal response, the system adapts to modern high-mix production environments. It is a core solution for manufacturers requiring stable SMT assembly performance and long-term production efficiency.
| Feature
The vacuum zone is designed to remove trapped gas inside molten solder joints during the reflow process. With a vacuum level reaching up to 5mbar, the system effectively reduces void formation and improves solder joint density. PCB boards enter the vacuum chamber directly after the heating stage, ensuring precise timing and stable process control. This design significantly enhances reliability for high-end applications such as LED modules, automotive electronics, and memory devices, where solder quality is critical for long-term performance.
The heating system uses an advanced multi-zone hot air design to ensure uniform temperature distribution across the PCB surface. Each heating zone is independently controlled to maintain accurate thermal profiles with ±1°C stability. The system reaches operating temperature quickly and maintains consistent heat transfer efficiency during continuous production. This stable heating performance helps reduce defects such as cold solder joints, tombstoning, and uneven reflow results, making it ideal for high-density SMT assembly applications.
The operator system is built on a Windows-based interface combined with Siemens PLC control for high stability and ease of use. Operators can easily manage temperature profiles, vacuum parameters, and conveyor settings through a simple interface. The system supports recipe storage, real-time process monitoring, and automatic fault diagnosis, improving production efficiency and reducing manual errors. With Industry 4.0 connectivity, all process data can be recorded and analyzed, enabling better traceability and smarter SMT production management.
| Specification
| LV Series Vacuum Reflow Oven | I.C.T-LV623 | I.C.T-LV733 |
Dimensions | L6405*W1695*H1630 | L7164*W1695*H1630 |
Weight | 3000 kg | 3500 kg |
| Number of heating zone | Top 8 /Bottom 8 | Top 10 /Bottom 0 |
| Length of heating zone | 3110mm | 3892mm |
| Number of cooling zone | Top 3 /Bottom 3 | Top 3 /Bottom 3 |
| Exhaust volume requiement | 11m³/min*2 | 12m³/min*2 |
| Power | 3phase, N,PE;AC380V50/60HZ | |
| Normal power consumption | 10KW | 12KW |
| Temperature control Mode | PID close loop cont+SSR driving | |
| Conveyor system | ||
| Rails structure | Three-stage independent | |
| Max width of PCB | 150*150MM-400*400MM | |
| Range of rail width | 50mm-400mm | |
| Components height | Up 25mm/down 25mm | |
| Conveyor fixed type | Front end fixing | |
| PCB conveyor direction | Guide rail plus chain | |
| Conveyor height | 900±20mm | |
| Cooling system | ||
| Cooling method | Forced air cooling (vacuum reflow soldering) Chiller cooling (vacuum nitrogen reflow soldering) | |
| Nitrogen System | Nitrogen confined structures and pipelines, nitrogen flow meters, chillers | |
As the operating efficiency depends on the settings of the process parameters, the values reached actually can differ from the values indicated here. | ||
| SMT Line Equipment List
Our SMT assembly line features advanced equipment for efficient and precise PCB assembly. The fully automated SMT line includes a loader, an auto printer for accurate solder paste application, a pick-and-place machine for precise component placement, a reflow oven for reliable soldering, and an AOI system for thorough defect inspection. This High Quality PCBA Production Line ensures smooth operation, high reliability, and low-cost SMT assembly, meeting diverse industry requirements.
| Product Name | Purpose in SMT Line |
|---|---|
| PCB loader unloader | Automatically loads bare PCBs to the line. |
| SMT stencil printing machine | Prints solder paste on PCB pads accurately. |
| Yamaha SMT machine | Mounts components onto PCBs precisely. |
| SMT Reflow Oven | Melts solder to form solid joints. |
| Automated optical inspection equipment | Inspects solder joints and placement defects. |
| Solder paste inspection machine | Checks solder paste height and quality. |
| Traceability Equipment | Records and tracks production data: Laser Marking Machine/Label Mounter/Inkjet Printer |
| Customer Success Video
I.C.T successfully supported a large electronics manufacturing project in Uzbekistan, where the customer built a complete factory producing computer motherboards, SSD storage devices, and memory modules. The project included full SMT and DIP production line installation and commissioning.
The SMT line consisted of an I.C.T-5151 stencil printer, four pick and place machines, SPI, AOI, PCB handling systems, and the vacuum reflow oven. The DIP line included manual insertion systems, JUKI odd-form insertion equipment, and an Acrab350 wave soldering system.
From installation to production testing, I.C.T engineers worked closely with the customer team to ensure smooth startup. After successful testing, the customer highly appreciated the equipment performance, technical support, and fast response from the I.C.T engineering team, confirming stable production output and reliable system operation.
| Global Full-Line Support
I.C.T provides full technical support including installation, training, and production assistance for global customers. Our engineering team guides customers through every stage, from machine setup to process optimization. Remote support and on-site service ensure fast problem-solving and stable production performance.
We also provide detailed operation training for SMT line equipment, helping operators understand process control, maintenance, and troubleshooting. This ensures long-term stable operation and reduces downtime in production environments.
| Customer Praise-Happy Factories Worldwide
Customers consistently praise I.C.T for reliable equipment quality, professional engineering support, and fast response service. During installation and production phases, engineers provide detailed guidance and hands-on training to ensure smooth factory operation.
Customers also highlight the strong packaging quality and safe transportation of equipment, ensuring machines arrive in perfect condition. The quick technical response and long-term support from I.C.T engineers help factories maintain stable SMT production efficiency and high product yield.
| Our Certification-Strong Quality Marks
The Led Special Vacuum Reflow Oven is manufactured under strict international quality standards, including CE, RoHS, ISO9001, and multiple patent technologies. These certifications ensure safe operation, stable performance, and compliance with global industrial requirements.
Each machine undergoes strict factory testing and quality inspection before shipment, ensuring reliable performance in high-demand SMT production environments worldwide.
| About I.C.T and Factory
I.C.T is a global SMT factory solution provider with strong R&D, manufacturing, and technical support capabilities. With rapid business growth over the years, the company serves customers in more than 80 countries and regions worldwide.
Our factory follows strict quality control systems and standardized production processes. With a large engineering team and continuous innovation capability, we provide full SMT, DIP, and coating line solutions for electronics manufacturing industries, ensuring stable performance and long-term reliability for global customers.