CN114089689B - Constant torque milling control method, device, equipment and storage medium for plate and strip - Google Patents
Constant torque milling control method, device, equipment and storage medium for plate and strip Download PDFInfo
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- CN114089689B CN114089689B CN202111369892.9A CN202111369892A CN114089689B CN 114089689 B CN114089689 B CN 114089689B CN 202111369892 A CN202111369892 A CN 202111369892A CN 114089689 B CN114089689 B CN 114089689B
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- 238000003801 milling Methods 0.000 title claims abstract description 296
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000003860 storage Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000004590 computer program Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000005098 hot rolling Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013072 incoming material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000002093 peripheral effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31048—Project on workpiece, image of finished workpiece, info or a spot
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- Automatic Control Of Machine Tools (AREA)
Abstract
The invention relates to a constant torque milling control method, a device, equipment and a storage medium for a plate and strip, wherein the method comprises the following steps: acquiring the actual train speed of the plate strip and the torque limit value of a machine tool; according to the proportional relation between the preset edge milling cutter adjustment quantity and the machine column speed, the edge milling cutter adjustment quantity is adjusted to be a first edge milling cutter adjustment quantity; acquiring a position mark of the plate strip, and adjusting the position mark to a second side milling cutter adjustment amount corresponding to the position mark; according to the torque limit value, determining the edge milling cutter adjustment amount as a third edge milling cutter adjustment amount; and milling the plate strip according to the first side milling cutter adjustment amount, the second side milling cutter adjustment amount or the third side milling cutter adjustment amount. The constant torque milling control method, device, equipment and storage medium for the plate and strip provided by the invention can realize the whole-course automation of the milling of the plate and strip, can prevent equipment faults caused by overlarge milling quantity, and can also prevent the whole coil material from being re-milled caused by edge missing due to overlarge milling quantity.
Description
Technical Field
The invention relates to the field of numerical control machining methods, in particular to a constant torque milling control method, device, equipment and storage medium for plates and strips.
Background
The edge milling original design is constant-width profiling milling, and the position of a material edge is measured by using a profiling roller in front of the edge milling cutter, so that the positions of an operation side and a transmission side milling cutter are synchronously adjusted, and the width milling is always fixed. The technique needs to manually adjust the cutting distance at two sides frequently to control milling quantity in the running process of the machine train, has complex operation and low efficiency.
In addition, if the incoming material width of the previous hot rolling process fluctuates, the incoming material cannot be adjusted manually in time, so that the edge milling blade or the cutter head is damaged, or equipment faults such as broken shafts of an edge milling motor and the like can occur, or the condition of missing milling can occur to cause the re-milling of the whole coil material. Obviously, in continuous hot rolling operations, it is difficult to control the width of the strip obtained uniformly, which is a frequent occurrence. Furthermore, the deviation correcting function of the tail of the plate strip can be lost after the tail leaves the uncoiler, or the problem of lateral bending of the head and the tail of the previous hot rolling process can also be caused, the tail deviates from the center line of the machine line, the treatment is difficult, only the head and the tail can be abandoned and milled, and the final yield is low.
Disclosure of Invention
Based on this, it is necessary to provide a constant torque milling control method, device, apparatus and storage medium for a sheet and strip in view of at least one of the problems mentioned above.
In a first aspect, the present application provides a constant torque milling control method for a sheet and strip, including the steps of:
acquiring the actual train speed of the plate strip and the torque limit value of a machine tool;
according to the proportional relation between the preset edge milling cutter adjustment quantity and the machine column speed, the edge milling cutter adjustment quantity is adjusted to be a first edge milling cutter adjustment quantity;
acquiring a position mark of the plate strip, and adjusting the position mark to a second side milling cutter adjustment amount corresponding to the position mark;
determining the edge milling cutter adjustment amount as a third edge milling cutter adjustment amount according to the torque limit value;
and milling the plate strip according to the first side milling cutter adjustment amount, the second side milling cutter adjustment amount or the third side milling cutter adjustment amount.
