WO2020080340A1 - シール施工の判定システム、プログラム、判定方法および学習システム - Google Patents

シール施工の判定システム、プログラム、判定方法および学習システム Download PDF

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Publication number
WO2020080340A1
WO2020080340A1 PCT/JP2019/040407 JP2019040407W WO2020080340A1 WO 2020080340 A1 WO2020080340 A1 WO 2020080340A1 JP 2019040407 W JP2019040407 W JP 2019040407W WO 2020080340 A1 WO2020080340 A1 WO 2020080340A1
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WIPO (PCT)
Prior art keywords
tightening
axial force
bolt
value
difference
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PCT/JP2019/040407
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English (en)
French (fr)
Japanese (ja)
Inventor
隆仁 西田
肇 野々垣
雅之 山邊
Original Assignee
株式会社バルカー
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 株式会社バルカー filed Critical 株式会社バルカー
Priority to CN201980067582.6A priority Critical patent/CN112839775B/zh
Priority to JP2020553176A priority patent/JP7370337B2/ja
Priority to SG11202103816UA priority patent/SG11202103816UA/en
Priority to KR1020217007882A priority patent/KR102671538B1/ko
Publication of WO2020080340A1 publication Critical patent/WO2020080340A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00—Teaching not covered by other main groups of this subclass

Definitions

  • the present invention relates to determination technology and learning for seal construction such as flange joints of pipes.
  • Flange joints are used to connect pipes and fluid devices such as pump units.
  • a gasket is sandwiched and fastened by a plurality of bolts and nuts arranged on the peripheral edge of the flange.
  • a mobile information terminal connected to the management server by communication is provided, and tightening data related to tool information and worker information acquired by this mobile information terminal is provided to the management server.
  • Patent Document 1 Regarding the skill determination of flange fastening, it is equipped with a measurement unit, calculation unit, determination unit and output unit, and the measurement unit acquires the transition of the output signal from the strain gauge installed on the bolt, and the calculation unit distorts during tightening work.
  • the calculation result showing the variation of the gauge output signal and the calculation result showing the variation of the output signal of the strain gauge at the time of completion of tightening are obtained, and the judging section compares the skill of the subject with the judgment standard for each skill judgment item. It is known that the determination is made at three skill levels, and the output unit outputs the determination result (for example, Patent Document 2). Regarding monitoring of seal construction, it is known that axial force distribution information is generated from bolt axial force and position information for tightening a flange joint, and this axial force distribution information is presented and monitored (for example, Patent Document 3). .
  • an object of the present invention is, in view of the above-mentioned problems, and based on the knowledge necessary for sealing work, to facilitate the determination of the state of sealing work, and contribute to the improvement of reliability and construction skill of sealing work.
  • a seal construction determination system that determines a construction result by a face-to-face distance of a flange sandwiched with a gasket and fastened with a bolt and a nut.
  • a sealing part having a flange sandwiching a gasket and fastened with bolts and nuts, a face-to-face distance measuring part for measuring the face-to-face distance of the flange, and a plurality of stages from the start of tightening the bolt to the completion of tightening Then, the measured value of the inter-surface distance is taken in from the inter-surface distance measuring unit, the difference between the maximum value and the minimum value of these measured values is calculated, and the skill level is judged by comparing this difference with a judgment standard.
  • a processing unit and an information presenting unit that presents any or all of the calculation information and the calculation result processed by the processing unit.
  • an axial force measuring unit for measuring an axial force applied from the bolt to the flange is provided,
  • the processing unit takes in the measured values of the axial force of the bolt at a plurality of stages from the start of tightening the bolt to the completion of tightening, calculates the average value of these measured values, and determines the average value and the determination standard. Compare to determine the skill level,
  • the information presenting section may present any or all of the calculation information and the calculation result processed by the processing section.
  • the difference between the maximum value and the minimum value of these measured values is calculated, and the skill level is determined by comparing this difference with the determination standard. Either or all of the calculation information or the calculation result to be processed may be presented.
  • the processing section may calculate a deviation amount of the difference from a reference value, and compare the deviation amount with a determination reference to determine a skill level.
  • the processing unit may perform information processing in association with any one or two or more of the measurement portion of the surface distance on the flange and the tightening timing, and the identification information in association with the identification information.
  • a program to be realized by a computer wherein the bolt of a seal execution portion includes a flange sandwiching a gasket and fastened with a bolt and a nut.
  • the function to capture the measured value of the face-to-face distance of the flange and the difference between the maximum value and the minimum value of the measured value are calculated, and this difference is compared with the judgment standard.
  • the computer is made to realize the function of determining the skill level and the function of generating any or all of the presentation information of the computation information or the computation result processed by the processing unit.
  • a function to take in the measured value of the axial force from the bolt and an average value of the measured values are calculated, and the average value is determined. It may include a function of determining a skill level by comparing with a reference, and a function of generating presentation information of any or all of calculation information and calculation results processed by the processing unit.
  • the function of capturing the measured value of the axial force from the bolt and calculating the difference between the maximum value and the minimum value of the measured value may include a function of judging the skill level by comparing this difference with a judgment standard, and a function of generating any or all of the presentation information of the computation information or the computation result processed by the processing unit.
  • This program may include a function of calculating a deviation amount of the difference with respect to a reference value and comparing the deviation amount with a determination reference to determine a skill level.
  • a seal construction part having a flange sandwiching a gasket and fastened with a bolt and a nut, in a step of measuring a surface distance between the flanges, and in a plurality of stages from the tightening start of the bolt to the completion of the tightening, Taking in the measured value of the inter-distance, calculating the average value of these measured values, the step of judging the skill level by comparing this average value with the judgment standard, or calculating the difference between the maximum value and the minimum value, And comparing the difference with a criterion to determine the skill level.
  • this seal construction determination method further, a step of measuring an axial force applied from the bolt to the flange, and a plurality of stages from the tightening start of the bolt to the completion of tightening, the measured value of the axial force is taken in from the bolt.
  • the step of calculating an average value of these measured values and comparing the average value with a determination standard to determine the skill level may be included.
  • a step of measuring an axial force applied to the flange from the bolt, and a plurality of stages from the tightening start of the bolt to the completion of tightening the measured value of the axial force is taken in from the bolt.
