2026-02-06
In the large-scale production of air conditioning systems, welding is a core component determining the reliability and lifespan of the refrigeration system and electrical control modules. The uniformity and precision of flux spraying directly impact welding quality, production efficiency, and product compliance.
RPS-SONIC, deeply rooted in ultrasonic atomization technology research and development, has launched the RPS-AT50 ultrasonic flux atomization spraying equipment, specifically designed for the air conditioning industry. With its unique ultrasonic atomization core technology, it restructures the flux spraying process standards in air conditioning production, solving many drawbacks of traditional spraying and providing an efficient, precise, and energy-saving integrated solution for air conditioning welding.
The core of ultrasonic flux atomization spraying is the use of high-frequency ultrasonic vibration to transform liquid flux into uniform, tiny atomized particles. These particles are then precisely delivered via airflow, achieving uniform adhesion of the flux to the surface of the air conditioning workpiece. Its core advantages lie in "uniform atomization and strong controllability," completely differentiating it from the "high-pressure impact atomization" mode of traditional pneumatic spraying. RPS-SONIC, a professional manufacturer of ultrasonic atomization equipment, has integrated its independently developed ultrasonic transducer technology into the RPS-AT50 model, achieving breakthroughs in the equipment's adaptability and stability within the air conditioning industry. Its core atomization spraying logic can be divided into three key stages, fully aligning with the welding process requirements of air conditioning components.
First is the atomization generation stage, which is the core advantage of the RPS-AT50 atomization spraying system. The RPS-AT50 features a custom-designed high-frequency ultrasonic transducer from RPS-SONIC, generating stable 50kHz ultrasonic vibrations. This vibrational energy directly acts on an atomizing plate at the bottom of the flux storage chamber, breaking the liquid flux (compatible with commonly used no-wash flux and mildly activated rosin flux in the air conditioning industry, meeting RMA grade standards, effectively removing oxide films from air conditioning metal parts and reducing solder surface tension) into tiny droplets of 10-50μm without high-pressure impact. This droplet size, precisely tuned by RPS-SONIC, perfectly matches the surface characteristics of the air conditioning components to be soldered, preventing excessive flux buildup and residue due to overly large droplets, and avoiding waste and insufficient adhesion due to overly fine droplets.
Secondly, the precise delivery process is crucial. The atomized flux droplets are driven by a low-pressure, highly stable airflow, precisely delivered to the welding area along a pre-set spray path. The airflow pressure can be steplessly adjusted between 0.05-0.3 MPa, adapting to air conditioner components of different sizes and materials. For precision electrical control board weld points, a low-pressure delivery can be used to prevent droplet dispersion and deviation from the spray position due to airflow impact. For large areas such as compressors and heat exchangers, the air pressure can be appropriately increased to achieve rapid and uniform spraying.
Simultaneously, the RPS-AT50 is equipped with a precise flow control system. The flux spray flow rate can be precisely controlled between 0.1-5 ml/min. This allows for flexible adjustment of the spray amount according to the welding requirements of different air conditioner components, ensuring that the flux adhesion at each welding point is precisely within the standard range (meeting air conditioning industry welding flux adhesion standards), eliminating flux waste at the source.
Finally, there's the precise control aspect. The RPS-AT50 is equipped with RPS-SONIC's independently developed PLC control system, enabling automated and precise control of the entire atomization spraying process, perfectly suited to the large-scale, assembly line production needs of the air conditioning industry. The equipment can preset various spraying parameters (atomization frequency, airflow pressure, spraying flow rate, spraying time). For different components such as air conditioning control boards, compressors, and heat exchangers, corresponding spraying parameters can be stored in advance and directly recalled during subsequent production, eliminating the need for repeated adjustments and significantly improving production efficiency. Simultaneously, the equipment is equipped with a high-definition visual monitoring module, allowing real-time observation of atomization effects, spraying positions, and flux adhesion. If uneven atomization or spraying deviation occurs, an alarm signal will be issued promptly, facilitating quick troubleshooting and adjustments by operators to ensure consistent spraying quality.
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