CN113139716A - Remote automatic error-proof checking method for numerical control machining program package - Google Patents
Remote automatic error-proof checking method for numerical control machining program package Download PDFInfo
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Abstract
The invention provides a remote automatic error-proof checking method for a numerical control machining program package, which aims to set a structural standard of the numerical control machining program package and provide a method for checking and analyzing the numerical control machining program package according to the standard, thereby reducing risk points brought by manual operation and checking of the numerical control machining program package and realizing automatic program package analysis and checking. The method provided by the invention can meet the requirements of remote automatic control and flexible manufacturing systems at present.
Description
Technical Field
The invention belongs to the technical field of numerical control machining program package loading, and particularly relates to a remote automatic error-proof checking method for a numerical control machining program package.
Background
With the rapid development of automation and informatization, the production level of numerical control machining of airplane structural parts is continuously improved, numerical control machining continuously iterates towards intellectualization, automation and standardization, but the traditional numerical control machining program package still adopts a manual downloading and decompression mode, and the problems of non-standardization of the numerical control machining program package, high manual checking risk and the like exist. Taking the numerical control processing plant of the applicant as an example, the traditional flow of loading the numerical control processing program package is as follows:
1) in consideration of confidentiality, a numerical control machining program package management system needs to be logged on an upper computer, and a numerical control machining program package of the latest and unlocked version of a specified part drawing number is downloaded;
2) decompressing the downloaded numerical control processing program package by the upper computer, and manually checking whether a main program entry and a corresponding subprogram file which need to be processed exist according to the manufacturing outline;
3) manually checking the processing equipment according to the manufacturing outline;
4) manually checking the work order number and the work step number according to the manufacturing outline;
5) manually checking the cutter drawing number, name and parameters of each subprogram according to the manufacturing outline;
6) and after the verification is successful, transmitting the numerical control machining program package to a specified directory of a machine tool numerical control system.
With the continuous progress of industrial production and the continuous improvement of the integration level of the numerical control machine control system, the flexible manufacturing system is rapidly developed, meanwhile, the manufacturing industry informatization system is gradually improved and matured, and the numerical control machine control system is continuously iterated towards intellectualization, networking, automation and standardization. However, the traditional tool creation of the numerical control machine tool is still a manual operation mode, and the numerical control machine tool increasingly needs a remote tool creation mode under the development background of flexibility, intelligent manufacturing and no manual intervention in the whole process. Taking the numerical control processing plant of the applicant as an example, the traditional numerical control machine tool setting process comprises the following steps:
1) searching basic information of a cutter in a process system according to the part figure number to be processed, or acquiring the basic information of the cutter according to a cutter bar code;
2) the basic parameters of the tool needed by processing are manually input in a numerical control machine tool system, and the basic parameters comprise: the number of the cutter, the length of the cutter, the type of the cutter, the radius of the cutter, the service life of the cutter, the number of teeth, the number of tool magazines and other parameters;
3) selecting the created tools in the virtual tool magazine, loading the tools to a machine tool, installing the tools in the machine tool solid tool magazine according to the position of the solid tool magazine generated by the system, and changing the state of the tools to be available;
there are a lot of manual operations and manual proofreading in the above procedure, and the following problems may occur: the problems that a downloading error is caused by an input error of a part drawing number, a downloading version error exists when a numerical control machining program package is manually downloaded, the program package is lost after downloading, a subprogram cannot be machined due to correction negligence, a cutter proofreading error is caused due to correction negligence, a machining equipment proofreading error is caused due to correction negligence, a work sequence number is caused due to correction negligence, a work step number proofreading error is caused, and the like. Meanwhile, because of no constraint of the standard specification of the numerical control processing program package, the program package is disordered in naming and structure, and the difficulty of manual proofreading work is increased. The above manual operations and proofreading often result in the processing and scrapping of parts, the processing cost is increased, and the parts can be delivered according to time.