In certain implementations of the first aspect, the step of obtaining the position mark of the sheet strip further includes:
acquiring a torque actual value and a torque set value of the edge milling cutter;
and comparing the actual torque value with a torque set value of the edge milling cutter, and 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 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 manner, in some implementation manners of the first aspect, the step of determining a milling cutter position given value of the edge milling cutter according to an actual position value of the edge milling cutter and the first edge milling cutter adjustment amount specifically includes:
the position mark is not acquired;
if the actual torque value is smaller than the torque set value, subtracting a value corresponding to the first side milling 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 torque set value and smaller than the torque set limit value, determining the actual position value of the edge milling cutter plus a value corresponding to the first edge milling cutter adjustment amount as the given position value of the edge milling cutter.
With reference to the first aspect and the foregoing implementation manner, in some implementation manners of the first aspect, the step of determining, according to an actual value of a position of the edge milling cutter and the second edge milling cutter adjustment amount, a given value of a milling cutter position of the edge milling cutter specifically includes:
acquiring the position mark;
if the actual torque value is smaller than the torque set value, subtracting a 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 edge milling cutter position set value;
and if the actual torque value is larger than the torque set value and smaller than the torque set limit value, determining the actual position value of the edge milling cutter plus a value corresponding to the second edge milling cutter adjustment amount as the given position value of the edge milling cutter.
With reference to the first aspect and the foregoing implementation manner, in some implementation manners of the first aspect, the step of obtaining a position mark of the sheet strip further includes:
and if the actual torque value is larger than the torque setting limit value, determining the actual position value of the edge milling cutter plus the value corresponding to the third edge milling cutter adjusting amount as the position given value of the edge milling cutter.
In a second aspect, the present application provides a constant torque milling control device for a sheet and strip, including:
the acquisition module is used for acquiring the actual machine train speed of the plate strip and the torque limit value of the machine tool;
the adjusting module is used for adjusting the edge milling cutter adjusting quantity to be the first edge milling cutter adjusting quantity according to the proportional relation between the preset edge milling cutter adjusting quantity and the machine array speed; acquiring a position mark of the plate strip, and adjusting the position mark to a second side milling cutter adjustment amount corresponding to the position mark; determining the edge milling cutter adjustment amount as a third edge milling cutter adjustment amount according to the torque limit value;
and the execution module is used for milling the plate strip according to the first side milling cutter adjustment amount, the second side milling cutter adjustment amount or the third side milling cutter adjustment amount.
In certain implementations of the second aspect, the step of obtaining the position mark of the plate strip by the adjustment module further includes:
acquiring a torque actual value and a torque set value of the edge milling cutter;
and comparing the actual torque value with a torque set value of the edge milling cutter, and 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 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 application further provides a constant torque milling control device for a plate and strip, including:
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: a constant torque milling control method of a plate strip material as described in the first aspect of the application is realized.
In a fourth aspect, the present application further provides a computer-readable storage medium having stored thereon a computer program which, when executed by an electronic device, implements a method for controlling constant torque milling of a sheet strip as described in the first aspect of the present application.
The technical scheme provided by the embodiment of the invention has the following beneficial technical effects:
the constant torque milling control method, the device, the equipment and the storage medium for the plate and strip provided by the invention do not need manual operation, can realize the whole process of plate and strip milling, are convenient and reliable, can also prevent equipment faults caused by overlarge milling quantity, effectively ensure equipment safety, can also prevent the whole coil material from being re-milled due to edge missing milling caused by overlarge milling quantity, can normally mill the head and the tail of the material, and improve the yield.
Additional aspects and advantages of the present application will be set forth in part 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 flow chart of a constant torque milling control method for a strip in accordance with an embodiment of the present invention;
FIG. 2 is a schematic structural frame diagram of a constant torque milling control device for a sheet strip in accordance with an embodiment of the present invention;
fig. 3 is a schematic structural frame diagram of a constant torque milling control apparatus for plate and strip according to an embodiment of the present invention.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The figures show possible embodiments of the invention. This invention may, however, be embodied in many different forms and is not limited to the embodiments described herein with reference to the accompanying drawings. The embodiments described by reference to the drawings are exemplary for a more thorough understanding of the present disclosure and should not be construed as limiting the present invention. Furthermore, if detailed descriptions of known techniques are unnecessary for the illustrated features of the present invention, such technical details may be omitted.
