Product Description
Product Description
KND brand was founded in ZheJiang in 1993, mainly engaged in CNC system and industrial automation product research and development, production, sales and service. After nearly 30 years of development, KND has a series of products in 6 categories, including CNC system, robot controller, pan-automation controller, feed drive and motor, spindle drive and motor, and industrial Internet, which meet the application needs of CNC lathes, CNC milling machines, machining centers, grinding machines and other tool and equipment industries and industrial robots, truss robots, workshop networking, data acquisition and analysis, etc., providing a sufficient range of choices for different users.
>·Model Selection
Our professional sales representive and technical team will choose the right model and transmission solutions for your usage depend on your specific parameters.
>·Drawing Request
If you need more product parameters, catalogues, CAD or 3D drawings, please contact us.
>·On Your Need
We can modify standard products or customize them to meet your specific needs.
- Motor Features
- Five pairs of poles, smaller volume (80% of the volume of the original 4 pairs of poles ST series motor)
- Equipped with high resolution encoder (23-bit absolute encoder)
- Maximum torque 300%, stronger overload capacity
- The protection level is increased to IP67
- The vibration level is raised to A level
- Motor heating is reduced by 20%
- 380V motor, rated speed improved
Model Explanation
Wiring
Parameters of Motor Equipped with Power-off Brake
| Frame NO. | Rated torque | Rated voltage | Rated current | Rated power | Increased weight |
| 80 Series | 3.3 Nm | DC24V | 0.48A±10% | 11.5W | 0.8Kg |
Specification & Dimension
Fig.KA80 series servo motors’ mounting dimensions(unit:mm)
| Model | KA80 | KA80 | |
| M57130 | M5710 | ||
| Rated power (kW) | 0.75 | 1.0 | |
| Rated torque (N.m) | 2.5 | 3.5 | |
| Maximum instantaneous torque (N.m) | 7.5 | 10.5 | |
| Rated speed (rpm) | 3000 | 3000 | |
| Maximum speed (rpm) | 6000 | 6000 | |
| Rated current (A) | 4.8 | 6.0 | |
| Maximum instantaneous current (A) | 14.4 | 18.0 | |
| Rotor inertia (kg*cm^2) | 1.88 | 2.44 | |
| Weight(Kg)(Without brake) | 2.8 | 3.3 | |
| Pole pairs | 5 | ||
| Adapted driver work voltage (VAC) | 220 | ||
| Insulation class | F | ||
| Protection level | IP67 | ||
| Installation type | Flange mounting | ||
| Environment | Temperature | -15~40ºC (no freezing) ,Storage temperature: -15~70ºC (no freezing) | |
| Humidity | 80%RH below (no condensation) ,Storage humidity: 90%RH below (no condensation) | ||
| Air | Indoor (no direct sunlight), no corrosive and flammable gas, no oil mist and dust | ||
| Vibration | Vibration speed below 0.5mm/s | ||
| LL | Without brake | 139 | 154 |
| With brake | 179 | 194 | |
*Note: We can manufacture products according to customer’s requirements.
Motor characteristic curve
A:Continuous work area;B:Short-term work area
Company Profile
ZheJiang KND Automation Technology CO.,Ltd
ABOUT US
ZheJiang KND CNC Technique Co.LTD(KND) was established in 1993.It is a joint-stock private enterprise that is the earliest 1 focusing on the research,production,sales and service of CNC system in China.It has the qualification of national high-tech enterprise,and it is 1 of the largest CNC system brand in China.
KND has the core technology of self-research and possesses independent intellectual property rights. After 30 years’ development, it has a number of series products: CNC system, robot controller, automation controller, feed driver and motor, spindle driver and motor, industrial Internet.These products can meet the application requirements of CNC lathes, CNC milling machines, machining centers,grinding machines and other industrial equipments.It can also be used in industrial robots, truss robots, workshop networking,data collection and analysis,and other automation fields.So,KND provided a full range of choices for different kinds of clients.
