JPH06269897A - Production of pattern for casting - Google Patents
Production of pattern for castingInfo
- Publication number
- JPH06269897A JPH06269897A JP5063845A JP6384593A JPH06269897A JP H06269897 A JPH06269897 A JP H06269897A JP 5063845 A JP5063845 A JP 5063845A JP 6384593 A JP6384593 A JP 6384593A JP H06269897 A JPH06269897 A JP H06269897A
- Authority
- JP
- Japan
- Prior art keywords
- casting
- pattern
- photocurable resin
- casting model
- photosetting resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005266 casting Methods 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 26
- 229920005989 resin Polymers 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000956 alloy Substances 0.000 claims abstract description 7
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- 230000001678 irradiating effect Effects 0.000 claims abstract description 6
- 238000010125 resin casting Methods 0.000 claims description 37
- 239000000463 material Substances 0.000 abstract description 13
- 239000011248 coating agent Substances 0.000 abstract description 8
- 238000000576 coating method Methods 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 5
- 238000007751 thermal spraying Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- -1 aluminum or copper Chemical class 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、光硬化性樹脂製鋳造用
模型の製作方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing a photocurable resin casting model.
【０００２】[0002]
【従来の技術】従来は、三次元ＣＡＤを用いて鋳造方案
を設計後、そのデータに基づいて光硬化性樹脂にレーザ
光線を照射し、同光硬化性樹脂の硬化反応を利用して、
光硬化性樹脂製鋳造用模型を製作して、鋳型を形成して
いた。図８は、同光硬化性樹脂製鋳造用模型を使用した
鋳型製作時の状態を示しており、１が光硬化性樹脂製鋳
造用模型、６が鋳枠、７が鋳型材である。2. Description of the Related Art Conventionally, after designing a casting plan by using a three-dimensional CAD, a photocurable resin is irradiated with a laser beam based on the data, and a curing reaction of the photocurable resin is utilized,
A photo-curable resin casting model was produced to form a mold. FIG. 8 shows a state at the time of making a mold using the same photocurable resin casting model, where 1 is a photocurable resin casting model, 6 is a casting frame, and 7 is a mold material.
【０００３】[0003]
【発明が解決しようとする課題】前記従来の鋳造用模型
の製作方法には、次の問題があった。即ち、 （１）光硬化性樹脂製鋳造用模型１を用いて鋳型を繰り
返し製作する場合、鋳型材７を手で搗き固めるか、機械
的な振動により鋳型材７を鋳枠６に充填するので、光硬
化性樹脂製鋳造用模型１の表面が早期に磨耗して、鋳造
品の寸法精度に低下したり、光硬化性樹脂製鋳造用模型
１が早期に破損したりするという問題があった。 （２）光硬化性樹脂製鋳造用模型１自体の吸湿による膨
張のため、模型寸法に経時変化が生じて、この場合に
も、鋳造品の寸法精度が低下する。なお実測値として
は、模型製作後、１ヶ月経過した時点で、外径２００ｍ
ｍの模型寸法に対して＋１．４〜＋１．６ｍｍの寸法変
化が生じていた。 （３）また鋳型材７を手で搗き固めるか、機械的な振動
により鋳型材７を鋳枠６に充填する前、光硬化性樹脂製
鋳造用模型１に液状または粉末状の離型材を塗布して、
鋳型材７の鋳造用模型１への付着を防止する必要があっ
た。The conventional method for producing a casting model has the following problems. That is, (1) When a mold is repeatedly manufactured using the photocurable resin casting model 1, the mold material 7 is manually stiffened, or the mold material 7 is filled in the molding frame 6 by mechanical vibration. The surface of the photocurable resin casting model 1 is worn early, and the dimensional accuracy of the cast product is reduced, and the photocurable resin casting model 1 is damaged early. . (2) Due to expansion of the photocurable resin casting model 1 itself due to moisture absorption, the model size changes with time, and in this case also, the dimensional accuracy of the cast product decreases. In addition, as an actual measurement value, the outer diameter is 200 m when one month has passed after the model was manufactured.
