CN114800047B - Method for automatically checking and judging whether tool setting geometric parameter information is correct or not by adopting numerical control machine tool laser tool setting system - Google Patents
Method for automatically checking and judging whether tool setting geometric parameter information is correct or not by adopting numerical control machine tool laser tool setting system Download PDFInfo
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- CN114800047B CN114800047B CN202210410272.3A CN202210410272A CN114800047B CN 114800047 B CN114800047 B CN 114800047B CN 202210410272 A CN202210410272 A CN 202210410272A CN 114800047 B CN114800047 B CN 114800047B
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims description 17
- 238000012937 correction Methods 0.000 claims description 12
- 230000009191 jumping Effects 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 description 19
- 238000003860 storage Methods 0.000 description 15
- 238000004590 computer program Methods 0.000 description 12
- 238000003801 milling Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
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Abstract
The invention provides a method for automatically checking and judging whether the geometric parameter information of tool setting is correct by adopting a laser tool setting system of a numerical control machine, wherein a standard tool is adopted to correct the laser tool setting system, and offset position information used in measurement is assigned according to the characteristics of the tool; then, collecting geometric information of a current forming cutter in the cutter list and tool setting geometric parameter information of a tool setting position of the current cutter, and assigning the geometric information to a forming system; calculating the difference value between the tool setting geometric parameter information and the current tool geometric parameter information, adjusting the tool setting position by the forming system based on the difference value, and measuring the tool setting radius by using the laser tool setting system; the maximum length of the cutter is checked by using a standard block by utilizing the difference value between the cutter length and the maximum cutter length, so that the correctness of the cutter length is indirectly ensured, and the purpose of checking and feeding back the information such as the cutter length, the radius and the like which can not be directly measured is achieved.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a method for automatically checking and judging whether tool setting geometric parameter information of a tool is correct by adopting a laser tool setting system of a numerical control machine tool.
Background
In order to meet increasingly strict surface integrity control requirements of aircraft engine rotor components and meet machining requirements of mixed-profile structures, non-standard rod-shaped cutters such as formed milling cutters, chamfer countersinks and the like are commonly used in daily part machining.
For common rod-shaped cutters such as drills, milling cutters, reamers and the like, geometric information such as cutter length, radius, cutter nose fillets and the like is generally only required to be collected, besides the measurement and the inspection are carried out by using a tool setting gauge outside a machine, the measurement modes such as a micrometer and a standard block can also be directly used for correction, and therefore the accuracy of the machining process is ensured. In the use process of the forming cutter, in order to meet the requirements of a part machining structure, the cutter is often required to be set at a specific pitch circle or height of the cutter, so that the geometric dimension and form and position tolerance requirements of a machining part are ensured.
The length and radius of the tool measured by the tool setting gauge cannot be verified by other simple and rapid measuring means under the influence of the structure of the formed tool. The method lacks the measures of error prevention for human errors such as error in using a coordinate system to call the current cutter, error in inputting cutter information, error in measuring cutter size and the like.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method for automatically checking and judging whether the tool setting geometric parameter information is correct by adopting a numerical control machine tool laser tool setting system, and automatically carrying out assignment operation according to the tool processing state to quickly obtain the tool setting geometric parameter value and improve the accuracy of the geometric parameter value.
The invention is realized by the following technical scheme:
A method for automatically checking and judging whether tool setting geometric parameter information is correct by adopting a laser tool setting system of a numerical control machine tool comprises the following steps:
S1: correcting a laser tool setting system by adopting a standard tool, and assigning a value to offset position information used in measurement according to the characteristics of the tool;
S2: collecting geometric information of a current forming cutter in the cutter list and cutter setting geometric parameter information of a cutter setting position of the current cutter, and assigning the geometric information to a forming system;
s3: calculating the difference value between the tool setting geometric parameter information and the current tool geometric parameter information, adjusting the tool setting position by the forming system based on the difference value, and measuring the tool setting radius by using the laser tool setting system;
s4: judging whether the tool setting radius is in a deviation range or not, and judging whether the geometric parameters of the tool interfere or not;
S5: and running the cutter to a designated position according to the initial parameter information of the cutter, and judging the length by adopting the correction long block.
Further, the tool setting geometric parameter information in the step S2 includes length, radius and rounded corner information.
Further, when the tool setting geometric parameter information is collected in the step S2, a laser tool setting system is adopted to measure the tool setting length and the radius of the using position.
Further, in step S2, current tool geometric parameter information collected by the laser tool setting system is adopted.
Further, the current tool geometry information in step S2 includes a maximum tool radius, a setback radius, and a tool length.
Further, in the step S4, a laser tool setting system is used to determine the radius of the tool fillet at the use position, and it is determined whether the radius of the tool fillet is within the deviation range.
