JPH02192846A - Manufacture of both male and female metallic molds - Google Patents
Manufacture of both male and female metallic moldsInfo
- Publication number
- JPH02192846A JPH02192846A JP1013441A JP1344189A JPH02192846A JP H02192846 A JPH02192846 A JP H02192846A JP 1013441 A JP1013441 A JP 1013441A JP 1344189 A JP1344189 A JP 1344189A JP H02192846 A JPH02192846 A JP H02192846A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- molds
- male
- female
- vacuum
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000005266 casting Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000002699 waste material Substances 0.000 claims description 21
- 238000000465 moulding Methods 0.000 abstract description 6
- 239000008187 granular material Substances 0.000 description 14
- 229920005989 resin Polymers 0.000 description 12
- 239000011347 resin Substances 0.000 description 12
- 238000004891 communication Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- WCZWUYYJZVBKDZ-FGSXEWAUSA-N Vertine Natural products O([C@@H]1C[C@H](N2CCCC[C@@H]2C1)C=1C=C(C(=CC=11)OC)OC)C(=O)C=CC2=CC=C(O)C1=C2 WCZWUYYJZVBKDZ-FGSXEWAUSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、ゴム、合成樹脂、等の射出成形品、あるいは
、プレス成形品等を得るための雌雄一対の金型を製造す
る方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for manufacturing a pair of male and female molds for obtaining injection molded products of rubber, synthetic resin, etc., or press molded products.
（従来技術と問題点）
従来上記のような金型を製作するには、固形の金属材料
（金属塊）を総加工して製作することが多いが複雑な形
状を有する金型を製作する場合はＮＣ加工等では細部が
現出できず放電加工のような精密加工法が採用されてお
り、製作に時間が掛かると共に製作コストも高くなると
いう問題があった。また精密鋳造法により金型を製造す
ることも若干行われているが雌雄一対の金型は、それぞ
れ別々に造型された鋳型により鋳造されるようになって
いると共にその鋳型の造型は石膏型等を使用した極めて
複雑な工程を経て得られるものであり、製作に時間と熟
練を要するという問題があった。(Prior art and problems) Conventionally, molds such as those mentioned above are often manufactured by fully processing solid metal materials (metal ingots), but when manufacturing molds with complex shapes, Since fine details cannot be revealed by NC machining or the like, precision machining methods such as electrical discharge machining are used, which poses problems in that manufacturing takes time and increases manufacturing costs. In addition, some molds are manufactured using the precision casting method, but the male and female molds are cast using separate molds, and the molds are made using plaster molds, etc. It is obtained through an extremely complicated process using
（目 的）
本発明は上記の問題に鑑みて成されたもので雌雄一対の
金型を短時間のうちに簡単に製造する方法を提供するこ
とを目的とするものである。(Objective) The present invention was made in view of the above problems, and an object of the present invention is to provide a method for easily manufacturing a pair of male and female molds in a short time.
（問題を解決するための手段）
本発明は、成形製品と同一形状の製品模型を使用して、
捨型となる減圧鋳型を造型し、該捨型となる減圧鋳型の
上部に雄捨型となる減圧鋳型を造型し、該捨型から雄捨
型を分離しそのキャビティ部に、前記製品模型をセット
した状態にし、その上部に雌捨型となる減圧鋳型を造型
し、造型された雌雄両捨型を分離してそれぞれ取り出す
と共に雌雄両捨型の上部に雄型あるいは雌型となる減圧
鋳型を造型し、該雌雄両捨型から雄型及び雌型を分離し
、該雄型及び雌型の上部に鋳造枠をセットして金属溶湯
を注入することを特徴とするものである。(Means for solving the problem) The present invention uses a product model having the same shape as the molded product,
A vacuum mold to be used as a waste mold is molded, a vacuum mold to be used as a male waste mold is molded on top of the vacuum mold to be used as a waste mold, and the male waste mold is separated from the waste mold, and the product model is placed in the cavity part of the male waste mold. A vacuum mold that will become a female mold is molded on top of the set state, and the male and female molds are separated and taken out, and a vacuum mold that will be a male mold or a female mold is placed on top of the male and female molds. The method is characterized in that a mold is formed, a male mold and a female mold are separated from the female and male molds, a casting frame is set above the male mold and the female mold, and molten metal is poured into the mold.
