KR20030071100A - Method of Manufacturing Large Scale Molding Using Reverse Engineering Techniques - Google Patents
Method of Manufacturing Large Scale Molding Using Reverse Engineering Techniques Download PDFInfo
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- KR20030071100A KR20030071100A KR1020020010637A KR20020010637A KR20030071100A KR 20030071100 A KR20030071100 A KR 20030071100A KR 1020020010637 A KR1020020010637 A KR 1020020010637A KR 20020010637 A KR20020010637 A KR 20020010637A KR 20030071100 A KR20030071100 A KR 20030071100A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 238000000465 moulding Methods 0.000 title 1
- 238000004215 lattice model Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 3
- 230000003362 replicative effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating 3D models or images for computer graphics
- G06T19/20—Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
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- Architecture (AREA)
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- Processing Or Creating Images (AREA)
Abstract
Description
본 발명은 역설계 기법을 이용하여 소형 조형물의 형상을 복제한 후 대형 조형물을 제작하는 방법에 관한 것이다.The present invention relates to a method for manufacturing a large sculpture after replicating the shape of the small sculpture using a reverse engineering technique.
제작 도면이 없는 조형물을 참조하여 대형 조형물을 제작하는데 있어서, 지금까지는 육안 또는 제작자의 감각에 의존하여 대형 조형물을 제작해 왔다. 이 경우 형상의 정밀도 측면에서 상당한 오차가 발생하여 곡선부와 같은 부분의 미세한 변화뿐만 아니라 전체적인 형상에 있어서도 많은 차이점을 보인다.In manufacturing large-scale sculptures with reference to sculptures without manufacturing drawings, large-scale sculptures have been produced so far depending on the naked eye or the senses of the producers. In this case, a considerable error occurs in terms of shape accuracy, and there are many differences in the overall shape as well as the minute change of the curved portion.
이와 같은 문제점들로 인해 참조되는 소형 조형물(이하, 참조 조형물로 부름)과 형상이 일치하는 대형 조형물을 제작하는 것은 현실적으로 불가능하였다.Due to these problems, it was practically impossible to produce a large sculpture that matches the shape of the small sculpture (hereinafter, referred to as a reference sculpture).
따라서, 상기와 같은 문제점을 해결하기 위하여, 본 발명은 역설계 기법을 이용하여 소형 조형물의 형상을 복제한 후 대형 조형물을 제작하는 방법을 제공하는 것을 목적으로 한다.Accordingly, in order to solve the above problems, an object of the present invention is to provide a method for manufacturing a large sculpture after replicating the shape of the small sculpture using a reverse engineering technique.
상기 목적을 달성하기 위해, 본 발명은 3차원 스캐닝 장치를 이용하여 참조 조형물을 측정하는 스캐닝 단계, 3차원 모델 데이터 생성 단계, 3차원 모델 데이터 확대 단계, 상기 확대된 3차원 모델의 분할 단계, 상기 분할 모델의 실물 제작 단계 및 대형 조형물 조립 단계를 포함하는 역설계 기법을 이용한 대형 조형물 제작 방법을 제공한다.In order to achieve the above object, the present invention provides a scanning step of measuring a reference sculpture using a three-dimensional scanning device, three-dimensional model data generation step, three-dimensional model data expansion step, the step of dividing the enlarged three-dimensional model, The present invention provides a method for manufacturing a large sculpture using a reverse design technique including a real production step of a divided model and a large sculpture assembly step.
도 1은 본 발명에 따른 대형 조형물 축조 과정을 보여주는 도면.1 is a view showing a large sculpture construction process according to the present invention.
도 2는 본 발명에 따른 역설계 기법에 의해 소형 조형물을 복제하여 대형 조형물을 제작하는 방법을 보여주는 플로우챠트.Figure 2 is a flow chart showing a method for producing a large sculpture by replicating a small sculpture by the reverse engineering technique according to the present invention.