A dimensional change of +1.4 to +1.6 mm occurred with respect to the model size of m. (3) In addition, the mold material 7 is hardened by hand, or liquid or powdered mold release material is applied to the photocurable resin casting model 1 before the mold material 7 is filled in the flask 6 by mechanical vibration. do it,
It was necessary to prevent the mold material 7 from adhering to the casting model 1.
【０００４】本発明は前記の問題点に鑑み提案するもの
であり、その目的とする処は、光硬化性樹脂製鋳造用模
型の耐久性を向上できる。光硬化性樹脂製鋳造用模型の
吸湿による鋳造用模型の経時変化を防止できる。さらに
造型前の光硬化性樹脂製鋳造用模型に対する離型材の塗
布を不要にできる鋳造用模型の製作方法を提供しようと
する点にある。The present invention has been proposed in view of the above problems, and the object thereof is to improve the durability of a photocurable resin casting model. It is possible to prevent the casting model from changing over time due to moisture absorption of the photocurable resin casting model. Further, another object of the present invention is to provide a method for producing a casting model which makes it unnecessary to apply a release material to the photocurable resin casting model before molding.
【０００５】[0005]
【課題を解決するための手段】上記の目的を達成するた
めに、本発明は、光硬化性樹脂にレーザ光線を照射し、
同光硬化性樹脂の硬化反応を利用して製作した光硬化性
樹脂製鋳造用模型の表面にアルミニウム、銅等の金属若
しくは合金を溶射して、金属溶射被膜を形成することを
特徴としている。In order to achieve the above object, the present invention is directed to irradiating a photocurable resin with a laser beam,
It is characterized in that a metal or an alloy such as aluminum or copper is sprayed on the surface of a casting model made of a photocurable resin produced by utilizing the curing reaction of the photocurable resin to form a metal spray coating.
【０００６】[0006]
【作用】本発明の鋳造用模型の製作方法は前記のように
光硬化性樹脂にレーザ光線を照射し、同光硬化性樹脂の
硬化反応を利用して製作した光硬化性樹脂製鋳造用模型
の表面に、アルミニウム、銅等の金属若しくは合金を溶
射して、金属溶射被膜を形成する。According to the method for producing a casting model of the present invention, the casting model made of a photocurable resin is produced by irradiating the photocurable resin with a laser beam and utilizing the curing reaction of the photocurable resin as described above. A metal or alloy such as aluminum or copper is thermally sprayed on the surface of to form a metal spray coating.
【０００７】[0007]
【実施例】次に本発明の鋳造用模型の製作方法を図１〜
図６により説明すると、図１の１が光硬化性樹脂にレー
ザ光線を照射し、同光硬化性樹脂の硬化反応を利用して
製作した光硬化性樹脂製鋳造用模型、２が溶射装置、４
がアルミニウム粉末で、溶射装置２から光硬化性樹脂製
鋳造用模型１へジェット噴流３を噴射し、このジェット
噴流３中へアルミニウム粉末４を供給して、光硬化性樹
脂製鋳造用模型１の表面にアルミニウム（金属）溶射被
膜５を形成する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a method for manufacturing a casting model according to the present invention will be described with reference to FIGS.
Referring to FIG. 6, 1 in FIG. 1 is a photocurable resin casting model produced by irradiating a photocurable resin with a laser beam and utilizing the curing reaction of the photocurable resin, 2 is a thermal spraying device, Four
Is an aluminum powder, and a jet jet 3 is jetted from the thermal spraying device 2 to the photocurable resin casting model 1, and the aluminum powder 4 is supplied into the jet jet 3 to make the photocurable resin casting model 1 An aluminum (metal) sprayed coating 5 is formed on the surface.
【０００８】図２、図３は、溶射後の光硬化性樹脂製鋳
造用模型１の状態を示しており、光硬化性樹脂製鋳造用
模型１の表面にアルミニウム溶射被膜５が形成される。
この場合、溶射材料として低融点金属である純アルミニ
ウム粉末（粒度: ３０〜１０５μ）を用い、アルゴンガ
ス流量６０〜７０ｌ／分の条件でプラズマ溶射して、光
硬化性樹脂製鋳造用模型１の表面に均一な厚さ（０．２
ｍｍ）のアルミニウム溶射被膜５を形成しており、光硬
化性樹脂製鋳造用模型の吸湿による鋳造用模型の経時変
化が防止される。第７図は、図２、図３のものと従来の
ものとの経時変化を比較した場合を示している。2 and 3 show the state of the photocurable resin casting model 1 after thermal spraying, and the aluminum sprayed coating 5 is formed on the surface of the photocurable resin casting model 1.
