CNC Variable Frequency Drive

Description

As a power control device, CNC Variable Frequency Drive is mainly composed of rectifier (AC to DC), filter, frequency converter (DC to AC), braking unit, driving unit, detection unit and microprocessor unit. It uses frequency conversion and microelectronics technology to control the AC motor by changing the frequency of the motor working power supply, and thus adjusts the voltage and frequency of the output power supply, so as to achieve the purpose of energy saving and speed regulation. The inverter can be quickly integrated into CNC equipment to adjust servo motors, motion control and other programming required to create highly detailed components from raw materials.

Features

1. Convenient installation: The overall dimensions of this CNC Variable Frequency Drive usually meet DIN standards, and it can be directly installed on DIN guide rails without additional installation materials. It can also be connected through an interface, and an optional external keyboard is provided to realize a more intuitive and convenient human-computer interaction interface.

2. Efficient heat dissipation: the electronic components are arranged reasonably, and the shell adopts a porous heat dissipation structure with sufficient heat dissipation space, which makes the whole equipment run at a lower temperature and have a longer service life.

3. Adjustable speed design: the inverter can be equipped with external braking resistor and potentiometer, which supports fast acceleration and deceleration settings, making it more sensitive and efficient in the process of machining at different speeds.

4. Safety mechanism: The inverter also has many protection functions, such as overcurrent, overvoltage and overload protection, which can effectively guarantee the safe operation of the equipment. At the same time, it can automatically detect the state of the machine tool, find anomalies in time and send out corresponding alarm prompts.

Function

1. Frequency conversion energy saving

2. Application in automation system

3. Application in improving process level and product quality

4. Realize motor soft start

Selection of frequency converter

Select the type of inverter, according to the requirements of the type of production machinery, speed regulation range, static speed accuracy, and starting torque, determine the most suitable inverter for the control method. The so-called suitable is not only easy to use, but also economical to meet the basic conditions and requirements of technology and production.

The motor to be controlled and the inverter itself

1) The number of poles of the motor. Generally, the number of motor poles is not more than (extremely suitable, otherwise the inverter capacity should be appropriately increased.

2) Torque characteristics, critical torque, acceleration torque. In the case of the same motor power, the inverter specification can be derated compared to the high overload torque mode. 

3) Electromagnetic compatibility. In order to reduce the main power interference, a reactor can be added to the intermediate circuit or the input circuit of the inverter, or a pre-isolation transformer can be installed. Generally, when the distance between the motor and the inverter exceeds 50m, a reactor, a filter or a shielded protective cable should be connected in series between them.

Selection of inverter power

The system efficiency is equal to the product of the inverter efficiency and the motor efficiency. Only when both of them work at higher efficiency, the system efficiency is higher. From the point of view of efficiency, the following points should be paid attention to when selecting the inverter power:

1) It is most suitable when the power value of the inverter is equivalent to the power value of the motor, so that the inverter can operate at a high efficiency value.

2) When the power classification of the inverter is different from that of the motor, the power of the inverter should be as close as possible to the power of the motor, but it should be slightly larger than the power of the motor.

3) When the motor is frequently started, braked or under heavy load starting and works frequently, a larger inverter can be selected to use the inverter for long-term and safe operation.

4) After the test, the actual power of the motor is indeed surplus. You can consider choosing a frequency converter with a power smaller than that of the motor, but pay attention to whether the instantaneous peak current will cause overcurrent protection.

5) When the power of the inverter and the motor are not the same, the settings of the energy-saving program must be adjusted accordingly, so as to achieve a higher energy-saving effect.

Power and Frequency

400hz 650hz 800hz 1600hz 3200hz

800w 1.5kw 2.2kw 3kw 4kw 5.5kw 7.5kw 9kw 11kw 15kw

Product Specification

Our Company

Packing, Storage, Handling and Transportation

Why choose us?

• Our products are built to exceed industry standards.
• It is our corporate philosophy that small things make big things and details make perfect, and it is our brand philosophy to produce world-class products and build an international famous brand.
• Our factory uses the latest technology to manufacture our products.
• Your demand is the driving force of our creation; Your satisfaction is our reward and reward.
• Our team is dedicated to providing timely and efficient service.
• We provide more opportunities and space for employees' career planning, and strive to realize the value of employees and the company simultaneously, and to promote the mutual growth of employees and the company.
• We offer a range of customization options to meet your specific needs.
• In the process of unremitting pursuit of transcendence and development, our process technology is continuously optimized and CNC Variable Frequency Drive quality is constantly upgraded.
• Our CNC spindles and VFD products are manufactured to the highest standards.
• We will look forward to your visit with first-class service, reasonable price, complete specifications and high-quality products!

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