JP2003071154A - Sheet-form blade member, and its manufacturing method - Google Patents
Sheet-form blade member, and its manufacturing methodInfo
- Publication number
- JP2003071154A JP2003071154A JP2001263511A JP2001263511A JP2003071154A JP 2003071154 A JP2003071154 A JP 2003071154A JP 2001263511 A JP2001263511 A JP 2001263511A JP 2001263511 A JP2001263511 A JP 2001263511A JP 2003071154 A JP2003071154 A JP 2003071154A
- Authority
- JP
- Japan
- Prior art keywords
- ions
- alloy
- blade member
- solution
- thin plate
- 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
Landscapes
- Dry Shavers And Clippers (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、電気かみそり用外
刃等の薄板状刃物部材、及びその製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thin plate member such as an outer blade for an electric shaver, and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】電気かみそり用外刃としては、純Ｎｉ、
Ｎｉ合金の電鋳材からなるものや、マルテンサイト系ス
テンレス鋼の圧延薄板をプレス打ち抜き加工したものが
従来から知られている。例えば、特公昭５９−３５５４
号公報には、電鋳法によって形成したＮｉ−Ｃｏ−Ｐ合
金外刃が開示されている。また、特開平９−３８３４９
号公報及び特公昭５８−８８６０号公報には、プレス打
ち抜き法で形成したステンレス鋼外刃が開示されてい
る。2. Description of the Related Art As an outer blade for an electric shaver, pure Ni,
BACKGROUND ART Conventionally, a material made of an Ni alloy electroformed material and a material obtained by press punching a rolled thin plate of martensitic stainless steel have been known. For example, Japanese Examined Patent Publication Sho 59-3554
The publication discloses a Ni-Co-P alloy outer blade formed by an electroforming method. Also, Japanese Patent Laid-Open No. 9-38349
Japanese Patent Publication No. 58-88860 and Japanese Patent Publication No. 58-8860 disclose a stainless steel outer blade formed by a press punching method.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、純Ｎｉ
やＮｉ合金の電鋳材、ステンレス鋼等からなる上記従来
の電気かみそり用外刃は、いずれもＨｖ５００〜６００
程度で、表面硬度が十分でないため、摩耗進行度合いが
大きくて、良好な切れ味を長時間保つことができず、ま
た、強度不足で、折れや破れが発生しやすい等の問題が
あった。また、純ＮｉやＮｉ合金の電鋳材の場合は、Ｎ
ｉアレルギーの問題もあった。[Problems to be Solved by the Invention] However, pure Ni
The above-mentioned conventional outer blades for electric razors made of electroformed material of Ni, Ni alloy, stainless steel, etc. are all Hv500-600.
However, since the surface hardness is not sufficient, there is a problem that the degree of progress of wear is large and good sharpness cannot be maintained for a long period of time, and the strength is insufficient and breakage or breakage easily occurs. In the case of pure Ni or Ni alloy electroformed material, N
There was also a problem of i allergy.
【０００４】一方、硬度の高い電鋳材としては、Ｎｉ−
Ｗ合金の電鋳材も知られているが、電気かみそり用外刃
をＮｉ−Ｗ合金電鋳材で形成すると、やはりＮｉアレル
ギーの問題が発生する。On the other hand, as an electroformed material having high hardness, Ni-
Although a W alloy electroformed material is also known, if the outer blade for an electric razor is made of a Ni—W alloy electroformed material, the problem of Ni allergy still occurs.
【０００５】本発明は、加工性が良く、高い硬度および
強度が得られ、かつ、Ｎｉアレルギーの恐れのない電気
かみそり用外刃等の薄板状刃物部材を得ることを目的と
する。An object of the present invention is to obtain a thin plate-like blade member such as an outer blade for an electric shaver which has good workability, high hardness and strength, and is free from the risk of Ni allergy.
【０００６】[0006]
【課題を解決するための手段】本発明は、前記課題を解
決するため、Ｃｏ（コバルト）−Ｗ（タングステン）合
金の電鋳材からなり、ビッカース硬度（Ｈｖ）で７００
以上の硬度を有することを特徴とする、電気かみそり用
外刃等の薄板状刃物部材を提供するものである。In order to solve the above problems, the present invention comprises an electroformed material of Co (cobalt) -W (tungsten) alloy and has a Vickers hardness (Hv) of 700.
A thin plate-shaped blade member such as an outer blade for an electric razor having the above hardness.
