China manufacturer Nem34 Closed Loop Easy Step Servo Motor with Encoder 5nm 8.5nm 12nm CNC Motor with Driver vacuum pump booster

Product Description

China suppliers 12.5Nm with the encoder nema34 close loop stepper motor and driver kit for cnc machine

 

 

Note: the motor with magnetic ,so magnetic inspection fee will be incurred during transportation. Please contact shop assistant to supplement it.large quantities can dispense with it

 

 

 

 

 

 

 

Related stepper driver

 

Brief Introduction:
ZDM-2HA865 is a new generation DSP digital step closed – loop driver
Using advanced vector closed loop control technology, the traditional open loop stepper motor is completely overcome
The problem of step loss, and significantly improve the high-speed performance of stepper motor,reduce the motor

The heating degree and reduce the vibration of the motor, further improve the working speed of the equipment
Degree and precision, reduce equipment energy consumption. In addition, when the motor is continuously overloaded,
The driver will output an alarm signal with the same reliability as the ac servo system.
Suitable motor mounting dimensions with traditional (57/60) and 86 series stepper motors
Fully compatible, traditional open loop stepper drive scheme can achieve seamless upgrades, and Compared with the traditional ac servo system, the cost is very high.

 

Technical characteristics
1.New DSP chip for 32-bit motor control;
2.Advanced vector closed loop control technology;
3.LED digital tube display button operation is intuitive and easy to operate;
4.Static current and dynamic current can be set arbitrarily (0–7.2A range);
5.Adaptive drive (57/60) and 86 series hybrid closed loop stepper motors;
6.Input/output of photoelectric isolation signal;
7.Pulse response frequency up to 200KHz;
8.16 general subdivision options with a maximum of 256 subdivisions(51200 pulses/rotations);
9.provide electronic gear matching to various pulse sources (any subdivided value);
10.protection of over-current, over-heat, over-voltage and tracking error;

 

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Application: Nc Machine Tool
Speed: Low Speed
Number of Stator: Two-Phase
Samples:
US$ 80/Piece
1 Piece(Min.Order)

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Customization:
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Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

servo motor

How does the cost of servo motors vary based on their specifications and features?

The cost of servo motors can vary significantly based on their specifications and features. Several factors influence the price of servo motors, and understanding these factors can help in selecting the most cost-effective option for a specific application. Let’s explore in detail how the cost of servo motors can vary:

1. Power Rating:

One of the primary factors affecting the cost of a servo motor is its power rating, which is typically measured in watts or kilowatts. Higher power-rated servo motors generally cost more than lower-rated ones due to the increased materials and manufacturing required to handle higher power levels. The power rating of a servo motor is determined by the torque and speed requirements of the application. Higher torque and speed capabilities often correspond to higher costs.

2. Torque and Speed:

The torque and speed capabilities of a servo motor directly impact its cost. Servo motors designed for high torque and high-speed applications tend to be more expensive due to the need for robust construction, specialized materials, and advanced control electronics. Motors with higher torque and speed ratings often require more powerful magnets, larger windings, and higher precision components, contributing to the increase in cost.

3. Frame Size:

The physical size or frame size of a servo motor also plays a role in determining its cost. Servo motors come in various frame sizes, such as NEMA (National Electrical Manufacturers Association) standard sizes in North America. Larger frame sizes generally command higher prices due to the increased materials and manufacturing complexity required to build larger motors. Smaller frame sizes, on the other hand, may be more cost-effective but may have limitations in terms of torque and speed capabilities.

4. Feedback Mechanism:

The feedback mechanism used in a servo motor affects its cost. Servo motors typically employ encoders or resolvers to provide feedback on the rotor position. Higher-resolution encoders or more advanced feedback technologies can increase the cost of the motor. For example, servo motors with absolute encoders, which provide position information even after power loss, tend to be more expensive than those with incremental encoders.

5. Control Features and Technology:

The control features and technology incorporated into a servo motor can influence its cost. Advanced servo motors may offer features such as built-in controllers, fieldbus communication interfaces, advanced motion control algorithms, or integrated safety functions. These additional features contribute to the cost of the motor but can provide added value and convenience in certain applications. Standard servo motors with basic control functionality may be more cost-effective for simpler applications.

6. Brand and Reputation:

The brand and reputation of the servo motor manufacturer can impact its cost. Established and reputable brands often command higher prices due to factors such as quality assurance, reliability, technical support, and extensive product warranties. While motors from less-known or generic brands may be more affordable, they may not offer the same level of performance, reliability, or long-term support.

7. Customization and Application-Specific Requirements:

If a servo motor needs to meet specific customization or application-specific requirements, such as specialized mounting options, environmental sealing, or compliance with industry standards, the cost may increase. Customization often involves additional engineering, design, and manufacturing efforts, which can lead to higher prices compared to off-the-shelf servo motors.

It’s important to note that the cost of a servo motor is not the sole indicator of its quality or suitability for a particular application. It is essential to carefully evaluate the motor’s specifications, features, and performance characteristics in relation to the application requirements to make an informed decision.

In summary, the cost of servo motors varies based on factors such as power rating, torque and speed capabilities, frame size, feedback mechanism, control features and technology, brand reputation, and customization requirements. By considering these factors and comparing different options, it is possible to select a servo motor that strikes the right balance between performance and cost-effectiveness for a specific application.

servo motor

Are there different types of servo motors, and how do they differ?

Yes, there are different types of servo motors available, each with its own characteristics and applications. The variations among servo motors can be attributed to factors such as construction, control mechanisms, power requirements, and performance specifications. Let’s explore some of the common types of servo motors and how they differ:

1. DC Servo Motors:

DC servo motors are widely used in various applications. They consist of a DC motor combined with a feedback control system. The control system typically includes a position or velocity feedback sensor, such as an encoder or a resolver. DC servo motors offer good speed and torque control and are often employed in robotics, automation, and hobbyist projects. They can be operated with a separate motor driver or integrated into servo motor units with built-in control electronics.