DEVELOPMENT HISTORY
PRODUCT DISTRIBUTION
MOTOR OVERVIEW
K series synchronous servo motor is a high-performance five-pole motor developed by KND;its power ranges from 0.2kW to 7.5kW and its frame includes 60, 80, 90, 110,130, 180 series. The kind of products have the characteristics of small size, high power, high speed, better encoder configuration, and strong overload capacity.If it is used with the SD510 series driver of KND, it can make the position control come true quickly and accurately.This combination can be applied in a variety of occasions which have a higher requirements for precision control.
ZJY (-K) series AC spindle servo motor used for CNC machine tools has the characteristics of compact structure,long service life,small moment of inertia and higher control accuracy. Combined with ZD210 series of new spindle servo driver, can make its performance get better display.It can be widely used in various CNC machine tools and it can also be the spindle,feed and other parts of the CNC mechanical products.
ZJY (-K) series spindle servo motor’s parameters showed below, rated power: range from 3.7kW to 37kW, rated voltage: 380V, rated frequency: 25, 33.3, 50, 66.67, 83.33Hz, rated speed: 750, 1000, 1500,2000, 2500r/ min.The maximum speed can reach 12000r/ min. The working system of the motor is S1, the protection level is IP54, and the insulation level is F. There are thermal element in the interior of motors., this kind of moter lose heat by a independent fan.You can choose a motor with a photoelectric encoder or a rotary transformer,that depends on your needs.
EXHIBITIONS
CERTIFICATE PATENT DISPLAY
FAQ
Payments
1) We can accept EXW, FOB
2) Payment must be made before shipment.
3) Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility.
Shipping
1) We only ship to your confirmed address. Please make sure your shipping address is correct before purchase.
2) Most orders will be shipped out within 3-7 working days CHINAMFG payment confirmation.
3) Shipping normally takes 7-25 working days. Most of the items will delivery in 2 weeks, while there will be a delay for something we cannot control (such as the bad weather). If it happens, just contact us, we will help you check and resolve any problem.
4) Please check the package CHINAMFG receipt, if there are some damages, please contact us immediately.
Feedback & Refund
1) Feedback is important to us, if you have any problem with our products, please contact us, our technician will give you useful advises.
2) When you have the parcel and not satisfied with the goods or it is other problem, please tell us immediately, and provide us a photo showing the detail.
3) Any reason requiring for all refund. Items must be in original condition and no physical damage. Buyer responsible for all shipping cost.
If you need more information, please contact with us. We will attach great importance to your any problems.Hope we could establish a long-term effective cooperation.
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| Application: | Universal, Industrial |
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| Operating Speed: | Constant Speed |
| Operation Mode: | Electric Motor |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What factors should be considered when selecting an AC motor for a particular application?
When selecting an AC motor for a particular application, several factors need to be considered to ensure the motor meets the requirements and performs optimally. Here are the key factors to consider:
- Power Requirements: Determine the power requirements of the application, including the required torque and speed. The motor should have adequate power output to meet the demands of the specific task. Consider factors such as starting torque, running torque, and speed range to ensure the motor can handle the load effectively.
- Motor Type: There are different types of AC motors, including induction motors, synchronous motors, and brushless DC motors. Each type has its own characteristics and advantages. Consider the application’s requirements and factors such as speed control, efficiency, and starting torque to determine the most suitable motor type.
- Environmental Conditions: Assess the environmental conditions in which the motor will operate. Factors such as temperature, humidity, dust, and vibration levels can impact motor performance and longevity. Choose a motor that is designed to withstand the specific environmental conditions of the application.
- Size and Space Constraints: Consider the available space for motor installation. Ensure that the physical dimensions of the motor, including its length, diameter, and mounting arrangement, are compatible with the available space. Additionally, consider the weight of the motor if it needs to be mounted or transported.
