JPS5825757B2 - Manufacturing method for watch dial and parting plate - Google Patents

Manufacturing method for watch dial and parting plate

Info

Publication number
JPS5825757B2
JPS5825757B2 JP15353882A JP15353882A JPS5825757B2 JP S5825757 B2 JPS5825757 B2 JP S5825757B2 JP 15353882 A JP15353882 A JP 15353882A JP 15353882 A JP15353882 A JP 15353882A JP S5825757 B2 JPS5825757 B2 JP S5825757B2
Authority
JP
Japan
Prior art keywords
dial
electroformed
pattern
electroforming
mold
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.)
Expired
Application number
JP15353882A
Other languages
Japanese (ja)
Other versions
JPS5848687A (en
Inventor
信夫 伊東
忠男 榎本
秀文 葛西
洋 小出
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP15353882A priority Critical patent/JPS5825757B2/en
Publication of JPS5848687A publication Critical patent/JPS5848687A/en
Publication of JPS5825757B2 publication Critical patent/JPS5825757B2/en
Expired legal-status Critical Current

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  • Moulds For Moulding Plastics Or The Like (AREA)

Description

【発明の詳細な説明】 本発明は文字板又は見切板の表面に、自然界及び人造物
質の固有の模様を硬質金属電鋳法により金型を製造し、
連続的にエンボシングして、模様を形成した時計用文字
板及び見切板の製造方法に関するものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention manufactures a mold with a unique pattern of natural and man-made materials on the surface of a dial or parting plate by hard metal electroforming,
The present invention relates to a method of manufacturing a watch dial and parting plate in which a pattern is formed by continuous embossing.

従来、時計用文字板は、黄銅製の金属板表面に、金属ブ
ラシにより模様付けしたもの、又、電鋳法により模様転
写したもの、等々、各種のものがあった。
Conventionally, there have been various types of watch dials, such as those with patterns on the surface of a brass metal plate using a metal brush, and those with patterns transferred by electroforming.

しかし、金属ブラシにより模様付けしたものは、模様の
種類の制約、量産上多くの設備を必要とする等の欠点を
有している。
However, those patterned with a metal brush have drawbacks such as restrictions on the types of patterns and the need for a large amount of equipment for mass production.

又、電鋳法により模様転写したものは、機械加工の容易
さ、電鋳可能な金属等、材質的な制約により一般的に、
銅電鋳に限られ、そのために、文字板足溶接強度の低下
が問題になっている。
In addition, patterns transferred by electroforming are generally difficult to process due to material limitations such as ease of machining and metals that can be electroformed.
It is limited to copper electroforming, and as a result, a reduction in the strength of the dial foot welding has become a problem.

その上に、量産性に関しても、電鋳特有の製造工程の複
雑さ、電鋳に長時間を要する、歩留りの悪さ、作業性の
悪さ、設備あたりのブランク回転率の悪さ、等により非
常に量産性が悪い。
Furthermore, in terms of mass production, the complexity of the manufacturing process unique to electroforming, the long time required for electroforming, poor yield, poor workability, and poor blank rotation rate per equipment make it very difficult to mass produce. Bad sex.

これらのことからコストは当然高いものとなっている。For these reasons, the cost is naturally high.

更に、近年、時計に於てもファツション性が重要視され
、装飾性の高いものが高級品、中級品、低級品、の全商
品群にわたって要求されるようになっているが、従来の
文字板では、このような要求を十分に満しえなかった。
Furthermore, in recent years, fashion has become important in watches, and highly decorative items are now required across all product groups, including luxury, mid-range, and low-end products. However, these requirements could not be fully met.

本発明は、上記の如き問題を解決し、極めて、装飾性の
高い文字板又は見切板を機能的にも安定した品質で、し
かも、安価に提供することを目的とするものである。
It is an object of the present invention to solve the above-mentioned problems and to provide a highly decorative dial or parting board with functionally stable quality and at a low cost.