  • This seal construction determination method may include a step of calculating a deviation amount from the reference value of the difference and comparing the deviation amount with a determination reference to determine a skill level.
  • seal construction learning system of the present invention in the seal construction learning system that learns the seal construction by using the face-to-face distance of the flange sandwiched with the gasket and fastened with the bolt and the nut.
  • a seal construction part including a flange that sandwiches a gasket and is fastened with bolts and nuts, a face-to-face distance measuring part that measures the face-to-face distance of the flange, and a plurality of bolts from the start of tightening to the completion of tightening.
  • the measurement value of the inter-surface distance is taken in from the inter-surface distance measuring unit, the difference between the maximum value and the minimum value of these measurement values is calculated, and the difference is compared with the judgment standard to determine the skill level.
  • a determination processing unit and an information presenting unit that presents any or all of the operation information and operation results processed by the processing unit are provided.
  • an axial force measuring unit for measuring an axial force applied from the bolt to the flange is provided, and the processing unit is at a plurality of stages from the tightening start to the tightening completion of the bolt, The measurement value is taken in from the axial force measurement unit, the average value of the differences between these measurement values is calculated, the skill level is determined by comparing the average value with a determination standard, and the information presentation unit is processed by the processing unit. Any or all of the calculation information and the calculation result to be displayed may be presented.
  • an axial force measuring unit for measuring an axial force applied from the bolt to the flange is provided, and the processing unit is at a plurality of stages from the tightening start to the tightening completion of the bolt, The measured value is taken in from the axial force measuring unit, the difference between the maximum value and the minimum value of these measured values is calculated, and the skill level is judged by comparing this difference with a judgment standard. Any or all of the calculation information and the calculation result processed by the unit may be presented.
  • the face-to-face distance between flanges which affects the accuracy of seal installation, can be measured, and the dispersion of the measured values can be grasped, and the skill level of the seal installation operator can be judged from the dispersion.
  • the face-to-face distance is measured and evaluated by the uneven tightening between flanges (single tightening condition) and the difference in axial force, the condition of single tightening and elastic interaction is quantified and evaluated at the skill level. It is possible to contribute to improving the skill of the seal builder.
  • Compliance with JIS and other standard procedures can also be used to verify that the skill level appears, and to confirm that a low skill level is judged from the construction results does not comply with JIS and other standard procedures. Is also available.
  • a system that can be used for construction training, construction verification, etc. can be constructed, and can also be used for a training facility and a seal construction learning system using an actual machine.
  • A is a figure which shows a seal construction part
  • B is a figure for demonstrating the measurement position of the surface distance of a flange, and its measurement.
  • It is a figure which shows the seal construction determination file which concerns on 1st Embodiment.
  • It is a figure which shows the processing sequence of a seal construction determination system.
  • It is a figure which shows the seal construction determination system which concerns on 2nd Embodiment.
  • It is a figure which shows the seal construction determination file which concerns on 2nd Embodiment.
  • It is a figure which shows the processing sequence of a seal construction determination system.
  • It is a figure which shows the seal construction determination file which concerns on 3rd Embodiment.
  • FIG. 1 shows a seal construction determination system according to the first embodiment.
  • the configuration shown in FIG. 1 is an example, and the present invention is not limited to such a configuration.
  • the seal construction determination system 2 determines the skill level of the builder based on the seal construction measurement information.
  • the seal construction determination system 2 includes a seal construction unit 4, a surface distance measurement unit (hereinafter, simply referred to as “measurement unit”) 6, a processing unit 8, a storage unit 10, and an information presenting unit 12.
  • the seal construction part 4 is, for example, a fastening part of the pipes 14-1 and 14-2.
  • a gasket 18 is sandwiched between a flange joint (hereinafter simply referred to as “flange”) 16-1 on the pipe 14-1 side and a flange 16-2 on the pipe 14-2 side, and a plurality of bolts 20 are provided.
  • flange flange joint
  • a tightening tool 24 is used to tighten the bolts 20-1, 20-2, ..., 20-N and the nut 22.
  • the surface distance D between the flanges 16-1 and 16-2 is the distance between the facing surfaces of the flanges 16-1 and 16-2 and represents the distance at the measurement site.
  • the measuring unit 6 measures the surface distance D at the measurement site and outputs the measured value.
  • a gap gauge or the like may be used for the measuring unit 6 in addition to the inter-flange measuring device using a laser beam or the like.
  • a through hole for attaching a length measuring device is provided between the bolts having the center diameter of the bolt of one of the flanges 16-1 to measure the distance between the surfaces of the facing flange 16-2. Just touch the tip of the vessel and measure the distance. It is desirable to install at least one diagonal pair and two or more diagonal diagonal pairs.
  • a length measuring device may be attached to the outer edge of one of the flanges 16-1, and a protrusion for receiving the tip of the length measuring device may be provided on the outer edge of the flange 16-2 on the opposite side.
  • the processing unit 8 is, for example, a computing device such as a computer.
  • the processing of the processing unit 8 includes a) a process of taking the measured value of the inter-plane distance D, b) a process of writing the identification value of the measured value into the storage unit 10, and c) extraction of the maximum value and the minimum value from the measured value. Processing, d) calculation processing of the difference between the maximum value and the minimum value of the measured value, e) determination processing of the calculation result, f) information presentation processing, and the like.
  • the storage unit 10 stores the measured value of the inter-face distance D associated with the identification information and the like.
  • the storage unit 10 stores a first seal construction determination file 26-1 (FIG. 3) and the like that stores the measured value of the face-to-face distance D and the like.
  • the information presenting unit 12 presents either or both of the calculation information and the calculation result processed by the processing unit 8. This presentation information includes the measurement value of the inter-plane distance D, the calculation result of the measurement value, the transition information of the difference between the maximum value and the minimum value of the measurement value, the determination result, and the like.
  • ⁇ Measurement of the surface distance D between the flanges 16-1 and 16-2> 2A shows the seal application portion 4 as viewed from the flange 16-1 side.
  • eight bolts 20-1, 20-2, ..., 20-8 are used for the flanges 16-1, 16-2, and P1, P2 ,.
  • diagonal tightening is used to temporarily tighten the flanges 16-1 and 16-2. If the tightening start is P1, the diagonal tightening order is P1 ⁇ P5 ⁇ P3 ⁇ P7 ⁇ P2 ⁇ P6 ⁇ P4 ⁇ P8, and P8 is the tightening end point.
