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Cooling fan testing process: ensuring product quality and performance
Jun 05 , 2025
In order to ensure the quality and reliability of cooling fans, a series of rigorous tests must be carried out during the production process. The following are key test items before leaving the factory: 1. Balance test The fan blade is an important component of the cooling fan, and its balance directly affects the stability of the fan operation. Imbalance may cause vibration, noise, wear and short...
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Six-step method for selecting cooling fans: choosing the right fan is no longer difficult
Jun 11 , 2025
In electronic equipment and electromechanical products, cooling fans are key cooling components, and their performance directly affects system stability and service life. Therefore, fan selection is not arbitrary, but should be judged step by step based on scientific processes. Chungfo summarizes six selection steps to help you select the right fan model efficiently and accurately! Step 1: Determi...
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New Launch: High-Performance 12V DC Cross Flow Blower for Smart Washer-Dryers
Jul 18 , 2025
CHUNGFO is proud to release a new 12V DC cross flow blower, specially designed for smart washer-dryer applications. This 15035 model has passed a full series of electrical and environmental tests and is already in long-term partnership with the renowned home appliance brand Little Swan. With a rated speed of 5000RPM, maximum airflow of 18.79 CFM, and air pressure up to 27.1 mmAq, the blower ensure...
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Why is AC preferred over DC in homes?
Sep 22 , 2025
Walk into any modern home, and you’ll notice that almost all electricity supply comes from Alternating Current (AC). Many people wonder: since Direct Current (DC) can also generate electricity, why do households prefer AC? The answer lies not only in physics but also in the convenience and safety of our daily lives. This article explores why AC is superior to DC in homes, while also showcasing its...
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How does AC create a safe and comfortable life?
Sep 24 , 2025
Picture a typical summer night: the air conditioner keeps the living room cool, soft lighting brightens the bedroom, the refrigerator hums steadily in the kitchen, and the bathroom’s exhaust quietly removes humidity. Have you noticed what these comforts have in common? They all rely on Alternating Current (AC). You may wonder: since Direct Current (DC) also works, why do households almost exclusiv...
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How to Tell If a Fan Is AC or DC?
Sep 25 , 2025
In daily work or purchasing decisions, one common question arises: How can you distinguish between an AC fan and a DC fan? At first glance, they may look almost identical, but choosing the wrong type can result in higher energy consumption, louder noise, or even equipment failure. That’s why knowing the difference between AC and DC fans is crucial for both safety and performance. 1. Power Input Vo...
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Are DC Fans Harder to Install?
Sep 29 , 2025
When it comes to cooling and ventilation solutions, many people often ask the same question: Are DC fans harder to install than AC fans? On the surface, the difference between the two might not seem significant, but the installation process, power requirements, and application scenarios can influence the answer. In this blog, we’ll dive deep into the topic, offering you both technical knowledge an...
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Can a DC Fan Run on AC?
Sep 30 , 2025
When it comes to cooling solutions, both AC and DC fans play critical roles in industrial, commercial, and household applications. A common question asked by users and even engineers is: “Can a DC fan run on AC?” The short answer is no, at least not directly. DC fans are designed to operate on direct current, while household electricity supply and most industrial power grids are based on alternati...
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