以下図面に基づき本発明の実施例について説明する。Embodiments of the present invention will be described below based on the drawings.

図面はいずれも本発明の実施例を示すものである。All drawings show embodiments of the present invention.

実施例 自然界及び人造物質の固有の模様を形成した第1次電鋳
骨形に、機械的な模様付、化学的な模様付、(エツチン
グ等)等を複合的に2次模様付をして第2次電鋳骨形を
形成し、第2次電鋳骨形からつくられた硬質電鋳型によ
り、製造する文字板の実施例を説明する。
Example: A primary electroformed bone shape with a pattern unique to nature or man-made materials is subjected to a secondary pattern using a combination of mechanical patterning, chemical patterning (etching, etc.), etc. An embodiment of a dial plate manufactured by forming a second electroformed bone shape and using a hard electroforming mold made from the second electroformed bone shape will be described.

第1図及び第2図は、電鋳法により模様を金型ヘ転写す
る際の第1次電鋳骨形に関するものであり、第1図は、
文字板の模様として転写する植物の葉を電鋳用治具に固
定したところの平面図を示し、第2図はその断面図であ
る。
Figures 1 and 2 relate to the first electroformed bone shape when transferring a pattern to a mold by electroforming.
A plan view of a plant leaf to be transferred as a dial pattern fixed to an electroforming jig is shown, and FIG. 2 is a cross-sectional view thereof.

第2図において、1は電鋳用治具であり、材質は金属又
はプラスチックである。
In FIG. 2, 1 is an electroforming jig, and the material is metal or plastic.

2は植物の葉を電鋳用治具に固定するための接着剤であ
り、3は植物の葉(文字板の模様素材)、4は電鋳の際
に植物の葉3の上に導電性を付与させる目的の無電解メ
ッキ層(銅、ニッケル、銀)、又は、蒸着層(銀)、を
それぞれ示す。
2 is an adhesive for fixing plant leaves to the electroforming jig, 3 is a plant leaf (pattern material for the dial), and 4 is a conductive adhesive that is applied to the plant leaves 3 during electroforming. The electroless plating layer (copper, nickel, silver) or the vapor deposited layer (silver) intended to provide the following properties is shown.

本実施例においては、第3図は、第2図の第1次電鋳骨
形に銅電鋳5bを行なった状態の断面図である。
In this embodiment, FIG. 3 is a cross-sectional view of the first electroformed bone shape shown in FIG. 2 in which copper electroforming 5b is applied.

第4図は、第3図の銅電鋳5bを第1次電鋳骨形からと
りはずし、必要とする寸法に機械的に成形加工した第2
次電鋳囲続5dの拡大断面図を示し、その模様上面に2
次模様(鏡面、ホーニング、ダイヤバイトによる機械目
付、エツチング等)5Cを複合的に施した。
Fig. 4 shows a second electroformed copper plate 5b that has been removed from the first electroformed bone shape in Fig. 3 and mechanically formed into the required dimensions.
An enlarged sectional view of the next electroformed enclosure 5d is shown, and 2
The following 5C patterns (mirror surface, honing, machine weight by diamond bite, etching, etc.) were applied in a composite manner.

第5図は、第4図に示す第2次電鋳囲続5dに硬質金属
電鋳5aにニッケル、ニッケルとコバルト合金、クロム
)を行った状態を示し、不動態被膜層6は硬質金属電鋳
層と第2次電鋳骨形(銅電鋳材)5aとの剥離を容易な
らしめる目的で形成された、0.1〜0.6μ厚さのニ
ッケルメッキである。
FIG. 5 shows a state in which hard metal electroforming 5a is coated with nickel, nickel and cobalt alloy, chromium) on the second electroformed enclosure 5d shown in FIG. This is nickel plating with a thickness of 0.1 to 0.6 μm, which is formed for the purpose of facilitating peeling between the cast layer and the secondary electroformed bone shape (copper electroformed material) 5a.