Further, the correction long block in the step S5 is a standard block with a length of 100.
A system for shaping a rod cutter, comprising:
And a correction acquisition module: the method comprises the steps of correcting a laser tool setting system by using a standard tool, and assigning a value to offset position information used in measurement according to the characteristics of the tool;
The data acquisition module is used for acquiring the geometric information of the current forming cutter in the cutter list and the cutter setting geometric parameter information of the cutter setting position of the current cutter and assigning the geometric information to the forming system;
The data processing module is used for calculating the difference value between the tool setting geometric parameter information and the current tool geometric parameter information, the forming system adjusts the tool setting position based on the difference value, and the laser tool setting system is used for measuring the tool setting radius;
the judging module is used for judging whether the tool setting radius is in a deviation range or not and judging whether the geometric parameters of the tool interfere or not;
And the control module is used for running the cutter to a designated position according to the initial parameter information of the cutter and judging the length by adopting the correction long block.
A computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of a method of shaping a rod cutter when the computer program is executed.
A computer readable storage medium storing a computer program which, when executed by a processor, implements the steps of a method of shaping a rod cutter.
Compared with the prior art, the invention has the following beneficial technical effects:
The invention provides a method for automatically checking and judging whether tool setting geometric parameter information is correct by adopting a laser tool setting system of a numerical control machine tool, which is used for preventing error of input information such as length, radius, fillet and the like of a rod-shaped tool for forming and processing such as a chamfering countersink, a rounding countersink, an inverted chamfer milling cutter, a T-shaped milling cutter and the like, correcting the laser tool setting system by adopting a standard tool, and assigning value to offset position information used in measurement according to the characteristics of the tool; collecting geometric information of a current forming cutter in the cutter list and cutter setting geometric parameter information of a cutter setting position of the current cutter, and assigning the geometric information to a forming system; calculating the difference value between the tool setting geometric parameter information and the current tool geometric parameter information, adjusting the tool setting position by the forming system based on the difference value, and measuring the tool setting radius by using the laser tool setting system; and (5) correlating the maximum length, the tool setting length and the tool setting radius, and reversely measuring to judge whether the tool setting radius is correct. And the maximum length of the cutter is checked by using a standard block by utilizing the difference value between the cutter length and the maximum cutter length, so that the correctness of the cutter length is indirectly ensured. The purpose of checking and feeding back the information such as the length, the radius and the like of the cutter which cannot be directly measured is achieved. Meanwhile, typical characteristics such as cutter advance and retreat clearance of a cutter, machining clearance between the cutter and a part during machining, effective edge length of the cutter and the like are judged, so that the problem of part machining quality caused by the cutter is avoided. The method is used for a numerical control machine tool with a laser tool setting system, greatly simplifies the operation steps of correcting and observing before tool machining, reduces the skill level requirement of operators, improves the operability and automation level of the tool setting error prevention process of the molding machining rod-shaped tool, effectively prevents the product quality problem caused by human misoperation or input error in the tool setting process, and has strong adaptability and large-scale application in a machining field.
Drawings
FIG. 1 is a flow chart of a method for automatically checking and judging whether the tool setting geometric parameter information is correct by using a laser tool setting system of a numerical control machine tool;
FIG. 2 is a schematic diagram of a forming tool for machining a rod in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of a chamfering countersink forming process in an embodiment of the invention;
FIG. 4 is a schematic view of the reverse chamfer milling cutter according to an embodiment of the present invention;
FIG. 5 is a schematic view of a method of machining a round countersink in accordance with an embodiment of the present invention;
Fig. 6 is a schematic diagram of a T-milling cutter according to an embodiment of the present invention.
Detailed Description
The invention will now be described in further detail with reference to specific examples, which are intended to illustrate, but not to limit, the invention.
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise 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 a method for automatically checking and judging whether tool setting geometric parameter information of a tool is correct by adopting a laser tool setting system of a numerical control machine, as shown in figure 1, comprising the following steps:
S1: correcting a laser tool setting system by adopting a standard tool, and assigning a value to offset position information used in measurement according to the characteristics of the tool;
S2, acquiring geometric information of a current forming cutter in the cutter list and cutter setting geometric parameter information of a cutter setting position of the current cutter, and assigning the geometric information to the forming system;
s3: calculating the difference value between the tool setting geometric parameter information and the current tool geometric parameter information, adjusting the tool setting position by the forming system based on the difference value, and measuring the tool setting radius by using the laser tool setting system;
s4: judging whether the tool setting radius is in a deviation range or not, and judging whether the geometric parameters of the tool interfere or not;
S5: and running the cutter to a designated position according to the initial parameter information of the cutter, and judging the length by adopting the correction long block.
