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 PDFInfo
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
Definitions
- 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
Description
Claims (4)
- 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 step각 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
- 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)
- 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
- 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,
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JP2020514485A JP6931448B2 (en) | 2017-09-26 | 2018-09-17 | A recording medium in which a method for automatically generating weld information and a program for realizing it are recorded. |
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CN116822064A (en) * | 2023-08-30 | 2023-09-29 | 中国船舶集团有限公司第七一九研究所 | Welding part installation album drawing method and system based on CAA development |
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CN110795782B (en) * | 2019-09-20 | 2023-02-17 | 久瓴(江苏)数字智能科技有限公司 | Method and device for generating connection node, computer equipment and storage medium |
KR102261396B1 (en) * | 2020-11-18 | 2021-06-07 | 디케이소프트 주식회사 | Data automatic producing method of welding parts for enhancing accuracy efficiency |
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Patent Citations (5)
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JPH09164483A (en) * | 1995-12-13 | 1997-06-24 | Nkk Corp | Automatically deciding system for welding route |
JPH11291039A (en) * | 1998-04-15 | 1999-10-26 | Hitachi Ltd | Cad system having function setting welding line and simulation system |
JP2010184278A (en) * | 2009-02-13 | 2010-08-26 | Kobe Steel Ltd | Method of selecting weld line |
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CN116822064A (en) * | 2023-08-30 | 2023-09-29 | 中国船舶集团有限公司第七一九研究所 | Welding part installation album drawing method and system based on CAA development |
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KR101816871B1 (en) | 2018-01-09 |
JP6931448B2 (en) | 2021-09-08 |
JP2020520812A (en) | 2020-07-16 |
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