WO2019066347A1 - Method for automatically generating welding part information and recording medium having programs recorded therein for implementing same - Google Patents

Method for automatically generating welding part information and recording medium having programs recorded therein for implementing same Download PDF

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Publication number
WO2019066347A1
WO2019066347A1 PCT/KR2018/010917 KR2018010917W WO2019066347A1 WO 2019066347 A1 WO2019066347 A1 WO 2019066347A1 KR 2018010917 W KR2018010917 W KR 2018010917W WO 2019066347 A1 WO2019066347 A1 WO 2019066347A1
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information
welding
welded
length
welded portion
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PCT/KR2018/010917
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French (fr)
Korean (ko)
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이기택
김도형
신일식
김배성
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디케이소프트 주식회사
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Priority to JP2020514485A priority Critical patent/JP6931448B2/en
Publication of WO2019066347A1 publication Critical patent/WO2019066347A1/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/10Geometric CAD
    • G06F30/15Vehicle, aircraft or watercraft design

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  • the present invention relates to a method for automatically generating a weld portion information and a recording medium on which a program for implementing the same is recorded. More particularly, the present invention relates to a method of searching for a portion to be welded by using 3D data created for ship design, And a recording medium on which a program for implementing the method is recorded.
  • Shipbuilding and offshore plant companies have developed optimization works and modules in connection with shipbuilding CAD programs in order to improve the ship design.
  • shipbuilders In order to collect welding information, shipbuilders are required to submit more than 500 blocks of shipbuilding and offshore plant structures in order to collect welding information sheets, A person inspects the welding information directly, and forms a test sheet by sorting the welded parts in a list format.
  • Korean Patent Laid-Open No. 10-2011-0049412 discloses a method of extracting shape information of a hull block
  • Korean Patent Laid-Open Publication No. 10-2013-0117284 discloses a method of modeling a ship's weld line layout
  • the present invention has been made in view of the above problems, and it is an object of the present invention to provide a method and apparatus for extracting welding inspection information to be used at a welding inspection site such as a shipyard from design modeling data of shipbuilding and offshore plants, And a recording medium on which a program for implementing the method is recorded.
  • a method of automatically generating welding information comprising: a first step of preparing modeling data in which a plurality of members are arranged with a welding gap therebetween; Forming an extended portion extending outwardly of each member by a set value larger than a maximum weld gap in the modeling data; A third step of extracting an overlapping portion where the extension formed by the step 2 overlaps with the neighboring member; And generating the welded portion information on the welded portion of the member using the overlapping portion as a welded portion.
  • the welding portion information automatic generation method of the present invention is characterized in that, in the step 2, the extending portion is formed by extending in a direction perpendicular to the surface of each member.
  • the automatic welding information generation method of the present invention is characterized in that the length of the welding portion is included in the welding portion information, and the length of the overlap portion is the length of the welding portion.
  • a method for automatically generating a welded portion information comprising the steps of: generating, at a specific surface of each member, And the overlapping portion is excluded from the welding portion when the length of the overlapping portion is less than 10% of the total length of the specific surface.
  • the present invention also provides a recording medium on which program data for implementing the above method is recorded and which can be read and executed by a computer processor.
  • the automatic welding information generation method of the present invention can automatically generate inspection information for a welded portion of a block to be dried, without having to manually create the inspection drawings while checking the design drawings at the time of manufacturing a ship or the like.
  • the method of automatically generating welded portion information according to the present invention is characterized in that an overlapping portion R generated by extending each member is generated in one of the one end and the other end and the length c of the overlapping portion R is And the overlapping portion R is excluded from the welding portion when the total length is less than 10% of the total length.
  • an error that can automatically generate the welded portion information can be solved even if the welded portion does not exist on the specific surface of the member.
  • FIG. 1 is a block flow diagram showing a method of automatically generating a welding portion information according to an embodiment of the present invention
  • FIG. 2 illustrates an example of a review file (RVM) and its morphological analysis data in a method of automatically generating a welded portion information according to an embodiment of the present invention
  • FIG. 3 is a layout diagram of a member for explaining a method of automatically generating welding information according to an embodiment of the present invention.
  • FIG. 4 is a perspective view illustrating a process of forming an extension in a member according to a method of automatically generating information on a welded portion according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional explanatory view illustrating a process of forming an extension in a member according to a method of automatically generating information on a welded portion according to an embodiment of the present invention
  • FIG. 6 is an explanatory view showing a state of occurrence of an overlapping portion to be removed from a welded portion according to a method for automatically generating information on a welded portion according to an embodiment of the present invention
  • FIG. 7 is a table illustrating the names of members constituting a block in the method of automatically generating information on welded portions according to an embodiment of the present invention
  • a method of automatically generating welding information includes a first step of preparing 3D modeling data in which a plurality of members are arranged with a welding gap therebetween; A step (2) of forming an extension (E) of which the face of each member extends outward by a set value (s) larger than a maximum weld gap in the modeling data; A third step of extracting an overlapping portion R where the extending portion E formed by the step 2 overlaps with the neighboring member; And generating the welded portion information about the position and length of the welded portion of the member using the overlap portion R as a welded portion.
  • 3D modeling data is prepared in which a plurality of members are disposed with a weld gap therebetween.
  • 3D CAD programs for ship design such as AVEVA MARINE CAD products of AVEVA Inc., extract data in a review file (RVM) format, which is a raw data format for blocks or members constituting a ship.
  • RVM review file
  • the step of preparing the 3D modeling data in step 1 includes extracting the data of the review file (RVM) format.
  • RVM review file
  • Fig. 2 shows an example of such a review file (RVM) and its morphological analysis information.