次に、硬質金属電鋳5aを第6図のエンボス上型の形状
寸法に成形加工して硬質金属電鋳型を製造する。
Next, the hard metal electroforming mold 5a is formed into the shape and dimensions of the embossing upper mold shown in FIG. 6 to produce a hard metal electroforming mold.

尚、硬質金属電鋳金型の厚みは1mm以上が適当である
The thickness of the hard metal electroforming mold is preferably 1 mm or more.

第6図は文字板素材の帯材に硬質金属電鋳金型7を用い
てエンボス加工法により模様付の加工工程を示し、8は
上型、7は硬質金属電鋳金型、9は文字板素材(黄銅材
)、10はウレタンゴム、11は下型であり、上、下型
に250kg7/crilの圧力をカロえて文字板素材
に連続的に模様付をする。
Figure 6 shows the process of forming a pattern on the band material of the dial material by the embossing method using the hard metal electroforming mold 7, where 8 is the upper mold, 7 is the hard metal electroforming mold, and 9 is the dial material. (brass material), 10 is urethane rubber, 11 is a lower mold, and a pressure of 250 kg7/cril is applied to the upper and lower molds to continuously pattern the dial material.

以上のようにして、模様付が済んだら、必要とする外径
形状、植字、ブランドマーク取り付は用足穴、窓形状、
中心穴(針を取りつける軸の貫通穴)をプレス抜きした
後に、ムーブへの文字板固定用の足を溶接し、銀、金、
着色、等のメッキをしてクリヤー保護塗装し、第7図か
ら第10図のように自然界物質の固有の模様と二次加工
による模様とを忠実に形成された文字板が完成する。
After completing the patterning as described above, the required outer diameter shape, typesetting, brand mark attachment, foot hole, window shape, etc.
After punching out the center hole (the through-hole of the shaft where the needle is attached), we weld the feet for fixing the dial to the movement, and then weld silver, gold,
After coloring and plating, a clear protective coating is applied, and a dial is completed that faithfully forms the unique pattern of natural substances and the pattern created by secondary processing, as shown in Figures 7 to 10.

第7図は、本発明の実施例の方法で、製造された文字板
の平面図を示し、12は模様部分を示す、第8図は、第
7図の文字板の拡大断面図を示し、5cは機械的及び化
学的な方法による2次模様を示している。
FIG. 7 shows a plan view of a dial manufactured by the method of the embodiment of the present invention, 12 shows a patterned portion, FIG. 8 shows an enlarged sectional view of the dial of FIG. 7, 5c shows a secondary pattern created by mechanical and chemical methods.

第9図及び第10図は、本発明を応用した他の例であり
、第9図はデジタル時計の見切板を示し、第10図はア
ナログ時計の見返しリング(ワイドオープン)に応用し
た例である。
Figures 9 and 10 show other examples in which the present invention is applied. Figure 9 shows a parting plate of a digital watch, and Figure 10 shows an example in which the present invention is applied to a dial ring (wide open) of an analog watch. be.

尚、実施例では、文字板素材9に黄銅材を用いて説明し
たが、他の材料例えば、アルミニウム及びその合金材、
亜鉛及びその合金材を用いて本発明の模様入りの着色ア
ルマイト文字板の製造も可能になる。
In the embodiment, the dial material 9 is made of brass, but other materials such as aluminum and its alloys,
It is also possible to manufacture the patterned colored alumite dial plate of the present invention using zinc and its alloy material.

又、文字板として高硬度の材料、例えば、ステンレスス
チール材を用いて、厚さ200μ以下の本発明の模様入
りの着色薄型文字板の製造も可能であり、硬質金属電鋳
金型7(硬度Hv 450〜1200)、の硬度の50
%以下の硬度を有する材料であれば材料による制約はな
い。
It is also possible to manufacture a colored thin dial plate with a pattern of the present invention having a thickness of 200 μm or less by using a highly hard material such as stainless steel for the dial plate, and hard metal electroforming mold 7 (hardness Hv 450-1200), hardness of 50
There are no restrictions depending on the material as long as the material has a hardness of % or less.