It will be understood by those skilled in the relevant art that 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 unless defined otherwise. 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 expressly stated otherwise, as understood by those skilled in the art. 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 should be understood that the term "and/or" as used herein includes all or any element and all combination of one or more of the associated listed items.
The following describes the technical solution of the present invention and how the technical solution solves the technical problems described above with specific examples.
An embodiment of the first aspect of the present invention provides a method for controlling constant torque milling of a plate and strip, as shown in fig. 1, including the following steps:
s100: the actual train speed of the sheet and strip and the torque limit value of the machine tool are obtained.
S200: and adjusting the edge milling and adjusting quantity to be the first edge milling and adjusting quantity according to the proportional relation between the preset edge milling and adjusting quantity and the machine row speed.
S300: and obtaining the position mark of the plate strip, and adjusting the position mark to the second side milling cutter adjusting amount corresponding to the position mark. The position marks are manually determined, are marked on the sheet material in a standard pattern, are usually marked on the head position and the tail position of the sheet material, and the specific positions are determined according to empirical data.
S400: and determining the edge milling cutter adjustment amount as a third edge milling cutter adjustment amount according to the torque limit value. The torque limit value of the machine tool is a determined value, and the parameters corresponding to the torque limit value of the edge milling cutter adjusting amount are specifically determined according to the parameters such as the model, the thickness and the like of the plate and the strip.
S500: and milling the plate strip according to the first side milling cutter adjustment amount, the second side milling cutter adjustment amount or the third side milling cutter adjustment amount. And according to the specific position of the plate strip, selecting at least one side milling cutter adjustment amount to automatically mill the plate strip without manual supervision and adjustment.
The constant torque milling control method for the plate and strip provided by the invention does not need manual operation, can realize full-process automation of milling of the plate and strip, is convenient and reliable, can also prevent equipment faults caused by overlarge milling quantity, effectively ensures equipment safety, can also prevent the whole coil material from being re-milled due to edge missing caused by overlarge milling quantity, 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 strip specifically further includes: acquiring a torque actual value and a torque set value of the edge milling cutter; and comparing the actual torque value with the torque set value of the edge milling cutter, and 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 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 implementations of the foregoing embodiments, the step of determining the milling cutter position given value of the edge milling cutter according to the position actual value of the edge milling cutter and the first edge milling cutter adjustment amount specifically includes:
when the position mark is not obtained, namely when the equipment does not detect the position mark set on the plate strip, the middle section position of the plate strip is indicated to be processed, and at the moment, if the actual torque value is smaller than the set torque value, the value corresponding to the first edge milling cutter adjustment quantity is subtracted from the actual position value of the edge milling cutter, and the value is determined to be the set edge milling cutter position value; if the actual torque value is larger than the torque set value and smaller than the torque set limit value, determining the actual position value of the edge milling cutter plus a value corresponding to the first edge milling cutter adjusting amount as the given position value of the edge milling cutter.
Optionally, the step of determining the milling cutter position given value of the edge milling cutter according to the position actual value of the edge milling cutter and the second edge milling cutter adjustment amount specifically includes:
the position mark is acquired. Under the condition that the position mark is obtained, namely when the head or the tail of the plate strip is processed, if the actual torque value is smaller than the set torque value, subtracting a value corresponding to the second edge milling cutter adjustment amount from the actual position value of the edge milling cutter, and determining the value as the set edge milling cutter position value; if the actual torque value is larger than the torque set value and smaller than the torque set limit value, determining the actual position value of the edge milling cutter plus a value corresponding to the second edge milling cutter regulating amount as the given position value of the edge milling cutter.
Optionally, the step of obtaining the position mark of the plate strip further includes: if the actual torque value is larger than the torque setting limit value, determining the actual position value of the edge milling cutter plus a numerical value corresponding to the third edge milling cutter adjusting amount as the given position value of the edge milling cutter.
When the automatic milling device works actually, the set torque of the edge milling cutter is input on the operation interface of the numerical control machine according to the milling quantity requirement, a torque set value is given, a constant torque milling mode is started, the edge milling cutter automatically adjusts the cutter position in real time according to the torque set value and the actual torque value of the milling cutter motor, and therefore automatic control of the milling quantity is achieved:
condition 1, side milling constant torque milling control mode enabling condition: the method comprises the steps of conventional conditions (including the contents of controlling the power supply to start, running the edge milling cutter and the like), detecting that materials exist by a photoelectric switch in an edge milling machine frame, detecting that the machine train speed is not 0, and selecting constant torque milling at an operation interface.