Specifically, the application relates to a method for automatically checking and judging whether the geometric parameter information of tool setting is correct by adopting a laser tool setting system of a numerical control machine tool, which can be used for preventing error and error of input information of the length, the radius, the fillet and the like of a rod-shaped tool for forming and processing such as a chamfering countersink, a rounding countersink, an inverted chamfer milling cutter, a T-shaped milling cutter and the like, as shown in fig. 2,3, 4, 5 and 6. And (5) correlating the maximum length, the tool setting length and the tool setting radius, and reversely measuring to judge whether the tool setting radius is correct. And the maximum length of the cutter is checked by using a standard block by utilizing the difference value between the cutter length and the maximum cutter length, so that the correctness of the cutter length is indirectly ensured. The purpose of checking and feeding back the information such as the length, the radius and the like of the cutter which cannot be directly measured is achieved. Meanwhile, typical characteristics such as cutter advance and retreat clearance of a cutter, machining clearance between the cutter and a part during machining, effective edge length of the cutter and the like are judged, so that the problem of part machining quality caused by the cutter is avoided. The method can be popularized and applied to a numerical control machine tool with a laser tool setting system, greatly simplifies the operation steps of correcting and observing before tool machining, reduces the skill level requirement of operators, improves the operability and automation level of the tool setting error prevention process of the rod-shaped tool for forming machining, effectively prevents the product quality problem caused by human misoperation or input error in the tool setting process, and has strong adaptability and on-site popularization value.
Further, the tool setting geometry information in step S2 includes length, radius and rounded corner information, where the length is denoted as LD, the radius is denoted as RD, and the rounded corner is denoted as R2.
Further, when the tool setting geometric parameter information is collected in the step S2, a laser tool setting system is adopted to measure the tool setting length and the radius of the using position; further, in the step S2, current tool geometric parameter information collected by the laser tool setting system may be adopted; specifically, the current tool geometry information in step S2 includes a maximum tool radius RMAX, a retracted radius RMIN, and a tool length LMAX.
Further, in the step S4, a laser tool setting system is used to determine the radius of the tool fillet at the use position, and determine whether the radius of the tool fillet is within the deviation range.
Further, in the step S5, the correction long block is a standard block with a length of 100, and the standard block correction process is to place the standard block at the knife tip of the current forming tool, stop the knife tip at the top of the standard block, and place the bottom of the standard block at the top of the part for correction.
A preferred embodiment provided by the present invention is,
Correcting the 90-degree inverted chamfer milling cutter at a machining center by using a BLUM tool setting system;
And measuring the radius and length information of the cutter on an off-board tool setting gauge, and inputting the information into a cutter table.
And assigning and calling a reverse milling cutter to correct the numerical control program, and measuring the maximum length, the diameter at the retracted position and the maximum diameter at the cutter head by using a laser tool setting system.
And calculating the difference between the maximum length of the cutter and the tool setting length, assigning the difference to the length direction offset value, measuring the tool setting radius again, and assigning the value to the parameter.
And comparing the re-measured tool radius with the initial input radius, if the re-measured tool radius is within the error range, continuing running the program, and if the re-measured tool radius does not meet the error range, jumping out the program and reporting the error of the machine tool to pause.
And calculating the drop height and the effective blade length of the cutter according to the measured diameter of the retracted position of the cutter and the maximum diameter of the cutter head, and judging whether the cutter interferes with the machined hole and the machined edge.
If no problem is detected, reassigning the initial input value to a cutter list, recalling the cutter to run to the position 100 from the maximum length of the cutter to the height of the reference surface, and comparing by using a standard block gauge with the length of 100 to determine whether the cutter length is correct. And if the measurement is free of problems, the subsequent processing is continuously finished, so that the accuracy of the processing of the parts is ensured.
The invention provides a system for forming and processing a rod-shaped cutter, which comprises:
And a correction acquisition module: the method comprises the steps of correcting a laser tool setting system by using a standard tool, and assigning a value to offset position information used in measurement according to the characteristics of the tool;
The data acquisition module is used for acquiring the geometric information of the current forming cutter in the cutter list and the cutter setting geometric parameter information of the cutter setting position of the current cutter and assigning the geometric information to the forming system;
The data processing module is used for calculating the difference value between the tool setting geometric parameter information and the current tool geometric parameter information, the forming system adjusts the tool setting position based on the difference value, and the laser tool setting system is used for measuring the tool setting radius;
the judging module is used for judging whether the tool setting radius is in a deviation range or not and judging whether the geometric parameters of the tool interfere or not;
And the control module is used for running the cutter to a designated position according to the initial parameter information of the cutter and judging the length by adopting the correction long block.