（作 用）
本発明は上記のような手段を採用することにより雌雄一
対の金型を短時間のうちに簡単かつ低コストで製作でき
るようになる。(Function) By employing the above-mentioned means, the present invention enables a pair of male and female molds to be manufactured easily and at low cost within a short time.
（実施例）
以下本発明の実施例を図示例に基づいて説明する。第１
図には製造すべき雄金型（１）と雌金型（２）が示され
ており、この両金型（１）（２）を製造するに当って第
２図に示す製品模型（３）を製作準備する。(Example) Examples of the present invention will be described below based on illustrated examples. 1st
The figure shows a male mold (1) and a female mold (2) to be manufactured, and when manufacturing both molds (1) and (2), the product model (3) shown in Figure 2 is shown. ) is prepared for production.
すなわち製品模型（３）は、前記雌雄両全型（１）（２
）により成形される製品と同一形状を成した木型により
製作され、この製品模型（３）には上下に貫通して０．
３ｍｍφ程度の貫通孔（４）が適当な間隔をおいて多数
穿設しである。In other words, the product model (3) includes the male and female models (1) and (2).
) is manufactured using a wooden mold that has the same shape as the product to be molded, and this product model (3) has 0.
A large number of through holes (4) each having a diameter of about 3 mm are bored at appropriate intervals.
次に上記製品模型（３）を使用して捨型となる減圧鋳型
（Ａ）を造型する。Next, the product model (3) is used to mold a vacuum mold (A) that will serve as a waste mold.
すなわち、内部に抜気管（５Ａ）を備えた捨型用鋳枠（
６Ａ）を定盤（７Ａ）上にシール（８Ａ）を介して載置
すると共に該鋳枠（６Ａ）内に砂等の粒状物（９Ａ）を
投入して振動を加え充填した後、前記製品模型（３）を
粒状物（９Ａ）に押し込みかつ製品模型（３）周辺の粒
状物（９Ａ）を手作業により充填する。次に前記抜気管
（５Ａ）を作用させて該鋳枠（６Ａ）内に吸引作用をは
たらかせた状態にして粒状物（９Ａ）を引き締めると共
に製品模型（３）の周辺を見切面に形成した後、該鋳枠
（６Ａ）粒状物（９Ａ）並びに製品模型（３）で形成す
る上面に、加熱されて伸展性を与えられた樹脂フィルム
（ＩＯＡ）を添装する。In other words, a waste casting flask (
6A) is placed on a surface plate (7A) via a seal (8A), and granular materials (9A) such as sand are introduced into the flask (6A) and filled with vibration. The model (3) is pushed into the granules (9A), and the granules (9A) around the product model (3) are manually filled. Next, the air vent pipe (5A) is activated to create a suction effect in the flask (6A) to tighten the granules (9A) and form the periphery of the product model (3) on the cut-off surface. A resin film (IOA) which has been heated and given extensibility is attached to the upper surface formed by the flask (6A), the granules (9A), and the product model (3).
これにより樹脂フィルム（ＩＯＡ）は粒状物（９Ａ）の
隙間及び製品模型（３）の貫通孔（４）を介して吸引さ
れ、伸展密着状態となって第３図のような減圧鋳型（Ａ
）が造型される。As a result, the resin film (IOA) is sucked through the gaps between the granules (9A) and the through holes (4) of the product model (3), and is brought into an extended and close contact state as shown in Figure 3.
) is molded.
次に第４図のように捨型となる減圧鋳型（Ａ）の上部に
、雄捨型となる減圧鋳型（Ｂ）を造型する。Next, as shown in FIG. 4, a vacuum mold (B) that will become a male waste mold is molded on top of the vacuum mold (A) that will become a waste mold.
すなわち、内部に抜気管（５Ｂ）を備えた雄捨型用鋳枠
（６Ｂ）を、前記減圧鋳型（Ａ）の鋳枠（６Ａ）上部に
載置すると共に該鋳枠（６Ｂ）内に粒状物（９Ｂ）を投
入して振動を与えて充填した後、該鋳枠（６Ｂ）及び粒
状物（９Ｂ）の上部にシール（８Ｂ）を添装し、抜気管
（５Ｂ）を作用させて該鋳枠（６Ｂ）内に吸引作用をは
たらかせてシール（８Ｂ）を粒状物（９Ｂ）上面に密着
させて、第４図のように減圧鋳型（Ａ）の上部に減圧鋳
型（Ｂ）を造型する。That is, a male waste mold casting flask (6B) equipped with an air vent pipe (5B) inside is placed on top of the flask (6A) of the vacuum mold (A), and granules are placed in the flask (6B). After filling the material (9B) with vibration, a seal (8B) is attached to the upper part of the flask (6B) and the granular material (9B), and a vent pipe (5B) is activated to remove the material. Apply suction in the flask (6B) to bring the seal (8B) into close contact with the top surface of the granules (9B), and mold a vacuum mold (B) on top of the vacuum mold (A) as shown in Figure 4. .
