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06-27

2025

The hazards and preventive measures of motor shaft eccentricity

In modern industrial production, as the core power equipment, the stability of the motor's operation directly affects production efficiency and equipment life. However, the common fault of motor shaft eccentricity is often overlooked until it causes serious consequences before it is taken seriously. Eccentricity of the shaft not only causes abnormal vibration and noise in the equipment, but also triggers a series of chain reactions, causing huge economic losses to the enterprise. Next, we will analyze in detail the hazards of motor shaft eccentricity and propose effective prevention and solutions.

06-20

2025

Common problems and solutions of motor winding

As the core component of modern industry, the stable operation of the winding system of the motor is crucial. However, in practical use, various problems often occur in the winding system, affecting motor performance and even causing equipment shutdown. This article will introduce several common problems with motor windings and their solutions, helping users identify and handle winding faults in a timely manner.

06-13

2025

Five key factors for selecting motors in textile factories

As the core power equipment of textile factories, the selection of motors directly affects production efficiency, product quality, and operating costs. Reasonable selection of motors can not only improve the operating efficiency of textile machinery, but also reduce energy consumption and extend the service life of equipment. This article will systematically analyze the key factors that need to be considered when selecting motors for textile factories.

06-05

2025

Motor abnormal noise alarm! Analysis of the deep reasons behind the friction between stator and rotor

During the operation of the motor, it should maintain a stable and low-noise working state under normal circumstances. However, when there is a loud friction sound between the stator and rotor of the motor, it not only interferes with the normal working environment, but may also indicate serious faults in the motor. If not dealt with in a timely manner, it may even cause damage to the motor, resulting in economic losses and production interruptions. Exploring the reasons for the loud friction sound between the stator and rotor of a motor requires analysis from multiple aspects such as mechanical, electromagnetic, and installation.

05-22

2025

How to avoid demagnetization of the motor during operation?

In modern industry and daily life, motors are the core equipment for energy conversion, and their stable performance is crucial. However, the demagnetization phenomenon during the operation of the motor is like a hidden "performance killer", which can lead to a decrease in motor efficiency and increased heat generation, or even complete failure. So, how can we effectively avoid demagnetization of the motor and ensure its long-lasting and efficient operation? The answer lies in the full chain protection from materials, design, operation control to maintenance.

05-15

2025

Analysis of the causes of deformation or fracture of motor shaft

In modern industrial production, as the power core, the stability of the motor shaft is crucial. Once the shaft deforms or breaks, it not only causes equipment shutdown, but may also lead to serious production accidents and economic losses. Thoroughly exploring the causes of such problems with the shaft is of great significance for preventing malfunctions and ensuring the safe operation of equipment.

05-08

2025

What's wrong with the motor stalling when it starts?

Electric motors are widely used in industrial production and daily life. From mechanical equipment in factories to household appliances, their operation is indispensable. However, when the motor fails to start and stalls, it not only affects the normal operation of the equipment, but may also pose a safety hazard. What exactly caused this problem to occur? Next, we will delve into the analysis and provide corresponding solutions.

04-24

2025

Is it an efficient motor with an energy efficiency label? The truth is not that simple

In the vast machines of modern industry and the daily operation of smart homes, motors are like an endless "energy heart" silently driving various devices to operate. With the deepening of energy-saving awareness, the colorful energy efficiency labels on the motor casing have become an important reference for everyone when choosing. But many people have a misconception: as long as an energy efficiency label is affixed, it is a good motor that is efficient and energy-saving. Is the fact really that simple?

04-17

2025

Cause analysis and solution strategies for abnormal magnetic field position of motors

In industrial production and daily applications, motors are the core equipment that converts electrical energy into mechanical energy, and their stable operation is crucial. However, the problem of abnormal magnetic field position in motors often troubles equipment maintenance personnel and engineers. Abnormal magnetic field position not only leads to a decrease in motor output power and efficiency, but may also cause vibration, noise, and even damage to the motor, affecting the normal operation of the entire production system. Thoroughly exploring the causes of its occurrence and developing targeted solutions is the key to ensuring the reliable operation of the motor.

04-10

2025

The importance of rotor dynamic balancing in motor production

As an indispensable power equipment in modern industry and daily life, the performance and reliability of electric motors are crucial. As a key link in motor production, rotor dynamic balancing plays an indispensable role in ensuring stable operation and extending the service life of motors. Mainly reflected in the following aspects:

03-27

2025

Analysis and solution of the reason for the motor buzzing and not turning

During the operation of various electromechanical equipment, it is common to encounter the phenomenon of motors buzzing but not rotating. This issue not only affects the normal operation of equipment, causing production interruptions, but in severe cases, it may also lead to motor burnout, resulting in economic losses. Understanding the underlying causes and taking targeted measures to solve them in a timely manner is crucial for ensuring the stable operation of the equipment. Next, let's delve into the reasons for the motor buzzing and not turning from multiple aspects such as power supply, motor itself, and load.

