JPH04113818A - Frame for spectacle - Google Patents
Frame for spectacleInfo
- Publication number
- JPH04113818A JPH04113818A JP23380490A JP23380490A JPH04113818A JP H04113818 A JPH04113818 A JP H04113818A JP 23380490 A JP23380490 A JP 23380490A JP 23380490 A JP23380490 A JP 23380490A JP H04113818 A JPH04113818 A JP H04113818A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- injection molding
- reaction
- low
- reaction injection
- 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 claims abstract description 18
- 238000010107 reaction injection moulding Methods 0.000 claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000005266 casting Methods 0.000 claims abstract description 3
- 238000005323 electroforming Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 238000001746 injection moulding Methods 0.000 abstract description 4
- 238000005498 polishing Methods 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract 2
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 12
- 238000005520 cutting process Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229920002396 Polyurea Polymers 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001523 electrospinning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229940014569 pentam Drugs 0.000 description 1
- YBVNFKZSMZGRAD-UHFFFAOYSA-N pentamidine isethionate Chemical compound OCCS(O)(=O)=O.OCCS(O)(=O)=O.C1=CC(C(=N)N)=CC=C1OCCCCCOC1=CC=C(C(N)=N)C=C1 YBVNFKZSMZGRAD-UHFFFAOYSA-N 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、眼鏡用プラスチックフレームの新しい製造方
法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a new method for manufacturing plastic frames for eyeglasses.
従来の眼鏡用プラスチックフレームの製造方法には、大
きく分けて、２つの加工法がある。１つは切削加工を主
体とした方法で、例えばセルフレームがその代表例であ
る。もう１つは、オブチル、アセテート、ナイロン等の
射出成形による方法である。Conventional methods for manufacturing plastic frames for eyeglasses can be roughly divided into two processing methods. One method is mainly based on cutting, and a typical example is cell frame. The other method is injection molding of obtyl, acetate, nylon, etc.
前者の切削加工は、多品種少量生産を前提としある程度
のデザイン対応ができるものの、人手がかかり、合理化
、低コスト化は離しいという問題がある。又後者の射出
成形は、切削加工ではできない形状（デザイン）が可能
になると共に、製品コストは安いという長所はある反面
、全型代が高いため、多品種少量生産を前提とした眼鏡
用フレームの場合、全型代が製品コスト以上にかかると
いう問題がある。The former type of cutting processing is based on the premise of high-mix, low-volume production and can accommodate a certain degree of design, but it requires labor and has the problem of being difficult to rationalize and reduce costs. The latter, injection molding, has the advantage of being able to create shapes (designs) that cannot be made by cutting, and has the advantage of low product costs. However, the overall mold cost is high, making it difficult to manufacture eyeglass frames that are designed for high-mix, low-volume production. In this case, there is a problem that the total mold cost exceeds the product cost.
本発明は上記問題点を解決し、多品種少量生産を前提に
、多種多様なデザイン対応を可能とし、しかも高価な金
型を必要としない反応射出成形により、眼鏡用プラスチ
ックフレームを製造するものである。The present invention solves the above problems and manufactures plastic frames for eyeglasses by reaction injection molding, which enables a wide variety of designs to be produced on the premise of high-mix, low-volume production, and does not require expensive molds. be.
