CN116371941A

CN116371941A - Method and device for predicting rolling force and thickness of each layer of metal composite plate and electronic equipment

Info

Publication number: CN116371941A
Application number: CN202310651829.7A
Authority: CN
Inventors: 刘元铭; 苏军; 郝平菊; 和东平; 王振华; 刘亚星; 王涛
Original assignee: Taiyuan University of Technology
Current assignee: Taiyuan University of Technology
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-07-04
Anticipated expiration: 2043-06-05
Also published as: CN116371941B

Abstract

The application discloses a method and a device for predicting rolling force and thickness of each layer of a metal composite plate and electronic equipment, and relates to the technical field of composite plate rolling. The method comprises the following steps: after setting the total rolling reduction of the composite slab to be the rolling reduction of the soft metal slab, determining the outlet thickness of the soft metal slab and the outlet thickness of the hard metal slab based on the rolling reduction of the soft metal slab; determining a first rolling force for rolling the soft metal blank from an inlet thickness of the soft metal blank to an outlet thickness of the soft metal blank in rolling; determining a second rolling force for rolling the hard metal slab from the inlet thickness of the hard metal slab to the outlet thickness of the hard metal slab during rolling; and when the deviation value of the first rolling force and the second rolling force is within a preset deviation range, determining that the average rolling force of the first rolling force and the second rolling force is the target rolling force, wherein the outlet thickness of the soft metal plate blank is the target outlet thickness of the soft metal plate blank, and the outlet thickness of the hard metal plate blank is the target outlet thickness of the hard metal plate blank.

Description

Method and device for predicting rolling force and thickness of each layer of metal composite plate and electronic equipment

Technical Field

The application relates to the technical field of composite plate rolling, in particular to a method and a device for predicting rolling force and thickness of each layer of a metal composite plate and electronic equipment.

Background

With the continuous development of science and technology, the comprehensive performance requirements of each industry on materials are increasing, and the performance of a single metal material is difficult to meet the higher and higher living and production requirements, so that the layered metal composite material is widely paid attention. The metal laminated composite board combines two or more metal plates through a specific preparation process, can have the performance advantages of each component material, achieves the purpose of saving materials, improves the utilization rate of resources, and is widely applied to various fields of aviation, aerospace, petroleum, chemical industry, ships, buildings, electric power, water conservancy and the like.

The rolling composite method is a typical preparation method of the layered metal composite plate, and the metal composite plate prepared by the hot rolling composite method has the characteristics of multiple product types, high dimensional accuracy, uniform thickness of each layer of material after rolling and good consistency of material performance, so that the hot rolling composite method is valued and paid more attention by enterprises. The thickness of each layer of the rolled metal composite plate directly influences the subsequent processing performance and the final comprehensive performance of the product. When the rolling composite technology is used for producing the metal composite plate, the rolling force and the thickness of each layer in the rolling process of the composite plate are rapidly and highly accurately predicted, and the method is important for reasonably formulating the rolling process, controlling the thickness of each layer and improving the product quality.

At present, the rolling force and each layer thickness of the metal hot-rolled composite plate are researched by adopting a finite element method, the finite element method has long calculation time and large calculation amount, and only the result of a specific process can be displayed each time, so that the actual production requirement is not met, and the engineering application is inconvenient. Therefore, there is a need to develop a metal clad plate rolling force and thickness prediction method that is less time consuming and simple in calculation method.

Disclosure of Invention

The invention aims to provide a method and a device for predicting rolling force and thickness of each layer of a metal composite plate and electronic equipment, so as to solve the problems of long time consumption and complex calculation method of the existing method for predicting the rolling force and thickness of each layer of the metal composite plate.

In a first aspect, the present application provides a method for predicting rolling force and thickness of each layer of a metal composite plate, the method comprising:

determining rolling process parameters of the composite plate based on target pass rolling process specification data; wherein, the rolling technological parameters of the composite plate comprise the inlet thickness of the soft metal plate blank, the inlet thickness of the hard metal plate blank and the total thickness of the finished product;

determining a composite slab total reduction based on the soft metal slab inlet thickness, the hard metal slab inlet thickness, and the finished product total thickness;

After setting the total rolling reduction of the composite slab to be the rolling reduction of the soft metal slab, determining a soft metal slab outlet thickness and a hard metal slab outlet thickness based on the rolling reduction of the soft metal slab;

determining a first rolling force for rolling a soft metal slab from an inlet thickness of the soft metal slab to an outlet thickness of the soft metal slab during rolling;

determining a second rolling force for rolling a hard metal slab from an inlet thickness of the hard metal slab to an outlet thickness of the hard metal slab during rolling;

and when the deviation value of the first rolling force and the second rolling force is in a preset deviation range, determining that the average rolling force of the first rolling force and the second rolling force is the target rolling force, wherein the outlet thickness of the soft metal plate blank is the target outlet thickness of the soft metal plate blank, and the outlet thickness of the hard metal plate blank is the target outlet thickness of the hard metal plate blank.

Under the condition of adopting the technical scheme, the rolling force and each layer thickness prediction method of the metal composite plate provided by the embodiment of the application determine the rolling process parameters of the composite plate based on the target pass rolling process specification data; wherein, the rolling technological parameters of the composite plate comprise the inlet thickness of the soft metal plate blank, the inlet thickness of the hard metal plate blank and the total thickness of the finished product; determining a composite slab total reduction based on the soft metal slab inlet thickness, the hard metal slab inlet thickness, and the finished product total thickness; after setting the total rolling reduction of the composite slab to be the rolling reduction of the soft metal slab, determining a soft metal slab outlet thickness and a hard metal slab outlet thickness based on the rolling reduction of the soft metal slab; determining a first rolling force for rolling a soft metal slab from an inlet thickness of the soft metal slab to an outlet thickness of the soft metal slab during rolling; determining a second rolling force for rolling a hard metal slab from an inlet thickness of the hard metal slab to an outlet thickness of the hard metal slab during rolling; when the deviation values of the first rolling force and the second rolling force are within a preset deviation range, the average rolling force of the first rolling force and the second rolling force is determined to be the target rolling force, the outlet thickness of the soft metal plate blank is the target outlet thickness of the soft metal plate blank, and the outlet thickness of the hard metal plate blank is the target outlet thickness of the hard metal plate blank.

In one possible implementation manner, when the deviation value of the first rolling force and the second rolling force is within the preset deviation range, determining that the average rolling force of the first rolling force and the second rolling force is the target rolling force, the soft metal slab outlet thickness is the target soft metal slab outlet thickness, and the hard metal slab outlet thickness is the target hard metal slab outlet thickness, including:

updating the soft metal plate blank rolling rate when the deviation value of the first rolling force and the second rolling force is not in a preset deviation range;

determining the current soft metal sheet billet outlet thickness and the current hard metal sheet billet outlet thickness based on the updated soft metal sheet billet reduction rate;

determining a first rolling force for rolling a soft metal slab from an inlet thickness of the soft metal slab to an outlet thickness of the current soft metal slab in rolling;

determining a second rolling force for rolling the hard metal plate blank from the inlet thickness of the hard metal plate blank to the outlet thickness of the current hard metal plate blank in rolling until the deviation value of the first rolling force and the second rolling force is within the preset deviation range, determining the average rolling force of the first rolling force and the second rolling force as a target rolling force, wherein the outlet thickness of the current soft metal plate blank is a target outlet thickness of the soft metal plate blank, and the outlet thickness of the current hard metal plate blank is a target outlet thickness of the hard metal plate blank.

