PCB Wave Soldering Machine
Owns the highest configuration among all series of models, WS-450 has the longest effective length and largest PCB width, which are suitable for massive wave soldering production.
Besides, the pcb wave soldering equipment of WS-450 has the PC and PLC control system, with automatic spray wash function. Also, it owns the longest preheating length with up to 4 zones. Adopt with the special heavy titanium claw and using the titanium of solder pot material, which other models are non-available.
1. Closed-loop with Inverter Control System
- The transportation system adopts electronic speed regulator, closed-loop control, and the speed is stable and accurate for PCB Board Movement.
- The inlet end is equipped with a pressure auxiliary device to prevent the PCB from slipping when entering.
2. Large Transportation Capacity
- The maximum transport capacity of the guide rail reaches 60kg, meeting the restrict production requirements.
3. Wave Crest Smooth Technology
- Both of the solder wave is driven by independent driver control and board sensor when PCB entering.
- New type of tin furnace ultra-low oxidation design, wave crest smooth technology, double wave peaks of the tin furnace adopt electronic frequency conversion speed regulation, which can independently control the peak height
4. Enhanced Infiltration Nozzle VS Common Nozzle
- Adopt with the special nozzle, design for high-density PCB board.
- Ensure that the nozzle is completely infiltrated by the solder, so that the solder flows smoothly, and improves the stability of wave crests and the precision of soldering.
5. Panel Spray Regulation System
- It can effectively regulate spray frequency, spray flow rate and spray pattern, achieve real-time monitoring and adjustment.
6. Dual-rail System
- Dual-rail structure can effectively improve production efficiency, save energy consumption and production cost.
7. High-end Electric Control System
- The electric main control system adopts the Germany Siemens PLC, the temperature module is self-turning, the cold end is automatically compensated, each temperature zone controlled by self-turning PID, the temperature accuracy is at ±1℃.
PCB Wave Soldering Machine
PCB wave soldering machines are used in electronics manufacturing to solder through-hole components onto printed circuit boards (PCBs) using a controlled wave of molten solder. This process is commonly employed in high-volume manufacturing to achieve efficient and consistent soldering of through-hole components.
The key features and components of a PCB wave soldering machine are:
Solder wave generator
Conveyor system
Fluxing system
Preheating zone
Solder wave nozzle
Cooling zone
Control unit
PCB wave soldering machines offer several advantages:
Efficiency
Consistency
Speed
Reliability
However, it’s important to consider certain factors when using a PCB wave soldering machine, such as component heat sensitivity, PCB layout, and the potential for solder bridges in densely populated boards.
Key Features and Components of a PCB Wave Soldering Machine
A PCB wave soldering machine consists of the following key components and features:
Solder Wave Generator
This is the core of the machine, and it creates a precisely controlled wave of molten solder. The wave is typically made from an alloy with a specific melting point suitable for soldering various components onto PCBs.
Conveyor System
The PCBs with through-hole components are transported over the solder wave using a conveyor. The conveyor speed and angle can be adjusted to optimize soldering results.
Fluxing System
Flux is applied to the through-hole components or PCBs before they pass through the solder wave. Flux helps remove oxides from the metal surfaces, promoting better solder wetting and bonding.
Preheating Zone
Before reaching the solder wave, the PCBs enter a preheating zone. This zone gradually raises the temperature of the PCB and components, preparing them for soldering and reducing the thermal shock during wave contact.
Solder Wave Nozzle
The solder wave nozzle directs the molten solder in a controlled manner. As the PCB passes over the solder wave, the through-hole component leads make contact with the wave, forming solder joints with the PCB pads.
Cooling Zone
After passing through the solder wave, the PCB enters a cooling zone where the solder solidifies, creating reliable solder connections.
Control Unit
The control unit manages various parameters of the machine, including conveyor speed, solder wave temperature, preheating temperature, and flux application. This ensures consistency and quality in the soldering process.
Types of PCB Wave Soldering Machines
There are two main types of PCB wave soldering machines:
Single-Wave Machines
Single-wave machines have one solder wave. They are simpler and more affordable, but may have limitations for boards with components on both sides.
Double-Wave Machines
Double-wave machines have two solder waves. This allows soldering of top and bottom side components in one pass. Double-wave machines are more expensive but offer better solder joint quality and reliability.
Advantages of PCB Wave Soldering Machines
Some of the key advantages of using a PCB wave soldering machine include:
Efficiency
The automated wave soldering process is much faster than manual soldering, resulting in higher production efficiency and throughput.
Consistency
The precisely controlled solder wave ensures uniform and consistent solder joints across large production volumes.
Speed
PCB wave soldering is a very fast soldering technique compared to alternatives like hand soldering.
Reliability
Automated soldering produces reliable and repeatable solder joints without human errors and variances.
Considerations When Using PCB Wave Soldering Machines
While wave soldering offers many benefits, some considerations include:
Component Heat Sensitivity
Components that are heat-sensitive may get damaged by the high solder wave temperatures.
PCB Layout
The PCB design must accommodate the wave soldering process, with proper solder pad spacing and orientation.
Solder Bridging
Densely populated PCBs can lead to solder bridging between adjacent component leads when wave soldered.
Applications of PCB Wave Soldering Machines
PCB wave soldering machines are used in a wide variety of industries, including:
Consumer Electronics
Wave soldering is commonly used for TVs, smartphones, computers, and other consumer electronics where cost and efficiency are critical.
Automotive
Many automotive PCBs, such as engine control units and infotainment systems, utilize wave soldering for mass production.
Medical Devices
X-ray machines, heart monitors, and other medical devices often leverage wave soldering for reliable PCB assemblies.
Telecommunications
Routers, base stations, and other telecom gear with high complexity PCBs employ wave soldering.
Industrial Automation
Manufacturing equipment with electronic controls, such as robotics and CNC machines, use wave soldering.
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