CN115309107A - Automatic tool changing and compensation machining method, system, equipment and medium - Google Patents
Automatic tool changing and compensation machining method, system, equipment and medium Download PDFInfo
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- CN115309107A CN115309107A CN202211051075.3A CN202211051075A CN115309107A CN 115309107 A CN115309107 A CN 115309107A CN 202211051075 A CN202211051075 A CN 202211051075A CN 115309107 A CN115309107 A CN 115309107A
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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
- G05B19/406—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 monitoring or safety
- G05B19/4065—Monitoring tool breakage, life or condition
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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
- G05B2219/36—Nc in input of data, input key till input tape
- G05B2219/36291—Cutting, machining conditions by empirical equation, like tool life
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Abstract
The invention provides an automatic tool changing and compensating processing method, system, equipment and medium, comprising the following steps: grouping and respectively numbering a plurality of cutters in the machine, recording the use times of the cutters, and forming a dynamic combination number; measuring the measured value of the size of the machined part through the measuring pin, if the measured value does not accord with the preset value, performing length compensation on the cutter, updating length compensation information into a corresponding cutter calibration system based on the dynamic combination number information, and machining the part again; if the size of the machined part meets the preset value, judging the service life of the corresponding cutter based on the combination number, if the service life exceeds a service life threshold value, replacing the cutter, and if not, continuously machining the next part by the cutter; according to the tool using method and device, the record of the use times and the compensation coefficient of the tool is continuously updated by establishing the dynamic combination number, the use condition of the specific tool can be accurately obtained in real time, the compensation can be accurately corresponding, high-precision machining of machined parts is achieved, and the production efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of lathe machining, and particularly relates to an automatic tool changing and compensation machining method, system, equipment and medium.
Background
The service life of the Fanuc system TL is a sister cutter system provided by the system, a plurality of cutters can be grouped into a group, the cutters on a cutter tower are managed according to the group, a lathe measuring head is a device capable of recording the current positions of all movement axes, so that the size of a workpiece is measured and the cutter compensation is adjusted, in the actual production and processing process of a lathe, a machine set carries a plurality of cutters, and meanwhile, the cutters are provided with spare cutters, so that the number of the cutters is large, in the process of processing parts, because the cutter position numbers and the cutter compensation position numbers are changed all the time when the TL is used, the system cannot identify the use times and the abrasion conditions of the cutters in the cutter group, the precision of the processed parts is insufficient, the field workers need to manually compensate and calibrate for a plurality of times, and the conditions of the processed cutters cannot be updated and calibrated in real time.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an automatic tool changing and compensating processing method, system, equipment and medium, which can accurately identify the condition of using a tool and improve the production efficiency.
The invention is realized by the following technical scheme:
an automatic tool changing and compensating machining method is characterized by comprising the following steps:
s1: grouping and respectively numbering a plurality of cutters in the machine, and recording the use times of the cutters to form dynamic combination numbers;
s2: measuring the measured value of the size of the machined part through the measuring pin, if the measured value does not accord with the preset value, performing length compensation on the cutter, updating length compensation information into a corresponding cutter calibration system based on the dynamic combination number information, and machining the part again;
s3: if the size of the machined part meets the preset value, the service life of the corresponding cutter is judged based on the combined number, if the service life exceeds the threshold value of the service life, the cutter is replaced, and if not, the cutter continues to machine the next part.
Further, the dynamic combination number in step S1 includes a tool set number, a specific number of the tool in the tool set, and an accumulated or decreased number of times of use.
Further, in the step S1, a tool with a small number of uses is preferably used.
Further, in the step S1, a threshold value of the number of times of use is preset for all the tools based on the machining amount and material of the product to be machined and the wear coefficient of the tool.
Further, the step S2 of updating the length compensation information to the corresponding tool calibration system based on the dynamic combination number information includes the following steps:
calculating the difference value between the measured value and the preset value of the size of the machined part, and obtaining a correction coefficient according to the use times in the dynamic combination number information; the product of the difference and the correction coefficient is used as the wear compensation value of the tool.