In one possible implementation, after setting the total rolling reduction of the composite slab to a soft metal slab rolling reduction, determining a soft metal slab outlet thickness and a hard metal slab outlet thickness based on the soft metal slab rolling reduction includes:

setting the total rolling reduction of the composite slab as the rolling reduction of the soft metal slab;

determining a hard metal slab rolling reduction based on the soft metal slab rolling reduction and the composite slab total rolling reduction;

determining the soft metal blank outlet thickness based on the soft metal blank reduction rate;

the hard metal slab exit thickness is determined based on the hard metal slab reduction.

In one possible implementation, the determining a first rolling force for rolling a soft metal sheet blank from the soft metal sheet blank inlet thickness to the soft metal sheet blank outlet thickness in rolling includes:

determining the corresponding radius of an upper roller of the soft metal plate blank in the process of determining the metal rolling force;

determining an upper roll average linear velocity based on the upper roll radius and upper roll rotational speed;

determining soft metal deformation rate and soft metal real strain parameters based on the average linear velocity of the upper roller and combining the inlet thickness of the soft metal plate blank and the outlet thickness of the soft metal plate blank;

Determining soft metal deformation resistance based on the soft metal deformation rate and the soft metal true strain parameter;

determining an arc length of a deformation zone when rolling from an inlet thickness of the soft metal blank to an outlet thickness of the soft metal blank based on the soft metal deformation resistance;

a first rolling force of a deformation zone when rolling from the inlet thickness of the soft metal sheet blank to the outlet thickness of the soft metal sheet blank is determined based on the arc length.

In one possible implementation, the determining a second rolling force for rolling a hard-metal slab from the hard-metal slab inlet thickness to the hard-metal slab outlet thickness in rolling includes:

determining the radius of a lower roller corresponding to the hard metal plate blank in the process of determining the metal rolling force;

determining a lower roll average linear velocity based on the lower roll radius and lower roll rotational speed;

determining a hard metal deformation rate and a hard metal real strain parameter based on the average linear velocity of the lower roll in combination with the hard metal slab inlet thickness and the hard metal slab outlet thickness;

determining a hard metal deformation resistance based on the hard metal deformation rate and the hard metal true strain parameter;

determining an arc length of a deformation zone when rolling from an inlet thickness of the hard metal slab to an outlet thickness of the hard metal slab based on the hard metal deformation resistance;

And determining a second rolling force of a deformation zone when rolling from the inlet thickness of the hard metal sheet blank to the outlet thickness of the hard metal sheet blank based on the arc length.

In one possible implementation manner, before updating the soft metal sheet billet reduction rate when the deviation value of the first rolling force and the second rolling force is not within the preset deviation range, the method further includes:

determining the flattening radius of an upper roller in the rolling of the soft metal plate blank;

the lower roll flattening radius of the hard metal slab during rolling is determined.

In one possible implementation, the determining a first rolling force to roll a soft metal sheet blank from the soft metal sheet blank inlet thickness to the current soft metal sheet blank outlet thickness in rolling includes:

determining an upper roll average linear velocity based on the upper roll flattening radius and upper roll rotational speed;

In one possible implementation, the determining a second rolling force to roll a hard-metal slab from the hard-metal slab inlet thickness to the current hard-metal slab outlet thickness in rolling includes:

determining a lower roll average linear velocity based on the lower roll flattening radius and lower roll rotational speed;

In a second aspect, the present application also provides a metal composite plate rolling force and thickness prediction apparatus, the apparatus comprising:

The first determining module is used for determining the rolling process parameters of the composite plate based on the target pass rolling process specification data; wherein, the rolling technological parameters of the composite plate comprise the inlet thickness of the soft metal plate blank, the inlet thickness of the hard metal plate blank and the total thickness of the finished product;

a second determination module for determining a total composite slab reduction based on the soft metal slab inlet thickness, the hard metal slab inlet thickness, and the finished product total thickness;

a third determining module for determining a soft metal slab outlet thickness and a hard metal slab outlet thickness based on the soft metal slab rolling reduction after setting the composite slab total rolling reduction as a soft metal slab rolling reduction;

a fourth determination module for determining a first rolling force for rolling a soft metal slab from an inlet thickness of the soft metal slab to an outlet thickness of the soft metal slab during rolling;

a fifth determining module for determining a second rolling force for rolling a hard metal slab from an inlet thickness of the hard metal slab to an outlet thickness of the hard metal slab during rolling;

and a sixth determining module, configured to determine, when the deviation values of the first rolling force and the second rolling force are within a preset deviation range, that an average rolling force of the first rolling force and the second rolling force is a target rolling force, that the outlet thickness of the soft metal slab is a target outlet thickness of the soft metal slab, and that the outlet thickness of the hard metal slab is a target outlet thickness of the hard metal slab.

In one possible implementation manner, the sixth determining module includes:

an updating sub-module, configured to update the soft metal sheet billet rolling reduction when the deviation value of the first rolling force and the second rolling force is not within a preset deviation range;

a first determining submodule for determining a current soft metal slab outlet thickness and a current hard metal slab outlet thickness based on the updated soft metal slab reduction rate;

a second determination submodule for determining a first rolling force for rolling a soft metal slab from the soft metal slab inlet thickness to the current soft metal slab outlet thickness during rolling;

and a third determination submodule, configured to determine a second rolling force for rolling a hard metal slab from the hard metal slab inlet thickness to the current hard metal slab outlet thickness in rolling until a deviation value of the first rolling force and the second rolling force is within the preset deviation range, determine an average rolling force of the first rolling force and the second rolling force as a target rolling force, and the current soft metal slab outlet thickness is a soft metal slab target outlet thickness, and the current hard metal slab outlet thickness is a hard metal slab target outlet thickness.

In one possible implementation manner, the third determining module includes:

setting a submodule for setting the total rolling reduction of the composite slab to be the rolling reduction of the soft metal slab;

a fourth determination submodule for determining a hard metal slab rolling reduction based on the soft metal slab rolling reduction and the composite slab total rolling reduction;

a fifth determination submodule for determining the soft metal blank outlet thickness based on the soft metal blank rolling reduction;

a sixth determination submodule for determining the hard-metal slab exit thickness based on the hard-metal slab rolling reduction.

