CN114089689A - Constant torque milling control method, device, equipment and storage medium for plate and strip materials - Google Patents
Constant torque milling control method, device, equipment and storage medium for plate and strip materials Download PDFInfo
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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Abstract
The invention relates to a constant torque milling control method, a constant torque milling control device, constant torque milling control equipment and a storage medium for plates and strips, wherein the method comprises the following steps: acquiring the actual train speed of the plate and strip and the torque limit value of the machine tool; adjusting the side milling cutter adjustment amount to be a first side milling cutter adjustment amount according to the proportional relation between the preset side milling cutter adjustment amount and the train speed; acquiring a position mark of the plate and strip material, and adjusting the position mark to a second side milling cutter adjustment amount corresponding to the position mark; determining the side milling cutter adjusting amount as a third side milling cutter adjusting amount according to the torque limit value; and milling the plate strip according to the first side milling cutter adjusting amount, the second side milling cutter adjusting amount or the third side milling cutter adjusting amount. The constant-torque milling control method, the constant-torque milling control device, the constant-torque milling control equipment and the storage medium for the plate and strip materials can realize the whole-process automation of the milling of the plate and strip materials, can prevent equipment faults caused by overlarge milling amount, and can also prevent the milling of edges caused by overlong milling amount to cause the re-milling of the whole coil materials.
Description
Technical Field
The invention relates to the field of numerical control machining methods, in particular to a constant-torque milling control method, a constant-torque milling control device, constant-torque milling control equipment and a constant-torque milling control storage medium for plates and strips.
Background
The original design of the side milling cutter is constant-width profile milling, and the position of the material edge is measured by a profile roller in front of the side milling cutter, so that the positions of the milling cutter on the operation side and the transmission side are synchronously adjusted, and the width is always fixed for milling. The technology needs to frequently and manually adjust the tool spacing on two sides in the running process of the train to control the milling amount, and has complex operation and low efficiency.
In addition, if the incoming material width of the previous hot rolling process fluctuates, manual adjustment cannot be performed in time, so that the edge milling cutter blade or the cutter head is damaged, or equipment faults such as shaft breakage of an edge milling motor and the like occur, or the whole coil material is milled again due to milling missing. Obviously, in continuous hot rolling operations, it is difficult to control the width of the resulting strip to be uniform, a phenomenon which frequently occurs. Moreover, the tail of the plate strip leaves the uncoiler and then loses the deviation rectifying function, or the tail of the material head and the tail of the previous hot rolling procedure have the problem of side bending, so that the tail of the material deviates from the central line of the train and is difficult to deal with, and the milling of the tail of the material head and the tail can only be abandoned, so that the final yield is low.
Disclosure of Invention
In view of the above, there is a need to provide a constant torque milling control method, device, equipment and storage medium for plate and strip materials, which address at least one of the above-mentioned problems.
In a first aspect, the present application provides a constant torque milling control method for a plate and a strip, comprising the following steps:
acquiring the actual train speed of the plate and strip and the torque limit value of the machine tool;
adjusting the side milling cutter adjustment amount to be a first side milling cutter adjustment amount according to the proportional relation between the preset side milling cutter adjustment amount and the train speed;
acquiring a position mark of the plate and strip material, and adjusting the position mark to a second side milling cutter adjustment amount corresponding to the position mark;
determining the side milling cutter adjusting amount as a third side milling cutter adjusting amount according to the torque limit value;
and milling the plate and strip according to the first side milling cutter adjusting amount, the second side milling cutter adjusting amount or the third side milling cutter adjusting amount.