Further, the step S2 that the measured value of the size of the machined part is greater than the difference between the measured values of the sizes of the machined parts includes two cases, the length of the tool is compensated, the length compensation information is updated to the corresponding tool calibration system based on the dynamic combination number information, and the machined part is machined again;
and if the measured value of the size of the machined part is smaller than the lower difference of the part, the part is scrapped and early warning is carried out.
Further, in the step S3, whether the service life threshold is exceeded is determined based on the number of times of use in the dynamic combination number, if the new tool does not need to be replaced, the next step is performed, if the new tool needs to be replaced, and if there is no spare tool in the same group of tools, an early warning is given.
An automatic tool changing and compensation machining system comprising:
the cutter numbering module: numbering a plurality of cutters in the machine, and recording the use times of the cutters to form dynamic combination numbers;
the cutter compensation module: measuring the measured value of the size of the machined part through the measuring pin, if the measured value does not accord with the preset value, performing length compensation on the cutter, updating length compensation information into a corresponding cutter calibration system based on the dynamic combination number information, and machining the part again;
cutter life judges the module: if the size of the machined part meets the preset value, the service life of the corresponding cutter is judged based on the combined number, if the service life exceeds the threshold value of the service life, the cutter is replaced, and if not, the cutter continues to machine the next part.
A computer device comprising a memory, a processor and a computer program stored in said memory and executable on said processor, said processor implementing steps such as an automatic tool changing and compensation machining method when executing said computer program.
A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method as an automatic tool changing and compensation machining method.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides an automatic tool changing and compensation processing method, system, equipment and medium, comprising the following steps: grouping and respectively numbering a plurality of cutters in the machine, and recording the use times of the cutters to form dynamic combination numbers; measuring the measured value of the size of the machined part through the measuring needle, if the measured value does not accord with the preset value, performing length compensation on the cutter, updating length compensation information into a corresponding cutter calibration system based on the dynamic combination number information, and machining the part again; if the size of the machined part meets the preset value, judging the service life of the corresponding cutter based on the combination number, if the service life exceeds a service life threshold value, replacing the cutter, and if not, continuously machining the next part by the cutter; according to the tool using method and device, the record of the use times and the compensation coefficient of the tool is continuously updated by establishing the dynamic combination number, the use condition of the specific tool can be accurately obtained in real time, the compensation can be accurately corresponding, high-precision machining of machined parts is achieved, and the production efficiency is improved.
Drawings
FIG. 1 is a flow chart of an automatic tool changing and compensating machining method of the present invention;
FIG. 2 is a flow chart of tool life determination according to the present invention;
FIG. 3 is a flow chart of the invention using a measuring probe to measure a machined part.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
In order to make the technical solutions of the present invention better understood, 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 is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention provides an automatic tool changing and compensating processing method, which comprises the following steps as shown in figure 1:
s1: numbering a plurality of cutters in the machine, and recording the use times of the cutters to form dynamic combination numbers; specifically, the plurality of cutters in the machine comprise a plurality of cutters of different types, and the plurality of cutters of the same type are arranged into a cutter group;
s2: measuring the measured value of the size of the machined part through the measuring pin, if the measured value does not accord with the preset value, performing length compensation on the cutter, updating length compensation information into a corresponding cutter calibration system based on the dynamic combination number information, and machining the part again;
s3: if the size of the machined part meets the preset value, the service life of the corresponding cutter is judged based on the combined number, if the service life exceeds the threshold value of the service life, the cutter is replaced, and if not, the cutter continues to machine the next part.
Preferably, the tool use times calculation in the present application, the identification and counting based on the TL life system, and the detection of the machined part based on the side head system, the programming method in the present application for updating the length compensation information to the corresponding tool calibration system based on the dynamic combination number information is:
#[2000+#4120/101]＝#[2000+#4120/101]+#515*#800
wherein #515 is a difference between the measured value and the difference in the workpiece, and #800 is a correction coefficient; #4120 is the T code information of the current tool, i.e. the dynamic combination number, if the current tool is T0808, the output value of #4120 is 808, thus #4120/101 and the serial number 8 of the current tool complement, and #2001 to #2064 in the system respectively represent 1 to 64 bits to the tool X-axis wear compensation, so the above tool compensation program can add the tool compensation value needed to the original tool compensation number, and write the new tool wear compensation into the system; because the cutter position number and the cutter supplement position number are always changed when the TL service life is used, the cutter supplement value can be supplemented to the correct cutter supplement number no matter which cutter is used in the TL service life.