  • Such raw data in a review file (RVM) format is configured such that all members generate a 3D shape using the surface.
  • RVM review file
  • one plate member is represented as a total of six surfaces including four side surfaces 13, 14, 15, 16 together with both side plate surfaces 11,
  • raw data of a review file (RVM) format is represented by a method of materializing the member by dividing the surface into small pieces, and the name and position of the object are expressed in a text format. And information such as the color number, and the like.
  • the raw data in the form of a review file does not contact a plurality of members to be coupled to each other to form a hull block, and a welding cap (a portion between the members to be welded Spacing width) t1 and t2, the plurality of members are spaced apart from each other.
  • the second step is to form an extended portion E in which the surfaces of the respective members are extended outward by a set value s larger than the maximum weld gap in the modeling data.
  • the welded portion is located at the portion overlapping with the neighboring member by extending the surface of each member since each member is formed of a surface.
  • the welded portion Thereby forming an extended portion E which extends the surface outward.
  • the maximum weld gap is information contained in raw data of the extracted review file (RVM) format. Since the weld caps assigned to each member may be different from each other, all weld gaps are checked, and the largest weld gap Is set as the maximum welding cap.
  • the maximum weld gap may be provided by the designer along with 3D modeling data for the ship design.
  • a set value s of a larger value for example, 1.2 to 1.5 times the maximum weld gap, is set using the set maximum weld gap, and an extension portion (E).
  • FIG. 4 and 5 illustrate a process of forming the extension E in a state in which the members forming the ship block are arranged as shown in Fig. 3, thereby extending each side of the target member by the set value s.
  • the process of forming the extended portion E in which the surfaces of the respective members are extended outward by the set value s larger than the maximum weld gap in the second step is performed for the entire member of the target block on which the automatic welding information generation is proceeding.
  • the extending portion E is formed by extending in the direction perpendicular to the surface of each member.
  • the extended portion E it is possible to extend at various angles from one surface toward the outside, but since the direction in which the weld bead is formed is a vertical direction facing outward from each surface, ) Can be made more accurate in the calculation of the welding length described later, so that smooth overlapping with the neighboring member to be welded can be made, The possibility of overlap can also be ruled out.
  • step 3 extracts the overlapping part R where the extension part E formed by the second step overlaps the neighboring member.
  • the overlapping portion R is a portion where the extending portion E extending from each member is in contact with a neighboring member (for example, a portion in which the sheet member 11 in the vicinity of the adjacent members 20 and 30 in FIG. 5) It can be seen that a predetermined region on the dimension space occupies the extended portion E of the specific member and the other member together.
  • the overlapping portion R is identified, and the overlapping portion R generated in each member is identified and extracted.
  • weld gaps t1 and t2 set at the time of designing are formed at the position where the extracted overlapping portion R is formed, and therefore corresponds to the portion where the welded portion (weld bead) is generated when the ship is dried.
  • the welded portion is generated at the portion where the overlapping portion R is generated with the overlapping portion R as the welded portion, and the length of the overlapping portion R can be regarded as the length of the welded portion to be generated.
  • the positional information of the welded portion includes information on the position of the welded portion in the member and the name of the member of the specific platear member, (T), the lower end (B), the right end (R), and the left end (L).
  • one welded part is shared by members welded to each other on both sides, the positional information is different in each member.
  • one welded part is generated in only one of the two members by prioritizing them.
  • the indication of the upper part T includes welding part information in a member which can be indicated by the upper part T in preference to the indication of the lower part B, and the right part R has priority over the left part L And to include the welding section information in a member that can be displayed on the right side (R).
  • welding information such as the position of the welded portion and the length of the welded portion is generated for each member
  • data is generated in a list format so that welded member information is additionally included in a plurality of member lists included in one block constituting the ship.
  • welding information on the position, length, and the like of the welded portion in the member is included together in the plurality of member lists for each block constituting the hull so that the welded member information for each member together with the member name constituting the block
  • An additional data is generated and is output as a sheet as shown in Fig. 7 as a sheet for inspection of a welded portion.
  • inspection information on the welded part of the block to be dried can be automatically generated and submitted without having to make it by manpower while confirming the design drawings one by one, in order to approve the preliminary inspection by the shipowner during the ship manufacturing.
  • the overlapping portion R1 as shown in Fig. 6 is generated in the lower end region of the specific surface 66 .
  • the overlapping portion R 1 which is formed on one of the one end and the other end, of the specific surface 66 of each member, and along the length direction of the specific surface, The overlapping portion R1 is excluded from the welded portion when the length c of the overlapping portion R1 is less than 10% of the total length of the specific surface 66.
  • the overlapping region R generated in the lower end region of the slanting specific face 66 as shown in FIG. 6 has a small overlapping region, and 10% of the entire length of the specific face 66 is used as a judgment boundary Can be removed.
  • the present invention can be applied to a shipyard or an offshore plant company to search for a portion to be welded when designing a ship, and to automatically generate information on a welded portion regarding the position and length of the welded portion.

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Abstract

The invention provides a method for automatically generating welding part information and a recording medium having programs recorded therein for implementing the method, the method enabling welding inspection information to be used at a welding inspection site such as a shipyard or the like to be extracted and automatically generated from design modeling data of a hull or the like. The invention comprises: a first step of preparing 3D modeling data in which a plurality of members are arranged with a weld gap therebetween; a second step of forming an extension part extending outwardly from a face of each member by a set value larger than a maximum weld gap in the modeling data; a third step of extracting an overlapping part in which the extension formed by the second step overlaps with a neighboring member; and a fourth step of generating welding part information about a welded part of a corresponding member by using the overlapping part as the welding part.