In one possible implementation manner, the fourth determining module includes:

a seventh determination submodule, configured to determine a corresponding upper roll radius of the soft metal slab during metal rolling force determination;

an eighth determination submodule for determining an average linear velocity of the upper roll based on the radius of the upper roll and the rotational velocity of the upper roll;

a ninth determining submodule for determining a soft metal deformation rate and a soft metal real strain parameter based on the average linear velocity of the upper roll and combining the soft metal slab inlet thickness and the soft metal slab outlet thickness;

a tenth determination sub-module for determining a soft metal deformation resistance based on the soft metal deformation rate and the soft metal true strain parameter;

An eleventh determination submodule for determining an arc length of a deformation zone when rolling from an inlet thickness of the soft metal blank to an outlet thickness of the soft metal blank based on the soft metal deformation resistance;

a twelfth determining submodule is used for determining a first rolling force of a deformation zone when rolling from the inlet thickness of the soft metal sheet billet to the outlet thickness of the soft metal sheet billet based on the arc length.

In one possible implementation manner, the fifth determining module includes:

a thirteenth determination submodule for determining a lower roll radius corresponding to the hard metal slab in the metal rolling force determination;

a fourteenth determination submodule for determining a lower roll average linear velocity based on the lower roll radius and the lower roll rotational speed;

a fifteenth determination submodule for determining a hard metal deformation rate and a hard metal true strain parameter based on the lower roll average linear velocity in combination with the hard metal slab inlet thickness and the hard metal slab outlet thickness;

a sixteenth determination sub-module for determining a hard metal deformation resistance based on the hard metal deformation rate and the hard metal true strain parameter;

a seventeenth determination submodule for determining an arc length of a deformation zone when rolling from an inlet thickness of the hard metal slab to an outlet thickness of the hard metal slab based on the hard metal deformation resistance;

An eighteenth determination submodule is used for determining a second rolling force of a deformation zone when rolling from the inlet thickness of the hard metal sheet blank to the outlet thickness of the hard metal sheet blank based on the arc length.

In one possible implementation manner, the sixth determining module further includes:

a nineteenth determination submodule for determining an upper roll flattening radius in the rolling of the soft metal slab;

a twentieth determination submodule is used for determining the flattening radius of a lower roller of the hard metal plate blank in rolling.

In one possible implementation, the second determining submodule includes:

a first determining unit for determining an average linear velocity of the upper roll based on the upper roll flattening radius and the upper roll rotational speed;

the second determining unit is used for determining a soft metal deformation rate and a soft metal real strain parameter based on the average linear velocity of the upper roller and combining the inlet thickness of the soft metal plate blank and the outlet thickness of the soft metal plate blank;

a third determining unit for determining a soft metal deformation resistance based on the soft metal deformation rate and the soft metal true strain parameter;

a fourth determining unit for determining an arc length of a deformation zone when rolling from the soft metal slab inlet thickness to the soft metal slab outlet thickness based on the soft metal deformation resistance;

And a fifth determining unit for determining a first rolling force of a deformation zone when rolling from the soft metal blank inlet thickness to the soft metal blank outlet thickness based on the arc length.

In one possible implementation manner, the third determining submodule includes:

a sixth determining unit configured to determine a lower roll average linear velocity based on the lower roll flattening radius and a lower roll rotational speed;

a seventh determining unit for determining a hard metal deformation rate and a hard metal real strain parameter based on the lower roll average linear velocity in combination with the hard metal slab inlet thickness and the hard metal slab outlet thickness;

an eighth determination unit for determining a hard metal deformation resistance based on the hard metal deformation rate and the hard metal true strain parameter;

a ninth determining unit for determining an arc length of a deformation zone when rolling from the hard metal slab inlet thickness to the hard metal slab outlet thickness based on the hard metal deformation resistance;

a tenth determining unit for determining a second rolling force of the deformation zone when rolling from the inlet thickness of the hard metal slab to the outlet thickness of the hard metal slab based on the arc length.

The beneficial effects of the metal composite plate rolling force and each layer thickness prediction device provided in the second aspect are the same as those of the metal composite plate rolling force and each layer thickness prediction method described in the first aspect or any possible implementation manner of the first aspect, and are not described in detail herein.

In a third aspect, the present application further provides an electronic device, including: one or more processors; and one or more machine readable media having instructions stored thereon that, when executed by the one or more processors, cause the apparatus to perform the metal clad plate rolling force and layer thickness prediction method described in any possible implementation of the first aspect.

The beneficial effects of the electronic device provided in the third aspect are the same as those of the metal composite plate rolling force and the thickness prediction method of each layer described in the first aspect or any possible implementation manner of the first aspect, and are not described herein.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 shows a schematic flow chart of a metal composite plate rolling force and thickness prediction method of each layer according to an embodiment of the present application;

FIG. 2 is a schematic flow chart of another method for predicting rolling force and thickness of each layer of a metal composite plate according to an embodiment of the present application;

FIG. 3 shows a schematic rolling diagram of a hot rolled metal composite plate according to an embodiment of the present application;

FIG. 4 shows a schematic representation of a roll-down rate and outlet thickness cycle as proposed in the examples of the present application;

FIG. 5 illustrates a schematic view of a rolling force and crush radius cycle as proposed in an embodiment of the present application;

FIG. 6 is a graph showing a comparison of predicted values of an outlet thickness model and calculated values of a finite element method according to an embodiment of the present application;

FIG. 7 shows a comparison of a rolling force model predicted value and an FEM calculated value provided in an embodiment of the present application;

fig. 8 shows a schematic structural diagram of a metal composite plate rolling force and thickness prediction device according to an embodiment of the present application;

fig. 9 shows a schematic hardware structure of an electronic device according to an embodiment of the present application;

fig. 10 is a schematic structural diagram of a chip according to an embodiment of the present application.

Reference numerals:

500-an electronic device; 510-a processor; 520-communication interface; 530-memory; 540-communication lines; 600-chip; 640-bus system.

Detailed Description

In order to clearly describe the technical solutions of the embodiments of the present application, in the embodiments of the present application, the words "first", "second", etc. are used to distinguish the same item or similar items having substantially the same function and effect. For example, the first threshold and the second threshold are merely for distinguishing between different thresholds, and are not limited in order. It will be appreciated by those of skill in the art that the words "first," "second," and the like do not limit the amount and order of execution, and that the words "first," "second," and the like do not necessarily differ.

In this application, the terms "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

In the present application, "at least one" means one or more, and "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a alone, a and B together, and B alone, wherein a, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b or c may represent: a, b, c, a and b, a and c, b and c, or a, b and c, wherein a, b, c can be single or multiple.

Fig. 1 shows a schematic flow chart of a method for predicting rolling force and thickness of each layer of a metal composite plate according to an embodiment of the present application, as shown in fig. 1, where the method includes:

step 101: determining rolling process parameters of the composite plate based on target pass rolling process specification data; wherein, the rolling technological parameters of the composite plate comprise the inlet thickness of the soft metal plate blank, the inlet thickness of the hard metal plate blank and the total thickness of the finished product.