  • the measurement value d1 of the surface distance D of P1 is measured by the measurement unit 6, and for this measurement value d1, P1 represents identification information indicating the measurement position of the measurement value d1.
  • the bolt 20-1 may also be used as the identification information, and the measurement date and time or GPS (Global Positioning System) may be used as the identification information.
  • measurement positions P2, P3, ..., P8 are set as a plurality of measurement positions, measurement values d2 to d8 are obtained in the measurement unit 6.
  • the measurement of the distance between the flange surfaces is performed at a bolt position on the outer edge portion of the flange or between the bolts, and further, the measurement position is preferably the same or an approximate position.
  • the processing content of the processing unit 8 includes the following processing. a) Processing for Acquiring Measured Value of Interplane Distance D The measuring unit 6 measures the interplane distance D continuously or intermittently. This measured value is taken into the processing unit 8 at a predetermined timing. b) Writing process in the storage unit 10 The processing unit 8 executes a process of writing the measured value in the storage unit 10 together with its identification information.
  • the identification information is information for specifying the measured value, and is “measurement site of inter-surface distance D”, “member”, “measurement timing” or “bolts 20-1, 20-2, ..., 20-”. 8 tightening times "or two or more.
  • the “measurement part of the surface distance D” may be based on, for example, the positional information of the bolts 20-1, 20-2, ..., 20-8, but an angle representing the measurement part may be used. Good.
  • the “member” is, for example, part information such as the flanges 16-1 and 16-2.
  • As the “measurement timing”, measurement date and time, orbit information, etc. may be used.
  • the “tightening time of the bolts 20-1, 20-2, ..., 20-8” may be the tightening date and time. For this identification information, other information that can specify bolt tightening may be used, or two or more of these pieces of information may be combined.
  • the processing unit 8 extracts the maximum value and the minimum value from a plurality of acquired measured values in order to identify the variation and fluctuation of the measured values.
  • the maximum value and the minimum value of the measurement value of the surface distance D the values at the time of tightening or at the time of completion of tightening are used.
  • tightening means adjusting the alignment of the flanges 16-1 and 16-2, and when the surfaces of the flanges 16-1 and 16-2 are parallel, the bolts 20-1 and 20-2, ..., each stage during temporary tightening of 20-N, and at the end of each stage, during bolt tightening.
  • the processing unit 8 calculates the difference between the maximum value and the minimum value from a plurality of measured values in order to identify the variation and fluctuation of the measured values.
  • dk temporary tightening
  • dh final tightening
  • the processing unit 8 uses the distribution of the difference between the maximum value and the minimum value as a calculation result judgment function, and judges the skill level from the distribution level. If the reference values of the inter-plane distance D for the temporary tightening and the final tightening are ⁇ dkref and ⁇ dhref, the skill level La is determined by comparing the reference value ⁇ dkref with the difference ⁇ dk and comparing the reference value ⁇ dhref with the difference ⁇ dh. The skill level La (construction skill) is determined, for example, according to the magnitude of the difference ⁇ dh with respect to the reference value ⁇ dhref.
  • the processing unit 8 generates presentation information to be presented to the information presenting unit 12 and provides it to the information presenting unit 12.
  • the presentation information includes the measurement value of the inter-plane distance D, the calculation result of the measurement value, the transition information of the difference between the maximum value and the minimum value of the measurement value, the determination result of the skill level La, and the like.
  • FIG. 3 shows an example of the first seal construction determination file 26-1 stored in the storage unit 10.
  • a number part 28, an identification information part 30, a face distance part 32, and a skill level part 34 are stored in the seal construction determination file 26-1.
  • the number part 28 stores a number for specifying the storage information of the seal construction determination file 26-1.
  • the identification information section 30 stores identification information for specifying the inter-plane distance D.
  • the identification information section 30 includes, for example, a measurement site section 30-1 and a tightening timing section 30-2.
  • Information representing the measurement site Sn is stored in the measurement site section 30-1.
  • the tightening timing section 30-2 stores information indicating the tightening timing Tn.
  • the inter-plane distance information section 32 includes a temporary tightening measurement value section 32-1, a final tightening measurement value section 32-2, a maximum value section 32-3, a minimum value section 32-4, a difference section 32-5, and a reference value section 32. -6 is included.
  • the temporary tightening measurement value unit 32-1 stores the measured value dk of the inter-face distance D at the time of temporary tightening
  • the final tightening measurement value unit 32-2 stores the measured value dh of the inter-face distance D at the time of final tightening.
  • the maximum value section 32-3 stores the maximum value dkmax extracted from the measured value dk and the maximum value dhmax extracted from the measured value dh.
  • the minimum value section 32-4 stores the minimum value dkmin extracted from the measured value dk and the minimum value dhmin extracted from the measured value dh.
  • the difference section 32-5 stores the difference ⁇ dk between the maximum value dkmax and the minimum value dkmin, and the difference ⁇ dh between the maximum value dhmax and the minimum value dhmin.
  • Reference values ⁇ dkref and ⁇ dhref of the differences ⁇ dk and ⁇ dh are stored in the reference value section 32-6.
  • the skill level section 34 stores the above-mentioned skill level La as the determination result.
  • FIG. 4 shows a processing sequence by the seal construction determination system 2.
  • This processing sequence includes a processing procedure that is an example of a program or a construction determination method in the seal construction determination system 2 of the present invention.
  • the measuring unit 6, the processing unit 8 and the information presenting unit 12 are initialized, and the operation shifts to the linking operation.
  • the measurement unit 6 measures the surface distance D at a preset measurement position (S101).
  • the processing unit 8 captures the measured values dk and dh of the surface distance D (S102).
  • the processing unit 8 stores the captured measurement values dk and dh in the storage unit 10 together with the identification information (S103). Each measured value dk, dh is stored in the seal construction determination file 26-1 together with the identification information.
  • the processing unit 8 extracts the maximum values dkmax and dhmax and the minimum values dkmin and dhmin from the respective measured values dk and dh (S104).
  • the maximum values dkmax and dhmax and the minimum values dkmin and dhmin are stored in the seal construction determination file 26-1.
