Why Choose Us?
Our Products
Milestone Motor offers a range of high-quality products, including the YE3 series ultra high-efficiency three-phase asynchronous motors, as well as the YE2 and YX3 series high-efficiency three-phase asynchronous motors, medium high-voltage motors, and NEMA standard motors. We have a total of 15 series with over 3,000 specifications.
Company Certificates
Our products have received various certifications, including UL certification in the United States, CSA certification in Canada, CE certification in the European Union, 3C compulsory product certification in China, CQC product certification, China energy-saving product certification, explosion-proof certification, and KA or MA certification.
Our Company
Milestone Motor is located in Hebei Province and covers an area of 141,333 square meters. We have total assets of 620 million yuan and employ over 700 people. Our facility is equipped with 700 advanced production and testing machines, allowing us to produce approximately 200,000 motors each year.
Long-term Goals
Milestone Motor aims to list the company at the right time and become a leading innovative motor development and manufacturing enterprise in China and worldwide.
An electric motor squirrel cage is a type of AC motor, also known as an induction motor. Its rotor structure resembles a squirrel cage, hence its name. This type of motor is characterized by simple structure, high reliability and low maintenance cost, and is widely used in household appliances, industrial production and transportation. The rotor winding of the squirrel cage motor is not wound by insulated wires, but is welded or cast from aluminum or copper bars and short-circuit rings, and this structure makes the squirrel cage motor have the advantages of low maintenance cost and long service life.
Three Phase Asynchronous Motor
Three phase asynchronous motor which is also named as 3 phase motors is widely used in industry. It has become the workhorse of many mechanical and electromechanical systems due to their simplicity and long service life. Three phase asynchronous motor is one type of induction motor, or asynchronous motor, that operates by the principals of electromagnetic induction. Besides three phase motor, there are also single-phase induction motors. Single phase induction motors are used less frequently in industrial applications, but are widely used in domestic applications such as in vacuum cleaners, refrigerator compressors, and air conditioners, which is mainly for the use of homes and offices. In this article, we will discuss what a three-phase motor is and describe how it operates.
VFD ready motor (Variable frequency drive motor) is a motor system that controls the motor speed through a variable frequency drive. By using the variable frequency drive, the input voltage and frequency can be changed, thereby controlling the motor speed. This speed control method is more flexible and precise compared to traditional mechanical speed control methods, allowing for dynamic adjustment of the motor speed as needed. VFD ready motors are suitable for various industrial applications and automation systems. They are commonly used in equipment and systems that require frequent adjustment of speed, such as fans, pumps, compressors, and conveyors.
VFD ready motor, as a precise speed control motor system, provides flexibility, energy efficiency, and high efficiency for industrial production and automation system applications.
Asynchronous 3-phase motor consists of two basic components, stator and rotor. Stator is the fixed part of the motor. It doesn't move or rotate. Please refer to the photo on the right for its appearance. In the stator, there is a stator core and field windings. For an asynchronous 3 phase motor, a separate winding is set for each 3 phase. It forms a space where the current and magnetic field can be generated.
I took a photo of our electrical workshop for your reference. We have two areas. One is the mannual windings area, the other is the machine automatic winding area. Mannual windings are still necessary especiall for large motors.
High efficiency, energy saving, low carbon is the focus of today's global attention, various countries, especially developed regions in Europe and the United States, have clear requirements for motor efficiency, China in 2020 issued a mandatory motor energy efficiency standard GB18613-2020 "small and medium-sized motor energy efficiency limits and energy efficiency grades". In order to meet the needs of domestic and foreign markets, the efficiency of YE3 series motors produced by our company fully meets the GB18613-2020 level 3 energy efficiency or IEC60034-30 level 3 energy efficiency regulations, and the technical level reaches the domestic advanced level. And has obtained the China Quality Certification Center (CQC) issued the "China energy-saving product Certification certificate" and "China National Mandatory Product Certification (CCC) certificate" and the EU safety certification body issued the "CE certification" certificate.