In certain implementations of the first aspect, the step of obtaining the position mark of the sheet band further comprises:
acquiring an actual torque value and a set torque value of the edge milling cutter;
and comparing the actual torque value with a set torque value of the edge milling cutter, and determining the milling cutter position set value of the edge milling cutter according to the actual position value of the edge milling cutter and the first edge milling cutter adjustment amount or according to the actual position value of the edge milling cutter and the second edge milling cutter adjustment amount.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the step of determining a milling cutter position set value of the edge milling cutter according to the actual position value of the edge milling cutter and the first edge milling set value specifically includes:
the position marker is not acquired;
if the actual torque value is smaller than the set torque value, subtracting a numerical value corresponding to the first side milling cutter adjustment amount from the actual position value of the side milling cutter, and determining the numerical value as the given position value of the side milling cutter;
and if the actual torque value is larger than the set torque value and smaller than the set torque limit value, adding a numerical value corresponding to the first side milling cutter adjustment amount to the actual position value of the side milling cutter, and determining the actual position value as the given position value of the side milling cutter.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the step of determining a milling cutter position set value of the edge milling cutter according to the actual position value of the edge milling cutter and the second edge milling turning amount specifically includes:
acquiring the position mark;
if the actual torque value is smaller than the set torque value, subtracting a numerical value corresponding to the second edge milling cutter adjustment amount from the actual position value of the edge milling cutter to determine the actual position value as the given position value of the edge milling cutter;
and if the actual torque value is larger than the set torque value and smaller than the set torque limit value, adding a numerical value corresponding to the second side milling cutter adjustment amount to the actual position value of the side milling cutter, and determining the actual position value as the given position value of the side milling cutter.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the step of obtaining the position mark of the plate and strip material further includes:
and if the actual value of the torque is greater than the set limit value of the torque, adding a numerical value corresponding to the third side milling cutter adjustment amount to the actual value of the position of the side milling cutter to determine the actual value of the position of the side milling cutter as the given value of the position of the side milling cutter.
In a second aspect, the present invention provides a constant torque milling control device for plates and strips, comprising:
the acquisition module is used for acquiring the actual train speed of the plate and strip and the torque limit value of the machine tool;
the adjusting module is used for adjusting the side milling cutter adjusting amount to be a first side milling cutter adjusting amount according to the proportional relation between the preset side milling cutter adjusting amount and the train speed; acquiring a position mark of the plate and strip material, and adjusting the position mark to a second side milling cutter adjustment amount corresponding to the position mark; determining the side milling cutter adjusting amount as a third side milling cutter adjusting amount according to the torque limit value;
and the execution module is used for milling the plate and strip according to the first side milling cutter adjusting amount, the second side milling cutter adjusting amount or the third side milling cutter adjusting amount.
In certain implementations of the second aspect, the step of obtaining the position mark of the sheet and strip material by the adjustment module further includes:
acquiring an actual torque value and a set torque value of the edge milling cutter;
and comparing the actual torque value with a set torque value of the edge milling cutter, and determining the milling cutter position set value of the edge milling cutter according to the actual position value of the edge milling cutter and the first edge milling cutter adjustment amount or according to the actual position value of the edge milling cutter and the second edge milling cutter adjustment amount.
In a third aspect, the present invention also provides a constant torque milling control device for plate and strip materials, including:
a processor;
a memory electrically connected with the processor;
at least one program stored in the memory and configured to be executed by the processor, the at least one program configured to: the method for controlling constant-torque milling of a plate strip as described in the first aspect of the present application is implemented.
In a fourth aspect, the present application further provides a computer-readable storage medium, on which a computer program is stored, which, when executed by an electronic device, implements the method for constant torque milling control of a strip of plates and strips as described in the first aspect of the present application.
The technical scheme provided in the embodiment of the invention has the following beneficial technical effects:
the method, the device, the equipment and the storage medium for controlling the constant-torque milling of the plate and strip materials do not need manual operation, can realize the whole-process automation of the milling of the plate and strip materials, are convenient and reliable, can prevent equipment faults caused by overlarge milling quantity, effectively ensure the safety of the equipment, can also prevent the whole roll of materials from being milled again due to edge missing due to the overlarge milling quantity, can normally mill the material head and the material tail, and improve the yield.
Additional aspects and advantages of the present invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic flow chart of a constant torque milling control method for a plate and strip material according to an embodiment of the present invention;
FIG. 2 is a schematic structural framework of a constant torque milling control device for a plate and strip material according to an embodiment of the present invention;
fig. 3 is a schematic structural framework of a constant torque milling control device for a plate and strip material in one embodiment of the invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Possible embodiments of the invention are given in the figures. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein by the accompanying drawings. The embodiments described by way of reference to the drawings are illustrative for the purpose of providing a more thorough understanding of the present disclosure and are not to be construed as limiting the present invention. Furthermore, if a detailed description of known technologies is not necessary for illustrating the features of the present invention, such technical details may be omitted.
It will be understood by those skilled in the relevant art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It is to be understood that the term "and/or" as used herein is intended to include all or any and all combinations of one or more of the associated listed items.
The technical solution of the present invention and how to solve the above technical problems will be described in detail with specific examples.