以上説明した様に、本発明は文字板又は見切板の表面に
、自然界及び人造物質固有の模様を銅電鋳金型にとり、
この金型に二次加工を施して2次電鋳骨形を形成し、こ
の母形より硬質金属電鋳法により金型を製造し、連続的
に、エンボス上型して模様を形成した文字板又は見切板
であるからして、文字板素材の材質の選択の巾は広く、
各種金属固有の化学的、冶金学的発色法を応用すること
により、従来にない、表現力のある極めて装飾性の高い
文字板が提供できる。
As explained above, the present invention uses a copper electroforming mold to create patterns unique to nature and man-made materials on the surface of the dial or parting plate.
This mold is subjected to secondary processing to form a secondary electroformed bone shape, and a mold is manufactured from this mother mold by hard metal electroforming method, and the letters are continuously embossed to form a pattern. Since it is a board or parting board, there is a wide range of choices for the dial material.
By applying chemical and metallurgical coloring methods unique to various metals, we can provide highly decorative dials with unprecedented expressive power.

又、ロールエンボス模様付法に比較すると、本発明はロ
ールエンボスの機械的模様も可能であることから模様の
巾も広くなる。
Furthermore, compared to the roll emboss patterning method, the width of the pattern is wider because the present invention allows mechanical patterns to be created by roll embossment.

更に電鋳文字板に比較しても、製造工程が簡略化し、作
業性も容易であり、歩留りも高く、設備費も相当軽減さ
れる。
Furthermore, compared to electroformed dial plates, the manufacturing process is simplified, workability is easy, yield is high, and equipment costs are considerably reduced.

又、文字板及び見切板の機能的品質(足溶接強度)も通
常文字板等の素材を用いることにより文字板及び見切板
の基準値を十分満足しえる。
Furthermore, the functional quality (leg welding strength) of the dial and parting plate can sufficiently satisfy the standard values for the dial and parting plate by using materials such as normal dial plates.

模様の表現力に関しても、二次加工を施した母形を用い
るため、デザインバラエティ−の豊富な模様が得られ、
かつ電鋳文字板にエンボス特有のソフトな感じがカロ味
され、優れたものが得られる。
As for the expressiveness of the pattern, since we use a matrix that has been subjected to secondary processing, we can obtain a wide variety of patterns.
Moreover, the electroformed dial has a soft feel unique to embossing, making it an excellent product.