High efficiency AC motors are a type of motor designed for various applications, powered by an AC power source. High efficiency AC motors are typically engineered to provide efficient energy conversion and precise control, suitable for a wide range of industrial and commercial applications.
High efficiency AC motors includes low-voltage motors, high-voltage motors, and explosion-proof motors among others. These motor types, distinguished by their rated voltage, environmental requirements, and safety features, have specific designs and application characteristics.
High Efficiency Induction Motor
High-efficiency, energy-saving, low-carbon is the focus of global attention today, each country, especially in Europe and the United States developed regions of the motor efficiency has been a clear requirement, China in 2012 promulgated and implemented the mandatory energy-efficiency standard GB18613-2012 "small and medium-sized motor energy efficiency limit values and energy efficiency class". In order to meet the needs of domestic and foreign markets, the efficiency of YE3 series motors produced by our company is fully in line with the GB18613-2012 level 2 energy efficiency or IEC60034-30 level 3 energy efficiency, and the technical level has reached the domestic leading level. And we have obtained the "China Energy Saving Product Certificate" and "China Compulsory Certification (CCC) Certificate" issued by China Quality Certification Centre (CQC) and "CE Certificate" issued by the European Union Safety Certification Body. Certificate of CE issued by the European Union safety certification body.
Introducing the 10 HP Induction Motor – a power-packed solution for your industrial needs. With a robust construction and exceptional performance, this motor is sure to meet all your expectations.
Three Phase Squirrel Cage Motor
Three phase squirrel cage motor is a common industrial motor, known for its stable performance and reliable operation. Three phase squirrel cage motor is an important source of power to drive various mechanical equipment in industrial production, widely used in manufacturing, processing, conveying and other fields.
Cage ac motor, also known as the squirrel-cage motor. Squirrel-cage induction motors are very prevalent in industry, in sizes from 1 kilowatt (1.3 hp) up to tens of megawatts (tens-of-thousand horsepower). They are rugged, and self-starting.
Advantages of Electric Motor Squirrel Cage
Simple structure: The simple structure of the rotor of the squirrel cage motor, without windings, low manufacturing cost. This simple structure not only reduces the manufacturing cost, but also reduces the complexity of maintenance and repair, thus improving the convenience of maintenance.
Ease of Maintenance: Since the rotor of squirrel cage motor has no winding, it does not require regular maintenance and replacement, so the maintenance cost is low and the risk of failure due to improper maintenance is reduced.
High reliability: Squirrel cage motor rotor structure is simple, no rotating parts and carbon brushes and other wear parts, low failure rate, high reliability.
Good starting performance: Squirrel cage motors have good starting performance and can withstand high starting currents. Suitable for applications that require frequent starting and stopping.
Wide range of applications: Squirrel cage motors are suitable for a variety of industrial and civil applications, such as fans, pumps, compressors and so on. Its wide application is due to its high reliability and low maintenance cost.
Common Applications of Electric Motor Squirrel Cage
In the industrial realm, squirrel cage motors are indispensable. They are the driving force behind a wide array of machinery and systems critical to production processes and facility management. For instance, these motors power pumps that are essential for the movement of fluids in sectors such as water management, chemical processing, and oil and gas. The choice of squirrel cage motors for pumps stems from their robustness and uninterrupted operation capability, crucial in environments where continuous flow is non-negotiable.
Fans and blowers, tasked with ventilation, cooling, or even air supply for combustion, heavily rely on squirrel cage motors for their operation. The simplicity and reliability of these motors make them suitable for long-term, continuous use-a staple requirement in HVAC systems and industrial cooling. Similarly, conveyor systems, which form the backbone of material handling in warehouses, mining, and manufacturing plants, also depend on these motors. The ability to produce a consistent torque reliably over time allows for the smooth functioning of conveyor belts, thus ensuring uninterrupted industrial operations.
Within the domestic sphere, squirrel cage motors quietly facilitate comfort and convenience, embedded within numerous household appliances. Their presence is felt in air conditioners and refrigerators, where their task revolves around compressing refrigerants or driving fans for air circulation. Washing machines and dishwashers also utilize these motors for agitating or rotating drums, providing the mechanical action necessary for cleaning. The prevalence of squirrel cage motors in these applications is largely due to their compact form, efficiency, and minimal maintenance they require-attributes highly valued in consumer appliances.