And 2, setting a conventional cutter adjustment amount, namely a first side milling cutter adjustment amount: the conventional edge milling cutter adjustment amount is in direct proportion to the machine line speed, and the actual machine line speed of the plate strip is obtained by monitoring equipment in real time as the machine line speed is higher. The larger the cutter adjustment amount is, the faster the cutter advancing and retracting speed is. For example, the coefficient given here is 0.04, and the conventional cutter setting amount is 10×0.04=0.4 mm when the actual machine line speed is 10m/min, which prevents the milling amount from changing due to the speed change during milling.
Condition 3, marking the head and tail of the plate strip: the stub bar ends are marked using the original length measurement data of the apparatus (e.g., the first 5 meters or the last 5 meters of the sheet strip). The method aims at solving the problems of head and tail lateral bending of the previous hot rolling process, marks and gives a larger turning amount, namely a second side milling turning amount, independently in a later process.
Condition 4, torque limit value is set: a torque limit value (the nominal parameter of the device itself can also be used), for example, the torque set value is increased by 10 to be defined as the torque limit value, a large tool withdrawal amount, namely a third side milling adjustment amount, is independently set in the later program, and when the torque is larger than the limit value, the device loss caused by the excessive milling amount is prevented.
Automatic cutter adjusting program at transmission side: in case the enabling conditions are met, the constant torque milling control takes effect.
When the torque actual value of the edge milling cutter is greater than the set value and less than the limit value, the conventional turning amount (first edge milling turning amount) set by the previous program is added to the actual value of the milling cutter position, and the actual value of the milling cutter position is set to the given value of the milling cutter position (the actual value of the milling cutter position becomes smaller to feed and the actual value becomes larger to retract). When the actual torque value is smaller than the set torque value, subtracting a numerical value corresponding to the conventional cutter adjustment quantity set by a previous program from the actual milling cutter position value, and setting the numerical value as a given milling cutter position value.
And under the condition of the head and tail marks, comparing the actual torque value of the edge milling cutter with a torque set value, and when the actual torque value is larger than the set value and smaller than a limit value, adding the cutter adjustment quantity given in the condition 3 to the actual position value of the milling cutter to be defined as the set value of the position of the milling cutter. When the actual torque value of the edge milling cutter is smaller than the torque set value, subtracting the cutter adjustment amount given in the condition 3 from the actual position value of the milling cutter to obtain the given value of the position of the milling cutter.
If the actual value of the torque of the edge milling cutter is larger than the torque limit value, the actual value of the milling cutter position plus the cutter adjusting amount given in the condition 4 is set as the given value of the milling cutter position.
Operation side automatic tool setting program: the same as the transmission side.
Finally, the original main program of the equipment is used, the set values of the positions of the driving side milling cutter and the operating side milling cutter calculated by the program are called at a fixed frequency (for example, once every 0.2S), so as to give instructions to the position adjusting motor frequency converter of the side milling cutter, and the change of the position of the side milling cutter is realized.
In a second aspect of the present invention, a constant torque milling control device 10 for a plate and strip is provided, as shown in fig. 2, and includes an acquisition module 11, an adjustment module 12 and an execution module 13. The acquisition module 11 is used for acquiring the actual train speed of the plate strip and the torque limit value of the machine tool. The adjusting module 12 is configured to adjust the edge milling adjustment amount to be a first edge milling adjustment amount according to a proportional relationship between a preset edge milling adjustment amount and a machine column rate; acquiring a position mark of the plate strip, and adjusting the position mark to a second side milling cutter adjustment amount corresponding to the position mark; and determining the edge milling cutter adjustment amount as a third edge milling cutter adjustment amount according to the torque limit value. The execution module 13 is used for milling the plate strip according to the first side milling adjustment amount, the second side milling adjustment amount or the third side milling adjustment amount.