- Efficiency: Energy efficiency is an important consideration, as it can impact operational costs and environmental sustainability. Look for motors with high efficiency ratings, which indicate that they convert electrical energy into mechanical energy with minimal energy loss. Energy-efficient motors can lead to cost savings and reduced environmental impact over the motor’s lifespan.
- Control and Speed Requirements: Determine if the application requires precise speed control or if a fixed speed motor is sufficient. If variable speed control is needed, consider motors that can be easily controlled using variable frequency drives (VFDs) or other speed control mechanisms. For applications that require high-speed operation, select a motor that can achieve the desired speed range.
- Maintenance and Serviceability: Assess the maintenance requirements and serviceability of the motor. Consider factors such as the accessibility of motor components, ease of maintenance, availability of spare parts, and the manufacturer’s reputation for reliability and customer support. A motor that is easy to maintain and service can help minimize downtime and repair costs.
- Budget: Consider the budget constraints for the motor selection. Balance the desired features and performance with the available budget. In some cases, investing in a higher quality, more efficient motor upfront can lead to long-term cost savings due to reduced energy consumption and maintenance requirements.
By carefully considering these factors, it is possible to select an AC motor that aligns with the specific requirements of the application, ensuring optimal performance, efficiency, and reliability.
Are there energy-saving technologies or features available in modern AC motors?
Yes, modern AC motors often incorporate various energy-saving technologies and features designed to improve their efficiency and reduce power consumption. These advancements aim to minimize energy losses and optimize motor performance. Here are some energy-saving technologies and features commonly found in modern AC motors:
- High-Efficiency Designs: Modern AC motors are often designed with higher efficiency standards compared to older models. These motors are built using advanced materials and optimized designs to reduce energy losses, such as resistive losses in motor windings and mechanical losses due to friction and drag. High-efficiency motors can achieve energy savings by converting a higher percentage of electrical input power into useful mechanical work.
- Premium Efficiency Standards: International standards and regulations, such as the NEMA Premium® and IE (International Efficiency) classifications, define minimum energy efficiency requirements for AC motors. Premium efficiency motors meet or exceed these standards, offering improved efficiency compared to standard motors. These motors often incorporate design enhancements, such as improved core materials, reduced winding resistance, and optimized ventilation systems, to achieve higher efficiency levels.
- Variable Frequency Drives (VFDs): VFDs, also known as adjustable speed drives or inverters, are control devices that allow AC motors to operate at variable speeds by adjusting the frequency and voltage of the electrical power supplied to the motor. By matching the motor speed to the load requirements, VFDs can significantly reduce energy consumption. VFDs are particularly effective in applications where the motor operates at a partial load for extended periods, such as HVAC systems, pumps, and fans.
- Efficient Motor Control Algorithms: Modern motor control algorithms, implemented in motor drives or control systems, optimize motor operation for improved energy efficiency. These algorithms dynamically adjust motor parameters, such as voltage, frequency, and current, based on load conditions, thereby minimizing energy wastage. Advanced control techniques, such as sensorless vector control or field-oriented control, enhance motor performance and efficiency by precisely regulating the motor’s magnetic field.
- Improved Cooling and Ventilation: Effective cooling and ventilation are crucial for maintaining motor efficiency. Modern AC motors often feature enhanced cooling systems, including improved fan designs, better airflow management, and optimized ventilation paths. Efficient cooling helps prevent motor overheating and reduces losses due to heat dissipation. Some motors also incorporate thermal monitoring and protection mechanisms to avoid excessive temperatures and ensure optimal operating conditions.
- Bearings and Friction Reduction: Friction losses in bearings and mechanical components can consume significant amounts of energy in AC motors. Modern motors employ advanced bearing technologies, such as sealed or lubrication-free bearings, to reduce friction and minimize energy losses. Additionally, optimized rotor and stator designs, along with improved manufacturing techniques, help reduce mechanical losses and enhance motor efficiency.
