JPH0218005A - Master and manufacture of retaining mold using same - Google Patents
Master and manufacture of retaining mold using sameInfo
- Publication number
- JPH0218005A JPH0218005A JP16939488A JP16939488A JPH0218005A JP H0218005 A JPH0218005 A JP H0218005A JP 16939488 A JP16939488 A JP 16939488A JP 16939488 A JP16939488 A JP 16939488A JP H0218005 A JPH0218005 A JP H0218005A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- master
- mold
- shape memory
- gypsum
- 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 description 8
- 230000007704 transition Effects 0.000 claims abstract description 21
- 239000011347 resin Substances 0.000 claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 18
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 11
- 239000010440 gypsum Substances 0.000 claims abstract description 11
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 239000011159 matrix material Substances 0.000 claims description 17
- 238000009415 formwork Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 5
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 230000037230 mobility Effects 0.000 abstract 1
- 229920001195 polyisoprene Polymers 0.000 abstract 1
- 239000011505 plaster Substances 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
Abstract
Description
【発明の詳細な説明】
の
本発明は、セラミックス製品の成形に使用される型枠の
作製法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing molds used for molding ceramic products.
セラミックス製品は本質的に製品ニーズｈ（多品種少量
化しており、この傾向はニューセラミ゛ソクス製品を中
心として今後益々強まると予想されている。したがって
製造プロセスの早急な対応力（強く求めら・れており、
型枠に関しても材質、作製法、組合せを含めたエンジニ
アリング等種々の問題を抱えている。Ceramic products essentially have product needs h (high variety and low volume), and this trend is expected to become stronger in the future, especially for new ceramic products. It is
Regarding formwork, there are various problems such as materials, manufacturing methods, and engineering including combinations.
（従来の技術）
型枠の作製に関して、これまでにも改良を重ねる努力が
なされてきており、その一つの成果として母型をゴム状
物質で作製することが行なわれている。しかしゴム製母
型は、種々の利点があるものの、寸法精度や再使用でき
ない点等に問題力（残っている。(Prior Art) Efforts have been made to improve the fabrication of molds, and one of the results of these efforts is to fabricate the matrix from a rubber-like material. However, although rubber molds have various advantages, they still have problems with dimensional accuracy and the fact that they cannot be reused.
（発明が解決しようとする課ＩＩ）
本発明は、寸゛法精度の向上した型枠を、効率良く、低
コストで作製する方法を提案するものである。(Problem II to be Solved by the Invention) The present invention proposes a method for manufacturing formwork with improved dimensional accuracy efficiently and at low cost.
（課題を解決するための手段）
本発明者らは、上述した如き現状に鑑み鋭意検討した結
果、母型を、ある一定温度に転移温度を有した形状記憶
樹脂で作製することにより、本発明を完成させたもので
ある。(Means for Solving the Problems) As a result of intensive studies in view of the current situation as described above, the present inventors have developed the present invention by manufacturing a matrix from a shape memory resin having a transition temperature at a certain constant temperature. It has been completed.
本発明によれば、形状記憶樹脂を利用したセラミックス
成形用の型枠は、たとえば・トランスポリイソプレンベ
ースの形状記憶樹脂を用いての石こう型の作製は以下の
ような手順によって行なわれる。According to the present invention, a mold for molding ceramics using a shape memory resin, for example, a plaster mold using a transpolyisoprene-based shape memory resin is produced by the following procedure.
まず加硫配合したコンパウンドを図１の金型等に充填し
予熱、加熱成型して図２の母型を得る。First, the vulcanized compound is filled into the mold shown in FIG. 1, preheated, and heated to form the mold shown in FIG. 2.
この母型（２）は６０℃付近に転移点を有する形状記憶
樹脂よりなっているのでこの温度以下ではプラスチック
状である。続いて図３に示すように、転移点以下の温度
で石こう（３）を流延し、石こうが充分に硬化した後、
温度を母型の転移点以上にあげて母型（２）を抜き取り
、図４の石こう型（４）を得る。抜き取った母型（２）
は形状記憶性を有するため、転移点以上の温度に数分放
置すことにより寸法精度よく復元し、再度母型として使
用でき図２以下の作業を繰り返し実施することができる
。Since this matrix (2) is made of a shape memory resin having a transition point around 60°C, it is plastic-like at temperatures below this temperature. Subsequently, as shown in Figure 3, gypsum (3) is cast at a temperature below the transition point, and after the gypsum has sufficiently hardened,
The temperature is raised above the transition point of the matrix and the matrix (2) is extracted to obtain the plaster mold (4) shown in FIG. The extracted matrix (2)
Since it has a shape memory property, it can be restored with good dimensional accuracy by being left at a temperature above the transition point for several minutes, and can be used again as a matrix and the operations shown in Figure 2 and subsequent steps can be repeated.