03-20

2025

Why do motors still burn out in the era of variable frequency? How to avoid it?

With the widespread application of frequency conversion technology, motors have made significant progress in energy conservation, speed regulation, and automation control. However, many users have found that even with the use of a frequency converter, the motor may still burn out. What is the reason behind this? How can we effectively avoid it? This article will delve into the common causes of frequency conversion motor burnout and provide practical and feasible preventive measures.

03-13

2025

Why has high-efficiency motor become the first choice for industrial energy conservation?

Against the backdrop of the increasingly severe global energy crisis and climate change, energy conservation and emission reduction in the industrial sector have become the focus of attention for countries around the world. As an indispensable power equipment in industrial production, electric motors account for over 40% of global industrial electricity consumption. Efficient motors, with their excellent energy-saving performance and technological advantages, are gradually becoming the preferred solution for industrial energy conservation.

02-20

2025

Does the weight of the motor affect its performance?

The relationship between motor weight and its performance is a complex and multidimensional topic. Firstly, we need to clarify that motor performance typically encompasses multiple aspects such as efficiency, power, speed, torque, and reliability.

02-13

2025

How does the current magnitude of a variable frequency motor change?

As a motor that adjusts its speed by changing the power frequency, the current magnitude of a variable frequency motor involves multiple key factors. During operation, the frequency converter converts fixed frequency AC power into variable frequency AC power to supply power to the motor. In this process, the change in current magnitude is influenced by a combination of multiple factors. Let's explore in detail below.

02-06

2025

What are the influencing factors in the design of efficient motors?

Against the backdrop of global advocacy for energy conservation and emission reduction, as well as active response to climate change, the research and design of efficient motors has become a key task in the energy sector, playing a crucial role in reducing energy consumption and improving energy utilization efficiency. With the acceleration of industrial modernization, motors, as the core driving components of various industrial equipment, household appliances, etc., account for a considerable proportion of energy consumption in the total electricity consumption of the whole society. Therefore, designing efficient and energy-saving motors not only helps companies reduce operating costs and improve production efficiency, but also contributes significantly to the sustainable development strategy of the country and even the world. The design of efficient motors is a complex system engineering that is mainly influenced by a combination of the following factors:

01-23

2025

Efficient motor: How to become the perfect combination of energy saving and performance?

Against the backdrop of energy scarcity and increasing environmental awareness, efficient motors are becoming an important driving force in industrial production and daily life. Efficient motors, with their excellent energy conversion efficiency and low energy consumption characteristics, are bringing revolutionary changes to various industries.

01-16

2025

Why has permanent magnet synchronous motor become the main driving motor?

Permanent magnet synchronous motor is an efficient and compact synchronous motor that uses permanent magnets to generate a magnetic field and interacts with the rotating magnetic field generated by the stator winding to rotate. Permanent magnet synchronous motors have become the main driving motors, mainly due to their significant advantages in multiple aspects. The following is a detailed analysis of these advantages:

01-10

2025

Key points for operation, maintenance and upkeep of motor bearings

The main function of motor bearings is to support mechanical rotating bodies and reduce the mechanical load friction coefficient of equipment during transmission. The operation and maintenance of motor bearings are crucial for ensuring stable operation and extending the service life of the motor. Here are some key maintenance points:

12-30

2024

The 2025 Hengda Electric "Year of the Snake Auspicious · Glorious Continuation" Annual Conference Ceremony was successfully held

12-26

2024

What faults can occur when the motor ages?

Motor aging is a complex process that involves multiple components and factors, resulting in a variety of possible faults. The following are some common faults that may be caused by motor aging:

12-19

2024

Why is there an air gap between the rotor and stator of a motor?

In order to ensure that the rotor can rotate freely in the stator cavity during motor operation, an air gap must be maintained between the rotor core and the stator core. Although there is no direct electromagnetic connection between the rotor and stator, when the stator winding is energized, similar to the principle of a transformer, there is an electromagnetic connection between the rotor and stator, thus achieving the energy conversion function between electrical energy and mechanical energy.

12-11

2024

What kind of motor is considered a good motor?

Electric motor, also known as electric motor and generator, is a device that converts electrical energy and mechanical energy based on the principle of electromagnetic induction. According to the different working power sources, motors can be divided into DC motors and AC motors, which are widely used in various mechanical equipment to drive equipment operation or convert energy. What kind of motor is considered a good motor?

11-28

2024

What are the causes of short circuit faults in motor windings?

