Product Description

Our company
We are a manufacturer having specialized in linear actuator for some years. The company has passed QMS ISO901 AND Cert.CE/EMC+LVD.
We export to CHINAMFG and get feedbacks all time.

Notice
Please confirm the specific specifications when you place an order or sent the inquiry, Which has the following convenience:

1.In order to quote the details to you(freight and Exw price)

2.In order to recommend the right product for you, if this mode can’t meet your demands.

3.enhance efficiency

For example:specific specification include:voltage,load,speed and stroke.Thanks.

Primary Competitive Advantages:

1.Electronic Link 

2.Experienced Staff 

3.Competitive price

4.Product Features 

5.Product Performance 

6.Quality Approvals 

7.Small Orders Accepted 

8.Outstanding customer service, 

9.timely delivery and integrity.

Heavy-duty linear actuator parameters

Input Voltage                              12V/24V/36V/48VDC

Load Capacity                             7000N

Speed                                            5~40mm/s

Stroke                                           100~600mm (Optional)

Min Installation Dimensio             A=250mm+S 

Limited Switch                               Built-in

Operation Temperature               -40~65°C

Protective Class                           IP65

Duty Cycle                                     25% S4-16min

Control Mode                                Wired, Wireless

Covering Color                              Black

Application                                       Industry

Optional Fittings                            Potentiometer and clutch

 

Product exhibition

HangZhou CHINAMFG welcome you!
We can customize the actuator for you.

 

Applications

Used in medical, furniture, sofas, machinery, chemicals, leisure and many other fields 
Especially for medical care beds, operating tables, traction beds, massage chairs, dental chairs, sofas and industrial electric equipment products

Service

Quick reply to the customer’s inquiry with 24hrs
Customized service available
timely delivery and integrity

 

 

Transportation
Worldwide Shipping by Air/Sea

Fast Delivery, Shipping direct from China to major destinations (Europe, US, Australia, etc.) typically takes only 5-to-10 days via DHL/TNT/UPS/FedEx/EMS, Or container by Sea 

Lienar actautor material and parts

 

Description                                           relevant   Linear actuator
Model No. HB-DJ801 HB-DJ802 HB-DJ806 HB-DJ807 HB-DJ808
Max Thrust 6000N 1600N 1200N 6000N 7000N
Standard Stroke 50-300(MM)
Max stroke:600mm
30-330(MM)
Max stroke:600mm
20-300(MM)
Max stroke:600mm
50-300(MM)
Max stroke:600mm
100-400(MM)
Max stroke:600mm
Min.Install Dimension 175+Stroke(MM) 160+Stroke(MM) 105+Stroke(MM) 175+Stroke(MM) 250+Stroke(MM)
Max Pull 6000N 1600N 1000N 6000N 7000N
Max Speed 30mm/s 32mm/s 60mm/s 25mm/s 40mm/s
Limit Switch Built-in Built-in Built-in Built-in inner
Duty Cycle 10% 10% 25% 10% 25%
Application Industry 
Furniture 
 
Furniture 
Industry 
Furniture 
Industry 
Furniture 
Industry 

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Application: Universal, Industrial, Household Appliances, Car, Power Tools, Agricultural Machinery
Operating Speed: High Speed
Function: Driving
Structure and Working Principle: Brush
Voltage: 12V/24V/36V/48VDC
Stroke: 50-600mm
Samples:
US$ 132/Piece
1 Piece(Min.Order)

|

Customization:
Available

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dc motor

What are the key differences between brushed and brushless DC motors?

Brushed and brushless DC motors are two distinct types of motors that differ in their construction, operation, and performance characteristics. Here’s a detailed explanation of the key differences between brushed and brushless DC motors:

1. Construction:

Brushed DC Motors: Brushed DC motors have a relatively simple construction. They consist of a rotor with armature windings and a commutator, and a stator with permanent magnets or electromagnets. The commutator and brushes make physical contact to provide electrical connections to the armature windings.

Brushless DC Motors: Brushless DC motors have a more complex construction. They typically consist of a stationary stator with permanent magnets or electromagnets and a rotor with multiple coils or windings. The rotor does not have a commutator or brushes.

