CN113996755A - Digital dieless manufacturing method of copper tripod - Google Patents
Digital dieless manufacturing method of copper tripod Download PDFInfo
- Publication number
- CN113996755A CN113996755A CN202111214376.9A CN202111214376A CN113996755A CN 113996755 A CN113996755 A CN 113996755A CN 202111214376 A CN202111214376 A CN 202111214376A CN 113996755 A CN113996755 A CN 113996755A
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- Prior art keywords
- tripod
- copper
- data
- sand mold
- model
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 239000010949 copper Substances 0.000 title claims abstract description 65
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 45
- 239000004576 sand Substances 0.000 claims abstract description 66
- 229910000906 Bronze Inorganic materials 0.000 claims abstract description 33
- 239000010974 bronze Substances 0.000 claims abstract description 33
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000005266 casting Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000010146 3D printing Methods 0.000 claims abstract description 12
- 238000013499 data model Methods 0.000 claims abstract description 6
- 230000009467 reduction Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Computer Graphics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Geometry (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a digitalized dieless manufacturing method of a bronze tripod, which comprises the following steps of (1) carrying out forward modeling through three-dimensional software, and reversely acquiring data through 3D scanning; (2) constructing a three-dimensional data model of the bronze vessel according to the data, and carrying out casting process design according to the three-dimensional model; (3) and obtaining three-dimensional data of the copper tripod sand mold, obtaining the copper tripod sand mold through the manufacturing of a 3D printing sand mold and a CNC engraving sand mold, and obtaining a final copper tripod product according to the casting of the copper tripod sand mold. The invention replaces a solid model with a digital model, replaces the traditional manual molding method with a non-mold manufacturing process method combining a 3D printing sand mold and a CNC engraving sand mold, reduces the subjective influence of operators on the quality of the copper tripod, and stably controls the manufacturing quality of the copper tripod by intelligent manufacturing.
Description
Technical Field
The invention relates to the field of processing engineering, in particular to a digital dieless manufacturing method of a copper tripod.
Background
The existing copper tripod processing and manufacturing in the industry is a traditional production and manufacturing process, a solid model of the copper tripod is firstly carved and manufactured, then the precision casting or sand casting, the manual modeling and the mold turnover are used for manufacturing the sand mold casting, and the processing and manufacturing are realized on the basis of the solid model.
Under the manufacturing process, a set of model needs to be carved every time a bronze vessel is manufactured, and if the bronze vessel with changed size appears, the model needs to be carved according to different sizes, so that the cost is increased, and the time period is prolonged. Meanwhile, the traditional manual modeling has uncertainty on quality control, and the skill level and the attention degree of personnel operation have great influence on the quality of the copper tripod.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the defects of the prior art, the invention provides a digital dieless manufacturing method of a copper tripod, which replaces a solid model with a digital model and replaces the traditional manual modeling method with a dieless manufacturing method combining a 3D printing sand mould and a CNC engraving sand mould, so that the subjective influence of operators on the quality of the copper tripod is reduced, and the quality of the copper tripod is manufactured and stably controlled by intelligent manufacturing.
The technical scheme is as follows: the invention discloses a digitalized dieless manufacturing method of a copper tripod, which is characterized by comprising the following steps: the method comprises the following steps:
(1) carrying out forward modeling through three-dimensional software, and reversely acquiring data through 3D scanning;
(2) constructing a three-dimensional data model of the bronze vessel according to the data, and carrying out casting process design according to the three-dimensional model;
(3) and obtaining three-dimensional data of the copper tripod sand mold, obtaining the copper tripod sand mold through the manufacturing of a 3D printing sand mold and a CNC engraving sand mold, and obtaining a final copper tripod product according to the casting of the copper tripod sand mold.
In the step (1), a method combining reverse engineering and forward modeling is adopted to design a digitalized model of the bronze vessel.
The method combining reverse engineering and forward modeling specifically comprises the following steps: determining the size and shape of the copper tripod, manufacturing an entity model with the same scale reduction, and finely scanning the model to obtain original data of a digital model; performing data processing operation on the original data to obtain a digital model in a point cloud format; and adopting forward modeling to draw and correct the fine textures on the surface of the bronze vessel, converting the data in the point cloud format into entity data, and acquiring a complete digital model in the entity data format.