The method includes the steps that a cutter is created in a virtual cutter base of a machine tool according to a manufacturing outline, workers often need to hold the cutter, basic information of the cutter on a label of the cutter and basic information obtained according to a label query database are manually input into a table of the virtual cutter base created by the machine tool, parts are damaged when the cutter is collided due to data transmission errors, and the parts are scrapped, so that not only is the machining cost increased, but also the parts are delivered according to schedule.
Disclosure of Invention
The invention provides a remote automatic error-proof checking method for a numerical control machining program package aiming at the defects and requirements in the prior art, and aims to set a structural standard of the numerical control machining program package and provide a method for checking and analyzing the numerical control machining program package according to the standard, so that risk points caused by manual operation and checking of the numerical control machining program package are reduced, and automatic program package analysis and checking are realized. The method provided by the invention can meet the requirements of remote automatic control and flexible manufacturing systems at present.
The specific implementation content of the invention is as follows:
the invention provides a remote automatic error-proof checking method for a numerical control machining program package, which is characterized in that when the numerical control machining program package is uploaded, the numerical control machining program package is uniformly compressed in an rar format, and the format specification of the numerical control machining program package is set; setting an NC main program file, an NC subprogram file, a cutter list file, a tool list file, a clamping platform list file, a clamping drawing and a disassembling drawing in a numerical control machining program package;
after the uploaded data processing program package is downloaded, firstly generating a temporary file path to obtain a numerical control processing program package in a rar format after compression, then decompressing the downloaded data processing program package in the rar format, and sequentially decompressing the equipment model number, the work order number and the work step number;
after the step number is analyzed, an NC main program file, an NC subprogram file, a cutter list file, a tool list file, a clamping platform list file and a clamping drawing are also analyzed;
then judging whether the NC main program files contained in the NC main program file exist; if the NC main program files included in the NC main program files are judged not to exist, the analysis is judged to fail, and an error code is returned;
if the NC main program files included in the NC main program files exist, further judging whether a cutter list file exists or not; if the cutter list file does not exist, judging that the analysis fails and returning an error code;
if the tool list file exists, analyzing the tool list file, further judging whether a tool list file exists, and if the tool list file does not exist, judging that the analysis fails and returning an error code;
if the tooling list file exists, the tooling list file is analyzed, whether the clamping platform list file exists or not is further judged, if the tooling list file does not exist, the analysis is judged to fail, and an error code is returned;
if the clamping platform list file exists, analyzing the clamping platform list file, judging whether a work step number exists, and if the work step number exists, circularly executing the operation of analyzing the work step number and the subsequent operation until the work step number does not exist;
after judging that there is no unresolved work step number, judging whether there is a work sequence number, if there is a work sequence number, circularly executing the above-mentioned operation of resolving work sequence number and the following operation until there is no work sequence number;
and finally, inserting the analyzed numerical control machining program package into a database for numerical control machining.
In order to better implement the present invention, the format specification of the nc processing program package is specifically set as follows: naming the compressed packet by taking a part number-NCM as a naming format; setting the hierarchical structure of the decompressed folder into a structural format of 'equipment model \ work order number'; the work order number is an integer number.
In order to better implement the invention, one clamping is represented by one process, and the file formats of the NC main program file and the NC subprogram file are set to be MPF formats.
In order to better realize the invention, the formats of the clamping drawing and the disassembling drawing are set into PDF format, a template required to be used is filled in the clamping drawing, and the product name, the part number, the data number, the work order number, the specification of a process hole, the specification of a screw, a sketch and a position schematic diagram of the part on the tool are marked; and filling a template required to be used in the disassembly drawing, and marking a product name, a part drawing number, a data number, a process step number, a characteristic dimension required to be checked, a tolerance and a position schematic diagram required to be checked.
In order to better implement the present invention, the format of the tool list file is further set to be TXT format, and more than one line of valid tool data is filled in the contents of the tool list file, and the tool number stored in the tool list file is consistent with the tool number used in the corresponding NC program.