- Power Factor Correction: Power factor is a measure of how effectively electrical power is being utilized. AC motors with poor power factor can contribute to increased reactive power consumption and lower overall power system efficiency. Power factor correction techniques, such as capacitor banks or power factor correction controllers, are often employed to improve power factor and minimize reactive power losses, resulting in more efficient motor operation.
By incorporating these energy-saving technologies and features, modern AC motors can achieve significant improvements in energy efficiency, leading to reduced power consumption and lower operating costs. When considering the use of AC motors, it is advisable to select models that meet or exceed recognized efficiency standards and consult manufacturers or experts to ensure the motor’s compatibility with specific applications and energy-saving requirements.
What is an AC motor, and how does it differ from a DC motor?
An AC motor, also known as an alternating current motor, is a type of electric motor that operates on alternating current. It converts electrical energy into mechanical energy through the interaction of magnetic fields. AC motors are widely used in various applications, ranging from household appliances to industrial machinery. Here’s a detailed explanation of what an AC motor is and how it differs from a DC motor:
AC Motor:
An AC motor consists of two main components: the stator and the rotor. The stator is the stationary part of the motor and contains the stator windings. These windings are typically made of copper wire and are arranged in specific configurations to create a rotating magnetic field when energized by an alternating current. The rotor, on the other hand, is the rotating part of the motor and is typically made of laminated steel cores with conducting bars or coils. The rotor windings are connected to a shaft, and their interaction with the rotating magnetic field produced by the stator causes the rotor to rotate.
The operation of an AC motor is based on the principles of electromagnetic induction. When the stator windings are energized with an AC power supply, the changing magnetic field induces a voltage in the rotor windings, which in turn creates a magnetic field. The interaction between the rotating magnetic field of the stator and the magnetic field of the rotor produces a torque, causing the rotor to rotate. The speed of rotation depends on the frequency of the AC power supply and the number of poles in the motor.
DC Motor:
A DC motor, also known as a direct current motor, operates on direct current. Unlike an AC motor, which relies on the interaction of magnetic fields to generate torque, a DC motor uses the principle of commutation to produce rotational motion. A DC motor consists of a stator and a rotor, similar to an AC motor. The stator contains the stator windings, while the rotor consists of a rotating armature with coils or permanent magnets.
In a DC motor, when a direct current is applied to the stator windings, a magnetic field is created. The rotor, either through the use of brushes and a commutator or electronic commutation, aligns itself with the magnetic field and begins to rotate. The direction of the current in the rotor windings is continuously reversed to ensure continuous rotation. The speed of a DC motor can be controlled by adjusting the voltage applied to the motor or by using electronic speed control methods.
Differences:
The main differences between AC motors and DC motors are as follows:
- Power Source: AC motors operate on alternating current, which is the standard power supply in most residential and commercial buildings. DC motors, on the other hand, require direct current and typically require a power supply that converts AC to DC.
- Construction: AC motors and DC motors have similar construction with stators and rotors, but the design and arrangement of the windings differ. AC motors generally have three-phase windings, while DC motors can have either armature windings or permanent magnets.
- Speed Control: AC motors typically operate at fixed speeds determined by the frequency of the power supply and the number of poles. DC motors, on the other hand, offer more flexibility in speed control and can be easily adjusted over a wide range of speeds.
- Efficiency: AC motors are generally more efficient than DC motors. AC motors can achieve higher power densities and are often more suitable for high-power applications. DC motors, however, offer better speed control and are commonly used in applications that require precise speed regulation.
- Applications: AC motors are widely used in applications such as industrial machinery, HVAC systems, pumps, and compressors. DC motors find applications in robotics, electric vehicles, computer disk drives, and small appliances.
In conclusion, AC motors and DC motors differ in their power source, construction, speed control, efficiency, and applications. AC motors rely on the interaction of magnetic fields and operate on alternating current, while DC motors use commutation and operate on direct current. Each type of motor has its advantages and is suited for different applications based on factors such as power requirements, speed control needs, and efficiency considerations.
editor by CX 2024-04-03