Double-Wave Wave Soldering Machine
The I.C.T Double-Wave wave soldering machine is designed for stable lead-free soldering in DIP and mixed PCB assembly lines.
- Stable double-wave soldering for DIP and mixed PCB assembly
- Japan Kuroda spray nozzle for uniform flux coating
- 3-zone hot air/IR preheating for stable thermal performance
- Cast iron solder pot with enamel ceramic coating
- Wave peak stability less than 0.5mm
- PC+PLC control with traceable alarm records
- I.C.T provides full SMT and DIP line support
Technical Date
Item Acrab 350 Acrab 450 Acrab 615 PCB Width 50-350mm 50-450mm 50-615mm Dimension 4490*1460*1735mm 4490*1630*1735mm 4490*1630*1735mm Weight Approx. 1800kg Approx. 2100kg Approx. 2500kg Power Supply 3P5W, AC380V, 50/60Hz Startup Power 33kW 38kW 38kW Operation Power 8kW 10kW 10kW Control System PC + PLC Item Specification Transmission Method Step Motor Spray Pressure 0.25Mpa-0.4Mpa Auto Flux Supply Standard Flux Flow 10-100ml/min Exhaust Type Top Exhaust; External Fan Optional Exhaust Diameter Φ250mm Preheating Mode Hot Air / IR Preheating Zone 3 Bottom Zones Preheating Length 1800mm Warm-up Time Approx. 15min at 150℃ Item Specification Conveyor Direction L-R; R-L Optional Conveyor Speed 0-2000mm/min Conveyor Height 750±20mm Available PCB Height Top 120mm; 250mm Optional, Bottom 15mm Conveyor Angle 4-7° Solder Pot Style Mechanical Motor Drive Solder Pot Material Cast Iron Solder Pot Temperature Up to 300℃ Solder Pot Capacity Lead-free 500kg / 700kg Cooling Method Cooling Fan
Why Stable Wave Soldering Matters
A Double-Wave wave soldering machine is often selected when factories need reliable through-hole soldering for power supplies, automotive electronics, consumer electronics, communication boards, and mixed technology PCB assemblies. The key is not only melting solder, but controlling flux, preheating, conveyor speed, wave height, and cooling as one stable process.
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For many manufacturers, common soldering issues include bridging, insufficient solder, solder balls, poor hole filling, unstable wave contact, and inconsistent results between shifts. These problems usually come from several process points working against each other: too much or too little flux, uneven preheating, unstable conveyor movement, or poor wave control.
The I.C.T Double-Wave wave soldering machine is designed to reduce these risks through a more controlled process. The spray system uses a high-precision nozzle and step motor control to improve flux uniformity. The 3-zone preheating system helps remove solvent from the flux and prepares the PCB for soldering with a more stable thermal curve. The conveyor system supports adjustable speed, angle, and PCB width, making it easier to match different board types.
For the soldering section, the cast iron solder pot and stable wave channel design help keep the wave peak consistent. This makes the machine suitable for factories that need repeatable DIP soldering quality, not just “it works today, pray tomorrow” energy.
Wave Soldering Features
Spray Control
Precise Flux Spraying
The spray system is one of the most important parts of a Double-Wave wave soldering machine. I.C.T uses a high-precision nozzle imported from Japan to help achieve uniform flux coverage on the PCB. Stable flux coating can reduce soldering defects caused by uneven activation, especially on through-hole components and mixed assembly boards.
The system uses step motor drive instead of simple cylinder movement, which gives better stability during long production runs. The drawer-type modular structure also makes maintenance easier. Standard filtering, exhaust design, and automatic cleaning help keep the spray area cleaner and reduce daily maintenance pressure for operators.
Thermal Stability
Uniform Preheating Performance
The preheating system combines hot air and infrared heating to support stable temperature rise before soldering. This is important because poor preheating can cause flux residue, solder balls, poor wetting, or thermal stress on components. For factories producing power boards, control boards, or automotive PCB assemblies, stable preheating is not optional. It is the “don’t mess with me” part of the process.
I.C.T designs the preheating area with modular heating structures and drawer-type maintenance access. The system maximizes the preheating area and uses high-temperature insulation cotton to improve temperature stability. Top preheating is also available as an option for more demanding process requirements.
Conveyor Accuracy
Stable PCB Transportation
Stable PCB transportation helps reduce board jamming, falling, and soldering position errors. The I.C.T Double-Wave wave soldering machine uses a patented synchronous board-feeding device to help guide the PCB smoothly into the conveyor rail. This is especially useful when boards are heavier, wider, or used in continuous DIP production.
The conveyor system supports adjustable rail angle and height, allowing the soldering process to be matched with different PCB requirements. Heavy-duty spring pressing fingers are standard, giving stronger loading capacity during production. Automatic finger cleaning is also included to reduce contamination and keep the conveyor area more reliable over time.
Wave Soldering
Stable Double-Wave Contact
The soldering system is built for stable wave performance and repeatable soldering results. Its solder flow channel design helps keep wave peak stability within less than 0.5mm, which is important for reducing bridging, insufficient solder, and inconsistent through-hole filling. For a Double-Wave wave soldering machine, wave stability directly affects final solder joint quality.