Further extending their applicability, squirrel cage motors are specifically designed to operate in hazardous environments, highlighting their versatility. In settings where explosive gases, dust, or volatile chemicals pose significant risks, explosion-proof variants of these motors ensure safety alongside functionality. These specialized motors are constructed to prevent any internal spark or high temperature from igniting the external atmosphere, crucial in petrochemical plants, mines, and grain silos. The reliability and robustness of squirrel cage motors augment their suitability for such environments, providing a secure, efficient solution where standard motors would pose a significant hazard.
Common Troubleshooting of Electric Motor Squirrel Cage
Motor fails to start or start slowly
This could be a sign of a power supply issue, an overloaded motor, or a fault in the starter circuit. Verify the power supply voltage and connections. A motor that struggles to start may also have a seized bearing or be facing mechanical resistance; inspect for any obstructions or signs of wear in moving parts.
Excessive heating
Overheating can arise from several causes, including overload, poor ventilation, or a high ambient temperature. First, check the motor load and ensure there's no excess. Next, inspect the motor's ventilation system for blockage, and clean any dust or debris that could be inhibiting airflow. Lastly, evaluate the environment where the motor operates – it should be free of excessive heat sources and allow for proper cooling.
Unusual vibrations or noises
These could indicate misalignment, bearing failure, or an imbalance in the motor or attached components. Carefully examine and realign the motor and driven equipment. Replace bearings if worn or damaged, and balance the motor rotor if an imbalance is detected.
Tripped overload protectors
Overload protectors trip to prevent motor damage when they detect excessive current draw, which may be caused by an overload, a short circuit, an Undervoltage condition, or a motor defect. Identify and correct the overload condition, check for short circuits, ensure proper voltage levels, and examine the motor for internal defects.
Maintenance of Electric Motor Squirrel Cage
Regular cleaning: Keep the motor and its surroundings clean from dust, dirt, and debris that might obstruct the cooling airflow or accumulate on windings, potentially causing insulation failure or overheating.
Lubrication: Bearings require periodic lubrication to reduce friction and wear. Follow the manufacturer's recommendations for lubrication type and schedule, and avoid over-lubrication which can cause overheating.
Inspection: Periodically inspect the motor for signs of wear, overheating, or environmental damage. Components such as bearings, brushes (if any), and windings should be checked routinely to catch issues before they become problems.
Testing: Perform regular insulation resistance testing to assess the condition of the motor windings and insulation. This can help predict potential failures from degradation over time.
Cooling system: Ensure that the motor's cooling system is functional, especially if it's fan-cooled. Any blockages in the ventilation paths can lead to overheating and reduced efficiency.
Load monitoring: Regularly monitor the load on the motor to ensure that it is not consistently operating near or at its maximum capacity, as this can lead to increased wear and potential overload conditions.
Alignment and balancing: Make sure that the motor and the driven equipment remain properly aligned and that the motor's rotor is balanced. Misalignment or an imbalance can create vibrations damaging to the motor and connected equipment.
Our Factory
Milestone Motor, located in Hebei Province, covers an area of 141,333 square meter, with total assets of 620 million yuan, more than 700 employees, 700 sets of domestic advanced production equipment and testing equipment, and an annual output of about 200,000 motors.
Certifications
Milestone Motor is the director unit of Small and Medium Motors Branch of China Electrical Appliance Industry Association, and one of the earliest enterprises to design, produce and promote new energy-saving Y-series motors in China; National large second tier enterprises and top 500 Chinese machinery enterprises. It has passed ISO9001 quality management system certification, ISO14001 environmental management system certification and ISO45001 occupational health and safety management system certification.
FAQ
Hot Tags: electric motor squirrel cage, China electric motor squirrel cage manufacturers, suppliers, factory, escalator electric motor, manufacturing electric motor, electric motor for hoists, durable electric motor, cnc machine electric motor, compressor electric motor