Description

용접부 정보 자동생성방법 및 그것의 구현을 위한 프로그램이 기록된 기록매체METHOD FOR AUTOMATICALLY GENERATING WELDER INFORMATION AND RECORDING MEDIUM WHERE PROGRAM FOR IMPLEMENTING
본 발명은 용접부 정보 자동생성방법 및 그것의 구현을 위한 프로그램이 기록된 기록매체에 관한 것으로서, 보다 상세하게는 선박의 설계를 위해 작성된 3D 데이터를 이용하여 각 부재의 용접이 이루어질 부분을 탐색하고, 용접부의 위치 및 길이 등에 관한 용접부 정보를 자동으로 생성하는 방법 및 그것의 구현을 위한 프로그램이 기록된 기록매체에 관한 것이다.The present invention relates to a method for automatically generating a weld portion information and a recording medium on which a program for implementing the same is recorded. More particularly, the present invention relates to a method of searching for a portion to be welded by using 3D data created for ship design, And a recording medium on which a program for implementing the method is recorded.
조선 및 해양플랜트 업체는 선박 설계 고도화를 위해 조선 CAD 프로그램과 연계하여 최적화 작업 및 모듈을 개발하여 사용하며, 도면이나 생산정보를 추출하여 선박의 제작에 활용하고 있다.Shipbuilding and offshore plant companies have developed optimization works and modules in connection with shipbuilding CAD programs in order to improve the ship design.
조선 및 해양 플랜트의 건조를 위해서 모든 부재의 연결과 이음을 용접작업을 통해 진행하고 있고, 선박이나 해양구조물의 크기에 따라 엄청난 용접 길이에 대하여 비파괴검사를 수행하여 선주사 및 선급에 승인을 득하는 방식으로 공사를 진행하고 있다.In order to dry the shipbuilding and offshore plants, all members are connected and welded through welding, and non-destructive inspection is carried out for a huge welding length depending on the size of ship or offshore structure, Is under construction.
따라서, 건조되어지는 모든 선박 및 해양플랜트는 용접되는 모든 부위에 비파괴 검사를 수행하여 품질을 보증하고 있으며, 용접검사를 진행할 사전검사 부위에 대한 선주사의 승인이 필요하다.Therefore, all ships and offshore plants to be dried require non-destructive inspection on all parts to be welded to guarantee the quality and approval of the pre-inspection site for welding inspection is required.
이에, 선주사의 사전검사 승인을 위해 건조되는 해당 모델의 구조상세도면과 부합되는 용접부 검사시트(sheet)가 제출되어야 하므로, 조선소에서는 용접에 관한 정보수집을 위하여 많게는 500블록 이상의 조선 및 해양플랜트 구조물에 대하여 사람이 용접정보를 직접 확인하면서 용접부를 리스트형식으로 정리하여 검사시트를 작성하고 있다.In order to collect welding information, shipbuilders are required to submit more than 500 blocks of shipbuilding and offshore plant structures in order to collect welding information sheets, A person inspects the welding information directly, and forms a test sheet by sorting the welded parts in a list format.
이러한 과정은 인력에 의해 수동으로 이루어짐에 따라, 용접부위 및 정보 확인 시 개인별로 상이한 판단기준이 영향을 주고 주관적인 경험에 의해 이루어지므로 일관성이 부족하다.As this process is done manually by the manpower, different judgment criterion is influenced by subjective experience when confirming the welding part and information, and it is inconsistent.
또한, 하나의 선체 블록에 대하여도 2000여곳 이상의 용접부 정보를 수동으로 작성하다보면 많은 작성시수가 소요되고, 누락 및 오작으로 인한 추가 작업공정 시수가 발생하여 해당 조선소에서는 많은 시간과 비용을 낭비하게 된다.In addition, if more than 2000 pieces of welding information are manually created for a single hull block, it takes a lot of time to prepare, and additional work process time due to omission and wrong operation occurs, which waste a lot of time and money in the shipyard .
한국공개특허공보 제10-2011-0049412호에는 선체 블록의 형상정보를 추출하는 방법이 제시되어 있고, 한국공개특허공보 제10-2013-0117284호에는 선박의 용접선 배치 모델링 방법이 제시되어 있으나, 전술한 바와 같은 용접부 검사를 위한 용접부의 위치, 길이 등의 용접부 정보를 인력에 의지하지 않고 자동으로 생성할 수 있는 방법에 관한 기술은 제시되어 있지 않다.Korean Patent Laid-Open No. 10-2011-0049412 discloses a method of extracting shape information of a hull block, and Korean Patent Laid-Open Publication No. 10-2013-0117284 discloses a method of modeling a ship's weld line layout, There is no description about a method of automatically generating welding position information such as the position and length of a welding portion for welding inspection, without depending on a workforce.
본 발명은 상기와 같은 관점에서 도출된 것으로서, 본 발명의 목적은 조선소 등 용접검사 현장에서 사용될 용접검사 정보를, 조선 및 해양플랜트의 선체 등의 설계 모델링 데이터에서 추출하여 자동으로 생성할 수 있도록 하는 용접부 정보 자동생성방법 및 그것의 구현을 위한 프로그램이 기록된 기록매체를 제공하는 것이다.SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a method and apparatus for extracting welding inspection information to be used at a welding inspection site such as a shipyard from design modeling data of shipbuilding and offshore plants, And a recording medium on which a program for implementing the method is recorded.