  • the processing unit 8 calculates the difference ⁇ dk between the maximum value dkmax and the minimum value dkmin, and the difference ⁇ dh between the maximum value dhmax and the minimum value dhmin (S105).
  • the processing unit 8 determines the skill level La by comparing the differences ⁇ dk and ⁇ dh with the reference values ⁇ dkref and ⁇ dhref (S106). After this determination, the processing unit 8 generates, for example, the seal construction determination file 26-1 as the presentation information and outputs this to the information processing unit 12 (S107).
  • the information presenting unit 12 that has received this presents the provided presentation information (S108).
  • the following effects can be obtained. (1) Since the elastic interaction or one-side tightening that occurs between the flanges 16-1 and 16-2 appears in the face-to-face distance D, the measured value of the face-to-face distance D and its transition are calculated and evaluated as the skill level La. be able to. (2) The seal builder can efficiently improve the construction skill by using the skill level La as an index. (3) The seal builder can avoid the elastic interaction and the partial tightening by recognizing the construction skill using the skill level La as an index, and can enhance the reliability of the seal installation.
  • the processing unit 8 the storage unit 10
  • the information presenting unit 12 as in the first embodiment, the axial force measuring unit (
  • the measuring unit 6 measures the surface distance D at the measurement site, as in the first embodiment.
  • the measuring unit 36 measures the axial force F of each bolt 20-1, 20-2, ..., 20-N.
  • the measuring unit 36 may include a plurality of axial force sensors that individually measure the axial forces of the bolts 20-1, 20-2, ..., 20-N.
  • the seal construction determination system 2 based on the measurement of the axial force F, the skill level Lb-1 (skill level of the axial force F), that is, whether the tightening surface pressure is within the proper range or not.
  • the process of determining is included.
  • the processing unit 8 performs the same processes a) to f) as in the first embodiment, g) a process of fetching the measured value of the axial force F, h) a process of writing the measured value together with identification information into the storage unit 10,
  • the processing includes i) average value calculation processing of measurement values, j) determination processing of the calculation result, and k) information presentation processing.
  • the storage unit 10 is provided with a second seal construction determination file 26-2 (FIG. 6).
  • the seal execution determination file 26-2 stores the measured values of the axial force F of the bolts 20-1, 20-2, ..., 20-N together with the identification information.
  • the information presenting unit 12 presents either or both of the calculation information and the calculation result processed by the processing unit 8. This presentation information includes the measured value of the axial force F, the average value information thereof, the determination result, and the like.
  • eight bolts 20-1, 20-2, ..., 20-8 on the flanges 16-1 and 16-2 are temporarily or permanently fastened.
  • the axial force F until the completion of is measured.
  • This measurement timing conforms to the measurement timing of the inter-plane distance D of the first embodiment.
  • P1 to P8 and the bolts 20-1 to 20-8 representing the bolt positions may be used as the identification information, and the measurement date and time, GPS, etc. may be used as the identification information.
  • the processing content of the processing unit 8 includes the following processing. g) Processing for Acquiring Measured Value f of Axial Force F The measuring unit 36 measures the axial force F continuously or intermittently. This measured value is taken into the processing unit 8 at a predetermined timing. h) Writing Process in Storage Unit 10 The processing unit 8 executes a process of writing the measured value f of the axial force F in the storage unit 10 together with its identification information.
  • the identification information is information for specifying the measured value, and includes “measurement site of axial force”, “member”, “measurement timing” or “bolts 20-1, 20-2, ..., 20-N”.
  • any one of the “tightening timing” or two or more may be used.
  • “Axial force measurement part” may be based on, for example, the bolts 20-1, 20-2, ..., 20-N.
  • the “member” is, for example, part information such as the flanges 16-1 and 16-2.
  • As the “measurement timing”, measurement date and time, orbit information, etc. may be used.
  • the “tightening time of the bolts 20-1, 20-2, ..., 20-N” may be the tightening date and time. For this identification information, other information that can specify bolt tightening may be used, or two or more of these pieces of information may be combined.
  • the processing of the processing unit 8 includes acquisition of the measurement value of the axial force F and calculation processing of average values fkave and fhave of the plurality of measurement values. That is, on the premise that the measured value of the axial force F of each bolt is acquired, for example, in the arithmetic processing of the average value fhave, a plurality of measured values f of the axial force F when fully tightened are acquired, and the average value fhave is obtained. Is calculated.
  • the judgment processing of the average value fhave (final tightening) of the axial force F is executed by the processing unit 8.
  • the target axial force range fhref final tightening
  • the average value of the axial force measured at the time of final tightening is included in the target axial force range fhref (final tightening)
  • the proper tightening surface pressure is secured, so it is determined that the sealing is appropriate. .
  • the processing unit 8 generates presentation information to be presented to the information presenting unit 12 and provides it to the information presenting unit 12.
  • the presentation information includes the measurement value of the axial force and the calculation result of the average value, that is, the determination result of whether or not a proper surface pressure is secured, and whether or not a proper seal construction is performed.
  • FIG. 6 shows an example of the second seal construction determination file 26-2 stored in the storage unit 10.
  • the seal construction determination file 26-2 stores an axial force portion 39 and a skill level portion 35 in addition to the seal construction determination file 26-1 (FIG. 3).
  • the axial force section 39 includes a temporary tightening measurement value section 39-1, a final tightening measurement value section 39-2, an average value section 39-3, and a target axial force range section 39-4.
  • the temporary tightening measurement value unit 39-1 stores a measured value fk of the axial force F at the time of temporary tightening
  • the final tightening measurement value unit 39-2 stores a measured value fh of the axial force F at the time of final tightening.
  • the average value part 39-3 stores the average value fkave of the plurality of measurement values fk and the average value fhave of the plurality of measurement values fh.
  • the target axial force range section 39-4 stores a target axial force range fkref during temporary tightening and a target axial force range fhref during final tightening.
  • the skill level section 35 stores the above-mentioned skill level Lb-1 which is the determination result.
  • FIG. 7 shows a processing sequence by the seal construction determination system 2 according to the second embodiment.
  • This processing sequence is an example of a processing procedure related to the program or the construction determination method in the seal construction determination system 2 of the present invention.
  • the axial force measuring unit 36 measures the axial force F at a preset measurement position in the process from the start of the temporary fastening and the final fastening of the seal construction unit 4 to the completion of the construction (S121).
