Desktop Selective Wave Soldering Machine

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Automatic spot soldering and drag soldering, high efficiency;
Capable of soldering all types of PCB boards, easy to solder;
Die-cast aluminum profile structure — solid, attractive, with high temperature and precision control;
Microcontroller control + handheld programming box — simple, practical, fully featured, and highly efficient to use;
Equipped with Japanese Shinano motors, Taiwan Hiwin linear guides, Huayifeng photoelectric sensors, Leadshine drivers, and Hongbo switches — high-spec components for long-lasting durability;
Free sample service provided — test the results with a sample before purchasing with confidence;
One-year free warranty service for worry-free use;
Free technical training, process guidance, and production onboarding support.

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Categories: Soldering solutions, Desktop Soldering Machine

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Equipment Technical Specifications

Model	RF-BFH331 Automatic Selective Wave Soldering Machine
Range X/Y/Z (mm)	300/300/100 (size and number of stations customizable)
Programming Method	Teach programming or graphic import
Available Motion Trajectories	Point, straight line, arc, full circle, curve, polyline, spiral, ellipse
Soldering Head	Precision turbine nozzle
Flux Pressure Tank	5 liters
Spot Soldering Frequency	100 mm/second
Maximum Load	10 kg
Moving Speed (mm/sec)	0–500 mm
Repeat Precision	± 0.02 mm
Control Method	Microcontroller + handheld programming box
Program Storage Capacity	1,000 sets
Display Method	LCD teaching pendant
Motor System	Japanese Shinano motor
Driver	Leadshine
Linear Guide	Taiwan Hiwin
Photoelectric Switch	Huayifeng
Transmission Method	Synchronous belt
Input Power	Full voltage AC 110V ~ 220V
External Control Interface	RS232
Dimensions	540 × 580 × 650 mm
Unit Weight (kg)	58 KG

Industry Applications

Desktop selective wave soldering machines of this type are well suited to industries that demand high reliability, including automotive electronics, industrial equipment, telecommunications, and medical devices — sectors where PCBs frequently combine surface-mount (SMD) and through-hole (THT) components. This technology is also widely applied across the automotive, medical, and military industries.

Advantages Over Traditional Wave Soldering

Purpose-built for selective through-hole soldering on PCBs, allowing precise, targeted soldering at individual points without affecting nearby SMD components.
Conventional wave soldering typically achieves around 75% solder penetration, while selective wave soldering machines can reach up to 100% penetration.
Compared to full wave soldering, heat input into the board is significantly lower and no solder mask is required — ideal for boards with heat-sensitive components.
Selective soldering is the preferred choice over traditional wave soldering for complex PCBs, mixed-technology boards, or when only specific areas of the board require soldering.

Compatible Components & Boards

Suitable for soldering connectors, relays, transformers, and other through-hole leaded components on high-density boards or boards combining SMD and THT technology.

Standards & Certifications (Industry Reference)

Selective wave soldering machines in this category commonly meet CE, ISO9001, ISO14001, and RoHS standards, ensuring stable performance and compliance with global requirements.

Nozzle Selection Notes

Key factors to consider when selecting a soldering nozzle include interchangeable nozzle sizes (typically 1–5 mm), laminar flow design to minimize solder splashing, and dual-wave nozzles for soldering adjacent pins simultaneously. The RF-BFH331 comes standard with a Precision Turbine Nozzle, which can be customized similarly to common 4-6-47H style nozzles available on the market.