전술한 목적을 달성하기 위한 본 발명의 용접부 정보 자동생성방법은, 다수의 부재가 서로 용접갭을 가지고 배치되어 있는 모델링데이터가 준비되는 1단계; 상기 모델링데이터에서의 최대 용접갭보다 큰 설정값만큼 각 부재의 면을 외측으로 연장시킨 연장부를 형성하는 2단계; 상기 2단계에 의해 형성된 연장부가 이웃하는 부재와 겹치는 겹침부를 추출하는 3단계; 상기 겹침부를 용접부로 하여 해당 부재의 용접부에 관한 용접부정보를 생성하는 4단계를 포함한다.According to an aspect of the present invention, there is provided a method of automatically generating welding information, comprising: a first step of preparing modeling data in which a plurality of members are arranged with a welding gap therebetween; Forming an extended portion extending outwardly of each member by a set value larger than a maximum weld gap in the modeling data; A third step of extracting an overlapping portion where the extension formed by the step 2 overlaps with the neighboring member; And generating the welded portion information on the welded portion of the member using the overlapping portion as a welded portion.
또한, 본 발명의 용접부 정보 자동생성방법은, 상기 2단계에서 상기 연장부는 각 부재의 면에서 그 면에 수직의 방향으로 연장함으로써 형성시키는 것을 다른 특징으로 한다.Further, the welding portion information automatic generation method of the present invention is characterized in that, in the step 2, the extending portion is formed by extending in a direction perpendicular to the surface of each member.
또한, 본 발명의 용접부 정보 자동생성방법은, 상기 용접부정보에 용접부의 길이를 포함하되, 상기 겹침부의 길이를 용접부의 길이로 하는 것을 또 다른 특징으로 한다.The automatic welding information generation method of the present invention is characterized in that the length of the welding portion is included in the welding portion information, and the length of the overlap portion is the length of the welding portion.
또한, 본 발명의 용접부 정보 자동생성방법은, 상기 4단계를 진행함에 있어 각 부재의 면 중 특정면에서, 상기 겹침부가 일측단과 타측단 중 어느 하나에 발생하고 상기 특정면의 길이방향을 따르는 상기 겹침부의 길이가 상기 특정면의 전체 길이의 10%미만인 경우, 상기 겹침부는 상기 용접부에서 제외하는 것을 또 다른 특징으로 하는 한다.According to another aspect of the present invention, there is provided a method for automatically generating a welded portion information, the method comprising the steps of: generating, at a specific surface of each member, And the overlapping portion is excluded from the welding portion when the length of the overlapping portion is less than 10% of the total length of the specific surface.
또한, 본 발명은 위의 방법을 구현하기 위한 프로그램 데이터가 기록되어 컴퓨터 프로세서에 의해 판독 및 실행 가능한 기록매체를 제공하는 것을 또 다른 특징으로 한다.The present invention also provides a recording medium on which program data for implementing the above method is recorded and which can be read and executed by a computer processor.
전술한 본 발명의 용접부 정보 자동생성방법은, 선박 등의 제작시, 건조되는 해당 블록의 용접부에 대한 검사정보를, 설계도면을 일일이 확인하면서 인력으로 제작할 필요없이, 자동으로 생성할 수 있도록 한다.The automatic welding information generation method of the present invention can automatically generate inspection information for a welded portion of a block to be dried, without having to manually create the inspection drawings while checking the design drawings at the time of manufacturing a ship or the like.
이에 따라, 수많은 용접부에 대한 검사정보를 수동으로 작성함에 따른 시간 및 비용의 낭비와, 누락 및 오작으로 인한 검사작업의 혼란의 문제를 해소할 수 있다.Accordingly, it is possible to solve the problems of waste of time and cost due to manual creation of inspection information on a large number of welds, and confusion of inspection work due to omission and malfunction.
또한, 본 발명의 용접부 정보 자동생성방법은, 각 부재를 연장시켜 발생하는 겹침부(R)가 일측단과 타측단 중 어느 하나에서 발생하고 상기 겹침부(R)의 길이(c)가 특정면의 전체 길이의 10%미만인 경우, 상기 겹침부(R)를 용접부에서 제외하도록 구성하고 있다.The method of automatically generating welded portion information according to the present invention is characterized in that an overlapping portion R generated by extending each member is generated in one of the one end and the other end and the length c of the overlapping portion R is And the overlapping portion R is excluded from the welding portion when the total length is less than 10% of the total length.
이에 따라, 부재의 특정면에 용접부가 존재하지 않음에도 용접부정보를 자동으로 생성시킬 수 있는 오류를 해소할 수 있다.Accordingly, an error that can automatically generate the welded portion information can be solved even if the welded portion does not exist on the specific surface of the member.
도 1는 본 발명의 실시예에 따른 용접부 정보 자동생성방법을 순차적으로 도시하는 블록순서도BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block flow diagram showing a method of automatically generating a welding portion information according to an embodiment of the present invention;
도 2는 본 발명의 실시예에 따른 용접부 정보 자동생성방법에서 리뷰파일(RVM)의 예시 및 그것의 형태소 분석자료FIG. 2 illustrates an example of a review file (RVM) and its morphological analysis data in a method of automatically generating a welded portion information according to an embodiment of the present invention
도 3은 본 발명의 실시예에 따른 용접부 정보 자동생성방법을 설명하기 위한 부재의 배치상태도FIG. 3 is a layout diagram of a member for explaining a method of automatically generating welding information according to an embodiment of the present invention. FIG.
도 4는 본 발명의 실시예에 따른 용접부 정보 자동생성방법에 따라 부재에 연장부를 형성하는 과정을 설명하는 사시설명도4 is a perspective view illustrating a process of forming an extension in a member according to a method of automatically generating information on a welded portion according to an embodiment of the present invention.