次に捨型用鋳枠（６Ａ）の抜気管（５Ａ）を大気に連通
切替えした後、減圧鋳型（Ｂ）を減圧鋳型（Ａ）から分
離すると共に１８０度反転して定盤（７Ｂ）上に載置す
る。Next, after switching the vent pipe (5A) of the waste mold flask (6A) to the atmosphere, separate the vacuum mold (B) from the vacuum mold (A), turn it over 180 degrees, and place it on the surface plate (7B). Place it on.
この際減圧鋳型（Ａ）の鋳枠（６Ａ）内は抜気管（５Ａ
）を介して大気に連通されているため樹脂フィルム（Ｉ
ＯＡ）は減圧鋳型（Ｂ）側に吸引密着された状態となる
。At this time, the inside of the flask (6A) of the vacuum mold (A) is equipped with a vent pipe (5A).
), the resin film (I
OA) is brought into close contact with the vacuum mold (B) side by suction.
また、製品模型（３）は形状に応じて減圧鋳型（Ａ）（
Ｂ）のいずれかに保持されることになる。In addition, the product model (3) can be made into a vacuum mold (A) (
B) will be held.
次に製品模型（３）が減圧鋳型（Ａ）側に残った場合に
は、製品模型（３）を取り出して減圧鋳型（Ｂ）のキャ
ビティ部にセットする。Next, if the product model (3) remains on the vacuum mold (A) side, the product model (3) is taken out and set in the cavity of the vacuum mold (B).
この状態で第５図のように、減圧鋳型（Ｂ）の上部に雌
捨型となる減圧鋳型（Ｃ）を造型する。In this state, as shown in FIG. 5, a vacuum mold (C) serving as a female waste mold is molded on the top of the vacuum mold (B).
すなわち、製品模型（３）をセットした減圧鋳型（Ｂ）
に対し、樹脂フィルム（１０Ａ）上面に離形用のバーチ
ン粉を塗布した後、針金等を用いて樹脂フィルム（ＩＯ
Ａ）に直接あるいは製品模型（３）の貫通孔（４）を介
して小孔（１１）を多数穿設する。次に樹脂フィルム（
ＩＯＡ）から製品模型（３）の上面にわたって、加熱さ
れて伸展性を与えられた別の樹脂フィルム（ＩＯＢ）を
添装する。これにより樹脂フィルム（ＩＯＢ）は、樹脂
フィルム（ＩＯＡ）の小孔（１１）並びにこの小孔（１
１）に連通ずる製品模型（３）の貫通孔（４）を介して
吸引され伸展密着される。次に内部に抜気管（５Ｃ）を
備えた雌捨型用鋳枠（６Ｃ）を雄雌型用鋳枠（６Ｂ）の
上部に載置すると共に該鋳枠（６Ｃ）内に粒状物（９Ｃ
）を投入して振動を与えて充填し、該鋳枠（６Ｃ）及び
粒状物（９Ｃ）の上部にシール（８Ｃ）を添装すると共
に抜気管（５Ｃ）を作用させて該鋳枠（６Ｃ）内に吸引
作用をはたらかせてシール（８Ｃ）を粒状物（９Ｃ）上
面に密着させ第５図のように減圧鋳型（Ｂ）の上部に減
圧鋳型（Ｃ）を造型する。In other words, the vacuum mold (B) with the product model (3) set therein.
On the other hand, after applying vertin powder for mold release on the top surface of the resin film (10A), use a wire etc. to attach the resin film (IO
A) A large number of small holes (11) are bored directly or through the through holes (4) of the product model (3). Next, the resin film (
Another resin film (IOB) that has been heated and given extensibility is added over the top surface of the product model (3) from IOA). As a result, the resin film (IOB) is exposed to the small hole (11) of the resin film (IOA) and this small hole (1).