In the present application, the clad plate rolling process parameters may include the soft metal slab inlet thickness

Inlet thickness of hard sheet metal blank->

And total thickness of finished product->

Also comprises soft metal and hard metal slab width +.>

Friction coefficient between the soft metal sheet blank and the lower roll in contact therewith>

Friction coefficient between the hard metal sheet blank and the lower roll in contact therewith>

Coefficient of friction between soft metal sheet and hard metal sheet +.>

The original radii of the upper roll in contact with the soft metal slab and the lower roll in contact with the hard metal slab are +.>

The rotational speeds of the upper roll and the lower roll are +.>

Temperature of the soft metal sheet and the hard metal sheet +.>

The method comprises the steps of carrying out a first treatment on the surface of the Wherein the original radius and the rotation speed of the upper roller and the lower roller are equal, the temperature of the soft metal plate blank and the temperature of the hard metal plate blank are equal, and the widths of the soft metal plate blank and the hard metal plate blank are equal.

Step 102: and determining the total reduction rate of the composite slab based on the soft metal slab inlet thickness, the hard metal slab inlet thickness and the total finished product thickness.

In the present application, the thickness of the inlet of the soft metal plate blank can be determined

And the inlet thickness of the hard metal slab->

Total thickness of finished product->

Calculating the total reduction of the composite slab>

。

Step 103: after setting the composite slab total rolling reduction as a soft metal slab rolling reduction, determining a soft metal slab outlet thickness and a hard metal slab outlet thickness based on the soft metal slab rolling reduction.

In the present application, the specific implementation procedure of the step 103 may include the following substeps:

substep A1: the total rolling reduction of the composite slab is set as the rolling reduction of the soft metal slab.

Wherein the rolling reduction of the soft metal plate blank in the composite plate rolling process can be set

。

Substep A2: and determining the rolling reduction of the hard metal plate blank based on the rolling reduction of the soft metal plate blank and the total rolling reduction of the composite plate blank.

Wherein the rolling reduction of the hard metal plate blank in the rolling of the composite plate blank is determined by subtracting the rolling reduction of the soft metal plate blank from the total rolling reduction of the composite plate blank

。

Substep A3: the soft metal sheet blank outlet thickness is determined based on the soft metal sheet blank reduction rate.

Wherein, the rolling reduction of the soft metal plate blank is calculated

The outlet thickness of the lower soft metal sheet blank +.>

。

Substep A4: the hard metal slab exit thickness is determined based on the hard metal slab reduction.

Wherein, the rolling reduction of the hard metal plate blank is calculated

Lower hard-metal slab outlet thickness->

。

Step 104: a first rolling force is determined for rolling a soft metal sheet blank from an inlet thickness of the soft metal sheet blank to an outlet thickness of the soft metal sheet blank during rolling.

In this application, the implementation procedure of the step 104 may include the following substeps:

substep B1: and determining the corresponding upper roller radius of the soft metal plate blank in the metal rolling force determination.

Substep B2: and determining the average linear velocity of the upper roller based on the radius of the upper roller and the rotating speed of the upper roller.

Substep B3: and determining soft metal deformation rate and soft metal real strain parameters based on the average linear velocity of the upper roller and combining the inlet thickness of the soft metal sheet billet and the outlet thickness of the soft metal sheet billet.

Substep B4: and determining soft metal deformation resistance based on the soft metal deformation rate and the soft metal real strain parameter.

Substep B5: determining the arc length of a deformation zone when rolling from the inlet thickness of the soft metal blank to the outlet thickness of the soft metal blank based on the soft metal deformation resistance.

Substep B6: a first rolling force of a deformation zone when rolling from the inlet thickness of the soft metal sheet blank to the outlet thickness of the soft metal sheet blank is determined based on the arc length.

Step 105: a second rolling force is determined for rolling a hard metal slab from the hard metal slab inlet thickness to the hard metal slab outlet thickness during rolling.

In this application, the implementation procedure of the step 105 may include the following substeps:

substep C1: and determining the corresponding radius of the lower roller of the hard metal plate blank in the metal rolling force determination.

Substep C2: and determining the average linear velocity of the lower roller based on the radius of the lower roller and the rotating speed of the lower roller.

Substep C3: and determining a hard metal deformation rate and a hard metal real strain parameter based on the average linear velocity of the lower roller and combining the inlet thickness of the hard metal plate blank and the outlet thickness of the hard metal plate blank.

Substep C4: determining a hard metal deformation resistance based on the hard metal deformation rate and the hard metal true strain parameter.

Substep C5: determining an arc length of a deformation zone when rolling from an inlet thickness of the hard metal slab to an outlet thickness of the hard metal slab based on the hard metal deformation resistance.

Substep C6: and determining a second rolling force of a deformation zone when rolling from the inlet thickness of the hard metal sheet blank to the outlet thickness of the hard metal sheet blank based on the arc length.

Step 106: and when the deviation value of the first rolling force and the second rolling force is in a preset deviation range, determining that the average rolling force of the first rolling force and the second rolling force is the target rolling force, wherein the outlet thickness of the soft metal plate blank is the target outlet thickness of the soft metal plate blank, and the outlet thickness of the hard metal plate blank is the target outlet thickness of the hard metal plate blank.

In summary, according to the metal composite plate rolling force and thickness prediction method, the composite plate rolling process parameters are determined based on target pass rolling process specification data; wherein, the rolling technological parameters of the composite plate comprise the inlet thickness of the soft metal plate blank, the inlet thickness of the hard metal plate blank and the total thickness of the finished product; determining a composite slab total reduction based on the soft metal slab inlet thickness, the hard metal slab inlet thickness, and the finished product total thickness; after setting the total rolling reduction of the composite slab to be the rolling reduction of the soft metal slab, determining a soft metal slab outlet thickness and a hard metal slab outlet thickness based on the rolling reduction of the soft metal slab; determining a first rolling force for rolling a soft metal slab from an inlet thickness of the soft metal slab to an outlet thickness of the soft metal slab during rolling; determining a second rolling force for rolling a hard metal slab from an inlet thickness of the hard metal slab to an outlet thickness of the hard metal slab during rolling; when the deviation values of the first rolling force and the second rolling force are within a preset deviation range, the average rolling force of the first rolling force and the second rolling force is determined to be the target rolling force, the outlet thickness of the soft metal plate blank is the target outlet thickness of the soft metal plate blank, and the outlet thickness of the hard metal plate blank is the target outlet thickness of the hard metal plate blank.

Fig. 2 shows a schematic flow chart of another method for predicting rolling force and thickness of each layer of a metal composite plate according to an embodiment of the present application, as shown in fig. 2, where the method includes:

step 201: determining rolling process parameters of the composite plate based on target pass rolling process specification data; wherein, the rolling technological parameters of the composite plate comprise the inlet thickness of the soft metal plate blank, the inlet thickness of the hard metal plate blank and the total thickness of the finished product.

Inlet thickness of hard sheet metal blank->

And total thickness of finished product->

Also comprises soft metal and hard metal slab width +.>

Coefficient of friction between soft metal sheet and hard metal sheet +.>

The rotational speeds of the upper roll and the lower roll are +.>

Temperature of the soft metal sheet and the hard metal sheet +.>

Step 202: and determining the total reduction rate of the composite slab based on the soft metal slab inlet thickness, the hard metal slab inlet thickness and the total finished product thickness.