  • the processing unit 8 takes in the measured values fk and fh of the axial force F (S122).
  • the processing unit 8 stores the captured measurement values fk and fh in the storage unit 10 together with the identification information (S123).
  • the measured values fk and fh are stored in the seal construction determination file 26-2 (FIG. 6) together with the identification information.
  • the processing unit 8 calculates average values fkave and fhave of the plurality of measured values fk and fh (S124) and stores them in the seal construction determination file 26-2 (FIG. 6). Regarding these average values fkave and fhave, depending on whether the average value fkave is within the target axial force range fkref or the average value fhave is within the target axial force range fhref, the skill level Lb-1 (skill of the axial force F The level is determined (S125). After this determination, the processing unit 8 generates, for example, the seal construction determination file 26-2 as the presentation information, and outputs this to the information processing unit 12 (S126). The information presenting unit 12 receiving this presents the provided presentation information (S127).
  • the measurement units 6 and 36 are provided, and the measurement value of the surface distance D from the measurement unit 6 is measured. Is taken into the processing unit 8, and the measured value of the axial force F is taken into the processing unit 8 from the measuring unit 36. Therefore, in the seal construction determination system 2 according to this embodiment, the skill level La (skill level of the face-to-face distance D), Lb-2 (axis) is measured by both the measurement of the face-to-face distance D and the measurement of the axial force F. Both of the skill level of the force F) are used to determine whether the tightening surface pressure is within an appropriate range.
  • the processing unit 8 performs the same processes a) to f) as in the first embodiment, l) the process of taking in the measured value of the axial force F, m) the process of writing the identification information of the measured value into the storage unit 10, n) The calculation processing of the average value of the measurement values, o) the calculation processing of the difference between the maximum value and the minimum value of the measurement values of the axial force F, p) the determination processing of the calculation result, q) the information presentation processing, etc. are included. .
  • the storage unit 10 is provided with a third seal construction determination file 26-3 (FIG. 8).
  • This seal construction determination file 26-3 stores the measured value of the axial force F of each bolt 20-1, 20-2, ..., 20-N and the measured value of the inter-face distance D together with the identification information. It The information presenting unit 12 presents either or both of the calculation information and the calculation result processed by the processing unit 8. This presentation information includes measured values of the axial force F and the surface distance D, transition information on the difference between the maximum value and the minimum value, determination results, and the like.
  • eight bolts 20-1, 20-2, ..., 20-8 on the flanges 16-1 and 16-2 are temporarily or permanently fastened.
  • the axial force F until the completion of is measured.
  • This measurement timing conforms to the measurement timing of the inter-plane distance D of the first embodiment.
  • the bolt positions P1 to P8 and the bolts 20-1 to 20-8 may be used as the identification information, and the measurement date and time or GPS may be used as the identification information.
  • the processing content of the processing unit 8 includes the following processing. 1) Processing for Acquiring Measured Value f of Axial Force F The measuring unit 36 measures the axial force F continuously or intermittently. This measured value f is taken into the processing unit 8 at a predetermined timing. m) Writing process in the storage unit 10 The processing unit 8 executes a process of writing the measured value f of the axial force F in the storage unit 10 together with its identification information.
  • the identification information is information for specifying the measured value, and includes the "measurement site of axial force", “member”, “measurement timing” or “bolts 20-1, 20-2, ..., 20-N".
  • any one of the “tightening timing” or two or more may be used.
  • “Axial force measurement part” may be based on, for example, the bolts 20-1, 20-2, ..., 20-N.
  • the “member” is, for example, part information such as the flanges 16-1 and 16-2.
  • As the “measurement timing”, measurement date and time, orbit information, etc. may be used.
  • the “tightening time of the bolts 20-1, 20-2, ..., 20-N” may be the tightening date and time. For this identification information, other information that can specify bolt tightening may be used, or two or more of these pieces of information may be combined.
  • the processing unit 8 extracts maximum value and minimum value from a plurality of acquired measured values in order to identify variations and fluctuations of the measured value of axial force. To do.
  • maximum and minimum measured values use the values when tightening or when tightening is completed.
  • tightening means adjusting the alignment of the flanges 16-1 and 16-2, and when the surfaces of the flanges 16-1 and 16-2 are parallel, the bolts 20-1 and 20-2, ..., each stage during temporary tightening of 20-N, and at the end of each stage, during bolt tightening.
  • the processing unit 8 calculates the difference between the maximum value and the minimum value from a plurality of measured values in order to identify the variation and fluctuation of the measured values. .
  • the difference between the maximum value fkmax and the minimum value fkmin of the temporary tightening is ⁇ fk
  • the difference between the maximum value fhmax and the minimum value fhmin of the final tightening is ⁇ fh.
  • the processing unit 8 uses the distribution of the difference between the maximum value and the minimum value as the calculation result judgment function, and judges the skill level from the distribution level. If the reference values of the axial force for temporary tightening and final tightening are ⁇ fkref and ⁇ fhref, the skill level Lb-2 is determined by comparing the reference value ⁇ fkref with the difference ⁇ fk and comparing the reference value ⁇ fhref with the difference ⁇ fh.
  • the skill level Lb-2 (construction skill) is determined, for example, according to the magnitude of the difference ⁇ fh from the reference value ⁇ fhref.
  • the processing unit 8 generates presentation information to be presented to the information presentation unit 12 and provides it to the information presentation unit 12.
  • the presentation information includes the measured value of the axial force, the calculation result of the measured value, the transition information of the difference between the maximum value and the minimum value of the measured value, the determination result of the skill level Lb-2, and the like.
  • FIG. 8 shows an example of the third seal construction determination file 26-3 stored in the storage unit 10.
  • the seal construction determination file 26-3 stores a step portion 38, an axial force portion 40, a surface distance portion 42, a pass / fail portion 44, and a comprehensive determination portion 45.
  • a temporary fastening portion 38-1 and a final fastening portion 38-2 are set in the step portion 38.
  • Position symbols 1, 2, ..., P are set in the temporary fastening portion 38-1, and the final fastening portion 38-2 is set in the final fastening portion 38-2.
  • position symbols 1, 2, ..., Q are set.
  • Position symbols 1, 2, ..., P, Q indicate tightening positions.