1) through the through hole (4) of the product model (3), which is in communication with the product model (3), and is stretched and brought into close contact with the product model (3). Next, a female waste mold flask (6C) equipped with an air vent pipe (5C) inside is placed on top of the male and female mold flask (6B), and the granules (9C) are placed inside the flask (6C).
) is charged and filled with vibration, a seal (8C) is attached to the upper part of the flask (6C) and the granules (9C), and a vent pipe (5C) is operated to remove the flask (6C). ) to bring the seal (8C) into close contact with the upper surface of the granular material (9C) to form a vacuum mold (C) on the top of the vacuum mold (B) as shown in FIG.
次に雄捨型となる減圧鋳型（Ｂ）と雌捨型となる減圧鋳
型（Ｃ）とを分離するとともに減圧鋳型（Ｃ）を１８０
度反転して定盤（７Ｃ）上に戴置し、かつ製品模型（３
）を両減圧鋳型（Ｂ）（Ｃ）から取り除いて第６図（イ
）（ロ）の状態になる。Next, the vacuum mold (B) that will become the male waste mold and the vacuum mold (C) that will become the female waste mold are separated, and the vacuum mold (C) is
Place the product model (3C) on the surface plate (7C).
) are removed from both the vacuum molds (B) and (C), resulting in the state shown in Figure 6 (a) and (b).
次に、雌雄両捨型となる減圧鋳型（Ｂ）（Ｃ）の上部に
雄型となる減圧鋳型（Ｄ）あるいは雌型となる減圧鋳型
（Ｅ）を第７図（イ）（ロ）のように造型する。Next, place the male mold (D) or the female mold (E) on top of the male and female molds (B) and (C) as shown in Figure 7 (A) and (B). Shape it like this.
すなわち必要に応じて減圧鋳型（Ｂ）（Ｃ）の樹脂フィ
ルム（ＩＯＡ）（ＩＯＢ）の上面に塗型を塗布して乾燥
させた後内部に抜気管（５Ｄ）、（５Ｅ）を備えた雄雌
型用鋳枠（６Ｄ）（６Ｅ）を、減圧鋳型（Ｂ）（Ｃ）の
鋳枠（６Ｂ）（６Ｃ）の上部にそれぞれ載置すると共に
該鋳枠（６Ｄ）（６Ｅ）内に耐熱性粒状物（９Ｄ）（９
Ｅ）を投入して振動を与えて充填し、その後肢鋳枠（６
Ｄ）（６Ｅ）及び粒状物（９Ｄ）（９Ｅ）の上部にシー
ル（８Ｄ）（８Ｅ）をそれぞれ添装し、抜気管（５Ｄ）
（５Ｅ）を作用させて該鋳枠（６Ｄ） （６Ｅ）内に
吸引作用をはたらかせシール（８Ｄ）（８Ｅ）を粒状物
（９Ｄ） （９Ｅ）の上面に密着させて第７図（イ）
（ロ）のように減圧鋳型（Ｂ）（Ｃ）の上部に減圧鋳型
（Ｄ）（Ｅ）を造型する。That is, after applying a coating mold to the upper surface of the resin film (IOA) (IOB) of the vacuum mold (B) (C) as needed and drying it, The female mold flasks (6D) (6E) are placed on top of the flasks (6B) (6C) of the vacuum molds (B) (C), respectively, and a heat-resistant mold is placed inside the flasks (6D) (6E). Particulate matter (9D) (9
E), vibrate to fill, and fill the hindlimb flask (6
D) Attach seals (8D) (8E) to the tops of (6E) and granules (9D) (9E), respectively, and remove the air vent pipe (5D).
(5E) to create a suction action in the flasks (6D) (6E) and bring the seals (8D) (8E) into close contact with the upper surface of the granules (9D) (9E), as shown in Fig. 7 (A).
As shown in (b), vacuum molds (D) and (E) are molded on top of vacuum molds (B) and (C).