2. Commutation:

Brushed DC Motors: In brushed DC motors, the commutator and brushes are responsible for the commutation process. The brushes make contact with different segments of the commutator, reversing the direction of the current through the armature windings as the rotor rotates. This switching of the current direction generates the necessary torque for motor rotation.

Brushless DC Motors: Brushless DC motors use electronic commutation instead of mechanical commutation. The commutation process is managed by an external electronic controller or driver. The controller determines the timing and sequence of energizing the stator windings based on the rotor position, allowing for precise control of motor operation.

3. Efficiency:

Brushed DC Motors: Brushed DC motors tend to have lower efficiency compared to brushless DC motors. This is primarily due to the energy losses associated with the brushes and commutation process. The friction and wear between the brushes and commutator result in additional power dissipation and reduce overall motor efficiency.

Brushless DC Motors: Brushless DC motors are known for their higher efficiency. Since they eliminate the use of brushes and commutators, there are fewer energy losses and lower frictional losses. The electronic commutation system allows for precise control of the motor’s operation, maximizing efficiency and reducing power consumption.

4. Maintenance:

Brushed DC Motors: Brushed DC motors require regular maintenance due to the wear and tear of the brushes and commutator. The brushes need periodic replacement, and the commutator requires cleaning to maintain proper electrical contact. The maintenance requirements contribute to additional costs and downtime for brushed DC motors.

Brushless DC Motors: Brushless DC motors have a relatively maintenance-free operation. As they do not have brushes or commutators, there is no need for brush replacement or commutator cleaning. This results in reduced maintenance costs and increased reliability of brushless DC motors.

5. Speed Control:

Brushed DC Motors: Brushed DC motors offer simpler speed control options. The speed can be controlled by adjusting the applied voltage or by varying the resistance in the armature circuit. This allows for relatively straightforward speed regulation.

Brushless DC Motors: Brushless DC motors provide more advanced and precise speed control capabilities. The speed can be controlled through the electronic commutation system by adjusting the timing and sequence of the stator windings’ energization. This allows for precise control of the motor’s speed and acceleration.

These key differences between brushed and brushless DC motors make each type suitable for different applications depending on factors such as efficiency requirements, maintenance considerations, and control complexity.

dc motor

What is the significance of back EMF (electromotive force) in DC motor performance?

The significance of back EMF (electromotive force) in DC motor performance is crucial to understanding the behavior and operation of DC motors. Back EMF is an inherent characteristic of DC motors and plays a pivotal role in their efficiency, speed regulation, and overall performance. Here’s a detailed explanation of the significance of back EMF in DC motor performance:

When a DC motor operates, it generates a voltage known as back EMF or counter electromotive force. This voltage opposes the applied voltage and is caused by the rotation of the motor’s armature within the magnetic field. The back EMF is directly proportional to the rotational speed of the motor.

The significance of back EMF can be understood through the following aspects:

1. Speed Regulation:

Back EMF is crucial for regulating the speed of a DC motor. As the motor rotates faster, the back EMF increases, which reduces the effective voltage across the motor’s armature. Consequently, the armature current decreases, limiting the motor’s speed. This self-regulating characteristic helps maintain a relatively constant speed under varying load conditions. It allows the motor to deliver the required torque while preventing excessive speed that can potentially damage the motor or the driven equipment.

2. Efficiency:

Back EMF plays a significant role in the efficiency of a DC motor. When the motor is loaded and drawing current, the power supplied to the motor is the product of the armature current and the applied voltage. However, the electrical power converted into mechanical power is reduced by the power consumed by the back EMF. The back EMF represents the energy returned to the power supply as the motor generates its own voltage. By reducing the effective voltage across the motor, it helps minimize power losses due to electrical resistance and improves the overall efficiency of the motor.

3. Motor Protection:

The presence of back EMF also provides a level of protection to the motor. When a DC motor is operating and the load on the motor suddenly decreases, such as when the driven equipment is disconnected, the motor’s speed can increase rapidly. This increase in speed leads to a higher back EMF, which reduces the armature current and prevents excessive current flow. By limiting the current, the back EMF helps protect the motor from overloading and potential damage.

