Product Description

YASKAWA SGM7J-04AFC6E SGD7S-2R8A00A002 electric servo motor 

Product Description


The rated speed of sgm7j servo motor is 3000r / M and the speed is 6000r / M; Σ 7 series sgm7g servo motor with rated speed of 1500r / M and speed of 3000r / M.
It is applied to semiconductor and liquid crystal manufacturing equipment, electronic component installation machines, machine tools, metal processing equipment, packaging equipment, robots and other general industrial equipment.

Yaskawa servo Σ- 7 Series [0.1-4.4kw] product model [pulse type]:

100W                        SGM7J-01AFC6S+SGD7S-R90A00A002(100W)

100W with brake       SGM7J-01AFC6E+SGD7S-R90A00A002

200W                        SGM7J-02AFC6S+SGD7S-1R6A00A002 (200W)

200W with brake       SGM7J-02AFC6E+SGD7S-1R6A00A002

400W                        SGM7J-04AFC6S+SGD7S-2R8A00A002 (400W)

400W with brake       SGM7J-04AFC6E+SGD7S-2R8A00A002

750W                        SGM7J-08AFC6S+SGD7S-5R5A00A002 (750W)

750W with brake       SGM7J-08AFC6E+SGD7S-5R5A00A002

850W                        SGM7G-09AFC61+SGD7S-7R6A00A002 (1KW)

850W with brake       SGM7G-09AFC6C+SGD7S-7R6A00A002

1.3KW                       SGM7G-13AFC61+SGD7S-120A00A002 (1.5KW)

1.3KW with brake      SGM7G-13AFC6C+SGD7S-120A00A002

1.8KW                       SGM7G-20AFC61+SGD7S-180A00A002 (2KW)

2.9KW                       SGM7G-30AFC61+SGD7S-200A00A002 (3KW)

2.9KW with brake      SGM7G-30AFC6C+SGD7S-200A00A002

4.4KW                       SGM7G-44AFC61+SGD7S-330A00A002 (5KW)

4.4KW with brake      SGM7G-44AFC6C+SGD7S-330A00A002

5.5KW                       SGM7G-55AFC61+SGD7S-470A00A002(6KW)

5.5KW with brake      SGM7G-55AFC6C+SGD7S-470A00A002

7.5KW                       SGM7G-75AFC61+SGD7S-550A00A002(7.5KW)

7.5KW with brake      SGM7G-75AFC6C+SGD7S-550A00A002

Packaging & Shipping


Company Profile

HangZhou City Heneng Automation Equipment company, the main products are automation controller electronic components, touch screen and other electronic products. With nearly 10 years industry experience of electronic component and professional services. Heneng Automation company has won the trust of customers. Heneng’s believe is help our customer factories to become automation and to create the greatest benefit for clients.

Heneng is looking CHINAMFG to cooperate with you!



Products Xihu (West Lake) Dis.

Our Brand:

Siemens,  Mitsubishi, Omron, Pilz, Yaskawa, Panasonic, GE, Delta, Fatek, LS, KEYENCE,

Honeywell, HollySys, Emerson, Pro-face, WEINVIEW, Leuze, Johnson Controls, Lenze, SEW, Yokogawa, Parker,

Rexroth, Vickers, ATOS, CKD, P+F, Burkert, SMC, Sick, IFM, TURCK, E+L, Carlo gavazzi,  ELCO, Baumer, Contrinex,

SCHMERSAL, B&R,  Balluff, Heidenhain, Phoenix, Weidmuller, Finder, MURR, Autonics, JUMO, MEAN WELL

Our Manage 

PLC , Inverter , Motor , Driver , HMI , Sensor , IGBT , IC , Circute breaker , Encoder , Timer , and other automation contro products



Customer Evaluation





1. Q: How to guarantee the quality of your products ?
A: All goods are new and original with 365 days guarantee. 

2. Q: Could Heneng Trade provide Technology Support?
A: We’re in this field many year. If there’s any problem,
     please contact us,we’ll provide suggestion from our
     engineer and the Manufacturer to help you solve the problem.

3. Q: What warranty does Heneng Trade Provide ?
A: All parts we sell have 30 days return policy from the day
    of shipment, but if Damage we are unable to replace it.

4. Q: What shipment Service Heneng Trade Provide?
A: We Ship via DHL,Araemx, FEDEX, UPS, EMS express,
    depends on customer’s requirement.

5. Q: What is your shipment procedure after getting the payment?
A: We dispatch the goods within 1 day after getting the payment,
    Air shipping usually take 3-5working days to reach there on
    destination place, we will provide the tracking number to you
    when we dispatch goods.