The embodiment of the first aspect of the present application provides a constant torque milling control method for plates and strips, as shown in fig. 1, comprising the following steps:
s100: the actual train speed of the strip and the torque limit of the machine are obtained.
S200: and adjusting the side milling cutter adjustment amount to be the first side milling cutter adjustment amount according to the proportional relation between the preset side milling cutter adjustment amount and the train speed.
S300: and acquiring the position mark of the plate and strip material, and adjusting the position mark to a second side milling cutter adjustment amount corresponding to the position mark. The position mark is determined manually, and is marked on the plate strip by adopting a standard mode, usually, the position of the head part and the position of the tail part of the plate strip are marked, and the specific position is determined according to empirical data.
S400: and determining the side milling cutter adjusting amount as a third side milling cutter adjusting amount according to the torque limit value. The torque limit value of the machine tool is a determined value, and parameters corresponding to the torque limit value are specifically determined according to parameters such as the type, thickness and the like of the plate and strip.
S500: and milling the plate strip according to the first side milling cutter adjusting amount, the second side milling cutter adjusting amount or the third side milling cutter adjusting amount. And according to the specific position of the plate and strip, selecting at least one side milling cutter adjustment amount to automatically mill the plate and strip without manual supervision and adjustment.
The constant-torque milling control method for the plate and strip materials, provided by the invention, does not need manual operation, can realize automatic, convenient and reliable whole milling process of the plate and strip materials, can prevent equipment faults caused by overlarge milling amount, effectively ensures the safety of equipment, can also prevent the whole coil materials from being re-milled due to edge milling missing caused by the overlarge milling amount, can normally mill the material head and the material tail, and improves the yield.
Optionally, in the step, the step of obtaining the position mark of the plate and strip material further includes: acquiring an actual torque value and a set torque value of the edge milling cutter; and comparing the actual torque value with a set torque value of the edge milling cutter, and determining the milling cutter position set value of the edge milling cutter according to the actual position value of the edge milling cutter and the first edge milling cutter adjustment amount or according to the actual position value of the edge milling cutter and the second edge milling cutter adjustment amount.
Optionally, in some specific implementation manners of the above embodiments, the step of determining the given value of the milling cutter position of the edge milling cutter according to the actual value of the position of the edge milling cutter and the first edge milling adjustment amount specifically includes:
if the actual value of the torque is smaller than the set value of the torque, subtracting a value corresponding to the first side milling cutter adjustment amount from the actual value of the position of the side milling cutter, and determining the value as the given value of the side milling cutter position; and if the actual torque value is larger than the set torque value and smaller than the set torque limit value, adding a numerical value corresponding to the first side milling cutter adjustment amount to the actual position value of the side milling cutter to determine the actual position value as the given position value of the side milling cutter.
Optionally, the step of determining the given value of the milling cutter position of the edge milling cutter according to the actual value of the position of the edge milling cutter and the second edge milling cutter adjustment amount specifically includes:
and acquiring a position mark. Under the condition of acquiring the position mark, namely when the head or the tail of the plate strip is machined, if the actual torque value is smaller than the set torque value, subtracting a value corresponding to the second side milling cutter adjustment amount from the actual position value of the side milling cutter to determine the value as the given side milling cutter position value; and if the actual value of the torque is larger than the set value of the torque and smaller than the set limit value of the torque, adding a value corresponding to the second side milling cutter adjustment amount to the actual value of the position of the side milling cutter to determine the position given value of the side milling cutter.
Optionally, the step of obtaining the position mark of the plate and strip material further includes: and if the actual value of the torque is greater than the set limit value of the torque, adding the actual value of the position of the side milling cutter to a value corresponding to the third side milling cutter adjustment amount to determine the position given value of the side milling cutter.
During actual work, the set torque of the side milling cutter is input on an operation interface of the numerical control machine according to the milling amount requirement, a set torque value is given, a constant-torque milling mode is started, the side milling cutter automatically adjusts the cutter position in real time according to the set torque value and the actual torque value of a milling cutter motor, and therefore automatic control of the milling amount is achieved:
condition 1, side milling constant torque milling control mode enabling condition: the method comprises the steps of detecting the existence of materials by a photoelectric switch in a side milling machine frame under the conventional conditions (including the contents of controlling the start of a power supply, operating a side milling cutter and the like), setting the speed of a machine line to be not 0, and selecting constant-torque milling on an operation interface.