In order to better realize the invention, furthermore, each cutter information in the cutter list file occupies one line, each data item is separated by English format semicolon, the cutter simulation time is filled in, and the simulation time of all cutters is added to obtain a simulation actual total value and is used for estimating the part machining time; when the same knife number is used for multiple times, the knife number is also listed in a row of information.
In order to better realize the invention, the format of the tooling list file is further set to be TXT format, and each piece of tooling information occupies one line of the content of the tooling list file; and if no tool information exists, uploading a tool list file with empty contents or not establishing the tool file.
In order to better implement the invention, the format of the clamping platform manifest file is further set to be a TXT format, the information of each clamping platform occupies one line of the content of the clamping platform manifest file, and if the information of the clamping platform does not exist, the clamping platform manifest file with empty content is uploaded.
In order to better realize the invention, further, the cutter information and the cutter code to be put in storage are transmitted to a database of a remote server for query through a service locally deployed by an upper computer of the numerical control machine tool.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the invention realizes standardized processing by establishing standards and specifications, realizes automatic verification of the data packet by compressing and analyzing the data packet and analyzing and processing various data after standardizing the standards, further realizes remote automatic processing operation according to the data packet and the like, and meets flexible and intelligent manufacturing without manual intervention in the whole process;
(2) the method is suitable for remote tool creation of all high-end numerical control machine tool magazines, including but not limited to numerical control machines provided with Siemens 840D systems and flange systems;
(3) the method avoids the problems that the numerical control machining program is downloaded manually, the program is corrected artificially according to the manufacturing outline, the part is scrapped due to the error of the part machining program, and the subprogram is absent and cannot be machined due to the negligence of correction; the preparation flow of the complex numerical control machining program is simplified, the quality risk is reduced, the waste of human resources is reduced, the production time is reduced, the delivery cycle is shortened, the product quality is improved, and the method is more in line with the idea of lean production;
(4) all operations can be remotely operated, all operations and generated data are recorded in a database, so that possibility is created for quality tracing, and the standardization degree of a production unit is improved; and a solid foundation is laid for the intelligent manufacturing and FMS flexible line system which is pushed later.
Drawings
FIG. 1 is a schematic flow chart of the present invention;
FIG. 2 is a computer effect display screenshot of the naming of the numerical control machining package of the present invention;
FIG. 3 is a computer effect display screenshot of a NC machining package file structure of the present invention.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and therefore should not be considered as a limitation to the scope of protection. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
the embodiment provides a remote automatic error-proof checking method for a numerical control machining program package, as shown in fig. 1, when the numerical control machining program package is uploaded, the numerical control machining program package is uniformly compressed in an rar format, and the format specification of the numerical control machining program package is set; setting an NC main program file, an NC subprogram file, a cutter list file, a tool list file, a clamping platform list file, a clamping drawing and a disassembling drawing in a numerical control machining program package;
after the uploaded data processing program package is downloaded, firstly generating a temporary file path to obtain a numerical control processing program package in a rar format after compression, then decompressing the downloaded data processing program package in the rar format, and sequentially decompressing the equipment model number, the work order number and the work step number;
after the step number is analyzed, an NC main program file, an NC subprogram file, a cutter list file, a tool list file, a clamping platform list file and a clamping drawing are also analyzed;
then judging whether the NC main program files contained in the NC main program file exist; if the NC main program files included in the NC main program files are judged not to exist, the analysis is judged to fail, and an error code is returned;
if the NC main program files included in the NC main program files exist, further judging whether a cutter list file exists or not; if the cutter list file does not exist, judging that the analysis fails and returning an error code;
if the tool list file exists, analyzing the tool list file, further judging whether a tool list file exists, and if the tool list file does not exist, judging that the analysis fails and returning an error code;
if the tooling list file exists, the tooling list file is analyzed, whether the clamping platform list file exists or not is further judged, if the tooling list file does not exist, the analysis is judged to fail, and an error code is returned;
if the clamping platform list file exists, analyzing the clamping platform list file, judging whether a work step number exists, and if the work step number exists, circularly executing the operation of analyzing the work step number and the subsequent operation until the work step number does not exist;
after judging that there is no unresolved work step number, judging whether there is a work sequence number, if there is a work sequence number, circularly executing the above-mentioned operation of resolving work sequence number and the following operation until there is no work sequence number;
and finally, inserting the analyzed numerical control machining program package into a database for numerical control machining.