まず多種多様なデザインは、３次元ＣＡＤを使用して画
面上で作り上げる。画面上でモデル評価をすると共に、
重量、応力計算、弾性計算等設計品質評価も行う、その
結果は、３次元のモデルデータとしてコンピューターに
インプットされている。この３次元ＣＡＤからのモデル
データに基づき、そのモデルを薄くスライスした等高線
データを作成する。この等高線データに基づき、液状の
光硬化性樹脂に紫外線レーザーを照射し、光線の当った
部分を薄く硬化させる０次の層を同様に描き積層させて
いく、この様にして順次積層硬化させて、立体モデルを
作成する。この立体モデルの製造方法を、三次元光造形
システムと言う、この立体モデルをポリッシング等の二
次加工をして、反応射出成形用型製作のための原模型と
する。この原模型を用いて、例えば真空注型により樹脂
型を作る。ロット数との関係から、簡易電紡型、簡易紡
造型になる場合もある。又は、三次元光造形システムに
よる立体モデルを、直接、反応射出成形用型にしても構
わない。ロット数を考えどちらカ効率カ良いかで使い分
けることができる。いずれにしても、以上で、反応射出
成形のためのを製作ができたことになる。反応射出成形
とは、低粘度の液体樹脂を低圧射出し、型内で反応硬化
させて成形品を得るプロセスを言う。液体樹脂の反応硬
化であるため、普通の射出成形の様に高温高圧にする必
要が無いため前述の様な簡易型で充分耐える。その結果
、高価な金型を使う必要が無いため、多品貿少Ｉ生産で
しかも多種多様なデザイン対応が要求される眼鏡用フレ
ームには最適の製造方法と言える。現在、材料として、
ジシクロペンタジェンを主原料としたＭＥＴＴＯＮとか
ＰＥＮＴＡＭが市販されているが、ウレタン、ナイロン
、ポリウレア、エポキシ等も可能であり、又メタル・繊
維との複合化も可能である。First, a wide variety of designs are created on the screen using 3D CAD. In addition to evaluating the model on the screen,
We also perform design quality evaluations such as weight, stress calculations, and elasticity calculations, and the results are input into the computer as three-dimensional model data. Based on the model data from this three-dimensional CAD, contour line data is created by thinly slicing the model. Based on this contour line data, the liquid photocurable resin is irradiated with an ultraviolet laser, and a zero-order layer is similarly drawn and layered to thinly harden the areas hit by the light.In this way, the resin is layered and cured one after another. , create a three-dimensional model. The method for manufacturing this three-dimensional model is called a three-dimensional stereolithography system, and this three-dimensional model is subjected to secondary processing such as polishing to become an original model for making a mold for reaction injection molding. Using this original model, a resin mold is made, for example, by vacuum casting. Depending on the number of lots, it may be a simple electrospinning type or a simple spinning type. Alternatively, a three-dimensional model produced by a three-dimensional stereolithography system may be directly used as a mold for reaction injection molding. You can choose which one is more efficient depending on the number of lots. In any case, this means that the product for reaction injection molding has been manufactured. Reaction injection molding is a process in which a low-viscosity liquid resin is injected under low pressure and reacted and cured in a mold to obtain a molded product. Since it is a reaction curing of liquid resin, there is no need for high temperature and high pressure as in ordinary injection molding, so a simple mold like the one mentioned above can withstand it. As a result, there is no need to use expensive molds, so it can be said to be the optimal manufacturing method for eyeglass frames, which require high-product, low-trade production and a wide variety of designs. Currently, as a material,
METTON and PENTAM, which are made from dicyclopentadiene as the main raw material, are commercially available, but urethane, nylon, polyurea, epoxy, etc. are also possible, and composites with metals and fibers are also possible.
以上の実施例の中で説明した通り、本発明による効果は
数多くある。As explained in the above embodiments, the present invention has many effects.
（１）高価な金型を必要としないため、小ロツト生産が
可能である。(1) Since no expensive molds are required, small-lot production is possible.
（２）多品質少量、多種多様なデザインに対応できる。(2) Can handle high quality, low volume, and a wide variety of designs.
（３）眼鏡用プラスチックフレームだけではなく、メタ
ル・繊維との複合化フレームも可能である。(3) In addition to plastic frames for eyeglasses, composite frames with metal and fiber are also possible.
