An online fatigue prediction method and system for cold rolling rolls
A prediction method and technology of cold rolling rolls, which are applied in manufacturing calculation systems, length measuring devices, metal rolling, etc., can solve the problems of slow calculation speed, inability to simulate, and decline in applicability of finite element method, so as to reduce fatigue accidents, The effect of ensuring production efficiency and reducing production costs
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no. 1 example
[0060] This embodiment provides an online fatigue prediction method for cold rolling rolls, and the method can be implemented by an electronic device, and the electronic device can be a terminal or a server. Specifically, the execution flow of the online fatigue prediction method for cold rolling rolls in this embodiment is as follows: figure 1 shown, including the following steps:
[0061] S101, acquiring roll parameters and rolling process parameters of the rolling mill;
[0062] S102, based on the influence function method, establish the elastic deformation model of the rolling mill roll system;
[0063] S103, according to the roll parameters and the rolling process parameters, through the elastic deformation model of the roll system of the rolling mill, calculate the contact pressure distribution between the rolls of the rolls;
[0064] S104, according to the contact pressure distribution between the rolls, calculate the Hertz stress and the contact half-width of the con...
no. 2 example
[0155] This embodiment provides an online fatigue prediction system for cold rolling rolls, and the online fatigue prediction system for cold rolling rolls includes the following modules:
[0156] The data acquisition module is used to acquire the roll parameters and rolling process parameters of the rolling mill;
[0157] The contact pressure distribution calculation module between rolls is used to establish the elastic deformation model of the rolling mill roll system based on the influence function method, and calculate the contact between the rolls through the elastic deformation model of the rolling mill roll system according to the roll parameters and rolling process parameters. pressure distribution;
[0158] The Hertzian stress and contact half-width calculation module of the contact area of the roll is used to calculate the Hertzian stress and the contact half-width of the contact area of the roll according to the contact pressure distribution between the rolls;
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no. 3 example
[0163] This embodiment provides an electronic device, which includes a processor and a memory; wherein, at least one instruction is stored in the memory, and the instruction is loaded and executed by the processor to implement the method of the first embodiment.
[0164] The electronic device may vary greatly due to different configurations or performances, and may include one or more processors (central processing units, CPU) and one or more memories, wherein the memory stores at least one instruction, so The instructions are loaded by the processor and execute the above method.
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