And the inlet thickness of the hard metal slab->

Total thickness of finished product->

Calculating the total reduction of the composite slab>

。

Specifically, the total rolling reduction of the composite slab can be determined by the formula (1)

：

（1）。

Step 203: after setting the composite slab total rolling reduction as a soft metal slab rolling reduction, determining a soft metal slab outlet thickness and a hard metal slab outlet thickness based on the soft metal slab rolling reduction.

In this application, the implementation procedure of the step 203 may include the following substeps:

。

。

Specifically, the rolling reduction of the hard metal slab can be determined by the formula (2)

：

（2）。

Wherein, the rolling reduction of the soft metal plate blank is calculated

The outlet thickness of the lower soft metal sheet blank +.>

。

Specifically, the outlet thickness of the soft metal sheet bar can be determined by the formula (3)

：

（3）。

Wherein, the rolling reduction of the hard metal plate blank is calculated

Lower hard-metal slab outlet thickness->

。

Specifically, the exit thickness of the hard metal slab can be calculated by the formula (4)

：

（4）。

Step 204: a first rolling force is determined for rolling a soft metal sheet blank from an inlet thickness of the soft metal sheet blank to an outlet thickness of the soft metal sheet blank during rolling.

Optionally, the implementation process of the step 204 may include the following substeps:

Wherein the upper roll radius of the soft metal slab used in the calculation of the rolling force of each layer of metal can be set

The upper roll radius used for the first calculation +.>

May be the original radius + >

I.e. +.>

。

In particular, it is possible to use the radius of the upper roll in contact with the soft metal

And the upper roll speed>

Calculating the average linear velocity of the upper roller>

。

Specifically, the average linear velocity of the roll can be determined based on the formula (5)

：

（5）。

In particular, it can be based on the average linear velocity of the upper roll

Soft metal slab inlet thickness +.>

And the outlet thickness of the soft metal sheet blank->

Calculate the deformation rate of the soft metal +.>

And is softTrue strain parameter of metal->

。

Further, the deformation rate of the soft metal can be determined by the formula (6)

：

（6）；

The real strain parameter of the soft metal can be determined by the formula (7)

：

（7）。

In particular, it can be based on the soft metal deformation rate

Soft metal true strain parameter->

And temperature of the soft-metal slab to calculate the deformation resistance of the soft-metal >

。

Further, the deformation resistance of the soft metal can be determined by the formula (8)

：

（8）；

Wherein:

for thermodynamic temperature, ++>

；/>

Is soft metal at deformation temperature +>

，

，/>

Resistance to deformation at the time; />

Is the deformation temperature of the soft metal in degrees celsius +.>

；/>

The strain rate of a soft metal is expressed in reciprocal seconds (>

）；/>

Is a soft metal real strain parameter; />

For the regression coefficient, the value depends on the steel type, and the regression coefficient of 30MnSi steel is exemplified as +.>

The method comprises the steps of carrying out a first treatment on the surface of the Regression coefficient of 16Mn is->

The embodiment of the application is not particularly limited, and can be based on actual application scenesAnd making specific adjustment.

In particular, the inlet thickness of the soft metal blank can be determined based on the soft metal deformation resistance

Rolling to the outlet thickness of the soft metal sheet blank>

Arc length of deformation zone at the time +.>

。

Further, the arc length of the deformation zone can be determined by the formula (9)

：

（9）。

In particular, the thickness of the inlet from the soft metal sheet blank can be determined based on the arc length

Rolling to the outlet thickness of the soft metal plate blank>

First rolling force of deformation zone at time +.>

。

Further, the first rolling force may be determined by the formula (10)

：

（10）。

Step 205: a second rolling force is determined for rolling a hard metal slab from the hard metal slab inlet thickness to the hard metal slab outlet thickness during rolling.

In this application, the implementation procedure of the step 205 may include the following substeps:

Specifically, the radius of the lower roll used in the calculation of the rolling force of each layer of metal of the hard metal plate blank can be set

The upper roll radius used for the first calculation +.>

May be the original radius +>

I.e. +.>

。

In particular, it can be determined according to the radius of the lower roll in contact with the soft metal

And the upper roll speed>

Calculating the average linear velocity of the lower roll>

。

Further, the average linear velocity of the lower roll can be calculated by the formula (11)

：

（11）。

Specifically, according to the average linear velocity of the lower roll

Inlet thickness of hard metal slab +.>

And hard-metal slab exit thickness->

Calculating the deformation rate of hard metal->

And hard metal true strain parameter->

。

Further, the hard metal deformation rate can be calculated by the formula (12)

：

（12）。

The hard metal true strain parameter can be calculated by formula (13)

：

（13）。

In particular, it can be based on the rate of deformation of the hard metal

Calculating the deformation resistance of the hard metal from the real strain parameter of the hard metal and the temperature of the hard metal slab>

。

Further, the deformation resistance of the hard metal can be calculated by the formula (14)

：

（14）；

Wherein:

for thermodynamic temperature, ++>

；/>

Is a hard metal at deformation temperature +>

，

，/>

Resistance to deformation at the time; />

Is the deformation temperature of the hard metal; />

A strain rate that is a hard metal;

true strain for hard metals; />

The regression coefficient, the value of which depends on the steel grade.

In particular, the inlet thickness of the hard metal slab can be determined based on the hard metal deformation resistance

Rolled to the exit thickness of the hard metal slab>

Arc length of deformation zone at the time +.>

。

Further, the arc length of the deformation zone can be determined by equation (15)

：

（15）。/>

In particular, the thickness of the inlet from the sheet metal blank to be hardened can be determined on the basis of the arc length

Rolled to the exit thickness of the hard metal slab>

Second rolling force of deformation zone at the time +.>

。

Further, the second rolling force may be determined by the formula (16)

：

（16）。

Step 206: and determining the flattening radius of an upper roller in the rolling process of the soft metal plate blank, and determining the flattening radius of a lower roller in the rolling process of the hard metal plate blank.

In the present application, the upper roll flattening radius in the soft metal slab rolling can be determined

The method comprises the steps of carrying out a first treatment on the surface of the Determining the bottom roll crushing radius of the hard metal sheet blank during rolling>

。

In particular, the roll flattening radius of each of the soft metal slab and the hard metal slab during rolling can be calculated

And

considering the effect of the pressure between the metal plate blank and the roller in the rolling process, the roller can elastically flatten to increase the length of the contact arc, and in order to improve the calculation accuracy of the contact arc and the rolling force, the elastic flattening of the roller is considered in the calculation process, and the flattening radius of the upper roller is +. >

And lower roll crush radius +.>

The specific calculation method of (a) is as follows:

（17）；

（18）。

step 207: and updating the soft metal sheet billet rolling rate when the deviation value of the first rolling force and the second rolling force is not in the preset deviation range.

