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Heavy-Duty Selective Wave Soldering Machine Automotive Electronics

  • 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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Product Overview

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.

Product Advantages

High-Precision Selective Flux Spray System

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.

Intelligent, Reliable Soldering Module

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.

User-Friendly Software with Full Traceability

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.

Product Applications

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

PCBA Field

Electronic Components

Electronic Components

Industrial Control

Industrial Control

Aerospace

Aerospace

Home Appliances

Home Appliances

Military Electronics

Military Electronics

Marine Electronics

Marine Electronics

Automotive Electronics

Automotive Electronics

Communication Equipment

Communication Equipment

Stage Lighting

Stage Lighting

New Energy

New Energy

Medical Devices

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



FAQ


What makes this heavy-duty selective wave soldering machine suitable for heavy and wired PCBA?

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.


What power supply is required for the GS-250C?

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.


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Dongguan Sundarc Automation Technology Co., Ltd. (Shenzhen Sundarc Electronic Equipment Co., Ltd.) was founded in 2010, is a collection of research and development, production and sales as one of the "national high-tech enterprises". Mainly committed to research and development of high-grade selective wave soldering equipment. 

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