The data processing operation comprises global registration, hole filling, manifold removal and clipping.
The data are directly zoomed for the copper tripods with the same style and different specifications; and adjusting the data of the bronze vessel with similar style, and simultaneously reversely acquiring the data of the previous bronze vessel product to establish a three-dimensional database for calling.
In the step (2), according to the specification and the surface texture of the copper tripod, the modularization, the parameterization and the database of the casting process are adopted, casting process parameters are designed, and the casting process is designed on a digital model of the copper tripod.
After the casting process parameters are determined, the sand eating amount is determined according to the size of the casting, and the design of the copper tripod sand mold is carried out by adopting software to obtain the sand mold and the inner core.
And (4) in the step (3), importing the designed sand mould data of the copper tripod into software, and manufacturing a copper tripod sand mould through a 3D printing sand mould and a CNC engraving sand mould.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: the invention replaces a solid model, designs and manufactures a three-dimensional data sand mold of a copper tripod through three-dimensional software on the basis of a three-dimensional data model of the copper tripod by a method of combining forward modeling and reverse data acquisition, and manufactures the sand mold for casting production by combining a 3D printing sand mold technology and a CNC engraving sand mold technology.
The invention can be put into use, can forbid the manufacture of a 1:1 entity model, reduce the material consumption, reduce the cost and simultaneously avoid the pollution of certain model materials to the environment. The modification and adjustment of the model can be directly carried out in data processing software, so that the reworking in the entity model is avoided, the time is saved, and the waste is reduced.
In the copper tripod manufacturing stage, the sand mold data are obtained through data processing, the appearance, lines, ornamentation and other characteristics of the copper tripod can be completely reduced, the problems caused by manual operation of operators are avoided, and the surface quality of the copper tripod can be greatly improved. Meanwhile, the sand mold is manufactured through equipment to replace manual operation, and the production efficiency is improved.
Drawings
FIG. 1 is a block diagram of the present invention.
Detailed Description
The technical solution of the present invention is further described with reference to the accompanying drawings and the detailed description.
The invention relates to a digitalized dieless manufacturing method of a copper tripod, which comprises the following steps:
(1) forward modeling is performed through three-dimensional software, and data are acquired reversely through 3D scanning. And designing a digitalized model of the bronze vessel by adopting a method combining reverse engineering and forward modeling. The method for combining reverse engineering and forward modeling specifically comprises the following steps: determining the size and shape of the copper tripod, manufacturing an entity model with the same scale reduction, and finely scanning the model to obtain original data of a digital model; performing data processing operation on the original data to obtain a digital model in a point cloud format; and adopting forward modeling to draw and correct the fine textures on the surface of the bronze vessel, converting the data in the point cloud format into entity data, and acquiring a complete digital model in the entity data format. The data processing operations include global registration, hole filling, de-manifold and clipping.
(2) And constructing a three-dimensional data model of the bronze vessel according to the data, and carrying out casting process design according to the three-dimensional model. According to the specification and the surface ornamentation of the bronze vessel, casting process parameters are designed by adopting the modularization, the parameterization and the database of the casting process, and the casting process is designed on the digital model of the bronze vessel. After the casting process parameters are determined, the sand eating amount is determined according to the size of the casting, and the design of the copper tripod sand mold is carried out by adopting software to obtain the sand mold and the inner core.
(3) And obtaining three-dimensional data of the copper tripod sand mold, obtaining the copper tripod sand mold through the manufacturing of a 3D printing sand mold and a CNC engraving sand mold, and obtaining a final copper tripod product according to the casting of the copper tripod sand mold. And importing the designed sand mould data of the copper tripod into software, and manufacturing a copper tripod sand mould through a 3D printing sand mould and a CNC engraving sand mould.
The data are directly zoomed for the copper tripods with the same style and different specifications; and adjusting the data of the bronze vessel with similar style, and simultaneously reversely acquiring the data of the previous bronze vessel product to establish a three-dimensional database for calling.