도 5는 본 발명의 실시예에 따른 용접부 정보 자동생성방법에 따라 부재에 연장부를 형성하는 과정을 설명하는 단면설명도5 is a cross-sectional explanatory view illustrating a process of forming an extension in a member according to a method of automatically generating information on a welded portion according to an embodiment of the present invention
도 6은 본 발명의 실시예에 따른 용접부 정보 자동생성방법에 따라 용접부에서 제거될 겹침부의 발생상태를 도시하는 설명도FIG. 6 is an explanatory view showing a state of occurrence of an overlapping portion to be removed from a welded portion according to a method for automatically generating information on a welded portion according to an embodiment of the present invention
도 7은 본 발명의 실시예에 따른 용접부 정보 자동생성방법에서 블록을 구성하는 부재명과 함께 각 부재별 용접부정보가 부기된 테이터를 예시하는 표FIG. 7 is a table illustrating the names of members constituting a block in the method of automatically generating information on welded portions according to an embodiment of the present invention,
이하, 도면을 참고하여 본 발명의 실시예를 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
본 발명의 실시예에 따른 용접부 정보 자동생성방법은, 다수의 부재가 서로 용접갭을 가지고 배치되어 있는 3D 모델링데이터가 준비되는 1단계; 상기 모델링데이터에서의 최대 용접갭보다 큰 설정값(s)만큼 각 부재의 면을 외측으로 연장시킨 연장부(E)를 형성하는 2단계; 상기 2단계에 의해 형성된 연장부(E)가 이웃하는 부재와 겹치는 겹침부(R)를 추출하는 3단계; 상기 겹침부(R)를 용접부로 하여 해당 부재의 용접부의 위치 및 길이에 관한 용접부정보를 생성하는 4단계를 포함한다.A method of automatically generating welding information according to an embodiment of the present invention includes a first step of preparing 3D modeling data in which a plurality of members are arranged with a welding gap therebetween; A step (2) of forming an extension (E) of which the face of each member extends outward by a set value (s) larger than a maximum weld gap in the modeling data; A third step of extracting an overlapping portion R where the extending portion E formed by the step 2 overlaps with the neighboring member; And generating the welded portion information about the position and length of the welded portion of the member using the overlap portion R as a welded portion.
도 1을 참고하면, 상기 1단계는 다수의 부재가 서로 용접갭을 가지고 배치되어 있는 3D 모델링데이터가 준비된다. (S10 단계)Referring to FIG. 1, in the first step, 3D modeling data is prepared in which a plurality of members are disposed with a weld gap therebetween. (Step S10)
선박설계를 위한 3D CAD 프로그램, 예컨대 AVEVA사의 AVEVA MARINE CAD제품 등은 선박을 구성하는 블록이나 부재 등에 대한 원시데이터 형식인 리뷰파일(RVM) 형식으로 데이터가 추출된다.3D CAD programs for ship design, such as AVEVA MARINE CAD products of AVEVA Inc., extract data in a review file (RVM) format, which is a raw data format for blocks or members constituting a ship.
1단계에서 3D 모델링데이터가 준비되는 단계는 상기 리뷰파일(RVM) 형식의 데이터가 추출되는 것을 포함한다.The step of preparing the 3D modeling data in step 1 includes extracting the data of the review file (RVM) format.
도 2는 그와 같은 리뷰파일(RVM)의 예시 및 그것의 형태소 분석정보를 표시하고 있다. Fig. 2 shows an example of such a review file (RVM) and its morphological analysis information.
그와 같은 리뷰파일(RVM) 형식의 원시데이터는, 모든 부재가 면을 이용하여 3D 형상을 생성하도록 구성되어 있다. 예컨대 도 3의 판상부재(10)의 경우, 양측 판면(11,12)과 함께 4개의 측면(13,14,15,16)을 포함하여 총 6개의 면으로서 하나의 판상 부재가 표현되고 있다.Such raw data in a review file (RVM) format is configured such that all members generate a 3D shape using the surface. For example, in the case of the plate member 10 of Fig. 3, one plate member is represented as a total of six surfaces including four side surfaces 13, 14, 15, 16 together with both side plate surfaces 11,
또한, 리뷰파일(RVM) 형식의 원시데이터는, 곡선부분이나 복잡한 형상의 경우, 면을 작게 분리하여 부재를 구체화하는 방법으로 표현하고, 객체의 이름과 위치를 텍스트 형식으로 나타내고 있으며, 내부적으로 부재의 고유넘버, 색상 등의 정보를 포함하고 있다.In the case of a curved part or a complex shape, raw data of a review file (RVM) format is represented by a method of materializing the member by dividing the surface into small pieces, and the name and position of the object are expressed in a text format. And information such as the color number, and the like.
이러한 리뷰파일(RVM) 형식의 원시데이터는 선체블록을 형성하기 위해 서로 결합될 복수의 부재들을 서로 접촉시키지 않고, 용접비드가 형성될 부분에 용접캡(용접이 이루어질 위치에 부여되는 부재들 사이의 간격폭)(t1,t2)을 설정함으로써, 다수의 부재가 서로 이격된 상태로 표현하고 있다.The raw data in the form of a review file (RVM) does not contact a plurality of members to be coupled to each other to form a hull block, and a welding cap (a portion between the members to be welded Spacing width) t1 and t2, the plurality of members are spaced apart from each other.
상기 2단계는 모델링데이터에서의 최대 용접갭보다 큰 설정값(s)만큼 각 부재의 면을 외측으로 연장시킨 연장부(E)를 형성하는 것이다. (S20 단계)The second step is to form an extended portion E in which the surfaces of the respective members are extended outward by a set value s larger than the maximum weld gap in the modeling data. (Step S20)
각각의 부재는 면으로 구성되므로 각 부재의 면을 확장함에 의해 이웃부재와 중첩된 부분에서 용접부가 위치함을 확인할 수 있다는 점에 착안하여, 용접부를 탐색하여 확인할 목적으로 상기 2단계에서 각 부재의 면을 외측으로 연장시키는 연장부(E)를 형성하는 것이다. It is possible to confirm that the welded portion is located at the portion overlapping with the neighboring member by extending the surface of each member since each member is formed of a surface. In order to search for and confirm the welded portion, Thereby forming an extended portion E which extends the surface outward.