Example 2:
in this embodiment, on the basis of embodiment 1, in order to better implement the present invention, the format specification of the nc machining program package is specifically set as follows: naming the compressed packet by taking a part number-NCM as a naming format; setting the hierarchical structure of the decompressed folder into a structural format of 'equipment model \ work order number'; the work order number is an integer number.
In order to better implement the invention, one clamping is represented by one process, and the file formats of the NC main program file and the NC subprogram file are set to be MPF formats.
In order to better realize the invention, the formats of the clamping drawing and the disassembling drawing are set into PDF format, a template required to be used is filled in the clamping drawing, and the product name, the part number, the data number, the work order number, the specification of a process hole, the specification of a screw, a sketch and a position schematic diagram of the part on the tool are marked; and filling a template required to be used in the disassembly drawing, and marking a product name, a part drawing number, a data number, a process step number, a characteristic dimension required to be checked, a tolerance and a position schematic diagram required to be checked.
In order to better implement the present invention, the format of the tool list file is further set to be TXT format, and more than one line of valid tool data is filled in the contents of the tool list file, and the tool number stored in the tool list file is consistent with the tool number used in the corresponding NC program.
In order to better realize the invention, furthermore, each cutter information in the cutter list file occupies one line, each data item is separated by English format semicolon, the cutter simulation time is filled in, and the simulation time of all cutters is added to obtain a simulation actual total value and is used for estimating the part machining time; when the same knife number is used for multiple times, the knife number is also listed in a row of information.
In order to better realize the invention, the format of the tooling list file is further set to be TXT format, and each piece of tooling information occupies one line of the content of the tooling list file; and if no tool information exists, uploading a tool list file with empty contents or not establishing the tool file.
In order to better implement the invention, the format of the clamping platform manifest file is further set to be a TXT format, the information of each clamping platform occupies one line of the content of the clamping platform manifest file, and if the information of the clamping platform does not exist, the clamping platform manifest file with empty content is uploaded.
In order to better realize the invention, further, the cutter information and the cutter code to be put in storage are transmitted to a database of a remote server for query through a service locally deployed by an upper computer of the numerical control machine tool.
Other parts of this embodiment are the same as those of embodiment 1, and thus are not described again.
Example 3:
this example gives a specific example based on any of the above examples 1-2:
1) and determining the specifications of the numerical control machining program package, including a naming specification and a structure specification. The uploaded NC machining program package must be a rar format compressed package, named "part number-NCM", example: F5-DD-A380-02121-91-Z-NCM, the hierarchy of the decompressed folder should be: device model \ work order number, example: 1201-G \ 70. Note: the work order number must be an integer number.
2) Usually, one process represents one clamping, and the nomenclature is as shown in fig. 2 and fig. 3, for example: AEY070A1, reference: the standard for naming the NC program of the STC flexible production line comprises an NC main program file, an NC subprogram file, a cutter list file, a tool list file, a platform list file, a clamping drawing and a disassembly drawing, wherein the suffix of the NC file is MPF.
3) Naming a clamping picture: pdf, note suffix. Clamping picture content: the template is used for marking the product name, the part number, the data number and the work order number, and showing the position schematic diagram of the process hole specification, the screw specification, the sketch and the part on the tool. Name of disassembly diagram: pdf, note suffix. Disassembling the graph content: the template is used to mark the product name, part drawing number, data number, step number, the feature size to be inspected, tolerance, and the position to be inspected.
4) Naming a cutter list: txt, toollist; note that the suffix is. Contents of the tool list: the file must include more than one line
Valid tool data, the number of knives in the list must be consistent with the number of knives used in the corresponding NC program. The information of each cutter occupies one row (the information is listed together when the same cutter is used for multiple times) in English; "space each data item. Such as in; "the head indicates this behavior comment information. Note that the contents of the tool list cannot be empty. Tool format: the number of the knife; simulation time, and cannot be equal to 0; and adding the simulation time of all the cutters to obtain a simulation time total value for estimating the part machining time.