Power Source: AC Motor
Starting Mode: Capacitor-start Single Phase Asynchronous Motor
Speed: High Speed
Function: Control, Driving
Power: 0.4kw
Voltage: 200V

induction motor

Can you explain the concept of motor efficiency and how it relates to AC motors?

Motor efficiency is a measure of how effectively an electric motor converts electrical power into mechanical power. It represents the ratio of the motor’s useful output power (mechanical power) to the input power (electrical power) it consumes. Higher efficiency indicates that the motor converts a larger percentage of the electrical energy into useful mechanical work, while minimizing energy losses in the form of heat and other inefficiencies.

In the case of AC motors, efficiency is particularly important due to their wide usage in various applications, ranging from residential appliances to industrial machinery. AC motors can be both induction motors, which are the most common type, and synchronous motors, which operate at a constant speed synchronized with the frequency of the power supply.

The efficiency of an AC motor is influenced by several factors:

  1. Motor Design: The design of the motor, including its core materials, winding configuration, and rotor construction, affects its efficiency. Motors that are designed with low-resistance windings, high-quality magnetic materials, and optimized rotor designs tend to have higher efficiency.
  2. Motor Size: The physical size of the motor can also impact its efficiency. Larger motors generally have higher efficiency because they can dissipate heat more effectively, reducing losses. However, it’s important to select a motor size that matches the application requirements to avoid operating the motor at low efficiency due to underloading.
  3. Operating Conditions: The operating conditions, such as load demand, speed, and temperature, can influence motor efficiency. Motors are typically designed for maximum efficiency at or near their rated load. Operating the motor beyond its rated load or at very light loads can reduce efficiency. Additionally, high ambient temperatures can cause increased losses and reduced efficiency.
  4. Magnetic Losses: AC motors experience losses due to magnetic effects, such as hysteresis and eddy current losses in the core materials. These losses result in heat generation and reduce overall efficiency. Motor designs that minimize magnetic losses through the use of high-quality magnetic materials and optimized core designs can improve efficiency.
  5. Mechanical Friction and Windage Losses: Friction and windage losses in the motor’s bearings, shaft, and rotating parts also contribute to energy losses and reduced efficiency. Proper lubrication, bearing selection, and reducing unnecessary mechanical resistance can help minimize these losses.

Efficiency is an important consideration when selecting an AC motor, as it directly impacts energy consumption and operating costs. Motors with higher efficiency consume less electrical power, resulting in reduced energy bills and a smaller environmental footprint. Additionally, higher efficiency often translates to less heat generation, which can enhance the motor’s reliability and lifespan.

Regulatory bodies and standards organizations, such as the International Electrotechnical Commission (IEC) and the National Electrical Manufacturers Association (NEMA), provide efficiency classes and standards for AC motors, such as IE efficiency classes and NEMA premium efficiency standards. These standards help consumers compare the efficiency levels of different motors and make informed choices to optimize energy efficiency.

In summary, motor efficiency is a measure of how effectively an AC motor converts electrical power into mechanical power. By selecting motors with higher efficiency, users can reduce energy consumption, operating costs, and environmental impact while ensuring reliable and sustainable motor performance.

induction motor

Can you explain the difference between single-phase and three-phase AC motors?

In the realm of AC motors, there are two primary types: single-phase and three-phase motors. These motors differ in their construction, operation, and applications. Let’s explore the differences between single-phase and three-phase AC motors:

  • Number of Power Phases: The fundamental distinction between single-phase and three-phase motors lies in the number of power phases they require. Single-phase motors operate using a single alternating current (AC) power phase, while three-phase motors require three distinct AC power phases, typically referred to as phase A, phase B, and phase C.
  • Power Supply: Single-phase motors are commonly connected to standard residential or commercial single-phase power supplies. These power supplies deliver a voltage with a sinusoidal waveform, oscillating between positive and negative cycles. In contrast, three-phase motors require a dedicated three-phase power supply, typically found in industrial or commercial settings. Three-phase power supplies deliver three separate sinusoidal waveforms with a specific phase shift between them, resulting in a more balanced and efficient power delivery system.
  • Starting Mechanism: Single-phase motors often rely on auxiliary components, such as capacitors or starting windings, to initiate rotation. These components help create a rotating magnetic field necessary for motor startup. Once the motor reaches a certain speed, these auxiliary components may be disconnected or deactivated. Three-phase motors, on the other hand, typically do not require additional starting mechanisms. The three-phase power supply inherently generates a rotating magnetic field, enabling self-starting capability.
  • Power and Torque Output: Three-phase motors generally offer higher power and torque output compared to single-phase motors. The balanced nature of three-phase power supply allows for a more efficient distribution of power across the motor windings, resulting in increased performance capabilities. Three-phase motors are commonly used in applications requiring high power demands, such as industrial machinery, pumps, compressors, and heavy-duty equipment. Single-phase motors, with their lower power output, are often used in residential appliances, small commercial applications, and light-duty machinery.
  • Efficiency and Smoothness of Operation: Three-phase motors typically exhibit higher efficiency and smoother operation than single-phase motors. The balanced three-phase power supply helps reduce electrical losses and provides a more constant and uniform torque output. This results in improved motor efficiency, reduced vibration, and smoother rotation. Single-phase motors, due to their unbalanced power supply, may experience more pronounced torque variations and slightly lower efficiency.
  • Application Suitability: The choice between single-phase and three-phase motors depends on the specific application requirements. Single-phase motors are suitable for powering smaller appliances, such as fans, pumps, household appliances, and small tools. They are commonly used in residential settings where single-phase power is readily available. Three-phase motors are well-suited for industrial and commercial applications that demand higher power levels and continuous operation, including large machinery, conveyors, elevators, air conditioning systems, and industrial pumps.