Preferably, as shown in fig. 2, the dynamic combination number in step S1 includes a tool set number, a specific number of the tool in the tool set, and an accumulated or decreased number of times of use number; further, a tool with a small number of uses is preferentially adopted in the step S1; further, in the step S1, a threshold value of the number of times of use is preset for all the tools based on the machining amount and material of the product to be machined and the wear coefficient of the tool, and the wear coefficient of the tool can be obtained by a person skilled in the art based on accumulated experience of long-term machining;
specifically, the numerical control program is used for inputting the cutter information into the system and defining the service life of the cutter, and the input program is as follows:
O1002
G10L03 (start programmable data input, enter data to TL Life, delete all groups at Login)
P01L100 (Login to the first group, life 100, the number of machining times or man-hours can be selected in TL Life interface to define the threshold life, in this application, the number of machining times of the tool)
T0101
T0202
T0303
G11 (turning off programmable data input)
M30
The number of the preset system cutters is three, the dynamic combination numbers of the three cutters are T0101, T0202 and T0303 respectively, the program can be used for recording the T0101, the T0202 and the T0303 into one group, and the service life of each cutter in the group is preset to be 100; the group of cutters can be called by using T0199 during actual processing, the cutters can be called according to the number of times of previous processing during calling, T0101 processing is preferentially used, T0202 is called when the processing cycle number is more than 100 and less than 200, T0303 is called when the processing cycle number is more than 200 and less than 300, the machine tool alarms to stop circulation when the processing cycle number is more than 300, a worker replaces three cutters at the moment, clears the processing count in the TL service life, and then can be continuously started, so that one cycle is realized.
Preferably, as shown in fig. 3, the step S2 of updating the length compensation information to the corresponding tool calibration system based on the dynamic combination number information includes the following steps: calculating the difference value between the measured value and the preset value of the size of the machined part, and obtaining a correction coefficient according to the use times in the dynamic combination number information; the product of the difference and the correction coefficient is used as the wear compensation value of the tool.
Preferably, the step S2 of not meeting the preset value includes two cases, and if the measured value of the size of the machined part is greater than the difference of the machined part, the length of the tool is compensated, and the length compensation information is updated to the corresponding tool calibration system based on the dynamic combination number information, and the part is machined again;
and if the measured value of the size of the machined part is smaller than the lower difference of the part, the part is scrapped and early warning is carried out.
Preferably, in the step S3, whether the service life threshold is exceeded is determined based on the number of times of use in the dynamic combination number, if the new tool does not need to be replaced, the next step is performed, if the new tool needs to be replaced, and if no spare tool exists in the same group of tools, an early warning is given.
An automatic tool changing and compensation machining system comprising:
the cutter numbering module: numbering a plurality of cutters in the machine, recording the use times of the cutters, and forming a dynamic combination number;
the cutter compensation module: measuring the measured value of the size of the machined part through the measuring pin, if the measured value does not accord with the preset value, performing length compensation on the cutter, updating length compensation information into a corresponding cutter calibration system based on the dynamic combination number information, and machining the part again;
cutter life judges the module: if the size of the machined part meets the preset value, the service life of the corresponding cutter is judged based on the combined number, if the service life exceeds the threshold value of the service life, the cutter is replaced, and if not, the cutter continues to machine the next part.
In yet another embodiment of the present invention, a computer device is provided that includes a processor and a memory for storing a computer program comprising program instructions, the processor for executing the program instructions stored by the computer storage medium. The Processor may be a Central Processing Unit (CPU), or may be other general-purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable gate array (FPGA) or other Programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, etc., which is a computing core and a control core of the terminal, and is specifically adapted to load and execute one or more instructions in a computer storage medium to implement a corresponding method flow or a corresponding function; the processor of the embodiments of the present invention may be used for operation of an automatic tool changing and compensation machining method.
