Product Name:4020 Ball DC Fans
4020 Ball DC Fan is a product of Shenzhen Huaxinrong Plastic Electronics, which adopts pure copper DC brushless motor and PBT frame blades, and has the functions of operation monitoring, stopping alarm, PWM speed regulation, reverse connection protection, automatic restart, and waterproof, etc. The fan size is 40x40x20MM, and the airflow is 568CFM. The fan size is 40x40x20MM, speed is 5000-14000RPM, airflow is 568CFM, pressure is 345mmAq, noise is 226dBA, voltage is 05V-24V, weight is 26g. the fan consists of four parts: rotor, stator, motor and frame, the core components are stator and rotor. The principle of operation is to attach a first charged with magnetic rubber magnet around the silicon steel sheet, the shaft part of the winding two groups of coils, and the use of Hall induction components as a synchronous detection device to control a set of circuits, so that the two groups of coils wrapped around the core of the shaft to take turns to work, resulting in a different magnetic poles, and the rubber magnet generates suction and repulsion, thus making the fan blade rotation.
Ball DC fan is a highly efficient cooling device with ball bearing structure, which can provide good ventilation with low noise. DC fan consists of rotor, stator, outer frame, motor (motor) and other main parts and ball bearings, the core components are stator and rotor, through the magnetic field to generate suction or repulsion to drive the fan blades to rotate. Fan size size is generally expressed in terms of fan outer edge length and product thickness size, rated voltage is commonly 5V, 12V, 24V, 48V, etc., the degree of fan speed speed is expressed in rpm, the size of the air volume is expressed in Cubic Feet per Minute (CFM) or Cubic Metres per Minute (CMM), the size of the air pressure is expressed in mm-H2O or inH2O, and the size of the noise value is expressed in dBA.
Advantages of ball DC fans include:
1. Efficient heat dissipation: ball DC fans can provide high airflow and low noise, which can effectively take heat away from the equipment and keep it running normally.
2. long life: high quality ball DC fan, such as DC4020 ball fan produced by Huaxinrong Plastic & Electronics Co., Ltd, has a life span of up to 60,000 hours, and can operate stably for a long time.
3. Low Maintenance Costs: Ball DC fans have low maintenance costs and only require regular cleaning and lubrication.
4. Wide range of applications: Ball DC fans are suitable for a wide range of equipment and applications, such as computers, servers, electronic equipment, automobiles, and so on.
Overall, the ball DC fan is a highly efficient, long-life, low-maintenance cooling device that is widely used in a variety of devices and applications.
Computer's CPU, graphics card, motherboard and other hardware will generate a lot of heat when running under high load, cooling fans are widely used inside the computer to help emit heat and ensure the norm...
The engine, gearbox and other parts of a car generate a lot of heat when they work, and cooling fans are used in the cooling system of a car to keep the engine running properly.
Industrial equipment also generates a lot of heat during operation, and cooling fans are used in the cooling system of industrial equipment to ensure the normal operation of the equipment.
Home appliance cooling fans are used in a wide range of applications, including TVs, computers, stereos, refrigerators, air conditioners and other various electrical devices. When using home appliance cooling f...
We were founded in 2009, covering an area of 3500 square meters, with the most advanced experimental equipment and professional testing equipment. We have 150 employees and have passed ISO9001, 14001 management system certification and IATF16949 vehicle specification certification. Our products are distributed all over the world, and we have formed suppliers in several industries including photovoltaic energy storage, communication equipment, 3D printing, automotive, medical equipment, and charging equipment.
In today's increasingly technology-driven world, thermal management is no longer just an engineering afterthought—it is a mission-critical requirement. At the heart of thermal control lies the unsung hero of the hardware world: the cooling fan. Whether it's safeguarding life-saving medical equipment or keeping power tools functional on a summer construction site, cooling fans are vital to ensuring performance, longevity, and safety across countless applications.
Cooling fans are designed to move air efficiently through systems, extracting heat generated by internal components and maintaining safe operating temperatures. These fans are not one-size-fits-all; each industry demands a different level of precision, durability, airflow, and noise control.
Let’s explore how cooling fans are tailored to fit the unique thermal needs of 10+ high-impact sectors.
Medical devices—from MRI machines to portable infusion pumps—require absolute thermal stability. Fluctuations in temperature can affect accuracy or even lead to equipment failure. Cooling fans used in these environments must deliver powerful airflow with minimal noise and without compromising sterility.