In this case, pure aluminum powder (particle size: 30 to 105 μm), which is a low melting point metal, is used as the thermal spray material, plasma sprayed under the conditions of an argon gas flow rate of 60 to 70 l / min, and the photocurable resin casting model 1 of Uniform thickness (0.2
mm) of the aluminum sprayed coating 5 is formed, so that the temporal change of the casting model due to moisture absorption of the photocurable resin casting model is prevented. FIG. 7 shows the case where the changes over time of the ones of FIGS. 2 and 3 and the conventional one are compared.
【０００９】図４、図５は、耐久性を比較テストするた
めの鋳造用模型の例を示している。１が光硬化性樹脂製
鋳造用模型、５がアルミニウム溶射被膜である。この光
硬化性樹脂製鋳造用模型１は、光硬化性樹脂の使用量を
低減し、また製作時間を短縮するために、ハニカム構造
になっている。この光硬化性樹脂製鋳造用模型１を使用
して比較テストを実施した結果、従来のものが５０回で
破損したのに対して本発明より製作したものは２倍以上
の耐久性が得られた。FIGS. 4 and 5 show examples of casting models for comparative durability tests. Reference numeral 1 is a photocurable resin casting model, and 5 is an aluminum sprayed coating. The photocurable resin casting model 1 has a honeycomb structure in order to reduce the amount of the photocurable resin used and shorten the manufacturing time. As a result of carrying out a comparative test using this light-curable resin casting model 1, the conventional model was broken 50 times, whereas the model manufactured according to the present invention was more than twice as durable. It was
【００１０】図６は、同光硬化性樹脂製鋳造用模型１を
使用した鋳型製作時の状態を示しており、５が光硬化性
樹脂製鋳造用模型１の表面に形成した金属溶射被膜、６
が鋳枠、７が鋳型材である。FIG. 6 shows a state in which a mold is produced using the same photocurable resin casting model 1, and 5 is a metal sprayed coating formed on the surface of the photocurable resin casting model 1, 6
Is a flask, and 7 is a mold material.
【００１１】[0011]
【発明の効果】本発明の鋳造用模型の製作方法は前記の
ように光硬化性樹脂にレーザ光線を照射し、同光硬化性
樹脂の硬化反応を利用して製作した光硬化性樹脂製鋳造
用模型の表面に、アルミニウム、銅等の金属若しくは合
金を溶射して、金属溶射被膜を形成するので、光硬化性
樹脂製鋳造用模型の耐久性を向上できる。As described above, according to the method for producing a casting model of the present invention, the photocurable resin is cast by irradiating the photocurable resin with a laser beam and utilizing the curing reaction of the photocurable resin. The metal or alloy such as aluminum or copper is sprayed on the surface of the working model to form the metal spray coating, so that the durability of the photocurable resin casting model can be improved.
【００１２】また上記のように光硬化性樹脂製鋳造用模
型の表面に、アルミニウム、銅等の金属若しくは合金を
溶射して、金属溶射被膜を形成するので、光硬化性樹脂
製鋳造用模型の吸湿による鋳造用模型の経時変化を防止
できる。また上記のように光硬化性樹脂製鋳造用模型の
表面に、アルミニウム、銅等の金属若しくは合金を溶射
して、金属溶射被膜を形成するので、造型前の光硬化性
樹脂製鋳造用模型に対する離型材の塗布を不要にでき
る。Further, as described above, the metal or alloy such as aluminum or copper is sprayed on the surface of the photocurable resin casting model to form a metal spray coating, so that the photocurable resin casting model It is possible to prevent the casting model from changing over time due to moisture absorption. Further, as described above, the surface of the photocurable resin casting model is sprayed with a metal or an alloy such as aluminum or copper to form a metal sprayed coating, so that the photocurable resin casting model before molding is used. It is not necessary to apply a release material.