  • the axial force section 40 includes a measured value section 40-1, a maximum value section 40-2, a minimum value section 40-3, a difference value section 40-4, a temporary tightening section 38-1, and a final tightening section 38-2.
  • An average value section 40-5 and a reference value section 40-6 are set.
  • the measured value portion 40-1 stores the measured values of the axial force F in the tightening measurement order 1, 2, ..., N.
  • the maximum value 40-2 stores the maximum value of the measured axial force F.
  • the minimum value of the measured axial force F is stored in the minimum value section 40-3.
  • the difference value portion 40-4 stores the maximum value-minimum value.
  • the average value section 40-5 stores the average value of the maximum value and the minimum value of the axial force F.
  • the reference value of the axial force F is stored in the reference value section 40-6.
  • the inter-plane distance section 42 includes a temporary tightening section 38-1, a final tightening section 38-2, a measurement value section 42-1, a maximum value section 42-2, a minimum value section 42-3, and a difference value section 42-4.
  • the reference value part 42-5 is set.
  • the measured value section 42-1 stores the measured value of the inter-plane distance D in the tightening measurement order 1, 2, ..., N.
  • the maximum value of the measured inter-plane distance D is stored in the maximum value section 42-2.
  • the minimum value 42-3 stores the minimum value of the measured surface distance D.
  • the difference value section 42-4 stores the maximum value-minimum value.
  • the reference value of the surface distance D is stored in the reference value portion 42-5.
  • the pass / fail section 44 stores pass / fail results of each position of the temporary tightening section 38-1 and the final tightening section 38-2. Then, the comprehensive judgment unit 45 stores the comprehensive judgment result obtained from the pass / fail result. This comprehensive determination result indicates whether the axial force F and the surface distance D are within the reference values. That is, the comprehensive determination unit 45 stores the determination result of whether or not the proper tightening is performed. Also in this embodiment, the above-mentioned seal construction determination file 26-2 (FIG. 6) can be used. Since the seal construction determination file 26-2 has already been described in detail, its details are omitted.
  • FIG. 9 shows a processing sequence by the seal construction determination system 2.
  • This processing sequence includes a processing procedure that is an example of a program or a construction determination method in the seal construction determination system 2 of the present invention.
  • the skill of the worker is evaluated by the average of the axial force and the surface distance at each step, and the difference between the maximum value and the minimum value, and the pass / fail judgment is made for each step or after the completion of main tightening.
  • the measurement is performed at predetermined steps.
  • the reference value for the determination is set separately according to the work level required for each fastening work.
  • the steps for determining the same day are set separately depending on the work level required for each fastening work.
  • this processing procedure includes the following processing for the axial force F.
  • the measurement unit 6 measures the face-to-face distance D at a preset measurement position (S201), and the measurement unit 36 is preset.
  • the axial force F is measured at the measured position (S202).
  • the processing unit 8 captures the measured values dk and dh of the surface distance D (S203).
  • the processing unit 8 executes taking in the measured values fk and fh of the axial force F (S204).
  • the processing unit 8 stores the captured measurement values dk, dh, fk, and fh in the storage unit 10 together with the identification information (S205).
  • Each measured value dk, dh is stored in the seal construction determination file 26-1 together with the identification information.
  • the measured values fk and fh are stored in the seal construction determination file 26-3 together with the identification information.
  • the processing unit 8 extracts the maximum values dkmax and dhmax and the minimum values dkmin and dhmin from the respective measured values dk and dh (S206).
  • the processing unit 8 extracts the maximum values fkmax, fhmax and the minimum values fkmin, fhmin from the respective measured values fk, fh (S207).
  • the maximum values dkmax and dhmax and the minimum values dkmin and dhmin are stored in the seal construction determination file 26-1.
  • the maximum values fkmax, fhmax and the minimum values fkmin, fhmin are stored in the seal construction determination file 26-3.
  • the processing unit 8 calculates the difference ⁇ dk between the maximum value dkmax and the minimum value dkmin and the difference ⁇ dh between the maximum value dhmax and the minimum value dhmin (S208).
  • the processing unit 8 calculates the difference ⁇ fk between the maximum value fkmax and the minimum value fkmin, and the difference ⁇ fh between the maximum value fhmax and the minimum value fhmin (S209).
  • the processing unit 8 determines the skill level La by comparing the differences ⁇ dk and ⁇ dh with the reference values ⁇ dkref and ⁇ dhref (S210).
  • the processing unit 8 determines the skill level Lb-2 by comparing the differences ⁇ fk and ⁇ fh with the reference values ⁇ fkref and ⁇ fhref (S211). After this determination, the processing unit 8 generates, for example, the seal construction determination files 26-1 and 26-3 as presentation information and outputs this to the information processing unit 12 (S212).
  • the information presenting unit 12 receiving this presents the provided presentation information (S213).
  • the processing unit 8 makes a comprehensive determination in consideration of both of the skill levels La and Lb-2, generates presentation information indicating the result of the comprehensive determination, and uses this presentation information as the seal construction determination file 26-3.
  • the information is stored in the comprehensive determination unit 45 and is presented to the information presenting unit 12.
  • ⁇ Modification of processing sequence by the seal construction determination system 2> In the processing sequence shown in FIG. 9, for example, an arithmetic mean of skill levels La and Lb-2 may be taken, and a skill level Lc-1 in which both are taken into consideration may be calculated and presented. Further, instead of a simple arithmetic average of skill levels La and Lb-2, each skill level La and Lb-2 may be weighted to adjust the evaluation degree.
  • the magnitude relationship between the measured values of the inter-face distance D or the axial force F is obtained, and the skill level La or the skill levels Lb-1 and Lb-2 is determined from the difference from the reference value. ing.
  • the processing unit 8 obtains the difference ⁇ in the magnitude relationship between the measured values of the inter-face distance D or the axial force F, calculates the deviation amount with respect to the difference ⁇ and the reference value ⁇ ref, and compares the deviation amount with the determination reference.
  • the skill level Lc-2 may be determined.
  • the deviation amount from the difference ⁇ in the magnitude relationship between the measured values of the inter-face distance D or the axial force F with respect to the reference value ⁇ ref can be evaluated as the skill level Lc-2, and the higher seal construction skill can be obtained. Can contribute to the acquisition of.