次に雌雄両捨型用鋳枠（６Ｂ） （６Ｃ）の抜気管（
５Ｂ） （５Ｃ）を大気に連通切替えした後、減圧鋳
型（Ｄ）（Ｅ）を減圧鋳型（Ｂ）（Ｃ）から分離すると
共に１８０度反転して定盤（７Ｄ）（７Ｅ）上に載置す
る。Next, the air vent pipe (
5B) After switching (5C) to the atmosphere, separate the vacuum molds (D) and (E) from the vacuum molds (B) and (C), turn them 180 degrees, and place them on the surface plates (7D) and (7E). place
この際減圧鋳型（Ｂ）（Ｃ）の鋳枠（６Ｂ） （６Ｃ
）内は抜気管（５Ｂ）（５Ｃ）を介して大気に連通され
ているため樹脂フィルム（ＩＯＡ）（ＩＯＢ）は減圧鋳
型（Ｄ）（Ｅ）側に吸引密着された状態となる。At this time, the flasks (6B) (6C) of the vacuum molds (B) and (C)
) are communicated with the atmosphere through vent pipes (5B) (5C), so the resin films (IOA) (IOB) are brought into close contact with the vacuum molds (D) and (E).
この状態で第８図（イ）（ロ）のように減圧鋳型（Ｄ）
（Ｅ）の鋳枠（６Ｄ） （６Ｅ）の上部に鋳造枠（１
２Ａ）（１２Ｂ）を載置し、雄型となる減圧鋳型（Ｄ）
と鋳造枠（１２Ａ）、および雌型となる減圧鋳型（Ｅ）
と鋳造枠（１２Ｂ）で画成するキャビティに金属溶湯（
１３Ａ）（１３Ｂ）を注入して雌雄一対の金型を鋳造す
るものである。In this state, press the vacuum mold (D) as shown in Figure 8 (a) and (b).
(E) Casting flask (6D) Casting flask (1
2A) (12B) is placed on the vacuum mold (D) to become a male mold.
and a casting frame (12A), and a vacuum mold (E) that will become a female mold.
The molten metal (
13A) (13B) are injected to cast a pair of male and female molds.
これにより第１図のような一対の金型が得られる。As a result, a pair of molds as shown in FIG. 1 are obtained.
（効 果）
本発明は上記の説明から明らかなように製品模型を使っ
て減圧鋳型を重ね合せ造型してゆく方法により、同時に
雌雄一対の鋳型を造型して、これに金属溶湯を注入し、
金型を製造するものであるから短時間のうちに熟練を要
することなく簡単に雌雄一対の金型を製造でき、従来の
金型製造に比べて大巾にコスト低減をすることができる
等の効果がありこの業界に寄与するところは著大である
。(Effects) As is clear from the above description, the present invention uses a method of superimposing vacuum molds using product models to simultaneously mold a pair of male and female molds, injecting molten metal into them, and
Because it manufactures molds, it is possible to easily manufacture male and female molds in a short time without requiring any skill, and it can significantly reduce costs compared to conventional mold manufacturing. It is effective and makes a significant contribution to this industry.
第１図は製造される雌雄一対の金型の断面図、第２図は
製品模型の断面図、第３図は捨型の造型状態を示す断面
図、第４図は雄捨型の造型状態を示す断面図、第５図は
雌捨型の造型状態を示す断面図、第６図（イ）は雄捨型
の断面図、第６図（ロ）は雌捨型の断面図、第７図（イ
）は雄型の造型状態を示す断面図、第７図（ロ）は雌型
の造型状態を示す断面図、第８図（イ）は雄金型の鋳造
状態を示す断面図、第８図（ロ）は雌金型の鋳造状態を
示す断面図である。
（１）：雄金型
（２）：雌金型
（３）：製品模型
（４）二連通孔
（５Ａ）（５Ｂ）（５Ｃ）（５Ｄ）（５Ｅ） ：抜気管
（６Ａ）（６Ｂ）（６Ｃ）（６Ｄ）（６Ｅ）：鋳枠（８
Ａ）（８Ｂ）（８Ｃ）（８Ｄ）（８Ｅ） ：シール（９
Ａ）（９Ｂ）（９Ｃ）（９Ｄ）（９Ｅ） ：粒状物（１
０Ａ）（１０Ｂ）二樹脂フィルム
（１１）：小孔
（１２Ａ）（１２Ｂ） ：鋳造枠
（１３Ａ）（１３Ｂ）：金属溶湯Fig. 1 is a sectional view of a pair of male and female molds to be manufactured, Fig. 2 is a sectional view of the product model, Fig. 3 is a sectional view showing the molding state of the waste mold, and Fig. 4 is the state of the male waste mold. 5 is a sectional view showing the molding state of the female die, FIG. 6 (a) is a sectional view of the male die, FIG. 6 (b) is a sectional view of the female die, and FIG. Figure (A) is a sectional view showing the molding state of the male mold, Figure 7 (B) is a sectional view showing the molding state of the female mold, and Figure 8 (A) is a sectional view showing the casting state of the male mold. FIG. 8(b) is a sectional view showing the casting state of the female mold. (1): Male mold (2): Female mold (3): Product model (4) Two communication holes (5A) (5B) (5C) (5D) (5E): Ventilation pipe (6A) (6B) (6C) (6D) (6E): Casting flask (8