The invention replaces a solid model, designs and manufactures a three-dimensional data sand mold of a copper tripod through three-dimensional software on the basis of a three-dimensional data model of the copper tripod by a method of combining forward modeling and reverse data acquisition, and manufactures the sand mold for casting production by combining a 3D printing sand mold technology and a CNC engraving sand mold technology.
The invention can be put into use, can forbid the manufacture of a 1:1 entity model, reduce the material consumption, reduce the cost and simultaneously avoid the pollution of certain model materials to the environment. The modification and adjustment of the model can be directly carried out in data processing software, so that the reworking in the entity model is avoided, the time is saved, and the waste is reduced.
In the copper tripod manufacturing stage, the sand mold data are obtained through data processing, the appearance, lines, ornamentation and other characteristics of the copper tripod can be completely reduced, the problems caused by manual operation of operators are avoided, and the surface quality of the copper tripod can be greatly improved. Meanwhile, the sand mold is manufactured through equipment to replace manual operation, and the production efficiency is improved.
The design idea of the invention is as follows: because the surface ornamentation of the copper tripod is fine and complex and the cultural elements are various, a digital model of the copper tripod is usually designed by combining a reverse engineering technology and a forward modeling technology. The method comprises the following specific steps: after the size and the shape of the copper tripod are determined, an entity model with the same scale reduction is manufactured, and the model with the same scale reduction is subjected to fine scanning so as to quickly obtain original data of a digital model; carrying out data processing such as global registration, hole filling, manifold removal, cutting and the like on the original data to obtain a relatively complete digital model in a point cloud format; and adopting a forward modeling technology to outline and correct the fine textures on the surface of the bronze vessel, and converting the data in the point cloud format into entity data so as to obtain a complete digital model in the entity data format.
And for the copper tripods with the same style and different specifications, the data are directly zoomed. And adjusting the data of the bronze vessel with similar style, and simultaneously reversely acquiring the data of the previous bronze vessel product to establish a three-dimensional database for calling. According to the specification and the surface pattern condition of the copper tripod, casting process parameters are designed by utilizing the modularization, parameterization and database of the casting process, and casting process rapid design such as a pouring system is directly carried out on a digital model of the copper tripod, so that the rationality of the pouring system is ensured, and the design time is reduced. After the casting process scheme is determined, selecting a proper sand eating amount according to the size of a casting, and designing a copper tripod sand mold by using software to obtain a sand mold (sand mold female mold) and an inner core. And (3) importing the designed sand mould data of the copper tripod into software, and manufacturing a sand mould by combining a 3D printing sand mould technology and a CNC engraving sand mould technology.
Claims (8)
1. A digitalized dieless manufacturing method of a copper tripod is characterized in that: the method comprises the following steps:
(1) carrying out forward modeling through three-dimensional software, and reversely acquiring data through 3D scanning;
(2) constructing a three-dimensional data model of the bronze vessel according to the data, and carrying out casting process design according to the three-dimensional model;
(3) and obtaining three-dimensional data of the copper tripod sand mold, obtaining the copper tripod sand mold through the manufacturing of a 3D printing sand mold and a CNC engraving sand mold, and obtaining a final copper tripod product according to the casting of the copper tripod sand mold.
2. The digital dieless fabrication method of bronze vessel according to claim 1, wherein: in the step (1), a method combining reverse engineering and forward modeling is adopted to design a digitalized model of the bronze vessel.
3. The digital dieless fabrication method of bronze vessel according to claim 2, wherein: the method for combining reverse engineering and forward modeling specifically comprises the following steps: determining the size and shape of the copper tripod, manufacturing an entity model with the same scale reduction, and finely scanning the model to obtain original data of a digital model; performing data processing operation on the original data to obtain a digital model in a point cloud format; and adopting forward modeling to draw and correct the fine textures on the surface of the bronze vessel, converting the data in the point cloud format into entity data, and acquiring a complete digital model in the entity data format.
4. The digital dieless fabrication method of bronze vessel according to claim 3, wherein: the data processing operation comprises global registration, hole filling, manifold removal and clipping.