  • FIG. 10 shows a seal construction determination system according to an embodiment. 10, the same parts as those in FIG. 1 are designated by the same reference numerals.
  • the seal construction determination system 2 of this embodiment is installed in a seal construction training center or the like and used for seek construction training, learning, construction simulation, and the like.
  • the seal construction unit 4 is fixed to the floor 46 in the building.
  • the seal installation portion 4 is provided with a long pipe 14-2, and a fixing flange 48 attached to the lower end of the pipe 14-2 is firmly fixed to the floor 46.
  • the above-mentioned pipe 14-1 is omitted, and the flanges 16-1 and 16-2 are set to the pipe 14-2 at a height that the seal builder can construct.
  • the above-mentioned bolts 20-1, 20-2, ..., 20-8 are attached to the flanges 16-1 and 16-2.
  • the measuring unit 6 for measuring the surface distance D of the flanges 16-1 and 16-2 is configured to be movable.
  • the measuring unit 6 includes a measuring function unit 50 and a communication unit 52.
  • the measurement function unit 50 measures the surface distance D and outputs the measurement value d.
  • the measurement output indicating the measurement value d obtained by the measurement function unit 50 is transmitted to the processing unit 8 side by the communication unit 52. Either wireless or wired may be used for this signal transmission.
  • the bolts 20-1, 20-2, ..., 20-8 on the flanges 16-1, 16-2 are provided with a measuring unit 36 for measuring the axial force F for each bolt.
  • the measuring unit 36 is provided with axial force sensors 36-1, 36-2, ..., 36-8 (FIG. 11) corresponding to the bolts 20-1, 20-2 ,. .
  • a management table 54 for managing the seal construction of the seal construction unit 4 is provided.
  • the management table 54 can be moved by the casters 56.
  • a personal computer (PC) 58, a data logger 60, and a monitor 62 are installed in this management table 54.
  • the PC 58 is an example of the processing unit 8 described above.
  • the data logger 60 is a means for collecting and storing the measurement data of the measuring unit 36. Outputs of the axial force sensors 36-1, 36-2, ..., 36-8 are transmitted to the data logger 60 from the seal applying portion 4 by a cable 64.
  • the monitor 62 is an example of the information presenting unit 12. On the screen 66 of the monitor 62, a touch panel 68 is provided as an example of input means.
  • FIG. 11 shows the hardware of the seal construction determination system 2. 11, the same parts as those in FIG. 10 are designated by the same reference numerals.
  • the PC 58 includes a processor 70, an input / output unit (I / O) 72, a communication unit 74, and a storage unit 10.
  • the processor 70 is an example of the processing unit 8 described above.
  • a data logger 60 and a monitor 62 are connected to the I / O 72.
  • the measurement value data of the axial force F accumulated in the data logger 60 is taken into the I / O 72 by the control of the processor 70 and stored in the storage unit 10.
  • the monitor 62 is provided with the presentation information generated by the processor 70, and an image is displayed.
  • the communication unit 74 is used for communication with the measurement unit 6.
  • the storage unit 10 stores various programs such as an OS (Operating System) and a seal construction determination program, and seal construction determination files 26-1 (FIG. 3), 26-2 (FIG. 6), 26-3 (FIG. 8), etc. To be done. All of the seal construction determination files 26-1, 26-2, and 26-3 may be stored, or any one or two or more may be stored.
  • the storage unit 10 is composed of storage elements such as a ROM (Read-Only Memory) and a RAM (Random-Access Memory).
  • the operation input unit 76 includes an interface device for inputting information such as the touch panel 68 (FIG. 10) described above in addition to the keyboard and mouse.
  • FIG. 12 shows the hardware of the measuring unit 6. 12, the same parts as those in FIG. 10 are designated by the same reference numerals.
  • an inter-flange measuring device using a laser beam is used for the measuring unit 6.
  • the measurement function unit 50 includes a light irradiation unit 78, an imaging unit 80, and an image processing unit 82.
  • the light irradiation unit 78 irradiates a laser beam on the gap between the flanges 16-1 and 16-2 at the measurement site to form a fine light image.
  • This fine light image is an image of band-shaped light of a thin laser beam from the surface portion of the flange 16-1 at the measurement site to the surface portion of the flange 16-1 via the gap portion.
  • the image capturing unit 80 captures a thin light image and converts it into image information.
  • the image information is pixels having different lightness differences of the thin light image.
  • This image information is taken into the image processing unit 82 as the measurement value d of the inter-plane distance D.
  • the image processing unit 82 counts the measurement value d by the number of pixels of the fine light image, and recognizes the count value as the measurement value d. That is, the image processing unit 82 can obtain the measurement value d of the inter-plane distance D by optical measurement.
  • the information indicating the measured value d of the surface distance D thus obtained is wirelessly or wired transmitted from the communication unit 52 to the communication unit 74 of the PC 58, and together with the identification information, the seal execution determination file 26-of the storage unit 10- It is stored in 1.
  • FIG. 13 shows a measurement situation of the measuring unit 6 using the inter-flange measuring device.
  • the grip 86 provided on the main body 84 of the measuring unit 6 is gripped by the seal builder, and the positioning guide 88 on the tip side is inserted into the gap 90 between the flanges 16-1 and 16-2 at the measuring position.
  • light irradiation is performed from the light irradiation unit 78 to the measurement positions of the flanges 16-1 and 16-2.
  • the image capturing section 80 captures this fine light image.
  • ⁇ Axial force sensor 36-1, 36-2, ..., 36-8> 14 shows the bolts 20-1, 20-2, ..., 20-8 and the axial force sensors 36-1, 36-2 ,.
  • Each bolt 20-1, 20-2, ..., 20-8 is provided with a cavity, and the axial force sensors 36-1, 36-2 ,.
  • the axial force sensors 36-1, 36-2, ..., 36-8 are bolts 20-1, 20-2, ...
  • loads (stresses) measured values fk and fh of the axial force F The measured values fk and fh are captured by the data logger 60 (FIG. 11) through the cable 64.
  • FIG. 15 shows a processing sequence of the seal construction determination system 2.
  • This processing sequence includes a processing procedure that is an example of a program or a construction determination method in the seal construction determination system 2 of the present invention.
  • processing of the measurement values of both the measurement units 6 and 36 is included.