And 2, setting a conventional tool setting amount, namely setting the tool setting amount of the first edge milling: the conventional cutter adjusting amount of the edge milling machine is in a direct proportional relation with the machine speed, and the actual machine speed of the plate and strip is obtained by monitoring equipment in real time when the machine speed is higher. The larger the cutter adjusting amount is, the faster the cutter advancing and retreating speed is. For example, a factor of 0.04 is given here, and a conventional amount of adjustment of 10 × 0.04 to 0.4mm when the actual train speed is 10m/min prevents a change in milling amount due to a change in speed during milling.
Condition 3, marking the head and tail of the plate strip: the head and tail are marked by using the original length measurement data of the equipment (for example, the head 5 m or the tail 5 m of the plate and strip materials are marked). The method is characterized in that a large cutter adjusting amount, namely a second side milling cutter adjusting amount, is marked and separately given in a later procedure for solving the problems of the stub bar and the tail side bending of the previous hot rolling procedure.
Condition 4, torque limit value is set: a torque limit value is set (the rated parameters of the equipment can also be used), for example, the torque set value is added with 10 to be the torque limit value, a large tool withdrawal amount, namely a third side milling tool adjusting amount is separately given in a later program, and the large tool withdrawal amount is called when the torque is larger than the limit value, so that the equipment loss caused by the overlarge milling amount is prevented.
Automatic cutter adjustment procedure at the transmission side: the constant torque milling control takes effect if the enabling conditions are met.
And under the condition of no material head and tail marks, comparing the actual torque value of the edge milling cutter with the set torque value, and adding the conventional cutter adjusting amount (first edge milling cutter adjusting amount) set by a previous program to the actual milling cutter position value when the actual torque value of the edge milling cutter is larger than the set torque value and smaller than a limit value, thereby setting the value as the given milling cutter position value (the actual milling cutter position value is reduced into feed, and the actual value is increased into retreat). And when the actual torque value is smaller than the set torque value, subtracting a value corresponding to the conventional tool setting amount set by the previous program from the actual milling cutter position value, and determining the value as the given milling cutter position value.
And under the condition that the head and tail marks exist, comparing the actual torque value of the edge milling cutter with the set torque value, and when the actual torque value is larger than the set torque value and smaller than the limit value, adding the actual position value of the milling cutter with the set tool adjusting amount in the condition 3 to obtain the given position value of the milling cutter. And when the actual torque value of the edge milling cutter is smaller than the set torque value, subtracting the set tool adjusting amount in the condition 3 from the actual milling cutter position value, and determining the milling cutter position given value.
And if the actual value of the torque of the side milling cutter is larger than the torque limit value, adding the actual value of the position of the milling cutter to the set tool adjusting amount in the condition 4 to determine the given value of the position of the milling cutter.
Automatic cutter adjustment program at the operation side: as with the drive side.
And finally, calling the given values of the positions of the transmission side milling cutter and the operation side milling cutter calculated by the program at a fixed frequency (for example, once every 0.2S) by using the original main program of the equipment to give an instruction to the frequency converter of the side milling cutter position adjusting motor so as to realize the change of the position of the side milling cutter.
According to a second aspect of the present application, a constant torque milling control device 10 for a plate and strip material is provided, as shown in fig. 2, and includes an obtaining module 11, an adjusting module 12 and an executing module 13. The acquisition module 11 is used to acquire the actual train speed of the strip and the torque limit value of the machine tool. The adjusting module 12 is configured to adjust the side milling cutter adjustment amount to a first side milling cutter adjustment amount according to a proportional relationship between a preset side milling cutter adjustment amount and a train speed; acquiring a position mark of the plate and strip material, and adjusting the position mark to a second side milling cutter adjustment amount corresponding to the position mark; and determining the side milling cutter adjusting amount as a third side milling cutter adjusting amount according to the torque limit value. The execution module 13 is configured to mill the plate and strip material according to the first side milling cutter adjustment amount, the second side milling cutter adjustment amount, or the third side milling cutter adjustment amount.
Optionally, the step of acquiring the position mark of the plate and strip material by the adjusting module 12 further includes: acquiring an actual torque value and a set torque value of the edge milling cutter; and comparing the actual torque value with a set torque value of the edge milling cutter, and determining the milling cutter position set value of the edge milling cutter according to the actual position value of the edge milling cutter and the first edge milling cutter adjustment amount or according to the actual position value of the edge milling cutter and the second edge milling cutter adjustment amount.