A) (8B) (8C) (8D) (8E): Seal (9
A) (9B) (9C) (9D) (9E): Particulate matter (1
0A) (10B) Two resin films (11): Small holes (12A) (12B): Casting frame (13A) (13B): Molten metal
Claims (1)
型となる減圧鋳型（Ａ）を造型し、該減圧鋳型（Ａ）の
上部に雄捨型となる減圧鋳型（Ｂ）を造型し、該減圧鋳
型（Ａ）から減圧鋳型（Ｂ）を分離すると共に該減圧鋳
型（Ｂ）のキャビティ部に前記製品模型（３）をセット
した状態にし、該減圧鋳型（Ｂ）の上部に雌捨型となる
減圧鋳型（Ｃ）を造型し、該造型された両減圧鋳型（Ｂ
）（Ｃ）を分離してそれぞれ取り出すと共に前記製品模
型（３）を取り除き、該両減圧鋳型（Ｂ）（Ｃ）の上部
に雄型あるいは雌型となる減圧鋳型（Ｄ）（Ｅ）を造型
し、該両減圧鋳型（Ｄ）（Ｅ）を減圧鋳型（Ｂ）（Ｃ）
から分離し、該減圧鋳型（Ｄ）（Ｅ）上部に鋳造枠（１
２Ａ）（１２Ｂ）を載置して金属溶湯（１３Ａ）（１３
Ｂ）を注入することを特徴とする雄雌両金型の製造方法
。A product model (3) having the same shape as the product to be molded is used to create a vacuum mold (A) that will serve as a waste mold, and a vacuum mold (B) that will serve as a male waste mold is molded on top of the vacuum mold (A). Then, the vacuum mold (B) is separated from the vacuum mold (A), and the product model (3) is set in the cavity of the vacuum mold (B). A vacuum mold (C) to be used as a waste mold is molded, and both of the molded vacuum molds (B
) (C) are separated and taken out respectively, and the product model (3) is removed, and vacuum molds (D) and (E) to be male or female molds are formed on top of both vacuum molds (B) and (C). Then, the both vacuum molds (D) and (E) are transformed into vacuum molds (B) and (C).
The casting flask (1
2A) (12B) and place the molten metal (13A) (13
A method for manufacturing both male and female molds, characterized by injecting B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1013441A JP2558517B2 (en) | 1989-01-23 | 1989-01-23 | Male and female mold manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1013441A JP2558517B2 (en) | 1989-01-23 | 1989-01-23 | Male and female mold manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02192846A true JPH02192846A (en) | 1990-07-30 |
| JP2558517B2 JP2558517B2 (en) | 1996-11-27 |
Family
ID=11833219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1013441A Expired - Fee Related JP2558517B2 (en) | 1989-01-23 | 1989-01-23 | Male and female mold manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2558517B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011183442A (en) * | 2010-03-10 | 2011-09-22 | Sintokogio Ltd | Flask for vacuum molding |
| CN110153370A (en) * | 2019-05-31 | 2019-08-23 | 台州巨东精密铸造有限公司 | A kind of resin sand casting technique of lathe foot |
-
1989
- 1989-01-23 JP JP1013441A patent/JP2558517B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011183442A (en) * | 2010-03-10 | 2011-09-22 | Sintokogio Ltd | Flask for vacuum molding |
| CN110153370A (en) * | 2019-05-31 | 2019-08-23 | 台州巨东精密铸造有限公司 | A kind of resin sand casting technique of lathe foot |
| CN110153370B (en) * | 2019-05-31 | 2020-09-08 | 台州巨东精密铸造有限公司 | Resin sand casting process of machine tool foot |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2558517B2 (en) | 1996-11-27 |
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