The motor winding is one of the core components of the motor, which is made up of wires wound in a specific way to form the electromagnetic part of the motor. The main function of the winding is to generate a magnetic field and induced electromotive force, thereby achieving energy conversion and transmission in the motor. In motors, windings are usually divided into stator windings and rotor windings, which generate a magnetic field through the action of current to drive the motor to operate. The design and manufacturing quality of windings directly affect the performance, efficiency, and reliability of motors. But short circuit of motor winding is also a common fault of motors, and its causes are diverse.

11-21

2024

What negative effects does rotor imbalance have on the performance of the motor?

The motor rotor, as the core rotating component in the motor, works together with the stator to achieve the conversion of electrical and mechanical energy. It is usually composed of rotor iron core, shaft and other components, responsible for outputting torque in the electric motor or receiving energy in the generator. Unbalanced rotor is a common problem in motor operation.

11-14

2024

What unique properties does direct drive technology endow to motors?

Direct drive technology refers to the direct drive of a machine by an electric motor, without the need for traditional mechanical transmission devices such as gearboxes, reducers, screws, turbines, etc. to transmit power. Its working principle is to directly drive the load through the rotor of the motor, thereby achieving transmission and control. Direct drive motors are usually composed of three parts: stator, rotor, and sensor. The stator generates a rotating magnetic field, which causes the rotor to rotate under rotational torque, thereby driving the load.

11-07

2024

What are the reasons for the high current of high-efficiency motors?

The main reason for the high current of high-efficiency motors is due to optimization measures in the design. In order to achieve high efficiency, motor designers will take measures to reduce motor losses, such as reducing the number of turns in the winding and decreasing the resistance to reduce heat loss. However, these measures will also increase the excitation current of the motor, resulting in a larger current bias.

10-19

2024

Empowering with strong intelligence, improving quality and moving towards innovation | The 2024 China International Textile Machinery Exhibition and ITMA Asia Exhibition have come to a successful conclusion

Driven by the wave of globalization and Industry 4.0, the textile machinery industry has undergone unprecedented changes, and a textile machinery feast with "new quality productivity" as the core driving force has once again opened the curtain of industrial iteration. From October 14th to 18th, 2024, the five-day 2024 China International Textile Machinery Exhibition and ITMA Asia Exhibition (hereinafter referred to as "2024 International Textile Machinery Exhibition") successfully concluded at the National Convention and Exhibition Center (Shanghai).

10-17

2024

2024 China International Textile Machinery Exhibition and ITMA Asia Exhibition

10-11

2024

Hengda Electric cordially invites you to participate in the China International Textile Machinery Exhibition and ITMA Asia Exhibition

As of September 2024, about 1700 leading textile machinery manufacturers have applied to participate in the exhibition, including many well-known domestic and foreign enterprises such as Hengtian Group, Lida, Toyota, Shimadzin, etc. Compared to the previous edition, it is expected that the scale of this exhibition will be larger.

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News center

The hazards and preventive measures of motor shaft eccentricity

Common problems and solutions of motor winding

Five key factors for selecting motors in textile factories

Motor abnormal noise alarm! Analysis of the deep reasons behind the friction between stator and rotor

How to avoid demagnetization of the motor during operation?

Analysis of the causes of deformation or fracture of motor shaft

What's wrong with the motor stalling when it starts?

Is it an efficient motor with an energy efficiency label? The truth is not that simple

Cause analysis and solution strategies for abnormal magnetic field position of motors

The importance of rotor dynamic balancing in motor production

Analysis and solution of the reason for the motor buzzing and not turning

Why do motors still burn out in the era of variable frequency? How to avoid it?

Why has high-efficiency motor become the first choice for industrial energy conservation?

Does the weight of the motor affect its performance?

How does the current magnitude of a variable frequency motor change?

What are the influencing factors in the design of efficient motors?

Efficient motor: How to become the perfect combination of energy saving and performance?

Why has permanent magnet synchronous motor become the main driving motor?

Key points for operation, maintenance and upkeep of motor bearings

The 2025 Hengda Electric "Year of the Snake Auspicious · Glorious Continuation" Annual Conference Ceremony was successfully held

What faults can occur when the motor ages?

Why is there an air gap between the rotor and stator of a motor?

What kind of motor is considered a good motor?

What are the causes of short circuit faults in motor windings?

What negative effects does rotor imbalance have on the performance of the motor?

What unique properties does direct drive technology endow to motors?

What are the reasons for the high current of high-efficiency motors?

Empowering with strong intelligence, improving quality and moving towards innovation | The 2024 China International Textile Machinery Exhibition and ITMA Asia Exhibition have come to a successful conclusion

2024 China International Textile Machinery Exhibition and ITMA Asia Exhibition

Hengda Electric cordially invites you to participate in the China International Textile Machinery Exhibition and ITMA Asia Exhibition

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