【図１】本発明の鋳造用模型の製作方法の一実施例を示
す作用説明図である。FIG. 1 is an operation explanatory view showing an embodiment of a method for producing a casting model according to the present invention.
【図２】同鋳造用模型の製作方法により製作された光硬
化性樹脂製鋳造用模型の一例を示す縦断側面図である。FIG. 2 is a vertical cross-sectional side view showing an example of a photo-curable resin casting model manufactured by the same casting model manufacturing method.
【図３】同光硬化性樹脂製鋳造用模型の斜視図である。FIG. 3 is a perspective view of the photocurable resin casting model.
【図４】同光硬化性樹脂製鋳造用模型の他の例を示す縦
断側面図である。FIG. 4 is a vertical sectional side view showing another example of the photocurable resin casting model.
【図５】同光硬化性樹脂製鋳造用模型の斜視図である。FIG. 5 is a perspective view of the photocurable resin casting model.
【図６】図２、図３に示す光硬化性樹脂製鋳造用模型を
使用した鋳型製作時の縦断側面図である。FIG. 6 is a vertical cross-sectional side view during mold making using the photo-curable resin casting model shown in FIGS. 2 and 3.
【図７】図２、図３に示す光硬化性樹脂製鋳造用模型と
従来の光硬化性樹脂製鋳造用模型との経時変化を比較し
た説明図である。FIG. 7 is an explanatory diagram comparing changes over time between the photocurable resin casting model shown in FIGS. 2 and 3 and a conventional photocurable resin casting model.
【図８】従来の鋳造用模型を使用した鋳型製作時の縦断
側面図である。FIG. 8 is a vertical cross-sectional side view when a mold is manufactured using a conventional casting model.
１ 光硬化性樹脂製鋳造用模型 ２ 溶射装置 ３ ジェット噴流 ４ アルミニウム粉末 ５ 金属溶射被膜 1 Casting model made of photo-curable resin 2 Spraying device 3 Jet jet 4 Aluminum powder 5 Metal spray coating
Claims (1)
光硬化性樹脂の硬化反応を利用して製作した光硬化性樹
脂製鋳造用模型の表面に、アルミニウム、銅等の金属若
しくは合金を溶射して、金属溶射被膜を形成することを
特徴とした鋳造用模型の製作方法。1. A metal or alloy such as aluminum or copper on the surface of a photocurable resin casting model produced by irradiating a photocurable resin with a laser beam and utilizing the curing reaction of the photocurable resin. A method for producing a casting model, which comprises spraying a metal to form a metal spray coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05063845A JP3105690B2 (en) | 1993-03-23 | 1993-03-23 | How to make a casting model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05063845A JP3105690B2 (en) | 1993-03-23 | 1993-03-23 | How to make a casting model |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06269897A true JPH06269897A (en) | 1994-09-27 |
| JP3105690B2 JP3105690B2 (en) | 2000-11-06 |
Family
ID=13241083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP05063845A Expired - Fee Related JP3105690B2 (en) | 1993-03-23 | 1993-03-23 | How to make a casting model |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3105690B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001004373A1 (en) * | 1999-07-09 | 2001-01-18 | Taiho Kogyo Co., Ltd. | Sprayed copper-aluminum composite material and method for producing the same |
| CN106399897A (en) * | 2016-09-22 | 2017-02-15 | 常州大学 | Method and device for preparing amorphous aluminum coating by means of laser thermal spraying |
-
1993
- 1993-03-23 JP JP05063845A patent/JP3105690B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001004373A1 (en) * | 1999-07-09 | 2001-01-18 | Taiho Kogyo Co., Ltd. | Sprayed copper-aluminum composite material and method for producing the same |
| CN1316054C (en) * | 1999-07-09 | 2007-05-16 | 大丰工业株式会社 | Sputtered copper-aluminum composite material and manufacturing method thereof |
| CN106399897A (en) * | 2016-09-22 | 2017-02-15 | 常州大学 | Method and device for preparing amorphous aluminum coating by means of laser thermal spraying |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3105690B2 (en) | 2000-11-06 |
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|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20000725 |
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| LAPS | Cancellation because of no payment of annual fees |