JPH04351245A - Manufacture of pattern for casting - Google Patents
Manufacture of pattern for castingInfo
- Publication number
- JPH04351245A JPH04351245A JP3120321A JP12032191A JPH04351245A JP H04351245 A JPH04351245 A JP H04351245A JP 3120321 A JP3120321 A JP 3120321A JP 12032191 A JP12032191 A JP 12032191A JP H04351245 A JPH04351245 A JP H04351245A
- Authority
- JP
- Japan
- Prior art keywords
- model
- data
- contour line
- pattern
- manufacturing
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 238000005266 casting Methods 0.000 title claims abstract description 21
- 239000011347 resin Substances 0.000 claims abstract description 24
- 229920005989 resin Polymers 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000011960 computer-aided design Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- 229910052804 chromium Inorganic materials 0.000 claims 1
- 239000011651 chromium Substances 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 abstract 3
- 239000000463 material Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000004033 plastic Substances 0.000 description 8
- 239000002023 wood Substances 0.000 description 6
- 229920006328 Styrofoam Polymers 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000008261 styrofoam Substances 0.000 description 4
- 238000007747 plating Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004794 expanded polystyrene Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/49—Nc machine tool, till multiple
- G05B2219/49013—Deposit layers, cured by scanning laser, stereo lithography SLA, prototyping
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Laser Beam Processing (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
Description
【0001】0001
【産業上の利用分野】本発明は、3次元CAD(コンピ
ュータエイデッドデザイン)システムによりコントロー
ルされた光硬化性樹脂を用いた鋳造用模型の製作方法に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a casting model using a photocurable resin controlled by a three-dimensional CAD (computer aided design) system.
【0002】0002
【従来の技術】従来の鋳造用模型は、木材、発泡スチロ
ール、プラスチック、または金属などで製作されている
。木材(木型)や発泡スチロールの場合、材料の切り出
し、加工、組立などにかなりの熟練、技術が必要とされ
る。プラスチックの場合、プラスチック材を必要形状に
流し込み、成型するための雌型が必要であり、この雌型
を作るための模型(木型など)を必要とし、かなりの技
術と手間がかゝる作業である。また、金属(金型)の場
合、大部分は、金型粗材を作るための木型製作鋳造、加
工の各段階を経て製作されるもので、これもかなりの技
術や時間を要するものである。2. Description of the Related Art Conventional casting models are made of wood, styrofoam, plastic, metal, or the like. In the case of wood (wooden molds) and Styrofoam, considerable skill and technology are required for cutting, processing, and assembling the materials. In the case of plastic, a female mold is required to pour and mold the plastic material into the required shape, and a model (such as a wooden mold) is required to make this female mold, which requires considerable skill and effort. It is. In addition, in the case of metals (molds), most of them are manufactured through the various stages of wood mold production, casting, and processing to make the raw material for the mold, which also requires considerable skill and time. be.
【0003】何れにしても、模型製作にあたっては、読
図を含めてかなりの熟練や技術を要し、この技術習得の
ためには、数年にわたる経験が必要とされ、近年この種
技術者の人材不足が問題となってきている。図5は木材
または発泡スチロールによる模型製作工程図であり、1
は模型、2は材料取り、3は切り出し加工のものである
。[0003] In any case, model making requires considerable skill and skill, including diagram reading, and several years of experience are required to acquire this skill. The shortage is becoming a problem. Figure 5 is a diagram of the model production process using wood or styrofoam.
2 is the model, 2 is the material, and 3 is the cutout.
【0004】図6はプラスチック材による模型製作工程
図であり、1は模型、4は雌型成型用模型、5は雌型、
6は雌型に充填されたプラスチック材を断面図で示す。
図7は金属で作る所謂金型の製作工程図であり、7は金
型用粗材を鋳造するため、当該金属の収縮代だけ大きく
した模型を示し、8は鋳造状態の断面図であり、9はそ
の加工状態、1が模型である。[0004] FIG. 6 is a process diagram for manufacturing a model using plastic materials, in which 1 is a model, 4 is a female molding model, 5 is a female mold,
6 shows a cross-sectional view of the plastic material filled into the female mold. FIG. 7 is a manufacturing process diagram of a so-called metal mold made of metal, 7 shows a model made larger by the shrinkage allowance of the metal in order to cast a rough material for the mold, 8 is a cross-sectional view of the casting state, 9 is the processing state, and 1 is the model.
【0005】[0005]
【発明が解決しようとする課題】従来の鋳造用模型の製
作に関しては、材料が木材、発泡スチロール、プラスチ
ック、または金属であっても、その製作、加工技術は豊
富な技能、熟練を必要とし、この種技術者の減少から、
模型メーカー及び模型工の不足が年々深刻化してきてい
る。[Problems to be Solved by the Invention] Regarding the production of conventional casting models, whether the material is wood, styrofoam, plastic, or metal, the production and processing techniques require a wealth of skill and skill. Due to the decrease in the number of seed engineers,
The shortage of model makers and model workers is becoming more and more serious year by year.