5) Naming a tooling list: claudinglist.txt; note that the suffix is. Tooling list content: and each piece of tooling information occupies one row, and if no piece of tooling information exists, the user is requested to upload a ClampingList. Note that: the tooling list must not be empty.
6) Platform list naming: txt, pallettlist; note that the suffix is. Platform manifest content: each piece of platform information occupies one row, if no piece of platform information exists, the piece of PalletList.txt 2) cutter information with empty contents and a cutter code to be put in storage are uploaded to a database of a remote server for query through a service locally deployed by an upper computer of a numerical control machine; ensuring that the distribution cutter is consistent with the warehousing cutter and all parameters are consistent, and transmitting the verification result back to the upper computer of the numerical control machine;
7) and downloading the program package to a specified directory by the numerical control machining program package management system, automatically decompressing and analyzing the file reading entry, checking whether the rule definition is met, and circularly reading the file in each process step folder in the process folders. Checking a part drawing number, analyzing a device serial number, an operation step number, a main program, checking whether a subprogram exists or not, analyzing a cutter list, checking a manufacturing outline, analyzing a tool list, checking the manufacturing outline, analyzing a loading and unloading platform list, checking the manufacturing outline, analyzing a loading and unloading drawing, automatically opening the loading and unloading drawing, and guiding loading and unloading;
8) and uploading the analyzed data to a database to generate a record.
The working principle is as follows:
(1) the numerical control machining center used in the present embodiment is a siemens 840D numerical control system.
(2) Configuring a local area network, wherein the local area network comprises a numerical control machine tool, a control system, a numerical control machining program package management system and a database;
(3) after the process personnel finishes programming, standardizing file naming and structure in the program package according to the above-mentioned standard, and uploading the numerical control processing program package to a numerical control processing program package management system; examples are as follows:
the numerical control machining program package is named as shown in fig. 2, and the file structure of the numerical control machining program package is shown in fig. 3:
the contents of the tool list file of the numerical control machining program package are exemplified as follows:
；toollist description
PROBE；3
T32_80R3Z4B；312
T16_60R3Z5A；112
；FAN；10
PROBE；2
T16_60R3Z5A；1
TZ6_28M13；32
TZ5_45M13；8
an example tooling format is as follows:
GZ07-141A6121-15-2MF
example platform format:
1201-G-FMS-APF1
(4) the control system downloads a designated numerical control machining program package in the numerical control machining program package management system according to the part drawing number and the part version number, and decompresses and checks the numerical control machining program package;
(5) checking whether the machine number in the program package exists or not, checking whether a main program inlet exists in each process step folder or not, checking whether subprogram names in the main program files exist in the folders or not, checking whether a cutter list file exists or not, checking whether a clamping picture exists or not, dismounting the picture, checking whether a tool list exists or not, and checking whether a clamping platform list exists or not;
(6) if the verification is not successful, an error is reported; if all the tests are successful, analyzing the cutter list file, analyzing the tool file and analyzing the clamping platform file;
(7) after the verification is successful, compressing each step file according to the step sequence, encrypting the file name by using an MD5 verification mode, and then storing all the file names, all the cutter information in the cutter list, the tooling information in the tooling list and the clamping platform information in the clamping platform list into a database;
automatically transmitting the numerical control machining program package to a numerical control system, and sending a machining starting command under the condition that both the tool and the tooling resource are met;
other parts of this embodiment are the same as any of embodiments 1-2 described above, and thus are not described again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (9)
1. A numerical control machining program package remote automatic error-proof checking method is characterized in that when a numerical control machining program package is uploaded, the numerical control machining program package is uniformly compressed in an rar format, and the format specification of the numerical control machining program package is set; setting an NC main program file, an NC subprogram file, a cutter list file, a tool list file, a clamping platform list file, a clamping drawing and a disassembling drawing in a numerical control machining program package;