● Keep internal electronics of diagnostic machines within safe operating ranges
● Prevent overheating in compact, portable equipment
● Operate silently in patient-care areas
● Anti-bacterial coating and low noise (<20 dBA)
● Compliance with FDA and ISO13485 standards
● Maintenance-free bearing systems for long-term reliability
Thermal control directly affects printing accuracy in 3D printers. Components like the extruder and controller board require targeted, controlled airflow to avoid heat-induced artifacts and system instability.
● Nozzle and hotend cooling
● Stepper motor temperature regulation
● Controller and power board heat dissipation
● Prevents heat creep and filament jams
● Ensures consistent layer deposition
● Reduces noise for home or office environments
In telecom networks, any downtime is critical. Routers, switches, base stations, and fiber terminals run 24/7 and must stay within strict thermal limits to prevent failures or signal loss.
● High airflow in compact form factors
● Redundancy support in critical systems
● IP54+ ratings for outdoor environments
● Dust filters should be cleaned or replaced regularly
● Temperature logs help detect declining fan performance
● Outdoor fans must withstand temperature fluctuations and rain
Electronics onboard airplanes, satellites, and UAVs face extreme altitudes, high vibration, and limited airflow. Here, every gram and cubic centimeter counts.
● Avionics systems cooling
● In-cabin electronics
● Ground radar and satellite hardware
● Operating in low-pressure conditions
● Managing vibration and shock
● Ensuring redundancy in mission-critical systems
● Lightweight magnesium or aluminum casing
● Wide temperature ranges (-40°C to +90°C)
● Manufactured under aerospace-grade quality controls
Industrial control cabinets, robots, and PLC units can experience constant high loads and temperature stress. Failures here can mean production halts or safety hazards.
● Keeping PLCs, sensors, and drives within operating temperature
● Extracting heat from factory control cabinets
● Cooling IGBT units in motor drives
● Exposure to dust, oil mist, and moisture
● Need for maintenance-free fans in 24/7 operations
● Choose fans with sealed bearings and IP-rated housing
● Implement alarms for fan failures
● Replace fans preventatively every 18–24 months
From cordless drills to electric lawn mowers, high-power tools need rugged fans to keep batteries and motors cool without adding weight or complexity.
● Manage battery temperatures to prevent thermal runaway
● Cool motors to avoid coil burnout
● Prevent internal plastic deformation under load
● High resistance to shock and vibration
● Water and dustproof (IP65+)
● High-torque airflow with compact footprint
As vehicles become smarter and more electric, they carry more heat-generating components—battery packs, infotainment systems, ADAS sensors. Cooling fans keep everything operating safely.
● In EV battery management systems
● In dashboard displays and inverters
● Inside engine control units (ECUs)
● IATF16949 certified
● Automotive-grade materials and testing
● Compact, low-noise designs with PWM speed control
Home appliances like ovens, fridges, purifiers, and even entertainment systems use fans to cool their internal components or distribute airflow evenly.
● Accelerate cooking in convection ovens
● Remove excess heat from compressors
● Maintain clean airflow in air purifiers
● Ultra-quiet operation
● Heat-resistant fan blades
● Long operational life
Battery management systems in energy storage units generate heat that, if not removed, can reduce storage capacity or cause fires. Cooling fans help mitigate that risk.
● Thermal control in Li-ion battery enclosures
● Inverters and power conversion hardware
● Off-grid solar controller cabinets
● Operate in extreme temperatures
● Energy-efficient DC motors
● Long lifespan under high heat conditions
Regardless of the application, proactive maintenance maximizes the fan’s performance:
● Dust Removal: Clean fan blades and vents monthly using compressed air
● Bearing Health: Use sealed or fluid-dynamic bearings for longer life
● Monitoring: Use tachometer signals or noise levels as performance indicators
● Replacement Cycles: Most fans should be replaced every 2–3 years in continuous operation
At our company, we engineer cooling fans not only for high airflow but for high reliability, custom compatibility, and industry certification. Here's why global clients trust our products:
● ISO9001, ISO14001, and IATF16949 certified production
● Over 150 employees with full R&D and testing facilities
● Full range from 25mm to 172mm in AC/DC variants
● Customization for waterproofing, dust resistance, noise reduction, and PWM control
We manufacture for industries ranging from medical to aerospace, delivering precision-engineered, high-performance fans that are built to last and tested to outperform.
From a 3D printer in a maker’s workshop to a base station on a mountain, our fans operate silently, efficiently, and reliably. With every industry facing unique thermal challenges, our engineering team crafts fan solutions that do more than cool—they enable innovation, prolong system life, and protect investments.
Looking for the right thermal solution? Let our fans do the heavy lifting—quietly, efficiently, and relentlessly.
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