Plate-Strip Electro-Thermal Field Control for Stable Electro-Plastic Rolling
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Solution Overview
Problem
The traditional rolling process is inefficient for high-hard brittle alloy materials, particularly in achieving stable high-speed electro-plastic rolling of wide strips with large width-to-thickness ratios, due to lack of advanced measurement and control devices for electro-plastic effects.
Innovation Solution
A micro control device simulating electric thermal field changes, comprising a plate shape test platform, high current regulating power supply, current regulating device, thermal imager, non-contact strain gauge, and electro-plastic control system, which adjusts and synchronizes electric, thermal, and force fields to control the rolling process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional rolling process is used for high-hard brittle alloy materials, then the processing method is simple, but the processing efficiency is low and the plasticity is poor
Solution Approach 1:
The patent applies electro-plastic effect by introducing high-density current during the rolling process, changing the physical state of the material through electrical parameters. This reduces flow stress and improves plasticity of high-hard brittle alloys, enabling efficient processing while maintaining material integrity
Solution Approach 2:
The patent combines mechanical rolling with electro-plastic effect to create a composite processing method. The interaction between mechanical force and electrical current produces synergistic effects that overcome the limitations of traditional rolling alone, improving both efficiency and ease of manufacturing
2Speed
If high-speed electro-plastic rolling is applied to wide strips with large width-to-thickness ratios, then the processing speed is improved, but the rolling stability becomes difficult to control
Solution Approach 1:
The patent divides the wide strip into multiple measurement zones with independently controlled current parameters. By segmenting the control system into multiple independent channels, each zone can be optimized individually, maintaining rolling stability at high speeds while processing wide strips
Solution Approach 2:
The patent implements dynamic adjustment of current parameters based on real-time feedback from sensors. The control system continuously monitors rolling conditions and adjusts electrical parameters dynamically, enabling stable high-speed rolling of wide strips by adapting to changing conditions
3Manufacturing precision
If conductive blocks are embedded in conductive rolls to adjust current distribution, then the lateral current distribution uniformity is improved, but the ability to accurately measure and control multi-field entanglement is insufficient
Solution Approach 1:
The patent integrates multiple functions into a single control system that simultaneously manages current distribution, temperature control, and real-time measurement. The unified platform handles electrical, thermal, and mechanical parameters, enabling both uniform current distribution and precise measurement of multi-field interactions
Solution Approach 2:
The patent implements closed-loop feedback control with sensors that continuously monitor current distribution, temperature, and rolling parameters. The system uses this feedback to automatically adjust control parameters, achieving both uniform current distribution and accurate measurement of multi-field entanglement effects
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This device enables precise control of the electro-plastic rolling process, improving the uniformity and stability of the rolling process for high-hardness and brittle alloy strips by accurately simulating and matching the entanglement of electric, thermal, and force fields, thereby enhancing the plasticization of ultra-thin strips with large width-to-thickness ratios.
Implementation Method 1
An electro-plastic thermal effect and a pure electro-induced effect are mainly adopted. Flow stress is reduced by adjusting the evolution characteristics of the metallic tissue and the macroscopic force energy parameters
Implementation Method 2
An electro-plastic thermal effect are mainly adopted
Data Source
AI summary
The disclosure provides a micro control device for simulating the electric thermal field change of a plate/strip, comprising a plate shape simulating test platform, a high current regulating power supply, a current regulating device, a thermal imager, a thermocouple, a non-contact type full field strain gauge, a high-power current control device and an electro-plastic control system; for a plate/strip with large width to thickness ratio and high hardness and brittleness alloy, different numbers of electrodes are arranged laterally along the movable supporting beam. A high-power current control device is used to realize the sub-regional control of the electric field, thermal field and stress field of the plate/strip; at the same time, the movable supporting beam and tension sensor are used to test the working conditions of the plate/strips with different lengths and widths, to simulate the instantaneous synchronous entanglement process between different fields. An electro-plastic control system is used to realize the intelligent closed-loop control of specific working conditions. The device provides a high-precision physical test platform for studying the non-uniform electro-plastic effect of a high width to thickness ratio and high hardness brittle strip during an actual rolling process, and adds a new and high-efficiency adjustment method to the traditional rolling mill system.