2. AC Servo Motors:

AC servo motors are designed for high-performance applications that require precise control and fast response times. They are typically three-phase motors and are driven by sinusoidal AC waveforms. AC servo motors often incorporate advanced control algorithms and feedback systems to achieve accurate position, velocity, and torque control. These motors are commonly used in industrial automation, CNC machines, robotics, and other applications that demand high precision and dynamic performance.

3. Brushed Servo Motors:

Brushed servo motors feature a traditional brushed DC motor design. They consist of a rotor with a commutator and carbon brushes that make physical contact with the commutator. The brushes provide electrical connections, allowing the motor’s magnetic field to interact with the rotor’s windings. Brushed servo motors are known for their simplicity and cost-effectiveness. However, they may require more maintenance due to brush wear, and they generally have lower efficiency and shorter lifespan compared to brushless servo motors.

4. Brushless Servo Motors:

Brushless servo motors, also known as brushless DC (BLDC) motors, offer several advantages over brushed motors. They eliminate the need for brushes and commutators, resulting in improved reliability, higher efficiency, and longer lifespan. Brushless servo motors rely on electronic commutation, typically using Hall effect sensors or encoder feedback for accurate rotor position detection. These motors are widely used in robotics, industrial automation, aerospace, and other applications that require high-performance motion control with minimal maintenance.

5. Linear Servo Motors:

Linear servo motors are designed to provide linear motion instead of rotational motion. They consist of a primary part (stator) and a secondary part (slider or forcer) that interact magnetically to generate linear motion. Linear servo motors offer advantages such as high speed, high acceleration, and precise positioning along a linear axis. They find applications in various industries, including semiconductor manufacturing, packaging, printing, and machine tools.

6. Micro Servo Motors:

Micro servo motors are small-sized servo motors often used in applications with limited space and low power requirements. They are commonly found in hobbyist projects, model airplanes, remote-controlled vehicles, and small robotic systems. Micro servo motors are lightweight, compact, and offer reasonable precision and control for their size.

These are some of the different types of servo motors available, each catering to specific applications and requirements. The choice of servo motor type depends on factors such as the desired performance, accuracy, power requirements, environmental conditions, and cost considerations. Understanding the differences between servo motor types is essential for selecting the most suitable motor for a particular application.

servo motor

How does feedback control work in a servo motor system?

In a servo motor system, feedback control plays a crucial role in achieving precise control over the motor’s position, speed, and acceleration. The feedback control loop consists of several components that work together to continuously monitor and adjust the motor’s behavior based on the desired and actual position information. Here’s an overview of how feedback control works in a servo motor system:

1. Position Reference:

The servo motor system starts with a position reference or a desired position. This can be specified by a user or a control system, depending on the application requirements. The position reference represents the target position that the servo motor needs to reach and maintain.

2. Feedback Sensor:

A feedback sensor, such as an encoder or resolver, is attached to the servo motor’s shaft. The purpose of the feedback sensor is to continuously measure the motor’s actual position and provide feedback to the control system. The sensor generates signals that indicate the motor’s current position, allowing the control system to compare it with the desired position.

3. Control System:

The control system receives the position reference and the feedback signals from the sensor. It processes this information to determine the motor’s current position error, which is the difference between the desired position and the actual position. The control system calculates the required adjustments to minimize this position error and bring the motor closer to the desired position.

4. Controller:

The controller is a key component of the feedback control loop. It receives the position error from the control system and generates control signals that govern the motor’s behavior. The controller adjusts the motor’s inputs, such as voltage or current, based on the position error and control algorithm. The control algorithm can be implemented using various techniques, such as proportional-integral-derivative (PID) control, which adjusts the motor’s inputs based on the current error, the integral of past errors, and the rate of change of errors.

5. Motor Drive:

The control signals generated by the controller are sent to the motor drive unit, which amplifies and converts these signals into appropriate voltage or current levels. The motor drive unit provides the necessary power and control signals to the servo motor to initiate the desired motion. The drive unit adjusts the motor’s inputs based on the control signals to achieve the desired position, speed, and acceleration specified by the control system.

6. Motor Response:

As the motor receives the adjusted inputs from the motor drive, it starts to rotate and move towards the desired position. The motor’s response is continually monitored by the feedback sensor, which measures the actual position in real-time.

7. Feedback Comparison:

The feedback sensor compares the actual position with the desired position. If there is any deviation, the sensor generates feedback signals reflecting the discrepancy between the desired and actual positions. These signals are fed back to the control system, allowing it to recalculate the position error and generate updated control signals to further adjust the motor’s behavior.

This feedback loop continues to operate in a continuous cycle, with the control system adjusting the motor’s inputs based on the feedback information. As a result, the servo motor can accurately track and maintain the desired position, compensating for any disturbances or variations that may occur during operation.

In summary, feedback control in a servo motor system involves continuously comparing the desired position with the actual position using a feedback sensor. The control system processes this position error and generates control signals, which are converted and amplified by the motor drive unit to drive the motor. The motor’s response is monitored by the feedback sensor, and any discrepancies are fed back to the control system, enabling it to make further adjustments. This closed-loop control mechanism ensures precise positioning and accurate control of the servo motor.

China manufacturer Nem34 Closed Loop Easy Step Servo Motor with Encoder 5nm 8.5nm 12nm CNC Motor with Driver   vacuum pump booster	China manufacturer Nem34 Closed Loop Easy Step Servo Motor with Encoder 5nm 8.5nm 12nm CNC Motor with Driver   vacuum pump booster
editor by CX 2024-04-16