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 including program instructions, the processor for executing the program instructions stored by the computer storage medium. The processor may be a central processing unit (Central Processing Unit, CPU), but may also be other general purpose processors, digital signal processors (DIGITAL SIGNAL Processor, DSP), application Specific Integrated Circuits (ASIC), off-the-shelf Programmable gate arrays (Field-Programmable GATEARRAY, FPGA) or other Programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc., which are the computational core and control core of the terminal adapted to implement one or more instructions, particularly adapted to load and execute one or more instructions within a computer storage medium to implement a corresponding method flow or corresponding function; the processor according to the embodiment of the invention can be used for the operation of a method for forming and processing a rod-shaped cutter.
In yet another embodiment of the present invention, a storage medium, specifically a computer readable storage medium (Memory), is a Memory device in a computer device, for storing a program and data. It is understood that the computer readable storage medium herein may include both built-in storage media in a computer device and 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 stored in the memory space are one or more instructions, which may be one or more computer programs (including program code), adapted to be loaded and executed by the processor. The computer readable storage medium herein may be a high-speed RAM memory or a non-volatile memory (non-volatile memory), such as at least one magnetic disk memory. One or more instructions stored in a computer-readable storage medium may be loaded and executed by a processor to implement the corresponding steps of the method of shaping a rod cutter in the above embodiments.
It will be appreciated by those skilled in the art that 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 flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations 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 for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present invention.
Claims (1)
1. A method for automatically checking and judging whether tool setting geometric parameter information is correct by adopting a numerical control machine tool laser tool setting system is characterized in that the tool is a molding processing rod-shaped tool, and the method comprises the following steps:
S1: correcting a laser tool setting system by adopting a standard tool, and assigning a value to offset position information used in measurement according to the characteristics of the tool;
S2: collecting geometric information of a current cutter in the cutter list and tool setting geometric parameter information of a tool setting position of the current cutter, and assigning the geometric information to a forming system;
s3: calculating the difference value between the tool setting geometric parameter information and the current tool geometric parameter information, adjusting the tool setting position by the forming system based on the difference value, and measuring the tool setting radius by using the laser tool setting system;
s4: judging whether the tool setting radius is within a deviation range: comparing the re-measured tool setting radius with the initial input radius, if the re-measured tool setting radius is within the error range, continuing running the program, and if the re-measured tool setting radius does not meet the error range, jumping out the program and reporting errors of the machine tool to pause; judging whether geometric parameters of the cutter interfere or not: calculating the drop height and the effective blade length of the cutter according to the measured diameter of the retracted position of the cutter and the maximum diameter of the cutter head, and judging whether the cutter interferes with the machined hole and the machined edge;
s5: if the S4 is checked to be free of problems, the cutter is operated to a designated position according to the initial parameter information of the cutter, the length is judged by adopting a correction long block, whether the cutter length is correct or not is determined, and if the measurement is free of problems, the subsequent processing is continuously completed;
the tool setting geometric parameter information in the step S2 comprises length, radius and fillet information;
When the tool setting geometric parameter information is acquired in the step S2, a laser tool setting system is adopted to measure the tool setting length and the radius of the using position;
in the step S2, the current cutter geometric parameter information acquired by a laser cutter setting system is adopted;
the current cutter geometric parameter information in the step S2 comprises a maximum cutter radius, a retracting position radius and a cutter length;
in the step S4, a laser tool setting system is adopted to judge the radius of the tool fillet at the using position, and whether the radius of the tool fillet is in the deviation range is determined.
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| CN109623485A (en) * | 2019-01-24 | 2019-04-16 | 江门市奥斯龙机械有限公司 | A kind of cutting tool for CNC machine length compensation system and method |
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| DE2847510A1 (en) * | 1978-11-02 | 1980-06-04 | Hueller Hille Gmbh | METHOD FOR CORRECTING THE LENGTHS AND RADIUS OF TOOLS, ESPECIALLY FOR NUMERICALLY CONTROLLED MACHINES WITH POSITION OR TRAVEL MEASURING SYSTEMS BY MEANS OF THE REQUIRED-ACTUAL COMPARISON |
| JP6000478B2 (en) * | 2014-01-24 | 2016-09-28 | 三菱電機株式会社 | Tool shape measuring apparatus and tool shape measuring method |
| CN107544427A (en) * | 2017-08-17 | 2018-01-05 | 上海诺倬力机电科技有限公司 | Presetting cutter method and system |
| CN111618657B (en) * | 2020-05-21 | 2021-04-27 | 西安交通大学 | Universal on-machine non-contact calibration method for eccentric parameters of milling cutter |
| CN113695645B (en) * | 2021-09-03 | 2022-07-01 | 中国工程物理研究院激光聚变研究中心 | Vertical offset correction method for micro-diameter diamond ball-end milling cutter |
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