In yet another embodiment of the present invention, the present invention further provides a storage medium, specifically a computer-readable storage medium (Memory), which is a Memory device in a computer device and is used for storing programs and data. It is understood that the computer readable storage medium herein can include both built-in storage media in the computer device and, of course, extended storage media supported by the computer device. The computer-readable storage medium provides a storage space storing an operating system of the terminal. Also, one or more instructions, which may be one or more computer programs (including program code), are stored in the memory space and are adapted to be loaded and executed by the processor. It should be noted that the computer-readable storage medium may be a high-speed RAM memory, or may be a non-volatile memory (non-volatile memory), such as at least one disk memory. One or more instructions stored in a computer-readable storage medium may be loaded and executed by a processor to perform the corresponding steps in the above embodiments with respect to an automatic tool changing and compensation machining method.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An automatic tool changing and compensating machining method is characterized by comprising the following steps:
s1: grouping and respectively numbering a plurality of cutters in the machine, recording the use times of the cutters, and forming a dynamic combination number;
s2: measuring the measured value of the size of the machined part through the measuring pin, if the measured value does not accord with the preset value, performing length compensation on the cutter, updating length compensation information into a corresponding cutter calibration system based on the dynamic combination number information, and machining the part again;
s3: if the size of the machined part meets the preset value, the service life of the corresponding cutter is judged based on the combined number, if the service life exceeds the threshold value of the service life, the cutter is replaced, and if not, the cutter continues to machine the next part.
2. The automatic tool changing and compensating machining method according to claim 1, wherein the dynamic combination number in step S1 includes a tool set number, a specific number of the tool in the tool set, and an accumulated or decreased number of times of use number.
3. The automatic tool changing and compensating machining method according to claim 1, wherein a tool with a small number of uses is preferentially used in step S1.
4. The automatic tool changing and compensation machining method according to claim 1, wherein in step S1, a threshold of the number of times of use is preset for all the tools based on the machining amount and material of the product to be machined and the wear coefficient of the tools.
5. The automatic tool changing and compensating machining method according to claim 1, wherein the step S2 of updating the length compensation information to the corresponding tool calibration system based on the dynamic combination number information comprises the steps of:
calculating the difference value between the measured value and the preset value of the size of the machined part, and obtaining a correction coefficient according to the use times in the dynamic combination number information; the product of the difference and the correction coefficient is used as the wear compensation value of the tool.
6. The automatic tool changing and compensating processing method according to claim 1, wherein the failure to meet the preset value in step S2 includes two situations, if the measured value of the size of the processed part is greater than the difference of the parts, the length of the tool is compensated, and the length compensation information is updated to the corresponding tool calibration system based on the dynamic combination number information, and the part is processed again;
and if the measured value of the size of the machined part is smaller than the lower difference of the part, the part is scrapped and early warning is carried out.
7. The automatic tool changing and compensation processing method according to claim 1, wherein in step S3, it is determined whether the service life threshold is exceeded based on the number of times of use in the dynamic combination number, if it is not necessary to replace a new tool, the next step is performed, if it is necessary to replace the new tool, and if there is no spare tool in the same group of tools, an early warning is issued.
8. An automatic tool changing and compensation machining system, characterized in that an automatic tool changing and compensation machining method based on any one of claims 1 to 7 comprises:
the cutter numbering module: numbering a plurality of cutters in the machine, and recording the use times of the cutters to form dynamic combination numbers;
the cutter compensation module: measuring the measured value of the size of the machined part through the measuring pin, if the measured value does not accord with the preset value, performing length compensation on the cutter, updating length compensation information into a corresponding cutter calibration system based on the dynamic combination number information, and machining the part again;
cutter life judges the module: if the size of the machined part meets the preset value, the service life of the corresponding cutter is judged based on the combined number, if the service life exceeds the threshold value of the service life, the cutter is replaced, and if not, the cutter continues to machine the next part.
9. A computer arrangement comprising a memory, a processor and a computer program stored in said memory and executable on said processor, characterized in that said processor when executing said computer program performs the steps of an automatic tool changing and compensation machining method according to any of claims 1 to 7.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of an automatic tool changing and compensation machining method according to any one of claims 1 to 7.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115755766A (en) * | 2022-11-16 | 2023-03-07 | 新代科技(苏州)有限公司 | Group cutter function for machining center |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115755766A (en) * | 2022-11-16 | 2023-03-07 | 新代科技(苏州)有限公司 | Group cutter function for machining center |
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