Optionally, the preset deviation range may be a value range corresponding to a convergence condition, and the specific convergence condition may be

If the deviation calculated by the judgment conditions is more than 0.01% or less than-0.01%, it is necessary to recalculate the rolling reduction +.>

。

Step 208: and determining the current soft metal sheet billet outlet thickness and the current hard metal sheet billet outlet thickness based on the updated soft metal sheet billet reduction rate.

In the present application, the current soft metal sheet billet outlet thickness and the current hard metal sheet billet outlet thickness may be determined by means of step 203 based on the updated soft metal sheet billet reduction.

Step 209: a first rolling force is determined for rolling a soft metal slab from the soft metal slab inlet thickness to the current soft metal slab outlet thickness during rolling.

In this application, the implementation procedure of step 209 may include the following substeps:

substep D1: and determining the average linear speed of the upper roller based on the flattening radius of the upper roller and the rotating speed of the upper roller.

Substep D2: and determining soft metal deformation rate and soft metal real strain parameters based on the average linear velocity of the upper roller and combining the inlet thickness of the soft metal sheet billet and the outlet thickness of the soft metal sheet billet.

Substep D3: and determining soft metal deformation resistance based on the soft metal deformation rate and the soft metal real strain parameter.

Substep D4: determining the arc length of a deformation zone when rolling from the inlet thickness of the soft metal blank to the outlet thickness of the soft metal blank based on the soft metal deformation resistance.

Substep D5: a first rolling force of a deformation zone when rolling from the inlet thickness of the soft metal sheet blank to the outlet thickness of the soft metal sheet blank is determined based on the arc length.

Step 210: determining a second rolling force for rolling the hard metal plate blank from the inlet thickness of the hard metal plate blank to the outlet thickness of the current hard metal plate blank in rolling until the deviation value of the first rolling force and the second rolling force is within the preset deviation range, determining the average rolling force of the first rolling force and the second rolling force as a target rolling force, wherein the outlet thickness of the current soft metal plate blank is a target outlet thickness of the soft metal plate blank, and the outlet thickness of the current hard metal plate blank is a target outlet thickness of the hard metal plate blank.

In the present application, the lower roll average linear velocity may be determined based on the lower roll flattening radius and the lower roll rotational speed; determining a hard metal deformation rate and a hard metal real strain parameter based on the average linear velocity of the lower roll in combination with the hard metal slab inlet thickness and the hard metal slab outlet thickness; determining a hard metal deformation resistance based on the hard metal deformation rate and the hard metal true strain parameter; determining an arc length of a deformation zone when rolling from an inlet thickness of the hard metal slab to an outlet thickness of the hard metal slab based on the hard metal deformation resistance; and determining a second rolling force of a deformation zone when rolling from the inlet thickness of the hard metal plate blank to the outlet thickness of the hard metal plate blank based on the arc length until convergence conditions are met.

After the convergence condition is satisfied, that is, when the deviation value of the first rolling force and the second rolling force is within the preset deviation range, the rolling force P of the hot-rolled bimetal composite plate, the target outlet thickness of the soft metal plate blank and the target outlet thickness of the hard metal plate blank can be determined.

Specifically, the rolling force P during the production of the bimetal hot rolled composite plate can be calculated according to the rolling force obtained by circulation, and the rolling force P is obtained according to circulation

And->

Optimal value +.>

And->

Calculating the final outlet thickness of the soft and hard metal slabs during clad rolling>

And->

。

During the course of the cycle, the process,

，/>

taking

positive integers

1, 2 and 3 … … for the cycle calculation times, and sequentially increasing; each time the rolling force calculation is cycled to step 204 and step 205, the roll radius used in the calculation is calculated using the recalculated upper roll flattening radius and lower roll flattening radius, i.e./the roll radius is calculated as a roll radius>

，/>

。

Further, the target rolling force can be determined by the formula (19)

：

（19）。/>

The target exit thickness of the soft metal sheet blank can be determined by equation (20)

：

（20）。

The target exit thickness of the hard metal slab can be determined by equation (21)

：

（21）。

For example, fig. 3 shows a schematic rolling diagram of a hot rolled metal composite plate provided in the embodiment of the present application, where the soft metal slab in the area 1 is a Q235 carbon steel slab, the hard metal slab in the area 2 is a 304 stainless steel slab, and the process of predicting parameters required by fig. 3 through the metal composite plate rolling force and the thickness prediction methods of any one of fig. 1-2 of the present application may respectively include the following steps:

step 301: determining the rolling technological parameters of the composite plate according to the data of a certain pass rolling technological specification, including the inlet thickness of a Q235 carbon steel plate blank

Inlet thickness of 304 stainless steel slab +.>

Soft-metal and hard-metal slab width +.>

Target total thickness of finished composite board>

Friction coefficient between Q235 carbon steel slab and upper roll in contact therewith>

Coefficient of friction between 304 stainless steel slab and lower roll in contact therewith

Friction coefficient between Q235 carbon steel slab and 304 stainless steel slab +.>

Original radius of upper roll in contact with Q235 carbon steel slab and lower roll in contact with 304 stainless steel slab +.>

The rotational speeds of the upper roll and the lower roll are +.>

Temperature of Q235 carbon steel slab and 304 stainless steel slab +>

；

Step 302: inlet thickness according to Q235 carbon steel slab and 304 stainless steel slab

And->

Total thickness of finished product target->

Calculating the total reduction of the composite slab>

；

Step 303: setting the reduction rate of Q235 carbon steel plate blank in composite plate rolling

；

Step 304: calculating the rolling reduction rate of 304 stainless steel plate blank metal plate blank in composite plate rolling

；

；

Step 305: calculating the rolling reduction rates of the Q235 carbon steel plate blank and the 304 stainless steel plate blank respectively

And->

Lower outlet thickness->

And->

；

；

。/>

Step 306: setting roll radius used in calculation of rolling force of each layer of metal of Q235 carbon steel plate blank and 304 stainless steel plate blank

And->

Roll radius for the first calculation +. >

And->

For the original radius of the upper and lower rolls->

I.e.