4. Voltage Regulation:

Back EMF affects the voltage regulation in a DC motor. When the motor is operating, the back EMF opposes the applied voltage. As the motor load increases, the voltage drop across the armature resistance and other internal losses also increase. The back EMF helps compensate for these voltage drops, ensuring that the motor receives an adequate voltage to maintain its performance and torque output.

5. Control and Dynamic Response:

Back EMF provides valuable information for motor control and dynamic response. By measuring the back EMF voltage, the rotational speed of the motor can be estimated, allowing for precise speed control and feedback. This information is crucial for applications that require accurate speed regulation, such as robotics or industrial automation.

In summary, the significance of back EMF in DC motor performance cannot be overstated. It influences speed regulation, efficiency, motor protection, voltage regulation, and control capabilities. By understanding and utilizing the inherent characteristics of back EMF, engineers can design and optimize DC motor systems for various applications, ensuring reliable and efficient operation.

dc motor

What are the advantages and disadvantages of using DC motors in automotive applications?

DC (Direct Current) motors have been used in automotive applications for many years, although they have been largely replaced by other motor types such as AC (Alternating Current) motors and brushless DC motors in modern vehicles. However, there are still some advantages and disadvantages associated with using DC motors in automotive applications. Here’s a detailed explanation of the advantages and disadvantages:

Advantages of Using DC Motors in Automotive Applications:

1. Cost: DC motors tend to be less expensive compared to other motor types, such as AC motors or brushless DC motors. This cost advantage can make them an attractive option for certain automotive applications, especially in budget-conscious scenarios.

2. Simple Control: DC motors have a relatively simple control system. By adjusting the voltage applied to the motor, the speed and torque can be easily controlled. This simplicity of control can be advantageous in automotive applications where basic speed control is sufficient.

3. High Torque at Low Speeds: DC motors can provide high torque even at low speeds, making them suitable for applications that require high starting torque or precise low-speed control. This characteristic can be beneficial for automotive applications such as power windows, windshield wipers, or seat adjustments.

4. Compact Size: DC motors can be designed in compact sizes, making them suitable for automotive applications where space is limited. Their small form factor allows for easier integration into tight spaces within the vehicle.

Disadvantages of Using DC Motors in Automotive Applications:

1. Limited Efficiency: DC motors are typically less efficient compared to other motor types, such as AC motors or brushless DC motors. They can experience energy losses due to brush friction and electrical resistance, resulting in lower overall efficiency. Lower efficiency can lead to increased power consumption and reduced fuel economy in automotive applications.

2. Maintenance Requirements: DC motors that utilize brushes for commutation require regular maintenance. The brushes can wear out over time and may need to be replaced periodically, adding to the maintenance and operating costs. In contrast, brushless DC motors or AC motors do not have this maintenance requirement.

3. Limited Speed Range: DC motors have a limited speed range compared to other motor types. They may not be suitable for applications that require high-speed operation or a broad range of speed control. In automotive applications where high-speed performance is crucial, other motor types may be preferred.

4. Electromagnetic Interference (EMI): DC motors can generate electromagnetic interference, which can interfere with the operation of other electronic components in the vehicle. This interference may require additional measures, such as shielding or filtering, to mitigate its effects and ensure proper functioning of other vehicle systems.

5. Brush Wear and Noise: DC motors that use brushes can produce noise during operation, and the brushes themselves can wear out over time. This brush wear can result in increased noise levels and potentially impact the overall lifespan and performance of the motor.

While DC motors offer certain advantages in terms of cost, simplicity of control, and high torque at low speeds, they also come with disadvantages such as limited efficiency, maintenance requirements, and electromagnetic interference. These factors have led to the adoption of other motor types, such as brushless DC motors and AC motors, in many modern automotive applications. However, DC motors may still find use in specific automotive systems where their characteristics align with the requirements of the application.

China Good quality 12V DC Electric Linear Actuator High Power Motor for Indurstrial Machinery Linear Actuator (HB-DJ808)   vacuum pump ac system	China Good quality 12V DC Electric Linear Actuator High Power Motor for Indurstrial Machinery Linear Actuator (HB-DJ808)   vacuum pump ac system
editor by CX 2024-05-09