【０００７】この薄板状刃物部材は、ＣｏイオンとＷイ
オンの総和が０．１〜０．３モル／リットルで、全金属
イオンに対するＣｏイオンの含有率が２０〜４０％の範
囲にある組成の電界液を用いて、４０〜８０℃で電鋳
し、得られた電鋳材を、５００〜７００℃で焼鈍するこ
とにより製造することができる。This thin plate member has a composition in which the total amount of Co ions and W ions is 0.1 to 0.3 mol / liter, and the content ratio of Co ions to all metal ions is in the range of 20 to 40%. It can be manufactured by electroforming at 40 to 80 ° C. using an electrolytic solution and annealing the obtained electroformed material at 500 to 700 ° C.
【０００８】電気かみそり用外刃等の薄い刃物部材をＣ
ｏ−Ｗ合金の電鋳材で形成することは、従来、均一な電
解折出を得ることが困難で、実現不可能であるとされて
きたが、本発明者は、研究の結果、ＣｏイオンとＷイオ
ンの総和が０．１〜０．３モル／リットルで、全金属イ
オンに対するＣｏイオンの含有率が２０〜４０％の範囲
にある組成の電界液を用いて、４０〜８０℃で電鋳した
場合に、電気かみそり用外刃等に使用可能な薄板状刃物
部材とするための均一な電鋳が可能であることが判明し
た。A thin blade member such as an outer blade for an electric razor is C
The formation of an o-W alloy electroformed material has heretofore been considered to be impossible because it is difficult to obtain a uniform electrolytic protrusion, but as a result of research, the present inventors have found that Co ion And the total amount of W ions are 0.1 to 0.3 mol / liter, and the content of Co ions to the total metal ions is in the range of 20 to 40%. It has been found that, when cast, uniform electroforming is possible to obtain a thin plate-shaped blade member that can be used as an outer blade for an electric razor.
【０００９】こうして得られたＣｏ−Ｗ合金電鋳材から
なる刃物部材は、そのままでは硬度が低く、加工性に優
れている。そして、焼鈍することによって、高い硬度お
よび強度が得られ、Ｈｖ８００以上の硬度とすることも
可能で、そのため、摩耗進行度合いが小さくて長時間良
好な切れ味を保つことができるとともに、折れや破れが
発生しにくいものとすることができる。勿論、Ｎｉアレ
ルギーの問題も生じない。The blade member made of the Co-W alloy electroformed material thus obtained has a low hardness as it is and is excellent in workability. Then, by annealing, a high hardness and strength can be obtained, and a hardness of Hv 800 or more can be obtained. Therefore, the degree of progress of wear is small and good sharpness can be maintained for a long time, and breakage or breakage is also possible. It can be hard to occur. Of course, the problem of Ni allergy does not occur.
【００１０】[0010]
【発明の実施の形態】本発明の実施の形態の一例として
の電気かみそり用外刃及びその製造方法を次に説明す
る。BEST MODE FOR CARRYING OUT THE INVENTION An outer blade for an electric shaver and a method for manufacturing the same will be described below as an example of an embodiment of the present invention.
【００１１】この例では、ＣｏイオンとＷイオンの総和
が０．１〜０．３モル／リットルで、全金属イオンに対
するＣｏイオンの含有率が２０〜４０％の範囲にある組
成の水溶液中に、金属錯化剤としてクエン酸イオンとア
ンモニウムイオンを添加した電解水溶液を用いて、４０
〜８０℃で電解折出させることにより、厚さ５０μｍの
均一な厚さのＣｏ−Ｗ合金電鋳材を得た。In this example, the total amount of Co ions and W ions is 0.1 to 0.3 mol / liter, and the content of Co ions to the total metal ions is in the range of 20 to 40%. , Using an electrolytic aqueous solution to which citrate ion and ammonium ion are added as a metal complexing agent,
By electrolysis at 80 ° C, a Co-W alloy electroformed material with a uniform thickness of 50 µm was obtained.
【００１２】こうして得られたＣｏ−Ｗ合金電鋳材は、
常温で硬度が低く、加工性に優れたものであるため、必
要に応じて打ち抜き加工等の加工を施すことができる。The Co-W alloy electroformed material thus obtained is
Since it has low hardness at room temperature and excellent workability, it can be subjected to punching or the like as necessary.