，/>

；

Step 307: according to the radius of the upper roller contacted with the Q235 carbon steel slab

And the upper roll speed>

Calculating the average linear velocity of the upper roll>

；

。

Step 308: according to the average linear velocity of the upper rolls

Inlet thickness of Q235 carbon steel slab +.>

And outlet thickness->

Calculate the deformation rate of Q235 carbon steel +.>

And true strain->

；

；

。

Step 309: rate of deformation according to Q235 carbon steel

And temperature of the soft-metal slab to calculate the deformation resistance of the soft-metal>

；

Step 310: calculation of the Q235 carbon Steel slab from

Rolled to->

Arc length of deformation zone at the time +.>

；

Step 311: calculation of the Q235 carbon Steel slab from

Rolled to->

Rolling force->

；/>

。

Step 312: according to the radius of the lower roller contacted with the 304 stainless steel slab

And the lower roll speed +.>

Calculating the average linear velocity of the lower roll>

；

。

Step 313: according to the average linear velocity of the upper rolls

And an inlet thickness of 304 stainless steel slab +.>

And outlet thickness->

Calculate 304 deformation rate of stainless steel +.>

And true strain->

。

；

。

Step 314: according to the deformation rate of 304 stainless steel

Temperature calculation of 304 stainless steel slab 304 stainless steelIs>

；

。

Step 315: calculation of 304 stainless Steel sheet blank from

Rolled to->

Arc length of deformation zone at the time +.>

；

。

Step 315: calculation of 304 stainless Steel sheet blank from

Rolled to->

Rolling force->

；/>

。

Step 317: calculating the roll flattening radius of each of the Q235 carbon steel plate blank and the 304 stainless steel plate blank in rolling

And->

Considering the pressure between the metal plate blank and the roller in the rolling process, the roller can elastically flatten to increase the contact arc lengthIn addition, in order to improve the calculation accuracy of the contact arc and the rolling force, the elastic flattening of the roller is considered in the calculation process, and the flattening radius of the roller is +.>

And->

The specific calculation method of (a) is as follows:

；

。

step 318: judging rolling force

And->

Whether or not convergence condition is satisfied->

If not, recalculating the reduction ratio +.>

Resetting the upper roll radius required in the rolling force calculation process>

And lower roll

The operations of steps 306 to 315 are resumed until the convergence condition is satisfied.

This calculation

I.e. +.>

。

In the subsequent first cycle of calculation, the roll radius used in both step 307 and step 312 is calculated using the flattened roll radius, i.e., by

，/>

. Repeating the operations from step 306 to step 315, calculating 31 times again, meeting the convergence condition, stopping the cycle, wherein the variation of various process parameters in the cycle calculation process is shown in fig. 4 and 5, fig. 4 shows a cycle diagram of the rolling reduction and the outlet thickness according to the embodiment of the present application, and fig. 5 shows a cycle diagram of the rolling force and the flattening radius according to the embodiment of the present application.

Step 319: and circularly obtaining the rolling force of the hot rolled Q235 carbon steel and stainless steel composite plate during production.

。

Step 320: obtaining

And->

Optimal value +.>

And->

And->

。

Specifically, it may include:

；/>

。

fig. 6 shows a comparison chart of an outlet thickness model predicted value and a finite element method (Finite Element Method, FEM) calculated value provided in the embodiment of the present application, and fig. 7 shows a comparison chart of a rolling force model predicted value and a FEM calculated value provided in the embodiment of the present application, by which the comparison result can be obtained: the predicted outlet thicknesses of the Q235 carbon steel and the 304 stainless steel and the rolling force of the metal composite plate are matched with the FEM calculated value, the error of the outlet thickness of the Q235 carbon steel is within 6%, the error of the outlet thickness of the 304 stainless steel is within 10%, the error of the rolling force of the metal composite plate is within 10%, and the predicted thickness precision of the metal composite plate and each layer of the metal composite plate is higher, so that the method can be better applied to actual production.

Fig. 8 shows a schematic structural diagram of a metal composite plate rolling force and each layer thickness prediction device provided in an embodiment of the present application, and as shown in fig. 8, the metal composite plate rolling force and each layer thickness prediction device 400 includes:

a first determining module 401, configured to determine a composite plate rolling process parameter based on target pass rolling process specification data; wherein, the rolling technological parameters of the composite plate comprise the inlet thickness of the soft metal plate blank, the inlet thickness of the hard metal plate blank and the total thickness of the finished product;

a second determination module 402 for determining a total composite slab reduction based on the soft metal slab inlet thickness, the hard metal slab inlet thickness, and the finished product total thickness;

a third determining module 403, configured to determine a soft metal slab outlet thickness and a hard metal slab outlet thickness based on the soft metal slab rolling reduction after setting the composite slab total rolling reduction as a soft metal slab rolling reduction;

a fourth determination module 404 for determining a first rolling force for rolling a soft metal slab from the soft metal slab inlet thickness to the soft metal slab outlet thickness during rolling;

a fifth determination module 405 for determining a second rolling force for rolling a hard metal slab from the hard metal slab inlet thickness to the hard metal slab outlet thickness during rolling;

And a sixth determining module 406, configured to determine, when the deviation values of the first rolling force and the second rolling force are within a preset deviation range, that the average rolling force of the first rolling force and the second rolling force is a target rolling force, the outlet thickness of the soft metal slab is a target outlet thickness of the soft metal slab, and the outlet thickness of the hard metal slab is a target outlet thickness of the hard metal slab.

In one possible implementation manner, the sixth determining module includes:

In one possible implementation manner, the third determining module includes:

In one possible implementation manner, the fourth determining module includes:

In one possible implementation manner, the fifth determining module includes:

In one possible implementation, the second determining submodule includes:

In summary, the device for predicting the rolling force and the thickness of each layer of the metal composite plate provided by the embodiment of the application predicts the rolling force and the thickness of each layer of the hot rolled metal composite plate, the obtained rolling force and thickness value of each layer are basically close to actual values, in the calculation process, various influences of technological parameters in the rolling process on the rolling process are comprehensively considered, the calculation precision is improved, simplicity and convenience are realized, and the prediction of the rolling force and the thickness of each layer of the carbon steel/stainless steel, titanium/stainless steel and magnesium/aluminum hot rolled composite plate under different rolling regulations can be accurately predicted, so that the precision of the thickness control of the composite plate is improved, and the product is better applied to actual production.

The device for predicting the rolling force and the thickness of each layer of the metal composite plate can realize the method for predicting the rolling force and the thickness of each layer of the metal composite plate shown in any one of figures 1-7, and is not repeated here.

The electronic device in the embodiment of the application may be an apparatus, or may be a component, an integrated circuit, or a chip in a terminal. The device may be a mobile electronic device or a non-mobile electronic device. By way of example, the mobile electronic device may be a cell phone, tablet computer, notebook computer, palm computer, vehicle-mounted electronic device, wearable device, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), netbook or personal digital assistant (personal digital assistant, PDA), etc., and the non-mobile electronic device may be a server, network attached storage (Network ATTached Storage, NAS), personal computer (personal computer, PC), television (TV), teller machine or self-service machine, etc., and the embodiments of the present application are not limited in particular.

The electronic device in the embodiment of the application may be a device having an operating system. The operating system may be an Android operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.

Fig. 9 shows a schematic hardware structure of an electronic device according to an embodiment of the present application. As shown in fig. 9, the electronic device 500 includes a processor 510.

As shown in FIG. 9, the processor 510 may be a general purpose central processing unit (central processing unit, CPU), microprocessor, application-specific integrated circuit (ASIC), or one or more integrated circuits for controlling the execution of the programs of the present application.

As shown in fig. 9, the electronic device 500 may further include a communication line 540. Communication line 540 may include a pathway to transfer information between the aforementioned components.

Optionally, as shown in fig. 9, the electronic device may further include a communication interface 520. The communication interface 520 may be one or more. Communication interface 520 may use any transceiver-like device for communicating with other devices or communication networks.