상기 최대 용접갭은 추출된 리뷰파일(RVM) 형식의 원시데이터에 포함된 정보로서, 각각의 부재별로 부여된 용접캡이 서로 상이할 수 있으므로, 모든 용접갭을 확인하여, 그 중 가장 큰 용접갭을 최대 용접캡으로 설정한다.The maximum weld gap is information contained in raw data of the extracted review file (RVM) format. Since the weld caps assigned to each member may be different from each other, all weld gaps are checked, and the largest weld gap Is set as the maximum welding cap.
상기 최대 용접갭은 선박설계를 위한 3D 모델링데이터와 함께 설계자에 의해 제공될 수도 있다.The maximum weld gap may be provided by the designer along with 3D modeling data for the ship design.
설정된 최대 용접갭을 이용하여 그 보다 큰 값, 예컨대 최대 용접갭의 1.2~1.5배 크기의 설정값(s)을 설정하고, 그 설정값(s)만큼 각 부재의 면을 외측으로 연장시킨 연장부(E)를 형성한다.A set value s of a larger value, for example, 1.2 to 1.5 times the maximum weld gap, is set using the set maximum weld gap, and an extension portion (E).
도 4 및 도 5는 선박블록을 형성하는 부재가 도 3과 같이 배치된 상태에서 연장부(E)를 형성시키는 과정을 도시하는 것으로서, 대상 부재의 각 면을 설정값(s)만큼 연장시킨다.4 and 5 illustrate a process of forming the extension E in a state in which the members forming the ship block are arranged as shown in Fig. 3, thereby extending each side of the target member by the set value s.
예컨대, 도 3의 특정 판상부재(10)의 경우, 그것을 구성하는 6개 면을 도 4 및 도 5와 같이 설정값(s)만큼 연장시키면, 용접값(t1,t2)보다 큰 폭으로 연장이 이루어지므로, 용접갭(t1,t2)을 사이에 두고 이웃하는 부재(20,30)와 겹치게 되는 겹침부(R)가 발생한다.For example, in the case of the specific plate-like member 10 of Fig. 3, if the six surfaces constituting the plate member 10 are extended by the set value s as shown in Figs. 4 and 5, An overlapping portion R is formed which overlaps the adjacent members 20 and 30 with the weld gaps t1 and t2 therebetween.
2단계에서 최대 용접갭보다 큰 설정값(s)만큼 각 부재의 면을 외측으로 연장시킨 연장부(E)를 형성하는 과정은, 용접부 정보 자동생성이 진행되는 대상 블록의 전체 부재에 대하여 이루어진다.The process of forming the extended portion E in which the surfaces of the respective members are extended outward by the set value s larger than the maximum weld gap in the second step is performed for the entire member of the target block on which the automatic welding information generation is proceeding.
상기 연장부(E)는 각 부재의 면에서 그 면에 수직인 방향으로 연장함으로써 형성시킨다.The extending portion E is formed by extending in the direction perpendicular to the surface of each member.
즉, 연장부(E)를 형성시킴에 있어 하나의 면에서 외측을 향해 다양한 각도로 연장될 수 있으나, 용접비드가 형성되는 방향이 각 면에서 외측을 향하는 수직방향이라 할 수 있으므로 연장부(E)를 형성하는 방향을 각 면에 수직인 방향이 되도록 함으로써, 후술하는 용접길이의 산출이 보다 정확해질 수 있고, 용접될 이웃 부재와 원활한 겹침이 발생하도록 할 수 있으며, 용접되지 않을 타부재와의 겹침의 가능성도 배제될 수 있다.In other words, in forming the extended portion E, it is possible to extend at various angles from one surface toward the outside, but since the direction in which the weld bead is formed is a vertical direction facing outward from each surface, ) Can be made more accurate in the calculation of the welding length described later, so that smooth overlapping with the neighboring member to be welded can be made, The possibility of overlap can also be ruled out.
2단계가 완료된 후, 3단계는 상기 2단계에 의해 형성된 연장부(E)가 이웃하는 부재와 겹치는 겹침부(R)를 추출한다. (S30 단계)After the second step is completed, step 3 extracts the overlapping part R where the extension part E formed by the second step overlaps the neighboring member. (Step S30)
상기 겹침부(R)는 각 부재에서 연장된 연장부(E)가 이웃하는 부재를 침범하고 있는 부분(예컨대, 도 5에서 판상부재 11이 이웃하는 부재 20 및 30을 침범하는 부분)으로서, 3차원 공간상에서 소정의 영역을 특정 부재의 연장부(E)와 다른 부재가 함께 점유하고 있는 것으로 나타난다.The overlapping portion R is a portion where the extending portion E extending from each member is in contact with a neighboring member (for example, a portion in which the sheet member 11 in the vicinity of the adjacent members 20 and 30 in FIG. 5) It can be seen that a predetermined region on the dimension space occupies the extended portion E of the specific member and the other member together.
이러한 겹침부(R)를 판별하여 각 부재에서 발생하는 겹침부(R)를 확인하여 추출한다.The overlapping portion R is identified, and the overlapping portion R generated in each member is identified and extracted.
