Product Description
HMEJ (DC) Series Self-braking Electric Motor
HMEJ (DC) Series Self-braking Electric Motor which is totally enclosed squirrel cage with additional DC brake of disk type. It has advantage of fast brake, simple structure, high reliability and good versatility. In additional, the brake has manual work releasing structure which is widely used in mechanical equipment and transmissions devices for various requirements of rapid stop and accurate positioning.
Features and Benefits: |
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Pre-sale service.
1st.Let’s be honest with each other and make clear the situation of each customer first, then we can give best advice, because we’re over 30 years experience in electric motor .
2nd. I will give the details to each customer for reference, including the dimension,
performance, quality and price level.
In-sale service.
1st . We will tracking the production progress and quality, check the exact model and quantity 1 by 1 before delivering.
2nd. Lowest sea freight cost and best service. We’re cooperating with our forwarders over 8 years, so we can get best price and service for our each customer.
After-sale service.
1st. Tracking the shipment and inform the customer before the Arrival Date.
2nd. Check the goods together with our customers and tracking the quality during the use condition
3rd. We will charge all questions if you buy from me
Q1. Do you accept OEM order?
Yes, OEM Brand aluminum electric motor asynchronous induction motor are acceptable.
Q2. What’s your payment terms?
We accept T/T(30% down payment and 70% paid before delivery), Pay pal, Western union, and Money Gram.
Q3. What’s the minimum order quantity? How long is the delivery time?
Both MOQ and delivery time need to refer to the specific products. Usuall we deliver the motors in 10-45 days, please
contact our sales for details.
Q4. What’s the way of transportation?
Express, air and CHINAMFG shipments are all available.
Q5. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
B. With more than 25 years experience in this filed, we have the ability to provide good service and products in low cost
C. Adequate inventory to make sure that our clients can obtain goods in a short period.
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| Application: | Universal, Industrial, Household Appliances |
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| Operating Speed: | Adjust Speed |
| Function: | Control |
| Casing Protection: | Protection Type |
| Number of Poles: | 2.4.6.8 |
| Type: | Y2ej |
| Samples: |
US$ 49.5/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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How do brake motors ensure smooth and controlled movement in equipment?
Brake motors play a crucial role in ensuring smooth and controlled movement in equipment by providing reliable braking functionality. They work in coordination with the motor and other control systems to achieve precise control over the motion of the equipment. Here’s a detailed explanation of how brake motors ensure smooth and controlled movement in equipment:
- Braking Capability: Brake motors are specifically designed to provide effective braking capability. When the power to the motor is cut off or when a braking signal is applied, the brake system engages, generating frictional forces that slow down and bring the equipment to a controlled stop. The brake torque generated by the motor helps prevent coasting or unintended movement, ensuring smooth and controlled deceleration.
- Quick Response Time: Brake motors are engineered to have a quick response time, meaning that the brake engages rapidly once the control signal is applied. This quick response time allows for prompt and precise control over the movement of the equipment. By minimizing the delay between the initiation of the braking action and the actual engagement of the brake, brake motors contribute to smooth and controlled movement.
- Adjustable Brake Torque: Brake motors often offer the ability to adjust the brake torque to suit the specific requirements of the equipment and application. The brake torque can be tailored to the load characteristics and operating conditions to achieve optimal braking performance. By adjusting the brake torque, brake motors ensure that the equipment decelerates smoothly and consistently, avoiding abrupt stops or jerky movements.
- Brake Release Mechanisms: In addition to providing braking action, brake motors incorporate mechanisms to release the brake when the equipment needs to resume motion. These release mechanisms can be controlled manually or automatically, depending on the application. The controlled release of the brake ensures that the equipment starts moving smoothly and gradually, allowing for controlled acceleration.
- Integration with Control Systems: Brake motors are integrated into the overall control systems of the equipment to achieve coordinated and synchronized movement. They work in conjunction with motor control devices, such as variable frequency drives (VFDs) or servo systems, to precisely control the speed, acceleration, and deceleration of the equipment. By seamlessly integrating with the control systems, brake motors contribute to the smooth and controlled movement of the equipment.
- Compliance with Safety Standards: Brake motors are designed and manufactured in compliance with safety standards and regulations. They undergo rigorous testing and quality control measures to ensure reliable and consistent braking performance. By adhering to safety standards, brake motors help prevent sudden or uncontrolled movements that could pose a safety risk and ensure the equipment operates within acceptable limits.
By providing effective braking capability, quick response time, adjustable brake torque, release mechanisms, integration with control systems, and compliance with safety standards, brake motors ensure smooth and controlled movement in equipment. They enable precise control over the deceleration, stopping, and starting of the equipment, enhancing operational efficiency, safety, and overall performance.
What factors should be considered when selecting the right brake motor for a task?
When selecting the right brake motor for a task, several factors should be carefully considered to ensure optimal performance and compatibility with the specific application requirements. These factors help determine the suitability of the brake motor for the intended task and play a crucial role in achieving efficient and reliable operation. Here’s a detailed explanation of the key factors that should be considered when selecting a brake motor:
1. Load Characteristics: The characteristics of the load being driven by the brake motor are essential considerations. Factors such as load size, weight, and inertia influence the torque, power, and braking requirements of the motor. It is crucial to accurately assess the load characteristics to select a brake motor with the appropriate power rating, torque capacity, and braking capability to handle the specific load requirements effectively.