本発明においては、種々のタイプの形状記憶樹脂が使用
可能であるが、形状記憶樹脂を本発明で使用する際のメ
リットを考える時、転移温度が５０〜２００°Ｃ好まし
くは５０〜１５０℃であり、転移温度の上下での分子運
動性の差が大きい形状記憶樹脂はど母型再使用時におけ
る復元性が良好で好ましい。Various types of shape memory resins can be used in the present invention, but when considering the merits of using shape memory resins in the present invention, it is important to note that the transition temperature is 50 to 200°C, preferably 50 to 150°C. A shape memory resin with a large difference in molecular mobility above and below the transition temperature is preferable because it has good restorability when reusing the matrix.
この点からたとえばトランスポリイソプレンをベースに
した形状記憶樹脂が好んで用いられろ。また本発明にお
いては上記例の石こう以外の他の型枠材を利用できるこ
とは容易に理解される。From this point of view, shape memory resins based on transpolyisoprene, for example, are preferably used. Further, it is easily understood that in the present invention, other formwork materials other than the above-mentioned plaster can be used.
および の
本発明において使用する、形状記憶樹脂ベースからなる
母型の作用は、以下の型枠作製の作業手順において、特
に（２）、（４）、（５）にある。The functions of the matrix made of a shape memory resin base used in the present invention of and are particularly in (2), (4), and (5) in the following work procedure for producing a mold.
（１）転移温度以上で母型の成形をする。(1) Molding the matrix above the transition temperature.
（２）これを転移温度以下に冷却し、母型を固定する。(2) Cool this to below the transition temperature and fix the mother mold.
（３）たとえば石こうを流延して型を写し取る。(3) For example, cast plaster and copy the mold.
（４）転移温度以上に加熱し、母型を抜取る。(4) Heating above the transition temperature and removing the matrix.
（５）抜取った母型を転移温度以上に加熱放置、復元し
再度母型として使用する。(5) The extracted matrix is heated to a temperature above the transition temperature, restored, and used again as a matrix.
したがってその結果として以下の効果が得られる。Therefore, the following effects can be obtained as a result.
（１）母型を固定した状態で使用できるため、型枠の寸
法精度が良くなる。(1) The dimensional accuracy of the formwork is improved because it can be used with the mother mold fixed.
（２）型取りした後に加熱するだけで母型を簡単に抜取
ることが可能である。(2) It is possible to easily remove the mother mold by simply heating it after making the mold.
（３）抜取った母型は加熱するだけで寸法精度よく復元
するために、母型の再使用が可能である。(3) The extracted mother mold can be reused because it can be restored with good dimensional accuracy simply by heating.
以下実施例を挙げて本発明を説明するが、何らこれに限
定されるものではない。The present invention will be explained below with reference to Examples, but it is not limited thereto in any way.
実施例
下記の加硫配合したトランスポリイソプレンコンパウン
ドを、
トランスポリイソプレン １００部軽質炭酸カ
ルシウム ３０亜鉛華（＃ｔ）
５ステアリン酸
１硫 黄
０．５ジクミルパーオキサイド
３図１の金型に充填し、１００℃で１０分子熱した後
、１４５°Ｃで２５分プレス加硫成型して図２の母型を
得た。これを２５°Ｃに放置して固化させたのち、図３
に示すように石こうを流延して母型を写し取った。Example: The following vulcanized transpolyisoprene compound was prepared: transpolyisoprene 100 parts light calcium carbonate 30 parts zinc white (#t)
5 stearic acid
1 sulfur
0.5 dicumyl peroxide
3 The mold shown in Figure 1 was filled with the mixture, heated at 100°C for 10 molecules, and then press vulcanized at 145°C for 25 minutes to obtain the matrix shown in Figure 2. After leaving this at 25°C to solidify,
As shown in Figure 2, plaster was cast and the matrix was copied.