이후, 상기 4단계는 상기 겹침부(R)를 용접부로 하여 해당 부재의 용접부의 위치 및 길이에 관한 용접부정보를 생성한다. (S40~S70 단계)Then, in the step 4, using the overlapping portion R as a welding portion, welding portion information about the position and length of the welding portion of the member is generated. (Steps S40 to S70)
즉, 추출되어 있는 겹침부(R)가 발생한 위치에서는 설계시 설정된 용접갭(t1,t2)이 형성되어 있는 것을 의미하므로, 선박의 건조시 용접부(용접비드)가 생성되는 부분에 해당한다.That is, it means that the weld gaps t1 and t2 set at the time of designing are formed at the position where the extracted overlapping portion R is formed, and therefore corresponds to the portion where the welded portion (weld bead) is generated when the ship is dried.
용접갭(t1,t2)보다 약간 큰 폭의 연장부(E)가 각 면에서 형성됨에 의해 용접갭이 형성된 위치에서 겹침부(R)가 발생한 것이므로, 설계된 용접갭의 길이와 겹침부(R)의 길이는 동일하게 발생한다.Since the extending portion E having a width slightly larger than the welding gaps t1 and t2 is formed on each surface so that the overlapping portion R is generated at the position where the welding gap is formed, The lengths of the two are the same.
따라서, 겹침부(R)를 용접부로 하여 겹침부(R)의 발생한 부분에서 용접부가 생성될 것으로 볼 수 있고, 겹침부(R)의 길이가 생성될 용접부의 길이가 될 것으로 볼 수 있다.Therefore, it can be considered that the welded portion is generated at the portion where the overlapping portion R is generated with the overlapping portion R as the welded portion, and the length of the overlapping portion R can be regarded as the length of the welded portion to be generated.
따라서, 겹침부(R)를 용접부로 확정하여 용접부정보를 생성한다. (S40 단계)Therefore, the overlapping portion R is fixed to the weld portion to generate the weld portion information. (Step S40)
상기 용접부정보는 각 부재에서 용접부가 생성되는 위치정보와 용접부의 길이정보를 포함하는 것으로서, 용접부의 위치정보는 특정 부재, 예컨대 특정 판상부재의 부재명과 함께, 그 부재에서의 용접부의 위치에 따라 상단(T), 하단(B), 우측(R), 좌측(L) 등으로 표시할 수 있다.The positional information of the welded portion includes information on the position of the welded portion in the member and the name of the member of the specific platear member, (T), the lower end (B), the right end (R), and the left end (L).
하나의 용접부는 양측의 서로 용접되는 부재가 공유하고 있으므로 각각의 부재에서 위치정보가 달라지게 된다. 생성되는 용접부정보를 보다 간결하게 하기 위해, 하나의 용접부는 우선순위를 정하여 양측 중 하나의 부재에만 생성되도록 하는 것이 바람직하다.Since one welded part is shared by members welded to each other on both sides, the positional information is different in each member. In order to simplify the generated welded part information, it is preferable that one welded part is generated in only one of the two members by prioritizing them.
예컨대, 상단(T)으로 표시하는 것이 하단(B)으로 표시하는 것보다 우선하여 상단(T)으로 표시할 수 있는 부재에 용접부정보를 포함시키고, 우측(R)이 좌측(L)보다 우선하여 우측(R)으로 표시할 수 있는 부재에 용접부정보를 포함시키는 것과 같은 규칙을 부여하는 것이다.For example, it is preferable that the indication of the upper part T includes welding part information in a member which can be indicated by the upper part T in preference to the indication of the lower part B, and the right part R has priority over the left part L And to include the welding section information in a member that can be displayed on the right side (R).
용접부의 위치, 용접부의 길이 등의 용접부정보는 각 부재별로 생성되므로, 선박을 구성하는 하나의 블록에 포함된 다수의 부재 리스트에 용접부정보가 부가적으로 포함되도록 데이터를 리스트형식으로 생성한다.Since the welding information such as the position of the welded portion and the length of the welded portion is generated for each member, data is generated in a list format so that welded member information is additionally included in a plurality of member lists included in one block constituting the ship.
즉, 선체를 구성하는 각 블록 별로 다수의 부재 리스트에서 해당 부재에 대응하도록 그 부재에서의 용접부의 위치, 길이 등에 관한 용접부정보가 함께 포함됨으로써, 블록을 구성하는 부재명과 더불어 각 부재별 용접부정보가 부기된 테이터가 생성되어, 용접부 검사를 위한 시트로써, 도 7과 같이 출력될 수 있는 것이다. In other words, welding information on the position, length, and the like of the welded portion in the member is included together in the plurality of member lists for each block constituting the hull so that the welded member information for each member together with the member name constituting the block An additional data is generated and is output as a sheet as shown in Fig. 7 as a sheet for inspection of a welded portion.
이에 따라, 선박 제작시 선주사의 사전검사 승인을 위해, 건조되는 해당 블록의 용접부에 대한 검사정보를, 설계도면을 일일이 확인하면서 인력으로 제작할 필요없이, 자동으로 생성하여 제출할 수 있다.Accordingly, inspection information on the welded part of the block to be dried can be automatically generated and submitted without having to make it by manpower while confirming the design drawings one by one, in order to approve the preliminary inspection by the shipowner during the ship manufacturing.
한편, 각 부재의 면에서 발생하는 겹침부(R) 중 용접부에서 제외할 필요가 있는 겹침부(R)가 존재할 수 있다.On the other hand, among the overlapping portions R generated on the surfaces of the respective members, there may be an overlapping portion R that needs to be removed from the welded portion.
도 6을 참조하면, 판상부재(60)의 둘레면 중 특정면(66)이 용접이 이루어질 이웃의 다른 면(65)과 둔각을 이루도록 경사진 경우, 그 특정면(66)에는 용접부가 실제로 존재하지 않는 면이나 전술한 방법에 따른 과정을 진행시 겹침부(R1)가 발생할 수 있다.6, when a specific surface 66 of the circumferential surface of the sheet member 60 is inclined at an obtuse angle with another adjacent surface 65 to be welded, a welded portion is actually present on the specific surface 66 The overlapping portion R1 may occur in the course of the process according to the above-described method.
