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AFS-250C 1㎡ On-line Selective Wave Soldering Machine

Boost your electronics production with the AFS-250C 1m2 On-line Selective Wave Soldering Machine, designed for high-precision PCB soldering in industrial electronics manufacturing. This CE-certified solution offers automated soldering with 90% flux savings and 95% tin slag reduction, ideal for OEM/ODM and bulk orders. Its modular design ensures seamless integration into existing lines, supporting PCB sizes up to 450x350mm and customized soldering parameters for complex through-hole components. Achieve zero-defect welding with programmable nozzle technology and cost-effective operation. Contact us for tailored solutions and FOB pricing to optimize your production efficiency.

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Product Overview


The AFS-250C is an online selective wave soldering machine engineered to address the challenges of modern electronics production. With a compact footprint of 1250L×1250W×1725H mm and a weight of ~1000 kg (Approx100OKG), it seamlessly integrates into automated production lines while maintaining robust performance. Operating on 3φ380V 50/60Hz power with a 12kW total power consumption, this machine is optimized for energy efficiency without compromising output quality.


Key highlights include:

PCB Handling: Supports PCBs ranging from 100×50 mm to 300×250 mm, with a maximum weight of 5 kg.

Component Clearance: Accommodates top components up to 130 mm and bottom components up to 30 mm, ideal for complex mixed-technology boards.

Intelligent Control: Features a PC+motion control card system for intuitive programming, real-time monitoring, and data logging.


By combining selective soldering and flux spraying in a single platform, the AFS-250C minimizes manual intervention, reduces material waste, and ensures consistent solder joint integrity. Its modular design allows for easy scalability, making it suitable for both prototyping and high-volume production.


Features


High-Precision Soldering System

The selective soldering module employs a XYZ-axis solder pot movement driven by servo motors and linear rails, enabling micron-level accuracy. With a 16 kg solder capacity and 25-minute melting time, it supports lead-free and traditional soldering processes. The standard D8mm nozzle (with optional sizes) ensures precise solder application, while N2 protection reduces oxidation and enhances joint quality, achieving 99.99% purity for critical applications.


Adaptive Flux Spraying

The selective spray system utilizes a needle nozzle and servo-controlled linear rail to deliver flux with ±0.1 mm precision. A 2L flux volume tank allows continuous operation, while adjustable parameters (e.g., spray pressure, duration) optimize flux distribution for diverse PCB layouts. This targeted approach reduces flux consumption by up to 30% compared to conventional wave soldering.


Advanced Preheating and Temperature Control

The top-mounted far-infrared preheating system ensures uniform thermal distribution across the PCB, minimizing thermal stress and improving solder wetting. Equipped with PID+SSR temperature control, it maintains stability within ±2°C, critical for heat-sensitive components. The system supports preheating temperatures up to 250°C, with a rapid warm-up time to accelerate production cycles.


Environmentally Friendly Design

The exhaust system efficiently removes fumes and particulates, featuring a 5 m³/h airflow capacity and 1PCS exhaust unit for compliance with safety standards. The N2 protection system further reduces environmental impact by minimizing solder oxidation and waste.


User-Centric Interface

The PC-based control panel offers a graphical interface for easy program creation, editing, and storage. Gerber file compatibility streamlines setup, while real-time diagnostics and error alerts enhance operational efficiency. The machine’s 900±25 mm operating height ensures ergonomic comfort for operators.


Applications


Consumer Electronics

Ideal for soldering smartphone PCBs, wearable devices, and IoT modules, where miniaturization and mixed-technology components (e.g., SMT and through-hole) require pinpoint accuracy. Its ability to handle small PCBs (100×50 mm) makes it suitable for prototyping and low-volume production.


Automotive Electronics

Critical for manufacturing ADAS sensors, automotive control modules, and infotainment systems, where solder joint integrity is non-negotiable. The N2 protection system ensures high-reliability connections in harsh environments.


Industrial Automation

Supports the production of PLCs, robotics controllers, and power electronics, where robust soldering is essential for long-term performance. The machine's modular design allows integration into automated assembly lines for seamless scalability.


Medical Devices

Compliant with ISO 13485 standards, the AFS-250C ensures traceability and repeatability for surgical equipment, diagnostic tools, and implantable devices. Its PID temperature control mitigates risks of thermal damage to sensitive components.


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

FAQ


Q1: What is the maximum PCB size the AFS-250C can handle?

A1: The machine supports PCBs from 100×50 mm (min) to 300×250 mm (max), with a maximum weight of 5 kg. This accommodates a wide range of board sizes, from compact modules to mid-sized industrial PCBs.

Q2: How does the N2 protection system work?

A2: The N2 protection system floods the soldering area with inert nitrogen gas (99.99% purity), reducing oxidation of the solder and PCB surfaces. This results in cleaner, more reliable solder joints and extends the lifespan of the solder pot.

Q3: Can the AFS-250C handle lead-free soldering?

A3: Yes, the machine is fully compatible with lead-free soldering processes. Its PID-controlled heating system maintains precise temperatures required for lead-free alloys, ensuring optimal wetting and joint strength.


Specifications

Parameter

Size

1250L*1250W*1725H(mm)

Machine frame and cover

Extruded sections frame+Door

Operating height

900±25mm

Weight

Approx.1000KG

Power supply

3φ 380V  50/60HZ

Total power

12KW

PCB parameter

PCB size

Min:100(L)*50(W);Max:300(L)*250(W)(mm)

Top component height

Max130mm

Bottom component height

Max30mm

PCB Weight

Max5Kg

Selective spray system

Spray movement mode

Serve motor + linear rail

Spray flux volume

2L

Spray nozzle type

Needle

Selective Soldering System

Soldering movement mode

Soldering pot movement in XYZ axis

Movement mode

Serve motor + linear rail

Solder capacity

16KG

Solder melting time

25min

Solder nozzle size

Standard D8mm, other sizes is option

Top preheat system

Preheat mode

Far infrared ray

Heater position

Top

Temperature control mode

PID+SSR

N2 protection system

N2 consumption

1.5M3/h

Exhaust system

Exhaust quantity

1 PCS

Exhaust volume

About 5m³/h

Control system

Control mode

PC+ motion control card

PCB Process parameter

Setting, save , open in the PC screen


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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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 +86-18029195527
 +8618029190631
 wst@sundarc.com
 Located in 4th Floor, Block B, Building 5, Guanghui Wisdom Valley, No,136, Yongjun Road, Dalingshan Town, Dongguan city, Guangdong province.
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