石こうが充分に乾燥硬化した後、温度を８０ ’Ｃに上
げて母型を抜取り図４の石こう型を得た。このとき母型
は変形し、型から離れて冷却されて固化したが、８０℃
中に５分静置することにより図２の母型サイズにｌＯＯ
％復元した。After the plaster was sufficiently dried and hardened, the temperature was raised to 80'C and the mother mold was extracted to obtain the plaster mold shown in FIG. 4. At this time, the mother mold was deformed, separated from the mold, cooled and solidified, but at 80℃
By leaving it for 5 minutes, the size of the mother mold as shown in Figure 2 is reached.
% restored.
なる母型、図３は枠内に石こうを充填した状態の説明図
、図４は本願発明により得られた型枠である。
・・・・・型 枠
・・・・・母 型
・・・・・石こう
・・・・・石こう型
特許出顆人
株式会社
第
第６図
１．１′ ・・・
２ ・・・
３ ・・・
４ ・・・
型 枠
（１）型
石こう
石こう型
枠
第２図
第４図FIG. 3 is an explanatory diagram of a state in which the frame is filled with plaster, and FIG. 4 is a mold obtained according to the present invention.・・・・・・Mold frame・・Material mold・・Gypsum・・Gypsum mold Patent Dekojin Co., Ltd. Figure 6 1.1′ ・・・ 2 ・ ・ 3 ・・・・ ４ ・・・ Formwork (1) Type Gypsum Gypsum formwork Fig. 2 Fig. 4
Claims (1)
囲である請求項１に記載の母型。（３）形状記憶樹脂で
作製された成形用型枠の母型の周囲に該形状記憶樹脂の
転移温度以下の温度で型枠材を流延し、型枠材が充分に
硬化した後、母型の温度を該形状記憶樹脂の転移温度以
上に上昇して後、該母型を抜き取ることを特徴とする型
枠の作製法。 （４）該型枠材が石こうである請求項３に記載の型枠の
作製法。[Scope of Claims] (1) A matrix for a molding frame made of shape memory resin. (2) The matrix according to claim 1, wherein the shape memory resin has a transition temperature in the range of 50 to 200°C. (3) Formwork material is cast around the mother mold of a molding form made of shape memory resin at a temperature below the transition temperature of the shape memory resin, and after the formwork material has sufficiently hardened, 1. A method for producing a mold, which comprises raising the temperature of the mold to a temperature equal to or higher than the transition temperature of the shape memory resin, and then removing the mother mold. (4) The method for producing a formwork according to claim 3, wherein the formwork material is gypsum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16939488A JPH0218005A (en) | 1988-07-06 | 1988-07-06 | Master and manufacture of retaining mold using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16939488A JPH0218005A (en) | 1988-07-06 | 1988-07-06 | Master and manufacture of retaining mold using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0218005A true JPH0218005A (en) | 1990-01-22 |
Family
ID=15885786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16939488A Pending JPH0218005A (en) | 1988-07-06 | 1988-07-06 | Master and manufacture of retaining mold using same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0218005A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05318443A (en) * | 1992-05-19 | 1993-12-03 | Kajima Corp | Form for forming curved surface of concrete |
| US6827325B2 (en) * | 2000-08-28 | 2004-12-07 | Johnson & Johnson Vision Care, Inc. | Shape memory polymer or alloy ophthalmic lens mold and methods of forming ophthalmic products |
| JP2014528142A (en) * | 2011-09-01 | 2014-10-23 | ワット フュール セル コーポレーション | Method for forming tubular ceramic structure having non-circular cross section |
-
1988
- 1988-07-06 JP JP16939488A patent/JPH0218005A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05318443A (en) * | 1992-05-19 | 1993-12-03 | Kajima Corp | Form for forming curved surface of concrete |
| US6827325B2 (en) * | 2000-08-28 | 2004-12-07 | Johnson & Johnson Vision Care, Inc. | Shape memory polymer or alloy ophthalmic lens mold and methods of forming ophthalmic products |
| JP2014528142A (en) * | 2011-09-01 | 2014-10-23 | ワット フュール セル コーポレーション | Method for forming tubular ceramic structure having non-circular cross section |
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