(도면의 주요 부분에 대한 부호의 설명)(Explanation of symbols for the main parts of the drawing)
11 : 참조 조형물12 : 3차원 스캐닝 장치11: reference sculpture 12: three-dimensional scanning device
13 : 컴퓨터14 : 3차원 캐드 모델13: computer 14: three-dimensional CAD model
15: 실제 크기의 3차원 캐드 모델16 : 확대 3차원 모델15: 3D CAD model of real size 16: 3D model
17 : 3차원 분할 모델18 : 대형 조형물17: three-dimensional partition model 18: large sculpture
본 발명의 역설계 기법을 이용한 대형 조형물 제작 방법은 3차원 스캐닝 장치를 이용하여 참조 조형물을 측정하는 스캐닝 단계, 3차원 모델 데이터 생성 단계, 3차원 모델 데이터 확대 단계, 상기 확대된 3차원 모델의 분할 단계, 상기 분할 모델의 실물 제작 단계 및 대형 조형물 조립 단계로 이루어진다.In the large-scale sculpture production method using the reverse engineering method of the present invention, a scanning step of measuring a reference sculpture using a three-dimensional scanning device, three-dimensional model data generation step, three-dimensional model data expansion step, the division of the enlarged three-dimensional model It consists of a step, a real production step of the divided model and a large sculpture assembly step.
이하, 도면을 참조하면서 본 발명을 더 상세히 설명한다.Hereinafter, the present invention will be described in more detail with reference to the drawings.
도 1은 본 발명에 따른 대형 조형물 축조 과정을 보여주는 도면이다.1 is a view showing a large sculpture construction process according to the present invention.
도 1에 있어서, 우선 3차원 스캐닝 장치(12)를 이용하여 참조 조형물(11)의 3차원 형상을 디지털 데이터로 획득한다. 여기서, 3차원 스캐닝 장치로서 공지된 비접촉 3차원 스캐너를 사용한다. 3차원 데이터를 획득하기 위한 스캐닝 단계에서는 측정 대상물의 표면이 3차원 좌표값을 갖는 다수의 점으로 이루어진 점군 데이터로 표현된다.In FIG. 1, first, the three-dimensional shape of the reference sculpture 11 is obtained as digital data using the three-dimensional scanning apparatus 12. Here, a known non-contact three-dimensional scanner is used as the three-dimensional scanning apparatus. In the scanning step for acquiring three-dimensional data, the surface of the measurement object is represented by point group data including a plurality of points having three-dimensional coordinate values.
이와 같이 스캐닝에 의해 얻어지는 점군 데이터를 컴퓨터(13)를 이용하여 3차원 캐드 모델(14)을 완성하고, 실제 크기(L)의 3차원 캐드 모델(15)을 만든 후, 이를 원하는 크기, 예를 들어 실제 크기(L)의 2배 내지 10000배로 확대하여 참조 조형물과 형상이 일치하는 확대 3차원 모델(16)의 3차원 모델 데이터를 얻는다.In this way, the point group data obtained by scanning is completed using the computer 13, the 3D CAD model 14 is made, the 3D CAD model 15 of the actual size L is made, and the desired size, for example, For example, it is enlarged to 2 to 10000 times the actual size L to obtain three-dimensional model data of the enlarged three-dimensional model 16 whose shape matches the reference sculpture.
그 다음, 3차원 캐드 시스템을 이용하여 대형 조형물의 3차원 모델을 제작의 편의성에 따라 적당한 크기로 분할하여 3차원 분할 모델(17)을 만들고, 이를 캠 시스템을 이용하여 실물로 제작한다. 이 조각들을 이어 조립하여, 참조 조형물과 동일한 형상의 대형 조형물(18)을 제작하게 된다.Then, the three-dimensional model of the large sculpture is divided into appropriate sizes using the three-dimensional CAD system to make a three-dimensional partitioned model 17, which is manufactured in real using a cam system. These pieces are then assembled to form a large sculpture 18 having the same shape as the reference sculpture.
도 2는 본 발명에 따른 3차원 데이터의 획득 방법 및 데이터 생성 과정, 이를 이용한 대형 조형물 축조 과정을 보여주는 도면이다.2 is a view showing a three-dimensional data acquisition method and data generation process according to the present invention, a large sculpture construction process using the same.
우선, 참조 조형물을 사전 조사하고(S11), 단계 S12에서 3차원 스캐닝 장치를 이용하여 참조 조형물 표면에 대해 3차원 좌표값을 갖는 다수의 점군 데이터를 획득한다. 여기서, 3차원 스캐닝 장치로서 비접촉 3차원 스캐너를 이용할 수 있다.First, the reference sculptures are examined in advance (S11), and in step S12, a plurality of point group data having three-dimensional coordinate values with respect to the reference sculpture surface are obtained by using the three-dimensional scanning apparatus. Here, a non-contact three-dimensional scanner can be used as the three-dimensional scanning apparatus.