Optionally, the step of obtaining the position mark of the plate strip by the adjustment module 12 further includes: acquiring a torque actual value and a torque set value of the edge milling cutter; and comparing the actual torque value with the torque set value of the edge milling cutter, and 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 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 invention also provides a constant torque milling control device for a plate and strip, including:
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: a constant torque milling control method of a plate strip material as described in the first aspect of the application is realized.
It will be appreciated by those skilled in the art that the constant torque milling control apparatus for sheet and strip provided by embodiments of the present invention may be specially designed and manufactured for the desired purpose or may comprise known apparatus in general purpose computers. These devices have computer programs stored therein 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 coupled to a bus, respectively.
The present invention provides, in an alternative embodiment, a constant torque milling control apparatus for a plate strip, as shown in fig. 3, the constant torque milling control apparatus 1000 for a plate strip shown in fig. 3 includes: a processor 1001 and a memory 1003. Wherein the processor 1001 is electrically connected to the memory 1003, such as via a bus 1002.
The processor 1001 may be a CPU (Central Processing Unit ), general purpose processor, DSP (Digital Signal Processor, data signal processor), ASIC (Application Specific Integrated Circuit ), FPGA (Field-Programmable Gate Array, field programmable gate array) or other programmable logic device, transistor logic device, hardware component, or any combination thereof. Which may implement or perform the various exemplary logic blocks, modules and circuits described in connection with this disclosure. The processor 1001 may also be a combination that implements computing functionality, such as a combination comprising one or more microprocessors, a combination of a DSP and a microprocessor, or the like.
Bus 1002 may include a path to transfer information between the components. Bus 1002 may be a PCI (Peripheral Component Interconnect, peripheral component interconnect standard) bus, or EISA (Extended Industry Standard Architecture ) bus, among others. The bus 1002 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in fig. 3, but not only one bus or one type of bus.
The Memory 1003 may be, but is not limited to, ROM (Read-Only Memory) or other type of static storage device that can store static information and instructions, RAM (random access Memory ) or other type of dynamic storage device that can store information and instructions, EEPROM (Electrically Erasable Programmable Read Only Memory, electrically erasable programmable Read-Only Memory), CD-ROM (Compact Disc Read-Only Memory) 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.
Optionally, the constant torque milling control apparatus 1000 of the sheet strip may also include a transceiver 1004. The transceiver 1004 may be used for both reception and transmission of signals. The transceiver 1004 may allow the constant torque mill control device 1000 of the sheet strip to communicate wirelessly or by wire with other devices to exchange data. It should be noted that, in practical application, the transceiver 1004 is not limited to one.
Optionally, the constant torque milling control device 1000 of the sheet strip may further comprise an input unit 1005. The input unit 1005 may be used to receive input digital, character, image and/or sound information or to generate key signal inputs related to user settings and function controls of the constant torque milling control device 1000 of the sheet strip. 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 track ball, a mouse, a joystick, a camera, a microphone, etc.
Optionally, the constant torque milling control device 1000 of the sheet strip may further comprise an output unit 1006. An output unit 1006 may be used to output or present information processed by the 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 for a sheet strip having various means, it should be understood that not all of the illustrated means are required to be implemented or provided. More or fewer devices may be implemented or provided instead.
Optionally, a memory 1003 is used for storing application code for performing the aspects of the invention and is controlled by the processor 1001 for execution. The processor 1001 is configured to execute application program codes stored in the memory 1003, so as to implement any of the constant torque milling control methods for sheet and strip provided in the embodiments of the present invention.
Based on the same inventive concept, a fourth aspect of the present application provides a computer-readable storage medium having stored thereon a computer program which, when executed by an electronic device, implements a constant torque milling control method for a plate strip 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 flow, actions, schemes, and alternatives discussed in the present application may be alternated, altered, combined, or eliminated. Further, other steps, means, or steps in a process having various operations, methods, or procedures discussed in this application may be alternated, altered, rearranged, split, combined, or eliminated. Further, steps, measures, schemes in the prior art with various operations, methods, flows disclosed in the present application may also be alternated, altered, rearranged, decomposed, combined, or deleted.