Based on the same inventive concept, the third aspect of the present application further provides a constant torque milling control device for plates and strips, comprising:
a processor;
a memory electrically connected to the processor;
at least one program stored in the memory and configured to be executed by the processor, the at least one program configured to: the method for controlling constant-torque milling of a plate strip as described in the first aspect of the present application is implemented.
It will be appreciated by those skilled in the art that the constant torque milling control apparatus for plate and strip material provided by the embodiments of the present invention may be specially designed and manufactured for the required purposes, or may also include known apparatus in general purpose computers. These devices have stored therein computer programs that are selectively activated or reconfigured. Such a computer program may be stored in a device (e.g., computer) readable medium or in any type of medium suitable for storing electronic instructions and respectively coupled to a bus.
The invention provides a constant torque milling control device for a plate strip in an alternative embodiment, as shown in fig. 3, the constant torque milling control device 1000 for the plate strip shown in fig. 3 comprises: a processor 1001 and a memory 1003. The processor 1001 and the memory 1003 are electrically coupled, such as by a bus 1002.
The Processor 1001 may be a CPU (Central Processing Unit), a general-purpose Processor, a DSP (Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array) or other Programmable logic device, a transistor logic device, a hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor 1001 may also be a combination of computing functions, e.g., comprising one or more microprocessors, DSPs and microprocessors, and the like.
The Memory 1003 may be a ROM (Read-Only Memory) or other type of static storage device that can store static information and instructions, a RAM (random access Memory) or other type of dynamic storage device that can store information and instructions, an EEPROM (Electrically Erasable Programmable Read-Only Memory), a CD-ROM (Compact Disc Read-Only Memory) or other optical Disc storage, optical Disc storage (including Compact Disc, laser Disc, optical Disc, digital versatile Disc, blu-ray Disc, etc.), a magnetic Disc storage medium or other magnetic storage device, 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 to these.
Optionally, the constant torque milling control apparatus 1000 of a strip of plate and strip may further comprise a transceiver 1004. The transceiver 1004 may be used for reception and transmission of signals. The transceiver 1004 may allow the constant torque milling control apparatus 1000 of a plate strip to communicate wirelessly or wiredly with other apparatuses to exchange data. It should be noted that the transceiver 1004 is not limited to one in practical application.
Optionally, the constant torque milling control apparatus 1000 of the plate strip may further include an input unit 1005. The input unit 1005 may be used to receive input numerical, character, image and/or sound information or to generate key signal inputs related to user setting and function control of the constant torque milling control apparatus 1000 for a plate and strip material. The input unit 1005 may include, but is not limited to, one or more of a touch screen, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, a camera, a microphone, and the like.
Optionally, the constant torque milling control apparatus 1000 of the plate strip may further include an output unit 1006. Output unit 1006 may be used to output or show information processed by processor 1001. The output unit 1006 may include, but is not limited to, one or more of a display device, a speaker, a vibration device, and the like.
While fig. 3 illustrates a constant torque milling control apparatus 1000 of a strip of plates having various arrangements, it is to be understood that not all of the illustrated arrangements are required to be implemented or provided. More or fewer devices may alternatively be implemented or provided.
Optionally, the memory 1003 is used for storing application program codes for implementing the present invention, and the processor 1001 controls the execution. The processor 1001 is configured to execute the application program code stored in the memory 1003 to implement any one of the methods for controlling constant torque milling of a plate strip according to the embodiments of the present invention.
Based on the same inventive concept, the fourth aspect of the present application further provides a computer-readable storage medium, on which a computer program is stored, which, when executed by an electronic device, implements the constant torque milling control method for a strip material as described in the first aspect of the present application.
Those of skill in the art will appreciate that the various operations, methods, steps in the processes, acts, or solutions discussed in this application can be interchanged, modified, combined, or eliminated. Further, other steps, measures, or schemes in various operations, methods, or flows that have been discussed in this application can be alternated, altered, rearranged, broken down, combined, or deleted. Further, steps, measures, schemes in the prior art having various operations, methods, procedures disclosed in the present application may also be alternated, modified, rearranged, decomposed, combined, or deleted.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of execution is not necessarily sequential, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (9)
1. A constant-torque milling control method for plates and strips is characterized by comprising the following steps:
acquiring the actual train speed of the plate and strip and the torque limit value of the machine tool;
adjusting the side milling cutter adjustment amount to be a first side milling cutter adjustment amount according to the proportional relation between the preset side milling cutter adjustment amount and the train speed;
acquiring a position mark of the plate and strip material, and adjusting the position mark to a second side milling cutter adjustment amount corresponding to the position mark;
determining the side milling cutter adjusting amount as a third side milling cutter adjusting amount according to the torque limit value;
and milling the plate and strip according to the first side milling cutter adjusting amount, the second side milling cutter adjusting amount or the third side milling cutter adjusting amount.