It’s important to note that while single-phase and three-phase motors have distinct characteristics, there are also hybrid motor designs, such as dual-voltage motors or capacitor-start induction-run (CSIR) motors, which aim to bridge the gap between the two types and offer flexibility in certain applications.

When selecting an AC motor, it is crucial to consider the specific power requirements, available power supply, and intended application to determine whether a single-phase or three-phase motor is most suitable for the task at hand.

induction motor

How does the speed control mechanism work in AC motors?

The speed control mechanism in AC motors varies depending on the type of motor. Here, we will discuss the speed control methods used in two common types of AC motors: induction motors and synchronous motors.

Speed Control in Induction Motors:

Induction motors are typically designed to operate at a constant speed determined by the frequency of the AC power supply and the number of motor poles. However, there are several methods for controlling the speed of induction motors:

  1. Varying the Frequency: By varying the frequency of the AC power supply, the speed of an induction motor can be adjusted. This method is known as variable frequency drive (VFD) control. VFDs convert the incoming AC power supply into a variable frequency and voltage output, allowing precise control of motor speed. This method is commonly used in industrial applications where speed control is crucial, such as conveyors, pumps, and fans.
  2. Changing the Number of Stator Poles: The speed of an induction motor is inversely proportional to the number of stator poles. By changing the connections of the stator windings or using a motor with a different pole configuration, the speed can be adjusted. However, this method is less commonly used and is typically employed in specialized applications.
  3. Adding External Resistance: In some cases, external resistance can be added to the rotor circuit of an induction motor to control its speed. This method, known as rotor resistance control, involves inserting resistors in series with the rotor windings. By varying the resistance, the rotor current and torque can be adjusted, resulting in speed control. However, this method is less efficient and is mainly used in specific applications where precise control is not required.

Speed Control in Synchronous Motors:

Synchronous motors offer more precise speed control compared to induction motors due to their inherent synchronous operation. The following methods are commonly used for speed control in synchronous motors:

  1. Adjusting the AC Power Frequency: Similar to induction motors, changing the frequency of the AC power supply can control the speed of synchronous motors. By adjusting the power frequency, the synchronous speed of the motor can be altered. This method is often used in applications where precise speed control is required, such as industrial machinery and processes.
  2. Using a Variable Frequency Drive: Variable frequency drives (VFDs) can also be used to control the speed of synchronous motors. By converting the incoming AC power supply into a variable frequency and voltage output, VFDs can adjust the motor speed with high accuracy and efficiency.
  3. DC Field Control: In some synchronous motors, the rotor field is supplied by a direct current (DC) source, allowing for precise control over the motor’s speed. By adjusting the DC field current, the magnetic field strength and speed of the motor can be controlled. This method is commonly used in applications that require fine-tuned speed control, such as industrial processes and high-performance machinery.

These methods provide different ways to control the speed of AC motors, allowing for flexibility and adaptability in various applications. The choice of speed control mechanism depends on factors such as the motor type, desired speed range, accuracy requirements, efficiency considerations, and cost constraints.

China wholesaler CHINAMFG CHINAMFG Step CHINAMFG Linear Actuator CHINAMFG CHINAMFG Fanuc CHINAMFG Sgm7j-04afc6e SGD7s-2r8a00A002 Electric DC or AC Hybrid Servo Motor   vacuum pump oil	China wholesaler CHINAMFG CHINAMFG Step CHINAMFG Linear Actuator CHINAMFG CHINAMFG Fanuc CHINAMFG Sgm7j-04afc6e SGD7s-2r8a00A002 Electric DC or AC Hybrid Servo Motor   vacuum pump oil
editor by CX 2023-11-18