즉, 상기 특정면(66)에서부터 설정값(s)만큼 연장부(E)를 형성시킨 경우, 상기 특정면(66)의 하단영역에서 도 6에서 도시하는 바와 같은 겹침부(R1)가 발생한다.That is, when the extended portion E is formed by the set value s from the specific surface 66, the overlapping portion R1 as shown in Fig. 6 is generated in the lower end region of the specific surface 66 .
이에 따라, 그 겹침부(R1)를 용접부에서 제외시키지 않으면, 상기 판상부재의 경사진 특정면(66)에도 용접부정보를 생성시키게 되는 문제가 있다.Thus, unless the overlapping portion R1 is excluded from the welded portion, there is a problem that the welded portion information is also generated on the inclined specific surface 66 of the plate-like member.
이에 따라, 상기 4단계에서는 각 부재의 면 중 특정면(66)에서, 상기 겹침부(R)가 일측단과 타측단 중 어느 하나에 발생하고 상기 특정면의 길이방향을 따르는 상기 겹침부(R1)의 길이(c)가 상기 특정면(66)의 전체 길이의 10%미만인 경우, 겹침부(R1)는 용접부에서 제외하도록 한다.Accordingly, in the fourth step, the overlapping portion R 1, which is formed on one of the one end and the other end, of the specific surface 66 of each member, and along the length direction of the specific surface, The overlapping portion R1 is excluded from the welded portion when the length c of the overlapping portion R1 is less than 10% of the total length of the specific surface 66. [
통상, 도 6에서와 같은 경사진 특정면(66)의 하단영역에서 발생하는 겹침부(R)는 그 겹침영역이 미미하여, 그 특정면(66) 전체의 길이의 10%를 판단의 경계로 함으로써 제거될 수 있다.Usually, the overlapping region R generated in the lower end region of the slanting specific face 66 as shown in FIG. 6 has a small overlapping region, and 10% of the entire length of the specific face 66 is used as a judgment boundary Can be removed.
본 발명은 조선소 또는 해양플랜트업체에서 선박의 설계시 각 부재의 용접이 이루어질 부분을 탐색하고, 용접부의 위치 및 길이 등에 관한 용접부 정보를 자동으로 생성하는 방법으로 활용될 수 있다.The present invention can be applied to a shipyard or an offshore plant company to search for a portion to be welded when designing a ship, and to automatically generate information on a welded portion regarding the position and length of the welded portion.

Claims (4)

  1. 다수의 부재가 서로 용접갭을 가지고 배치되어 있는 모델링데이터가 준비되는 1단계;A first step of preparing modeling data in which a plurality of members are arranged with a weld gap therebetween;
    상기 모델링데이터에서의 최대 용접갭보다 큰 설정값(s)만큼 각 부재의 면을 외측으로 연장시킨 연장부(E)를 형성하는 2단계;A step (2) of forming an extension (E) of which the face of each member extends outward by a set value (s) larger than a maximum weld gap in the modeling data;
    상기 2단계에 의해 형성된 연장부(E)가 이웃하는 부재와 겹치는 겹침부(R)를 추출하는 3단계;A third step of extracting an overlapping portion R where the extending portion E formed by the step 2 overlaps with the neighboring member;
    상기 겹침부(R)를 용접부로 하여 해당 부재의 용접부의 위치에 관한 용접부정보를 생성하는 4단계를 포함하되,And generating weld information relating to a position of a welded portion of the member using the overlapping portion (R) as a welded portion,
    상기 4단계에서는 In the fourth step
    각 부재의 면 중 특정면에서, 상기 겹침부(R)가 일측단과 타측단 중 어느 하나에 발생하고 상기 특정면의 길이방향을 따르는 상기 겹침부(R)의 길이(c)가 상기 특정면의 전체 길이의 10%미만인 경우, 상기 특정면의 상기 겹침부(R)를 상기 용접부에서 제외하는 것을 특징으로 하는 용접부 정보 자동생성방법The length (c) of the overlapping portion (R) along the longitudinal direction of the specific surface occurs on one of the one end and the other end of the overlapping portion (R) on a specific surface of each member, And the overlapping portion (R) of the specific surface is excluded from the welded portion when the welded portion is less than 10% of the total length
  2. 제1항에 있어서,The method according to claim 1,
    상기 2단계에서 상기 연장부(E)는 각 부재의 면에서 그 면에 수직의 방향으로 연장함으로써 형성시키는 것을 특징으로 하는 용접부 정보 자동생성방법Wherein the extending portion (E) is formed by extending in a direction perpendicular to a surface of each member in the step (2)
  3. 제1항에 있어서,The method according to claim 1,
    상기 용접부정보에는 용접부의 길이를 포함하되, 상기 겹침부의 길이를 용접부의 길이로 하는 것을 특징으로 하는 용접부 정보 자동생성방법Wherein the welding information includes the length of the welded portion, and the length of the overlapping portion is set to the length of the welded portion
  4. 제1항 내지 제3항 중 어느 한 항에 기재된 방법을 구현하기 위한 프로그램 데이터가 기록되어, 컴퓨터 프로세서에 의해 판독 및 실행 가능한 기록매체A computer-readable recording medium having recorded thereon program data for implementing the method of any one of claims 1 to 3,
PCT/KR2018/010917 2017-09-26 2018-09-17 Method for automatically generating welding part information and recording medium having programs recorded therein for implementing same WO2019066347A1 (en)

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