2. The method for controlling constant torque milling of a plate and strip material according to claim 1, wherein the step of obtaining the position marks of the plate and strip material further comprises:
acquiring an actual torque value and a set torque value of the edge milling cutter;
and comparing the actual torque value with a set torque value of the edge milling cutter, and determining the milling cutter position set value of the edge milling cutter according to the actual position value of the edge milling cutter and the first edge milling cutter adjustment amount or according to the actual position value of the edge milling cutter and the second edge milling cutter adjustment amount.
3. The method for controlling constant torque milling of a plate and strip according to claim 2, wherein the step of determining the given value of the milling cutter position of the edge milling cutter according to the actual value of the position of the edge milling cutter and the first edge milling adjustment amount comprises:
the position marker is not acquired;
if the actual torque value is smaller than the set torque value, subtracting a numerical value corresponding to the first side milling cutter adjustment amount from the actual position value of the side milling cutter, and determining the numerical value as the given position value of the side milling cutter;
and if the actual torque value is larger than the set torque value and smaller than the set torque limit value, adding a numerical value corresponding to the first side milling cutter adjustment amount to the actual position value of the side milling cutter, and determining the actual position value as the given position value of the side milling cutter.
4. The method for controlling constant torque milling of a plate and strip according to claim 2, wherein the step of determining the given value of the milling cutter position of the edge milling cutter according to the actual value of the position of the edge milling cutter and the second edge milling turning amount comprises:
acquiring the position mark;
if the actual torque value is smaller than the set torque value, subtracting a value corresponding to the second side milling cutter adjustment amount from the actual position value of the side milling cutter, and determining the value as the given position value of the side milling cutter;
and if the actual torque value is larger than the set torque value and smaller than the set torque limit value, adding a numerical value corresponding to the second side milling cutter adjustment amount to the actual position value of the side milling cutter, and determining the actual position value as the given position value of the side milling cutter.
5. The method for controlling constant torque milling of a plate and strip material according to claim 2, wherein the step of obtaining the position marks of the plate and strip material further comprises:
and if the actual value of the torque is greater than the set limit value of the torque, adding a numerical value corresponding to the third side milling cutter adjustment amount to the actual value of the position of the side milling cutter to determine the actual value of the position of the side milling cutter as the given value of the position of the side milling cutter.
6. A constant torque milling control device for plates and strips is characterized by comprising:
the acquisition module is used for acquiring the actual train speed of the plate and strip and the torque limit value of the machine tool;
the adjusting module is used for adjusting the side milling cutter adjusting amount to be a first side milling cutter adjusting amount according to the proportional relation between the preset side milling cutter adjusting amount and the train speed; acquiring a position mark of the plate and strip material, and adjusting the position mark to a second side milling cutter adjustment amount corresponding to the position mark; determining the side milling cutter adjusting amount as a third side milling cutter adjusting amount according to the torque limit value;
and the execution module is used for milling the plate and strip according to the first side milling cutter adjusting amount, the second side milling cutter adjusting amount or the third side milling cutter adjusting amount.
7. The constant torque milling control device for the plate and strip material according to claim 6, wherein the step of acquiring the position mark of the plate and strip material by the adjusting module further comprises:
acquiring an actual torque value and a set torque value of the edge milling cutter;
and comparing the actual torque value with a set torque value of the edge milling cutter, and determining the milling cutter position set value of the edge milling cutter according to the actual position value of the edge milling cutter and the first edge milling cutter adjustment amount or according to the actual position value of the edge milling cutter and the second edge milling cutter adjustment amount.
8. A constant torque milling control apparatus for a plate or strip, comprising:
a processor;
a memory electrically connected with the processor;
at least one program stored in the memory and configured to be executed by the processor, the at least one program configured to: a constant torque milling control method for realizing the plate and strip material according to any one of claims 1 to 5.
9. A computer-readable storage medium, on which a computer program is stored, the computer program being characterized in that it, when executed by an electronic device, implements a method for constant torque milling control of a sheet and strip material according to any one of claims 1 to 5.
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