The terms "first," "second," and the like, 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited in order and may be performed in other orders, unless explicitly stated herein. Moreover, at least some of the steps in the flowcharts of the figures may include a plurality of sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, the order of their execution not necessarily being sequential, but may be performed in turn or alternately with other steps or at least a portion of the other steps or stages.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for a person skilled in the art, several improvements and modifications can be made without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (9)
1. The constant torque milling control method for the plate and strip is characterized by comprising the following steps of:
acquiring the actual train speed of the plate strip and the torque limit value of a machine tool;
according to the proportional relation between the preset edge milling cutter adjustment quantity and the machine column speed, the edge milling cutter adjustment quantity is adjusted to be a first edge milling cutter adjustment quantity;
acquiring a position mark of the plate strip, and adjusting the position mark to a second side milling cutter adjustment amount corresponding to the position mark;
determining the edge milling cutter adjustment amount as a third edge milling cutter adjustment amount according to the torque limit value;
and according to the first side milling adjustment amount, the second side milling adjustment amount or the third side milling adjustment amount, under the corresponding condition of obtaining various position marks, calculating the position actual value of the side milling cutter with the first side milling adjustment amount, the second side milling adjustment amount or the third side milling adjustment amount respectively to obtain a milling cutter position given value, so as to mill the plate and strip.
2. The constant torque milling control method of a plate strip according to claim 1, wherein the step of acquiring the position mark of the plate strip further comprises:
acquiring a torque actual value and a torque set value of the edge milling cutter;
and comparing the actual torque value with a torque set value of the edge milling cutter, and 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 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 constant torque milling control method of a plate and strip according to claim 2, wherein the step of determining a milling cutter position given value of the edge milling cutter according to the position actual value of the edge milling cutter and the first edge milling cutter adjustment amount specifically comprises:
the position mark is not acquired;
if the actual torque value is smaller than the torque set value, subtracting a value corresponding to the first side milling 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 torque set value and smaller than the torque set limit value, determining the actual position value of the edge milling cutter plus the value corresponding to the first edge milling cutter adjustment amount as the position set value of the edge milling cutter.
4. The constant torque milling control method of a plate strip according to claim 2, wherein the step of determining a milling cutter position given value of the edge milling cutter according to the position actual value of the edge milling cutter and the second edge milling cutter adjustment amount specifically comprises:
acquiring the position mark;
if the actual torque value is smaller than the torque set value, subtracting a 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 edge milling cutter position set value;
and if the actual torque value is larger than the torque set value and smaller than the torque set limit value, determining the actual position value of the edge milling cutter plus the value corresponding to the second edge milling cutter adjusting amount as the position set value of the edge milling cutter.
5. The constant torque milling control method of a plate strip according to claim 2, wherein the step of acquiring the position mark of the plate strip further comprises:
and if the actual torque value is larger than the torque setting limit value, determining the actual position value of the edge milling cutter plus the numerical value corresponding to the third edge milling cutter regulating amount as the position given value of the edge milling cutter.
6. The utility model provides a constant torque milling control device of sheet material which characterized in that includes:
the acquisition module is used for acquiring the actual machine train speed of the plate strip and the torque limit value of the machine tool;
the adjusting module is used for adjusting the edge milling cutter adjusting quantity to be the first edge milling cutter adjusting quantity according to the proportional relation between the preset edge milling cutter adjusting quantity and the machine array speed; acquiring a position mark of the plate strip, and adjusting the position mark to a second side milling cutter adjustment amount corresponding to the position mark; determining the edge milling cutter adjustment amount as a third edge milling cutter adjustment amount according to the torque limit value;
and the execution module is used for calculating the position actual value of the edge milling cutter with the first edge milling cutter adjusting amount, the second edge milling cutter adjusting amount or the third edge milling cutter adjusting amount respectively under the corresponding condition of obtaining various position marks so as to obtain a milling cutter position given value, thereby milling the plate strip.
7. The constant torque milling control device of a sheet strip as defined in claim 6, wherein said step of obtaining a position mark of the sheet strip by said adjustment module further comprises:
acquiring a torque actual value and a torque set value of the edge milling cutter;
and comparing the actual torque value with a torque set value of the edge milling cutter, and 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 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 device for a sheet material, 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: a constant torque milling control method of a sheet strip according to any one of claims 1 to 5 is achieved.
9. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed by an electronic device, implements the constant torque milling control method of a sheet strip according to any one of claims 1 to 5.
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