Optionally, as shown in fig. 9, the electronic device may further comprise a memory 530. The memory 530 is used for storing computer-executable instructions for performing aspects of the present application, and is controlled by the processor for execution. The processor is configured to execute computer-executable instructions stored in the memory, thereby implementing the method provided in the embodiments of the present application.

As shown in fig. 9, the memory 530 may be a read-only memory (ROM) or other type of static storage device that can store static information and instructions, a random access memory (random access memory, RAM) or other type of dynamic storage device that can store information and instructions, or an electrically erasable programmable read-only memory (electrically erasable programmable read-only memory, EEPROM), a compact disc (compact disc read-only memory, CD-ROM) or other optical disk storage, optical disk storage (including compact disc, laser disc, optical disc, digital versatile disc, blu-ray disc, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited thereto. Memory 530 may be separate and coupled to processor 510 via communication line 540. Memory 530 may also be integrated with processor 510.

Alternatively, the computer-executable instructions in the embodiments of the present application may be referred to as application program codes, which are not specifically limited in the embodiments of the present application.

In a specific implementation, as one embodiment, as shown in FIG. 9, processor 510 may include one or more CPUs, such as CPU0 and CPU1 in FIG. 9.

In a specific implementation, as an embodiment, as shown in fig. 9, the terminal device may include a plurality of processors, such as the processors in fig. 9. Each of these processors may be a single-core processor or a multi-core processor.

Fig. 10 is a schematic structural diagram of a chip according to an embodiment of the present application. As shown in fig. 10, the chip 600 includes one or more (including two) processors 510.

Optionally, as shown in fig. 10, the chip further includes a communication interface 520 and a memory 530, and the memory 530 may include a read-only memory and a random access memory, and provides operation instructions and data to the processor. A portion of the memory may also include non-volatile random access memory (non-volatile random access memory, NVRAM).

In some embodiments, as shown in FIG. 10, memory 530 stores elements, execution modules or data structures, or a subset thereof, or an extended set thereof.

In the embodiment of the present application, as shown in fig. 10, by calling an operation instruction stored in the memory (the operation instruction may be stored in the operating system), a corresponding operation is performed.

As shown in fig. 10, the processor 510 controls the processing operation of any one of the terminal devices, and the processor 510 may also be referred to as a central processing unit (central processing unit, CPU).

As shown in fig. 10, memory 530 may include read only memory and random access memory, and provides instructions and data to the processor. A portion of the memory 530 may also include NVRAM. Such as a memory, a communication interface, and a memory coupled together by a bus system that may include a power bus, a control bus, a status signal bus, etc., in addition to a data bus. But for clarity of illustration, the various buses are labeled as bus system 640 in fig. 10.

As shown in fig. 10, the method disclosed in the embodiment of the present application may be applied to a processor or implemented by a processor. The processor may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or by instructions in the form of software. The processor may be a general purpose processor, a digital signal processor (digital signal processing, DSP), an ASIC, a field-programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the embodiments of the present application may be embodied directly in hardware, in a decoded processor, or in a combination of hardware and software modules in a decoded processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor reads the information in the memory and, in combination with its hardware, performs the steps of the above method.

In one aspect, a computer readable storage medium is provided, in which instructions are stored, which when executed, implement the functions performed by the terminal device in the above embodiments.

In one aspect, a chip is provided for use in a terminal device, the chip including at least one processor and a communication interface coupled to the at least one processor, the processor configured to execute instructions to implement the functions performed by the metal clad plate rolling force and thickness prediction methods in the above embodiments.

In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer programs or instructions. When the computer program or instructions are loaded and executed on a computer, the processes or functions described in the embodiments of the present application are performed in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, a terminal, a user equipment, or other programmable apparatus. The computer program or instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer program or instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center by wired or wireless means. The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that integrates one or more available media. The usable medium may be a magnetic medium, e.g., floppy disk, hard disk, tape; optical media, such as digital video discs (digital video disc, DVD); but also semiconductor media such as solid state disks (solid state drive, SSD).

Although the present application has been described herein in connection with various embodiments, other variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed application, from a review of the figures, the disclosure, and the appended claims. In the claims, the word "comprising" does not exclude other elements or steps, and the "a" or "an" does not exclude a plurality. A single processor or other unit may fulfill the functions of several items recited in the claims. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage.

Although the present application has been described in connection with specific features and embodiments thereof, it will be apparent that various modifications and combinations can be made without departing from the spirit and scope of the application. Accordingly, the specification and drawings are merely exemplary illustrations of the present application as defined in the appended claims and are considered to cover any and all modifications, variations, combinations, or equivalents that fall within the scope of the present application. It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to include such modifications and variations as well.

Claims

1. A method for predicting rolling force and thickness of each layer of a metal composite plate, the method comprising:

2. The method of predicting rolling force and thickness of each layer of a metal composite plate according to claim 1, wherein determining an average rolling force of the first rolling force and the second rolling force as a target rolling force when the deviation value of the first rolling force and the second rolling force is within a preset deviation range, wherein the soft metal slab outlet thickness is a soft metal slab target outlet thickness, and wherein the hard metal slab outlet thickness is a hard metal slab target outlet thickness, comprises:

3. The method for predicting rolling force and thickness of each layer of a metal composite sheet according to claim 1, wherein after setting the total rolling reduction of the composite sheet billet as a soft metal sheet billet rolling reduction, determining a soft metal sheet billet outlet thickness and a hard metal sheet billet outlet thickness based on the soft metal sheet billet rolling reduction comprises:

4. The method of predicting rolling force and thickness of each layer of a metal clad plate as recited in claim 1, wherein said determining a first rolling force to roll a soft metal blank from an inlet thickness of the soft metal blank to an outlet thickness of the soft metal blank during rolling comprises:

5. The metal composite plate rolling force and thickness prediction method according to claim 1, wherein the determining a second rolling force to roll a hard metal slab from the hard metal slab inlet thickness to the hard metal slab outlet thickness in rolling comprises:

6. The method for predicting rolling force and thickness of each layer of metal composite plate according to claim 2, wherein before updating the soft metal blank rolling reduction when the deviation value of the first rolling force and the second rolling force is not within a preset deviation range, further comprising:

7. The method of claim 6, wherein determining a first rolling force to roll a soft metal sheet blank from the soft metal sheet blank inlet thickness to the current soft metal sheet blank outlet thickness during rolling comprises:

8. The metal composite sheet rolling force and thickness prediction method according to claim 6, wherein the determining a second rolling force to roll a hard metal slab from the hard metal slab inlet thickness to the current hard metal slab outlet thickness during rolling comprises:

9. A metal composite plate rolling force and thickness prediction apparatus, characterized in that the apparatus comprises:

10. An electronic device, comprising: one or more processors; and one or more machine readable media having instructions stored thereon that, when executed by the one or more processors, cause performance of the metal clad plate rolling force and layer thickness prediction method of any of claims 1 to 8.