2. Stopping Requirements: The desired stopping performance of the brake motor is another critical factor to consider. Different applications may have specific stopping time, speed, or precision requirements. The brake motor should be selected based on its ability to meet these stopping requirements, such as adjustable braking torque, controlled response time, and stability during stopping. Understanding the desired stopping behavior is crucial for selecting a brake motor that can provide the necessary control and accuracy.
3. Environmental Conditions: The operating environment in which the brake motor will be installed plays a significant role in its selection. Factors such as temperature, humidity, dust, vibration, and corrosive substances can affect the performance and lifespan of the motor. It is essential to choose a brake motor that is designed to withstand the specific environmental conditions of the application, ensuring reliable and durable operation over time.
4. Mounting and Space Constraints: The available space and mounting requirements should be considered when selecting a brake motor. The physical dimensions and mounting options of the motor should align with the space constraints and mounting configuration of the application. It is crucial to ensure that the brake motor can be properly installed and integrated into the existing machinery or system without compromising the performance or safety of the overall setup.
5. Power Supply: The availability and characteristics of the power supply should be taken into account. The voltage, frequency, and power quality of the electrical supply should match the specifications of the brake motor. It is important to consider factors such as single-phase or three-phase power supply, voltage fluctuations, and compatibility with other electrical components to ensure proper operation and avoid electrical issues or motor damage.
6. Brake Type and Design: Different brake types, such as electromagnetic brakes or spring-loaded brakes, offer specific advantages and considerations. The choice of brake type should align with the requirements of the application, taking into account factors such as braking torque, response time, and reliability. The design features of the brake, such as braking surface area, cooling methods, and wear indicators, should also be evaluated to ensure efficient and long-lasting braking performance.
7. Regulatory and Safety Standards: Compliance with applicable regulatory and safety standards is crucial when selecting a brake motor. Depending on the industry and application, specific standards and certifications may be required. It is essential to choose a brake motor that meets the necessary standards and safety requirements to ensure the protection of personnel, equipment, and compliance with legal obligations.
8. Cost and Lifecycle Considerations: Finally, the cost-effectiveness and lifecycle considerations should be evaluated. This includes factors such as initial investment, maintenance requirements, expected lifespan, and availability of spare parts. It is important to strike a balance between upfront costs and long-term reliability, selecting a brake motor that offers a favorable cost-to-performance ratio and aligns with the expected lifecycle and maintenance budget.
Considering these factors when selecting a brake motor helps ensure that the chosen motor is well-suited for the intended task, provides reliable and efficient operation, and meets the specific requirements of the application. Proper evaluation and assessment of these factors contribute to the overall success and performance of the brake motor in its designated task.
What is a brake motor and how does it operate?
A brake motor is a type of electric motor that incorporates a mechanical braking system. It is designed to provide both motor power and braking functionality in a single unit. The brake motor is commonly used in applications where rapid and precise stopping or holding of loads is required. Here’s a detailed explanation of what a brake motor is and how it operates:
A brake motor consists of two main components: the electric motor itself and a braking mechanism. The electric motor converts electrical energy into mechanical energy to drive a load. The braking mechanism, usually located at the non-drive end of the motor, provides the necessary braking force to stop or hold the load when the motor is turned off or power is cut off.
The braking mechanism in a brake motor typically employs one of the following types of brakes:
- Electromagnetic Brake: An electromagnetic brake is the most common type used in brake motors. It consists of an electromagnetic coil and a brake shoe or armature. When the motor is powered, the electromagnetic coil is energized, creating a magnetic field that attracts the brake shoe or armature. This releases the brake and allows the motor to rotate and drive the load. When the power is cut off or the motor is turned off, the electromagnetic coil is de-energized, and the brake shoe or armature is pressed against a stationary surface, creating friction and stopping the motor’s rotation.
- Mechanical Brake: Some brake motors use mechanical brakes, such as disc brakes or drum brakes. These brakes employ friction surfaces, such as brake pads or brake shoes, which are pressed against a rotating disc or drum attached to the motor shaft. When the motor is powered, the brake is disengaged, allowing the motor to rotate. When the power is cut off or the motor is turned off, a mechanical mechanism, such as a spring or a cam, engages the brake, creating friction and stopping the motor’s rotation.
The operation of a brake motor involves the following steps:
- Motor Operation: When power is supplied to the brake motor, the electric motor converts electrical energy into mechanical energy, which is used to drive the load. The brake is disengaged, allowing the motor shaft to rotate freely.
- Stopping or Holding: When the power is cut off or the motor is turned off, the braking mechanism is engaged. In the case of an electromagnetic brake, the electromagnetic coil is de-energized, and the brake shoe or armature is pressed against a stationary surface, creating friction and stopping the motor’s rotation. In the case of a mechanical brake, a mechanical mechanism engages the brake pads or shoes against a rotating disc or drum, creating friction and stopping the motor’s rotation.
- Release and Restart: To restart the motor, power is supplied again, and the braking mechanism is disengaged. In the case of an electromagnetic brake, the electromagnetic coil is energized, releasing the brake shoe or armature. In the case of a mechanical brake, the mechanical mechanism disengages the brake pads or shoes from the rotating disc or drum.
Brake motors are commonly used in applications that require precise stopping or holding of loads, such as cranes, hoists, conveyors, machine tools, and elevators. The incorporation of a braking system within the motor eliminates the need for external braking devices or additional components, simplifying the design and installation process. Brake motors enhance safety, efficiency, and control in industrial applications by providing reliable and rapid braking capabilities.
editor by CX 2024-03-28