【００１３】そして、このＣｏ−Ｗ合金電鋳材電鋳材
を、５００〜７００℃で焼鈍することにより、硬度が高
く、強度の大きい外刃が得られる。Then, this Co--W alloy electroformed material is annealed at 500 to 700 ° C. to obtain an outer blade having high hardness and high strength.
【００１４】図１は、前記条件によるＣｏ−Ｗ合金電鋳
材を異なる温度で焼鈍し、その硬度を測定した結果を示
している。このデータが示すように、焼鈍温度が５００
〜７００℃の範囲では、従来の純ＮｉやＮｉ合金の電鋳
材、ステンレス鋼等からなる電気かみそり用外刃の場合
（Ｈｖ５００〜６００程度）以上の硬度（強度）が得ら
れ、特に、焼鈍温度６００℃の場合に、Ｈｖ８００以上
の高い硬度（強度）が得られた。FIG. 1 shows the results of measuring the hardness of a Co--W alloy electroformed material under the above conditions, which was annealed at different temperatures. As the data show, annealing temperatures of 500
In the range of up to 700 ° C, a hardness (strength) higher than that of a conventional outer blade for an electric shaver (Hv500 to 600) made of pure Ni or Ni alloy electroformed material, stainless steel or the like can be obtained. When the temperature was 600 ° C., a high hardness (strength) of Hv 800 or higher was obtained.
【００１５】以上、電気かみそり用外刃の例を説明した
が、本発明は、他の薄板状刃物部材にも適用することが
できる。Although the example of the outer blade for the electric shaver has been described above, the present invention can be applied to other thin plate-shaped blade members.
【００１６】[0016]
【発明の効果】以上の説明から明らかなように、本発明
によれば、Ｃｏ−Ｗ合金電鋳材からなり、加工性が良好
で、焼鈍により高い硬度および強度が得られ、Ｎｉアレ
ルギーの恐れもない電気かみそり用外刃等の薄板状刃物
部材を得ることができる。As is apparent from the above description, according to the present invention, it is made of a Co-W alloy electroformed material, has good workability, can obtain high hardness and strength by annealing, and is susceptible to Ni allergy. It is possible to obtain a thin plate-like blade member such as an outer blade for an electric razor.
【図１】本発明の実施の形態の一例におけるＣｏ−Ｗ合
金電鋳材を異なる温度で焼鈍し、その硬度を測定した結
果を示すグラフである。FIG. 1 is a graph showing the results of measuring the hardness of a Co—W alloy electroformed material according to an example of an embodiment of the present invention, which is annealed at different temperatures.
Claims (3)
ース硬度で７００以上の硬度を有することを特徴とする
薄板状刃物部材。1. A thin plate-like blade member made of a Co-W alloy electroformed material and having a Vickers hardness of 700 or more.
の薄板状刃物部材。2. A thin plate blade member according to claim 1, which is an outer blade for an electric shaver.
０．３モル／リットルで、全金属イオンに対するＣｏイ
オンの含有率が２０〜４０％の範囲にある組成の電解液
を用いて、４０〜８０℃で電鋳し、得られた電鋳材を、
５００〜７００℃で焼鈍することを特徴とする薄板状刃
物部材の製造方法。3. The total sum of Co ions and W ions is 0.1 to 10.
An electroformed material obtained by electroforming at 40 to 80 ° C. using an electrolytic solution having a composition of 0.3 mol / liter and having a Co ion content relative to all metal ions in the range of 20 to 40%. ,
A method for manufacturing a thin plate-shaped blade member, which comprises annealing at 500 to 700 ° C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001263511A JP2003071154A (en) | 2001-08-31 | 2001-08-31 | Sheet-form blade member, and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001263511A JP2003071154A (en) | 2001-08-31 | 2001-08-31 | Sheet-form blade member, and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003071154A true JP2003071154A (en) | 2003-03-11 |
Family
ID=19090255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001263511A Pending JP2003071154A (en) | 2001-08-31 | 2001-08-31 | Sheet-form blade member, and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003071154A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013021514A1 (en) * | 2011-08-09 | 2013-02-14 | 株式会社泉精器製作所 | Rotary shaver, manufacturing method for outer blade thereof, and outer blade |
-
2001
- 2001-08-31 JP JP2001263511A patent/JP2003071154A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013021514A1 (en) * | 2011-08-09 | 2013-02-14 | 株式会社泉精器製作所 | Rotary shaver, manufacturing method for outer blade thereof, and outer blade |
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