The solder pot uses a cast iron structure with one-piece molding to reduce deformation. The surface includes enamel ceramic coating for longer service life. The machine supports manual tin pot adjustment as standard, with electric adjustment and automatic tin addition available as options for factories that want easier process control.
Smart Operation
PC And PLC Control
The control system uses PC+PLC operation, giving operators a clear interface for daily setup, monitoring, and process adjustment. Parameters such as time, temperature, ventilation volume, conveyor speed, and alarm records can be managed through the system. This helps factories standardize production instead of relying too much on operator experience.
The temperature control uses PID+SSR mode for more accurate heating control. The system can also switch to standby mode automatically, which helps reduce tin slag generation and energy consumption during idle periods. Independent air switches and emergency protection improve machine safety during production.
Technical Date
Wave Soldering W2
Selective Soldering SS530
Selective Soldering SS550
Selective Soldering SS550 P1
Watch The Soldering Process
Customer Case
Certification
I.C.T wave soldering machines are built according to international manufacturing standards. The equipment supports CE-related safety requirements, while I.C.T also holds ISO9001 quality management certification and wave soldering-related patent certificates. These certifications help customers evaluate equipment safety, process reliability, and long-term factory use.
How About I.C.T
I.C.T Factory Strength
I.C.T is a full SMT factory solution provider with long-term experience in SMT, DIP, coating, dispensing, soldering, inspection, and factory automation projects. For wave soldering equipment, I.C.T does not only provide a single machine. We can also support the full DIP production process, including insertion line planning, wave soldering, cooling, inspection, handling machines, and technical training. This helps customers build a more complete and practical production line from the beginning.
Factory Testing Process
Before delivery, each I.C.T Double-Wave wave soldering machine goes through factory inspection and functional testing. The testing process can include spray movement checking, conveyor operation, preheating performance, solder pot heating, alarm function, electrical safety, and software operation. For project-based orders, I.C.T can also test the machine according to the customer’s PCB size, production process, and line layout requirements. The goal is simple: fewer surprises after the machine arrives.
Overseas Engineer Training
I.C.T provides overseas installation and training support for customers who need on-site technical service. Our engineers can guide the customer’s team through machine installation, line connection, process setup, daily operation, maintenance points, and basic troubleshooting. For new factories or teams with limited DIP soldering experience, this training is very helpful. It allows operators to understand not only which button to press, but also why each process setting matters.
Customer Project Feedback
I.C.T wave soldering machines have been used in different customer factories for products such as power supplies, consumer electronics, automotive electronics, LED products, and industrial control boards. Many customers care about stable soldering quality, easy maintenance, and fast service response. Through completed SMT and DIP line projects, I.C.T has gained practical feedback from real production sites and keeps improving machine structure, operation details, and training methods.
FAQ
What is a Double-Wave wave soldering machine?
A Double-Wave wave soldering machine is used for soldering through-hole components on PCB assemblies with two solder waves. The first wave helps improve solder penetration and wetting, while the second wave helps smooth the solder joints and reduce defects. It is commonly used in DIP lines and mixed technology PCB assembly where SMT components and through-hole components exist on the same board. For factories producing power supplies, control boards, LED boards, or automotive electronics, double-wave soldering is often more stable than simple manual soldering.
When should I choose wave soldering instead of manual soldering?
You should choose wave soldering when your production volume, quality requirement, or consistency target is higher than what manual soldering can reliably handle. Manual soldering may work for samples or very small batches, but it depends heavily on operator skill. A Double-Wave wave soldering machine controls flux spraying, preheating, conveyor speed, solder wave contact, and cooling in one continuous process. This helps reduce human variation, improve repeatability, and make production easier to manage.
What PCB products can use this machine?
This machine can be used for many through-hole and mixed assembly PCB products, including power supplies, consumer electronics, communication electronics, industrial control boards, automotive electronics, LED products, and home appliance control boards. The I.C.T Acrab series supports different PCB widths, including 50-350mm, 50-450mm, and 50-615mm depending on the model. This gives factories more flexibility when choosing a machine for current products and future board size changes.
How does preheating affect soldering quality?
Preheating directly affects soldering quality because it prepares the PCB, flux, and component leads before they contact the solder wave. If preheating is too weak, flux may not activate fully, and solder wetting can become unstable. If preheating is too aggressive, sensitive components may face unnecessary thermal stress. I.C.T uses a 3-zone hot air/IR preheating system to support a more stable temperature rise. This helps reduce solder balls, poor wetting, and inconsistent through-hole filling.
Why is flux spray control important?
Flux spray control is important because uneven flux can cause uneven soldering results. Too little flux may lead to poor wetting, while too much flux can create residue, contamination, or more cleaning work. The I.C.T Double-Wave wave soldering machine uses a high-precision spray nozzle and step motor control to improve flux coating stability. The system also supports adjustable flux flow and automatic cleaning, helping operators keep the spray process more controlled during daily production.
What is the advantage of a cast iron solder pot?
A cast iron solder pot provides better mechanical strength and long-term stability for high-temperature soldering operation. In the I.C.T wave soldering machine, the solder pot uses a one-piece cast iron structure to reduce deformation risk. The surface has enamel ceramic coating, which helps extend service life and improve durability. For customers running lead-free soldering, a stable solder pot structure is important because the process temperature is higher and daily operation time can be long.