【0006】また、熟練模型工による手作業が主体であ
るため、模型の製作期間が長いなどの問題点がある。本
発明は、熟練模型工を必要とせず、且つ模型製作期間が
短く、更に模型製作の自動化、無人化が可能な鋳造用模
型の製作方法を提案することを目的とするものである。[0006] Furthermore, since the process is mainly done manually by skilled model makers, there are problems such as a long period of time for model production. SUMMARY OF THE INVENTION An object of the present invention is to propose a method for manufacturing a casting model that does not require a skilled model craftsman, has a short model manufacturing period, and can be automated and unmanned.
【0007】[0007]
【課題を解決するための手段】必要な模型形状を3次元
CADシステムでモデル化し、液状の光硬化性樹脂にレ
ーザー光線を照射して、モデルを薄くスライスした等高
線形状を順次硬化、積層させて立体模型を製作する。[Means for solving the problem] The required model shape is modeled using a three-dimensional CAD system, and the contour line shapes obtained by slicing the model into thin slices are sequentially cured by irradiating a liquid photocurable resin with a laser beam, and then layered to form a three-dimensional model. Make a model.
【0008】[0008]
【作用】3次元CADに必要な模型形状を入力し、必要
なデータを抽出する。このデータを水平にスライスして
等高線データを作り、NCデータとして製造装置に指示
する。液状の光硬化性樹脂の浴槽をもった製造装置内で
レーザー光線を照射し、スライスされた等高線形状を硬
化させ、順次積層して鋳造用立体模型を製作する。[Operation] Input the required model shape into 3D CAD and extract the necessary data. This data is sliced horizontally to create contour line data, which is then instructed to the manufacturing equipment as NC data. The sliced contour shapes are cured by irradiation with a laser beam in a manufacturing device equipped with a bath of liquid photocurable resin, and then layered one after another to produce a three-dimensional model for casting.
【0009】また、こうして出来た樹脂型模型に必要で
あれば表面にメッキ処理を施し、より耐久性のある模型
を製作する。尚、樹脂型模型を製作する際に硬化樹脂材
料節減及び効率良く製作するためにハニカム構造とし、
より強度が必要なものにはバックアップ材として砂、プ
ラスチック、金属などを充填する。或いは、複数の分割
模型にする。[0009] Furthermore, if necessary, the surface of the resin model thus produced is subjected to plating treatment to produce a more durable model. In addition, in order to save on hardened resin materials and manufacture efficiently when manufacturing resin models, we have adopted a honeycomb structure.
For items that require more strength, fill them with sand, plastic, metal, etc. as backup material. Alternatively, create multiple divided models.
【0010】0010
【実施例】図1に於いて、1は鋳造用の模型である。1
0は3次元CADシステム、11は製造コントローラー
、12は液状の光硬化性樹脂13aは光硬化性樹脂12
の液槽、13bは昇降可能な架台、14はレーザー光線
である。3次元CADシステム10に必要な模型形状を
入力し、必要データを抽出する。DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, reference numeral 1 indicates a casting model. 1
0 is a three-dimensional CAD system, 11 is a manufacturing controller, 12 is a liquid photocurable resin 13a is a photocurable resin 12
, a liquid tank 13b, a frame that can be raised and lowered, and 14 a laser beam. A necessary model shape is input into the three-dimensional CAD system 10, and necessary data is extracted.
【0011】製造コントローラー11で水平にスライス
した等高線データを作り、NCデータとして製造装置に
指示する。光硬化性樹脂12を貯溜した液槽13a内に
セットされた架台13b上で所定の厚さにかぶった光硬
化性樹脂12にレーザー光線14を照射して、等高線形
状に従って硬化させる。この作業を繰り返し、積層させ
鋳造用模型1を製作する。図2は鋳造用模型1の表面に
メッキ処理15を施したものである。図3は模型製作の
効率化を計るため、模型を同一光硬化性樹脂液槽内で分
割製作した例である。16はレバー本体模型であり、1
7は湯道模型、18は取付定盤であり、夫々製作後同一
定盤内に取り付ける。図4は鋳造用押湯模型19の光硬
化性樹脂材節減と製作効率を向上させるため、ハニカム
構造とし、強度をもたせるためにバックアップ材20を
充填したものである。[0011] The manufacturing controller 11 creates horizontally sliced contour line data and instructs the manufacturing equipment as NC data. The photocurable resin 12 covered with a predetermined thickness on a stand 13b set in a liquid tank 13a storing the photocurable resin 12 is irradiated with a laser beam 14 to be cured according to the contour shape. This operation is repeated and layered to produce the casting model 1. FIG. 2 shows a casting model 1 whose surface has been subjected to plating treatment 15. FIG. 3 shows an example in which a model is manufactured separately in the same photocurable resin liquid bath in order to improve the efficiency of model manufacturing. 16 is a lever body model; 1
7 is a runner model, and 18 is a mounting surface plate, each of which is installed in the same fixed plate after being manufactured. FIG. 4 shows a casting feeder model 19 that has a honeycomb structure in order to reduce photocurable resin material and improve production efficiency, and is filled with a backup material 20 to provide strength.