단계 S13에서 무수한 점군 데이터를 3개씩 이어, 삼각형 격자 구조의 모델을 완성한 후, 이를 이용하여 캐드 또는 캠 시스템에서 이용 가능한 3차원 모델 데이터를 만든다.After counting three point group data three by one in step S13, a model of a triangular lattice structure is completed, and then used to create three-dimensional model data that can be used in a CAD or cam system.
단계 S14에서 원하는 크기, 예를 들어 실제 크기의 2배 내지 10000배로 확대하여 참조 조형물과 형상이 일치하는 대형 조형물의 3차원 모델 데이터를 만든다.In step S14, three-dimensional model data of a large sculpture whose shape is coincident with the reference sculpture is enlarged to a desired size, for example, 2 to 10,000 times the actual size.
단계 S15에서 3차원 캐드 시스템을 이용하여 대형 조형물의 3차원 모델을 제작 편의성에 따라 적당한 크기로 분할한다.In step S15, using the three-dimensional CAD system, the three-dimensional model of the large sculpture is divided into appropriate sizes according to the manufacturing convenience.
단계 S16에서 캠 시스템을 이용하여 분할된 각각의 조각을 실물로 제작한다.In step S16, each piece divided by the cam system is fabricated.
단계 S17에서 실물 조각들을 이어 조립하여 참조 조형물과 동일한 형상의 대형 조형물을 제작한다.In step S17, the real pieces are assembled together to produce a large sculpture having the same shape as the reference sculpture.
본 발명에 의하면, 참조 조형물과 형상이 동일한 다양한 크기의 대형 조형물 제작이 가능하다. 또한, 완성된 데이터는 그 자체로 영구적인 보존 자료로 측정 대상물의 3차원 데이터화, 도면화가 가능하며, 훼손 부위의 데이터를 과학적으로 추정해 낼 수 있어 실제의 모습으로 복원시킬 수 있는 데이터를 제공할 수 있으며, 산업계에서는 정밀 복제품 제작 및 가상 디지털 목업(Mock-up)에 이용할 수 있다. 또한, 가상 현실 기술의 발달과 인터넷 및 고속 통신망을 이용한 3차원 가상 박물관 구축 등에도 이용할 수 있는 장점이 있다.According to the present invention, it is possible to produce large-sized sculptures of various sizes having the same shape as the reference sculpture. In addition, the completed data is itself a permanent preservation data that can be three-dimensional data and drawing of the measurement object, and can provide data that can be restored to the real state by scientifically estimating the data of the damaged part. Industry can use it for precision replicas and virtual digital mock-ups. In addition, there is an advantage that can be used in the development of virtual reality technology and building a three-dimensional virtual museum using the Internet and high-speed communication network.
이상에서는 본 발명을 특정의 바람직한 실시예에 대하여 나타내고 설명하다. 그러나, 본 발명은 상술한 실시예에만 한정되는 것은 아니며, 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자라면 이하의 특허청구범위에 기재된 본 발명의 기술적 사상의 요지를 벗어남이 없이 다양하게 변경 실시할 수 있을 것이다.In the above, this invention is shown and demonstrated about the specific preferable Example. However, the present invention is not limited to the above-described embodiments, and those skilled in the art to which the present invention pertains have various changes without departing from the spirit of the technical idea of the present invention described in the claims below. Could be done.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100646587B1 (en) * | 2005-11-15 | 2006-11-23 | 경기공업대학 산학협력단 | Medial axis extraction use measurement data of third dimension design transformation method |
| KR101530262B1 (en) * | 2014-10-07 | 2015-06-23 | 한국건설기술연구원 | Mechanical, Electrical, and Plumbing Pipe Object Reverse Engineering System |
| KR101530267B1 (en) * | 2014-10-07 | 2015-06-23 | 한국건설기술연구원 | Mechanical, Electrical, and Plumbing Pipe Object Reverse Engineering Method |
| KR20200061521A (en) | 2018-11-26 | 2020-06-03 | 최형준 | Large sculpture using container structure |
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| KR20200061521A (en) | 2018-11-26 | 2020-06-03 | 최형준 | Large sculpture using container structure |
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