以上の様に、極めてファッション性豊かな表現力のある
文字板及び見切板を安価に提供でき、しかも厚さ200
μ以下の本発明の模様入り文字板及び見切板の提供がで
きる等、実用上の効果は犬なるものである。
As described above, it is possible to provide dials and parting boards that are highly fashionable and expressive at low cost, and also have a thickness of 200 mm.
The practical effects, such as being able to provide the patterned dial plate and parting plate of the present invention with a size of less than μ, are significant.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の模様転写法に関する第1次電鋳骨形の
平面図、第2図は第1図の断面図、第3図は第2図の第
1次電鋳骨形に硬質金属電鋳及び銅電鋳した状態の新面
図、第4図は第3図の銅電鋳層を第1次電鋳骨形からと
りはずし2次的に模様付した第2次電鋳骨形の拡大断面
図、第5図は第4図の第2次電鋳骨形に硬質金属電鋳し
た状態の断面図、第6図は本発明に関する模様付機の模
様付部の断面図、第7図は本発明の実施例により完成し
た文字板の平面図、第8図は第7図の文字板模様部の拡
大断面図、第9図はデジタル時計の見切板の平面図、第
10図はアナログ時計の見返しリングの平面図である。 1・・・・・・電鋳用治具、2・・・・・・接着剤、3
・・・・・・植物の葉(模様素材)、4・・・・・・導
電性被膜、5a・・・・・・硬質金属電鋳、5b・・・
・・・銅電鋳、5c・・・・・・2次模様、5d・・・
・・・第2次電鋳骨形、6・・・・・・ニッケルメッキ
層+不動態被膜、7・・・・・・硬質金属電鋳金型、8
・・・・・・エンボス上型、9・・・・・・文字板素材
、10・・・・・・ウレタンゴム、11・・・・・・エ
ンボス下型、12・・・・・・植物の葉の模様部。
Fig. 1 is a plan view of the primary electroformed bone shape related to the pattern transfer method of the present invention, Fig. 2 is a sectional view of Fig. 1, and Fig. 3 is a rigid A new view of metal electroforming and copper electroforming, and Figure 4 shows the second electroformed bone shape with the copper electroformed layer in Figure 3 removed from the first electroformed bone shape and secondarily patterned. FIG. 5 is a sectional view of the hard metal electroformed into the secondary electroformed bone shape of FIG. 4. FIG. 7 is a plan view of a dial completed according to an embodiment of the present invention, FIG. 8 is an enlarged sectional view of the dial pattern part of FIG. 7, FIG. 9 is a plan view of a parting plate of a digital watch, and FIG. 10 is a plan view of a dial ring of an analog watch. 1...Electroforming jig, 2...Adhesive, 3
... Plant leaf (pattern material), 4 ... Conductive coating, 5a ... Hard metal electroforming, 5b ...
...Copper electroforming, 5c...Secondary pattern, 5d...
...Second electroformed bone shape, 6...Nickel plating layer + passive film, 7...Hard metal electroforming mold, 8
...Embossing upper die, 9...Dial board material, 10...Urethane rubber, 11...Embossing lower die, 12...Plant Leaf pattern.

Claims (1)

【特許請求の範囲】[Claims] 1 自然物質又は人造物質の一次模様を銅電鋳により形
成された第1次電鋳骨形に、二次模様を施して第2次電
鋳骨形を形成し、該第2次電鋳骨形から得られた硬質電
鋳形のエンポシングにより、表面に複合模様を設けてな
る時計用文字板及び見切板の製造方法。
1 A secondary pattern is applied to a primary electroformed bone shape formed by copper electroforming with a primary pattern of natural or artificial material to form a secondary electroformed bone shape, and the secondary electroformed bone shape is A method for manufacturing a watch dial and a parting plate having a composite pattern on the surface by embossing a hard electroformed shape obtained from the shape.
JP15353882A 1982-09-03 1982-09-03 Manufacturing method for watch dial and parting plate Expired JPS5825757B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15353882A JPS5825757B2 (en) 1982-09-03 1982-09-03 Manufacturing method for watch dial and parting plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15353882A JPS5825757B2 (en) 1982-09-03 1982-09-03 Manufacturing method for watch dial and parting plate

Publications (2)

Publication Number Publication Date
JPS5848687A JPS5848687A (en) 1983-03-22
JPS5825757B2 true JPS5825757B2 (en) 1983-05-30

Family

ID=15564701

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15353882A Expired JPS5825757B2 (en) 1982-09-03 1982-09-03 Manufacturing method for watch dial and parting plate

Country Status (1)

Country Link
JP (1) JPS5825757B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4948730B2 (en) * 1999-11-12 2012-06-06 シチズンホールディングス株式会社 Electronic device display device with solar cell
CN108893759A (en) * 2018-06-29 2018-11-27 福州珂麦表业有限公司 A kind of hollow golden watch shell manufacture craft
CN108914166A (en) * 2018-06-29 2018-11-30 福州珂麦表业有限公司 A kind of electroforming manufacture craft of noble metal ebuche

Also Published As

Publication number Publication date
JPS5848687A (en) 1983-03-22

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