【0012】0012
【発明の効果】本発明による鋳造用模型の製作方法は、
3次元コンピュータエイデッドデザイン(CAD)によ
り模型形状のデータを作成し、このデータを水平にスラ
イスして等高線データを作り、前記等高線データに基づ
き液状の光硬化性樹脂にレーザー光線を照射して同樹脂
をスライスされた等高線形状に順次硬化させ、硬化した
樹脂層を順次積層して鋳造用立体模型を製作することに
より、次の効果を有する。
1.熟練模型工不足が解消される。
2.従来の熟練技能による手作業に代わり、模型製作の
連続自動無人操業が可能であり、短納期対応も可能とな
る。
3.多数個模型の同時転写による量産が可能である。
4.表面に金属メッキが可能なことから耐久性に優れた
模型が容易にできる。
5.鋳造工場のイメージアップにつながる。
6.模型製作費の低減も可能である。[Effects of the Invention] The method for manufacturing a casting model according to the present invention is as follows:
Data on the model shape is created using three-dimensional computer aided design (CAD), this data is sliced horizontally to create contour line data, and based on the contour line data, liquid photocurable resin is irradiated with a laser beam to create the same resin. By sequentially curing the resin into a sliced contour line shape and sequentially stacking the cured resin layers to produce a three-dimensional casting model, the following effects can be obtained. 1. The shortage of skilled model workers will be resolved. 2. Instead of the traditional manual work done by skilled workers, continuous automatic and unmanned model production is possible, and short delivery times are also possible. 3. Mass production is possible by simultaneous transfer of multiple models. 4. Since the surface can be plated with metal, it is easy to create highly durable models. 5. This will improve the image of the foundry. 6. It is also possible to reduce model production costs.
【図1】本発明による鋳造用模型の製作方法の工程図で
ある。FIG. 1 is a process diagram of a method for manufacturing a casting model according to the present invention.
【図2】図1で製作した模型に表面メッキ処理を施した
模型の断面図である。FIG. 2 is a cross-sectional view of the model manufactured in FIG. 1, which has been subjected to surface plating treatment.
【図3】本発明により模型の分割製作を行う状態を示す
図である。FIG. 3 is a diagram showing a state in which a model is manufactured in sections according to the present invention.
【図4】本発明により製作されるハニカム構造をした押
湯模型の断面図である。FIG. 4 is a sectional view of a feeder model having a honeycomb structure manufactured according to the present invention.
【図5】従来の木材及び発泡スチロールを材料とした模
型製作工程図である。FIG. 5 is a diagram of a conventional model manufacturing process using wood and expanded polystyrene as materials.
【図6】従来のプラスチックを材料とした模型製作工程
図である。FIG. 6 is a diagram of a conventional model manufacturing process using plastic as a material.
【図7】従来の金属を材料とした模型製作工程図である
。FIG. 7 is a diagram of a conventional model manufacturing process using metal as a material.
1 鋳造用模型 10 3次元CADシステム 11 製造コントローラー 12 光硬化性樹脂 13a 液槽 13b 昇降可能な架台 14 レーザー光線 1 Casting model 10 3D CAD system 11 Manufacturing controller 12 Photo-curable resin 13a Liquid tank 13b Mount that can be raised and lowered 14 Laser beam
Claims (2)
ンにより模型形状のデータを作成し、このデータを水平
にスライスして等高線データを作り、前記等高線データ
に基づき液状の光硬化性樹脂にレーザー光線を照射して
同樹脂をスライスされた等高線形状に順次硬化させ、硬
化した樹脂層を順次積層して鋳造用立体模型を製作する
ことを特徴とする鋳造用模型の製作方法。[Claim 1] Create model shape data by three-dimensional computer-aided design, slice this data horizontally to create contour line data, and irradiate a liquid photocurable resin with a laser beam based on the contour line data. A method for producing a casting model, which comprises sequentially curing the same resin into a sliced contour line shape and sequentially stacking the cured resin layers to produce a three-dimensional casting model.
た鋳造用立体模型の表面に、硬質クロムやニッケルなど
のメッキ処理を施行する請求項1記載の鋳造用模型の製
作方法。2. The method for manufacturing a casting model according to claim 1, wherein the surface of the three-dimensional casting model made by sequentially laminating hardened resin layers is plated with hard chromium, nickel, or the like.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3120321A JPH04351245A (en) | 1991-05-24 | 1991-05-24 | Manufacture of pattern for casting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3120321A JPH04351245A (en) | 1991-05-24 | 1991-05-24 | Manufacture of pattern for casting |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH04351245A true JPH04351245A (en) | 1992-12-07 |
Family
ID=14783362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3120321A Pending JPH04351245A (en) | 1991-05-24 | 1991-05-24 | Manufacture of pattern for casting |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH04351245A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07182541A (en) * | 1993-12-21 | 1995-07-21 | Nec Corp | Preparing method for three-dimensional model |
-
1991
- 1991-05-24 JP JP3120321A patent/JPH04351245A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07182541A (en) * | 1993-12-21 | 1995-07-21 | Nec Corp | Preparing method for three-dimensional model |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 19981215 |