（４）三次元光造形システムも金型が不要であり、ｌ１
ｌＪ削等の機械加工が不要であり、コンピューターによ
る無人加工が可能であり、極めて複雑な構造でも造形で
きる。(4) The three-dimensional stereolithography system also does not require a mold, and l1
There is no need for machining such as LJ cutting, unattended processing using a computer is possible, and even extremely complex structures can be formed.
（５）三次元ＣＡＤを前提にしているため、画面でモデ
ル評価ができるため、モデル試作数を大幅に減少できる
。(5) Since it is based on three-dimensional CAD, model evaluation can be performed on the screen, which can significantly reduce the number of model prototypes.
（６）デザイン、設計から製造まで一貫データを使用し
ているため、モデルを測定して図面化をする必要がなく
、フレーム設計、型設計、製造、検査までデータベース
に管理できる。(6) Since we use consistent data from design to manufacturing, there is no need to measure the model and create drawings, and everything from frame design, mold design, manufacturing, and inspection can be managed in a database.
（７）以上の結果、従来のフレーム製造の様な職人の技
能による手工業製品から、データに基づき標準化され、
規格化された工業製品に脱皮できるため、品質の安定化
と低コストが同時に期待できると共に、デザインから製
造までの納期短縮も期待できる。(7) As a result of the above, from handicraft products made by craftsmen's skills such as traditional frame manufacturing, to standardized products based on data,
Since it can be transformed into a standardized industrial product, it can be expected to have stable quality and low costs at the same time, as well as shorten the delivery time from design to manufacturing.
第１図は、本発明による製造フローチャートを図示した
ものである。
Ａ・・・デザイン
Ｂ・・・３次元ＣＡＤ
Ｃ・・・光道形
Ｄ・・・簡易型製作
Ｅ・・・反応射出成形
Ｆ・・・二次加工
Ｇ・・・眼鏡用フレーム
以 上FIG. 1 illustrates a manufacturing flowchart according to the present invention. A...Design B...Three-dimensional CAD C...Light path shape D...Simple mold production E...Reaction injection molding F...Secondary processing G...Eyeglass frames and above
Claims (3)
させて成形品を得る反応射出成形により製造することを
特徴とする眼鏡用フレーム。(1) An eyeglass frame manufactured by reaction injection molding, in which a low-viscosity liquid resin is injected under low pressure and reacted and cured in a mold to obtain a molded product.
、鋳造型のいずれかであることを特徴とする請求項（１
）記載の眼鏡用フレーム。(2) Claim (1) characterized in that the mold used for the reaction injection molding is any one of a resin mold, an electroforming mold, and a casting mold.
) Spectacle frames listed.
に用いる原模型を、三次元光造形システムにより製造す
ることを特徴とする請求項（１）（２）記載の眼鏡用フ
レーム。(3) The eyeglass frame according to claim 1 or 2, wherein the mold used in the reaction injection molding or the original model used for manufacturing the mold is manufactured using a three-dimensional stereolithography system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23380490A JPH04113818A (en) | 1990-09-04 | 1990-09-04 | Frame for spectacle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23380490A JPH04113818A (en) | 1990-09-04 | 1990-09-04 | Frame for spectacle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04113818A true JPH04113818A (en) | 1992-04-15 |
Family
ID=16960848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23380490A Pending JPH04113818A (en) | 1990-09-04 | 1990-09-04 | Frame for spectacle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04113818A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015197648A (en) * | 2014-04-03 | 2015-11-09 | 株式会社三城ホールディングス | Production method of spectacles for burial |
| JP2015215535A (en) * | 2014-05-13 | 2015-12-03 | 株式会社前澤金型 | Spectacle member and production method thereof |
-
1990
- 1990-09-04 JP JP23380490A patent/JPH04113818A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015197648A (en) * | 2014-04-03 | 2015-11-09 | 株式会社三城ホールディングス | Production method of spectacles for burial |
| JP2015215535A (en) * | 2014-05-13 | 2015-12-03 | 株式会社前澤金型 | Spectacle member and production method thereof |
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