An Automatically Controlled Constant Pressure Tape Making Method

Abstract

The invention discloses an automatically-controlled constant-pressure strip making method. According to the method, a sealed nozzle package is used for containing alloy liquid, and the alloy liquid issprayed onto the surface of a cooling roller which is rapidly rotating through a nozzle under the nozzle package, and a solid alloy strip is formed; inert gas is introduced into the nozzle package inthe strip spraying process, the pressure of the inert gas is used for compensating the hydraulic pressure drop caused by the liquid level drop of the alloy liquid during strip making, the compensation air pressure value is automatically calculated and controlled in real time by a center console according to a compensation gas pressure change equation according to the strip spraying process parameters, and the pressure of the alloy liquid sprayed from the nozzle is kept constant in the entire strip making process. The center console also realizes the real-time and automatic control over the process parameters, such as the alloy fluid temperature and the rotating speed of the cooling roller, in the entire strip making process, the actual thickness of the strip is fed back in real time according to an on-line thickness measuring instrument, the inner compensation pressure of the nozzle and the rotating speed of the cooling roller are adjusted automatically according to the actual thickness of the strip, and the stable strip thickness is achieved.

Description

technical field [0001] The invention relates to a preparation method of a thin strip alloy material, in particular to an automatic control constant pressure amorphous alloy strip material, a nanocrystalline alloy strip material and a subnano alloy strip material preparation method. Background technique [0002] Amorphous and nanocrystalline soft magnetic alloys have been widely used in energy-saving transformers, high-efficiency motors, high-end reactors, and high-end mutual inductors in recent years due to their high saturation magnetic induction, ultra-low loss and high magnetic permeability and other excellent soft magnetic properties and energy-saving characteristics. It is widely used in power and electronic devices such as inverters, high-end inductors, inverters, sensors, and switching power supplies. With the development of science and technology, all kinds of power electronic devices have higher and higher requirements for soft magnetic materials, and the quality st...

AI Technical Summary

Problems solved by technology

[0006] The problem to be solved by the present invention is to propose an automatically controlled constant-pressure tape-making method for the deficiencies in the above-mentioned existing tape-making methods and devices, through the real-time and automatic control of the computer in the central console, the whole process of tape-making can be realized. The pressure is constant, and realizes real-time and automatic regulation of process parameters such as alloy liquid temperature and cooling roll speed, reduces the influence of human factors and waste of materials and energy, and improves strip quality and stability

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