5. The digital dieless fabrication method of bronze vessel according to claim 1, wherein: directly zooming data for the copper tripods with the same style and different specifications; and adjusting the data of the bronze vessel with similar style, and simultaneously reversely acquiring the data of the previous bronze vessel product to establish a three-dimensional database for calling.
6. The digital dieless fabrication method of bronze vessel according to claim 1, wherein: in the step (2), according to the specification and the surface texture of the bronze vessel, casting process parameters are designed by adopting the modularization, the parameterization and the database of the casting process, and the casting process is designed on the digital model of the bronze vessel.
7. The digital dieless fabrication method of bronze vessel according to claim 6, wherein: after the casting process parameters are determined, the sand eating amount is determined according to the size of the casting, and the design of the sand mold with the copper tripod is carried out by adopting software to obtain the sand mold and the inner core.
8. The digital dieless fabrication method of bronze vessel according to claim 1, wherein: and (3) importing the designed sand mould data of the copper tripod into software, and manufacturing a copper tripod sand mould through a 3D printing sand mould and a CNC engraving sand mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111214376.9A CN113996755A (en) | 2021-10-19 | 2021-10-19 | Digital dieless manufacturing method of copper tripod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111214376.9A CN113996755A (en) | 2021-10-19 | 2021-10-19 | Digital dieless manufacturing method of copper tripod |
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| Publication Number | Publication Date |
|---|---|
| CN113996755A true CN113996755A (en) | 2022-02-01 |
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| CN202111214376.9A Pending CN113996755A (en) | 2021-10-19 | 2021-10-19 | Digital dieless manufacturing method of copper tripod |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130220570A1 (en) * | 2012-02-29 | 2013-08-29 | Ford Motor Company | Additive fabrication technologies for creating molds for die components |
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| CN108214819A (en) * | 2018-01-12 | 2018-06-29 | 东华大学 | A kind of domestic ceramics Mould design and manufacturing method based on reverse-engineering |
| CN108994257A (en) * | 2018-08-28 | 2018-12-14 | 宝鸡高新智能制造技术有限公司 | A kind of 3D printing forms the casting method of large-scale elaborate inner cavity component |
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| CN110102711A (en) * | 2019-04-11 | 2019-08-09 | 兰州兰石集团有限公司铸锻分公司 | The manufacturing method of steel-casting moulding process casting mold |
| CN111603281A (en) * | 2020-05-29 | 2020-09-01 | 上海健康医学院 | Digital decorative false ear forming method |
| CN112207233A (en) * | 2020-09-24 | 2021-01-12 | 苏州恒利莱模具有限公司 | Mold manufacturing process based on 3D printing technology |
-
2021
- 2021-10-19 CN CN202111214376.9A patent/CN113996755A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130220570A1 (en) * | 2012-02-29 | 2013-08-29 | Ford Motor Company | Additive fabrication technologies for creating molds for die components |
| CN106001409A (en) * | 2016-07-01 | 2016-10-12 | 青岛西班港环保科技有限公司 | Method for casting large investment pattern through rapid reversing and 3D printing |
| CN108214819A (en) * | 2018-01-12 | 2018-06-29 | 东华大学 | A kind of domestic ceramics Mould design and manufacturing method based on reverse-engineering |
| CN108994257A (en) * | 2018-08-28 | 2018-12-14 | 宝鸡高新智能制造技术有限公司 | A kind of 3D printing forms the casting method of large-scale elaborate inner cavity component |
| CN109840954A (en) * | 2018-12-21 | 2019-06-04 | 南京晨光艺术工程有限公司 | A kind of construction method of complex object physical model |
| CN110102711A (en) * | 2019-04-11 | 2019-08-09 | 兰州兰石集团有限公司铸锻分公司 | The manufacturing method of steel-casting moulding process casting mold |
| CN111603281A (en) * | 2020-05-29 | 2020-09-01 | 上海健康医学院 | Digital decorative false ear forming method |
| CN112207233A (en) * | 2020-09-24 | 2021-01-12 | 苏州恒利莱模具有限公司 | Mold manufacturing process based on 3D printing technology |
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Application publication date: 20220201 |