  • the measuring unit 6 measures the inter-plane distance D at a preset measurement position at each stage from the start to the completion of temporary tightening or final tightening. Is performed (S301).
  • the axial force sensors 36-1, 36-2, ..., 36-8 of the measuring unit 36 measure the axial force F of each bolt 20-1, 20-2 ,. (S302).
  • the measurement by the measuring units 6 and 36 may be performed at the same time or may be different at the same time.
  • the measured values fk and fh of the axial force F are accumulated in the data logger 60 together with the identification information.
  • the processor 70 takes in the measured values dk and dh of the surface distance D (S303), takes in the measured values fk and fh of the axial force F (S304), and obtains the measured values dk, dh, fk and fh.
  • the data is stored in the storage unit 10 (S305).
  • the measured values dk and dh are stored together with the identification information in the seal execution determination file 26-1 described above, and the measured values dk, dh, fk, fh are stored together with the identification information in the seal execution determination file 26-3 described above. Stored in.
  • the processor 70 performs arithmetic processing in each stage (S306), and the arithmetic processing includes the above-described processing procedures S104 to S106 (FIG. 4) or processing procedures S206 to S211 (FIG. 9). As described above, this calculation determines one or more of the skill levels La, Lb-1, Lb-2, Lc-1, and Lc-2.
  • the image information of the seal construction determination files 26-1 and 26-3 is generated as the presentation information, and the distribution pattern (FIG. 16) of the measured value d of the inter-face distance D and the axial force F are displayed.
  • a distribution figure (FIG. 17) of the measurement value f is generated (S307).
  • the presentation information is provided to the monitor 62 and presented as an image by the monitor 62 (S308).
  • FIG. 16 shows a distribution figure of the measured value d of the inter-plane distance D.
  • an axis y1 that extends from the center O of the flanges 16-1 and 16-2 toward the positions P1, P2, ..., P8 of the bolts 20-1, 20-2 ,. , Y2, ..., Y8 are displayed.
  • the distance from the center O indicates the magnitude of the measured value d of the surface distance D.
  • the hexagonal shape of the measured value d is shown by a solid line with respect to the regular hexagonal broken line figure.
  • FIG. 17 shows a distribution diagram of the measured value f of the axial force F.
  • the bolts 20-1, 20-2, ..., 20-8 are located at the positions P1, P2, ..., P8 about the center O of the flanges 16-1, 16-2.
  • Axes y1, y2, ..., Y8 are displayed.
  • the distance from the center O indicates the magnitude of the measured value f of the axial force F.
  • the hexagonal shape of the measured value f is shown by the solid line with respect to the regular hexagonal broken line figure.
  • the skill that can be tightened without single tightening and that a uniform and proper gasket surface pressure can be secured that is, the skill level is measured by either the surface distance D or the bolt axial force F, or Both parties can quantitatively confirm and evaluate.
  • This allows training according to the actual fastening method (JIS, ASME, etc.), and this training can be performed by measuring the face-to-face distance D or the axial force F, and tightening on the actual machine at multiple tightening stages. Training that simulates can be realized.
  • the evaluation of the execution result of the builder is not only the evaluation of the skill level, such as when the skill levels La, Lb-1, Lb-2, Lc-1, Lc-2, which are the determination results, are low. It is possible to judge that the construction is not based on the construction procedure according to JIS or ASME.
  • a through hole for mounting the length measuring device is provided between the bolts having the center diameter of the bolt of one flange 16-1, and the tip of the length measuring device is provided on the surface of the facing flange 16-2. May be applied to measure the distance between the surfaces.
  • the number of length measuring devices may be at least one diagonal pair, but two or more diagonal diagonal pairs may be installed.
  • a length measuring device may be attached to the outer edge of one of the flanges, and a protrusion for receiving the tip of the length measuring device may be provided on the outer edge of the facing flange.
  • the measuring unit 6 is an inter-flange measuring device using optical measurement, but various measuring devices such as a gap gauge may be used for the measuring unit 6.
  • the maximum value fhmax (final tightening) measured by the axial force measuring unit 36 is compared with the reference value fhref of the axial force for final tightening, and the local axial force does not exceed the fracture stress of the gasket. You may judge whether.
  • the minimum value fhmin (final tightening) measured by the axial force measuring unit 36 is compared with the reference value fhref of the axial force for final tightening, and the local axial force may fall below the sealing limit stress of the gasket. You may judge whether there is no.
  • the skill level can be determined by measuring the face-to-face distance D of the flange, the axial force F can be measured in addition to the face-to-face distance D, and the skill of sealing can be improved. This can contribute to improving the reliability of the seal construction result.
  • Seal construction determination system 4 Seal construction section 6 Face-to-face distance measurement section 8 Processing section 10 Storage section 12 Information presentation section 14-1, 14-2 Piping 16-1, 16-2 Flange joint 18 Gasket 20-1, 20- 2, ..., 20-N bolt 22 nut 24 tightening tool 26-1 first seal construction determination file 26-2 second seal construction determination file 28, 38 number information section 30, 40 identification information section 30-1 Measurement part 30-2 Tightening timing part 32 Face-to-face distance part 32-1, 42-1 Measurement value part 32-2, 42-2 Final tightening measurement value part 32-3, 42-3 Maximum value part 32-4, 42-4 Minimum value part 32-5, 42-5 Difference part 32-6 Reference value part 34, 44 Skill level part 36 Axial force measuring part 36-1, 36-2, ..., 36-8 Axial force sensor 42 Axial force part 46 Floor 48 Fixed flange 50 Measurement function unit 52 Communication unit 54 Management table 56 Caster 58 PC 60 Data Logger 62 Monitor 64 Cable 66 Screen 68 Touch Panel 70 Processor 72 I / O 74 communication unit 76 operation input unit

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PCT/JP2019/040407 2018-10-16 2019-10-15 シール施工の判定システム、プログラム、判定方法および学習システム WO2020080340A1 (ja)

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SG11202103816UA SG11202103816UA (en) 2018-10-16 2019-10-15 Determination system, program, determination method, and learning system of seal handling
KR1020217007882A KR102671538B1 (ko) 2018-10-16 2019-10-15 시일 시공의 판정 시스템, 프로그램, 판정 방법 및 학습 시스템

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