Application of FRECON products in magnetic material industry

1、Introduction

With the continuous development of modern technology, NdFeB magnetic material, as a high-performance permanent magnet material, plays a vital role in motors, generators, sensors and other high-tech fields. 

However, the traditional NdFeB magnetic material production process often has problems such as energy waste, low production efficiency and unstable product quality. In order to meet the challenges of market competition, the introduction of modern inverter technology to optimize the production process of its NdFeB magnetic materials can greatly improve production efficiency and market competitiveness.

2、NdFeB magnetic material production process

(1) Melting ingot making/striping process:In the process of smelting ingots or stripping, the frequency converter can control the motor of the melting furnace or stripping machine to achieve precise temperature and speed control to ensure uniform melting of raw materials or stripping , Improve the quality of smelting.

(2) Milling stage:During the milling process, the frequency converter can adjust the running speed and torque of the milling equipment, control the impact force of the grinding balls, achieve fine milling, and improve the uniformity of the powder.

(3) Pressing and sintering process: The inverter can control the operation of the press and sintering furnace to achieve precise pressing and sintering control and improve the compactness and mechanical properties of the product.

(4) Magnetic detection: In the magnetic detection link, the frequency converter can be used to control the generation of magnetic field and the operation of detection equipment to realize the detection and analysis of magnetic properties.

(5) Grinding and pin cutting: The frequency converter can control the operation of grinding machines and cutting equipment to achieve precise processing and cutting operations, and improve the dimensional accuracy and surface quality of products.

(6) Electroplating process: In the electroplating process, the frequency converter can control the stirring equipment of the electroplating tank to ensure the uniform distribution of the electroplating solution and improve the quality of electroplating.

3、Advantage

The introduction of frequency converter technology brings multiple advantages in the production process of NdFeB magnetic materials:

(1) Precise control: The frequency converter can realize precise speed and torque control, ensure the motion precision in each production link, and improve the consistency and quality of products.

(2) Energy optimization: By adjusting the operating speed of the equipment, the frequency converter can avoid energy waste, realize the effective use of energy, and reduce production costs.

(3) Production efficiency improvement: The inverter can adjust the operating speed of the equipment according to different process requirements, realize the optimization and acceleration of the production process, and improve production efficiency.

(4) Reduce loss: Fine motion control and parameter adjustment can reduce the waste of raw materials and energy, and reduce the production process.

4、Field application picture

CT500 series applied to dry molding machine

FR510 is used in single and double permanent magnet synchronous motor grinding heads of grinding machines,

FR150A Applied to Grinding Machine Feeding Control

SD580 (electro-hydraulic servo), CT500 (punching and demagnetization)

applied to 150T/250T hydraulic forming machine