after the uploaded data processing program package is downloaded, firstly generating a temporary file path to obtain a numerical control processing program package in a rar format after compression, then decompressing the downloaded data processing program package in the rar format, and sequentially decompressing the equipment model number, the work order number and the work step number;
after the step number is analyzed, an NC main program file, an NC subprogram file, a cutter list file, a tool list file, a clamping platform list file and a clamping drawing are also analyzed;
then judging whether the NC main program files contained in the NC main program file exist; if the NC main program files included in the NC main program files are judged not to exist, the analysis is judged to fail, and an error code is returned;
if the NC main program files included in the NC main program files exist, further judging whether a cutter list file exists or not; if the cutter list file does not exist, judging that the analysis fails and returning an error code;
if the tool list file exists, analyzing the tool list file, further judging whether a tool list file exists, and if the tool list file does not exist, judging that the analysis fails and returning an error code;
if the tooling list file exists, the tooling list file is analyzed, whether the clamping platform list file exists or not is further judged, if the tooling list file does not exist, the analysis is judged to fail, and an error code is returned;
if the clamping platform list file exists, analyzing the clamping platform list file, judging whether a work step number exists, and if the work step number exists, circularly executing the operation of analyzing the work step number and the subsequent operation until the work step number does not exist;
after judging that there is no unresolved work step number, judging whether there is a work sequence number, if there is a work sequence number, circularly executing the above-mentioned operation of resolving work sequence number and the following operation until there is no work sequence number;
and finally, inserting the analyzed numerical control machining program package into a database for numerical control machining.
2. The method for remotely automating the error-proofing verification of the nc machining program package according to claim 1, wherein the format specification of the nc machining program package is specifically set as: naming the compressed packet by taking a part number-NCM as a naming format; setting the hierarchical structure of the decompressed folder into a structural format of 'equipment model \ work order number'; the work order number is an integer number.
3. The method as claimed in claim 1, wherein the file format of the NC main program file and the NC sub program file is set to MPF format in one process for representing one clamping.
4. The method for remotely and automatically checking the numerical control machining program package according to claim 1, wherein formats of a clamping drawing and a disassembling drawing are set to be PDF formats, templates required to be used are filled in the clamping drawing, and product names, part numbers, data numbers, work order numbers, process hole specifications, screw specifications, sketches and position schematic diagrams of parts on a tool are marked; and filling a template required to be used in the disassembly drawing, and marking a product name, a part drawing number, a data number, a process step number, a characteristic dimension required to be checked, a tolerance and a position schematic diagram required to be checked.
5. The method as claimed in claim 1, wherein the tool manifest file is set to a TXT format, and more than one row of valid tool data is filled in the contents of the tool manifest file, and the tool number stored in the tool manifest file is consistent with the tool number used in the corresponding NC program.
6. The method of claim 5, wherein each tool information in the tool list file occupies one row, each data item is separated by a semicolon in English format, tool simulation time is filled in, simulation time of all tools is added to obtain a simulation actual total value, and the simulation actual total value is used for estimating part machining time; when the same knife number is used for multiple times, the knife number is also listed in a row of information.
7. The method for remotely and automatically checking the numerical control machining program package according to claim 1, wherein the format of the tooling list file is set to be a TXT format, and each piece of tooling information occupies one line of the content of the tooling list file; and if no tool information exists, uploading a tool list file with empty contents or not establishing the tool file.
8. The method for remotely and automatically checking the numerical control machining program package according to claim 1, wherein the format of the clamping platform manifest file is set to a TXT format, information of each clamping platform occupies one line of the content of the clamping platform manifest file, and if no information of the clamping platform exists, the clamping platform manifest file with empty content is uploaded.
9. The method for remotely and automatically checking the numerical control machining program package according to claim 1, wherein the tool information and the tool code to be put in storage are transmitted to a database of a remote server for query through a service locally deployed on an upper computer of the numerical control machine tool.
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