JPS61160663A - Gear for bicycle - Google Patents
Gear for bicycleInfo
- Publication number
- JPS61160663A JPS61160663A JP142685A JP142685A JPS61160663A JP S61160663 A JPS61160663 A JP S61160663A JP 142685 A JP142685 A JP 142685A JP 142685 A JP142685 A JP 142685A JP S61160663 A JPS61160663 A JP S61160663A
- Authority
- JP
- Japan
- Prior art keywords
- gear
- thin film
- bicycle
- metal
- high hardness
- 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
- Gears, Cams (AREA)
- Physical Vapour Deposition (AREA)
Abstract
Description
【発明の詳細な説明】 本発明は改良された自転車用歯車に関するものである。[Detailed description of the invention] The present invention relates to an improved bicycle gear.
自転車用歯車は、ベタルに加えられた駆動力を屯輪に伝
達するチェーンと噛合うものであり、機能上重要な構成
部品であるが、一方では、外部に旙呈してｈるので意匠
上も重要である。従り゛〔、表面硬度が高く、耐磨耗性
が優れていることが要請されるが、また、美しい金属光
沢が長く持続すれて表面が硬化されるが、必ずしも硬度
が十分ではなく、耐磨耗性が劣るものもあった。また、
歯車の色は、粗材の金属色の！＼のものが多く、色彩面
から意匠上の配慮はなんらなされていないのが実情であ
る。そして、時間の経過とともに錆が出るなどして外観
上問題となることがある。Bicycle gears mesh with the chain that transmits the driving force applied to the gear to the bicycle gear, and are functionally important components.However, on the other hand, they are also an important component in terms of design because they are visible to the outside. is important. Therefore, it is required that the surface has high hardness and excellent abrasion resistance.Also, although the beautiful metallic luster lasts for a long time and the surface is hardened, the hardness is not necessarily sufficient and the durability is low. Some had poor abrasion resistance. Also,
The color of the gear is the metal color of the raw material! The reality is that most of them are \\, and no consideration has been given to the design from the aspect of color. Then, over time, rust may appear, which may cause problems in terms of appearance.
そこで本発明は、簡単な処理により、表面硬度が大きく
て黄金色などの光沢を付与できる自転車用歯車を提供す
ることを目的とし、この目的は、表面に金Ｗ４窒化物や
金属炭化物などの高硬度薄膜をイオンプレーティング法
によりコートしてなる自転車用歯車により達成される。Therefore, an object of the present invention is to provide a bicycle gear that has a high surface hardness and can be given a golden luster through a simple treatment. This is achieved by a bicycle gear coated with a hard thin film using the ion plating method.
即ち、自転車用歯車として用いられるあらゆる粗材金属
の表面に窒化チタンや炭化珪素などの高硬度薄膜をイオ
ンプレーティング法により容易にコートできることを見
い出して本発明を完成したものであり、表面硬度が非常
に大きくて耐磨耗ＫｍｍＷＩＩＩｊｊｍｌ−ｊｉｈ４１
！＋＃−ＭａａｔｍＩ／Ｆ１．＋）４１＋ｊｋ沢を付与
でき、意匠上も斬新なものとすることができる。That is, the present invention was completed by discovering that a highly hard thin film of titanium nitride, silicon carbide, etc. can be easily coated on the surface of any crude metal used as bicycle gears by ion plating, and the surface hardness is Very large and wear-resistant KmmWIIIjjml-jih41
! +#-MaatmI/F1. +) 41+jk swamp can be imparted, and the design can also be novel.
次Ｋ、イオンプレーティング法で高硬度薄膜をコートし
た実施例を説明する。所定の粗材金属で両区な成形し、
熱処理を行った後に表面の脱脂処理を行い、次の条件で
高硬度薄膜をコートした。Next, an example in which a highly hard thin film was coated using the ion plating method will be described. Two types of molding is done using the specified crude metal,
After heat treatment, the surface was degreased and coated with a high hardness thin film under the following conditions.
実施例１ 処理真空度 ｌＸｌ０〜１ＱＰａＮ！ガス景
５０ ｍｚ／ｍｉ ｎ
同ガス圧 ２ｋｇ肩
処理時間 ２０分
反応金属 チタン
処理！度 １５０℃
実施例２ 処理真空度 １×１０〜ｘｏＰａＣ１Ｈｔカ
ス量 １０ｍｔ／ｍｉｎ
同ガス圧 １ｋｇ／ｄ
処理時間 １０分
反応金属 チタン
処理温度 ２００℃
実施例３ 処理真空度 １×１０〜５Ｘ１０ ＰａｃＨ
４ガス量 ５Ｑｍｔ／ｒｎｉｎ
同ガス圧 １ ｋｇ／ｃＩｄ
処理時間 １０分
反応金属 珪素
処理温度 ２００℃
以上のいずれの実施例にシいても、コートされりｌＥＫ
は０．１〜０．５１ｔ′ｎの薄いものであるが、硬ばか
高く、ＨＶ ＝ ３０００程変である。従って、従来の
ものに比べてずつと硬く、長期間使用してもチェーンと
の噛合によって磨耗することがない。また、実施例１と
実施例２では、チタンゴールドと称される黄金色となり
、実施例３も従来の金属色と異った独得の光沢が得られ
る。従って、意匠上からも斬、１Ｆｒｆｋものとなるが
、この薄膜は耐久性に優れており、長期間経過しても美
しい光沢を維持することができる。Example 1 Processing vacuum degree 1X10~1QPaN! Gas view 50 mz/min Same gas pressure 2kg shoulder processing time 20 minutes Reactive metal Titanium processing! degree 150°C Example 2 Processing vacuum degree 1x10~xoPaC1Ht scum amount 10mt/min Same gas pressure 1kg/d Processing time 10 minutes Reaction metal Titanium Processing temperature 200°C Example 3 Processing vacuum degree 1x10~5X10 PacH
4 Gas amount 5 Qmt/rnin Gas pressure 1 kg/cId Processing time 10 minutes Reaction metal Silicon processing temperature 200°C No matter which example is used, the coating will be lEK.
Although it is thin with a thickness of 0.1 to 0.51 t'n, it is very hard and has a variation of HV = 3000. Therefore, it is much harder than conventional ones, and will not wear out due to engagement with the chain even after long-term use. Further, in Examples 1 and 2, a golden color called titanium gold was obtained, and in Example 3, a unique luster different from conventional metal colors was obtained. Therefore, from a design point of view, it is 1Frfk, but this thin film has excellent durability and can maintain its beautiful luster even after a long period of time.
以上説明した様に、本発明の自転東用両区は、表面に金
属窒化物や金属炭化物などの高硬度薄膜をイオノｆプ：
レーティング法によりコートすることを一特徹とうする
ので、本発明に従えば、簡単な処理により、表面硬度が
大きくて耐磨耗性に優れ、黄金色などの独得な光沢な付
与できる自転家用歯車を提供することができる。As explained above, the rotating parts of the present invention have a high hardness thin film such as metal nitride or metal carbide on the surface.
Since we have made a special effort to coat using the rating method, according to the present invention, it is possible to produce bicycle gears that have high surface hardness, excellent wear resistance, and can be given a unique luster such as golden color through a simple treatment. can be provided.
Claims (1)
ンプレーティング法によりコートしてなる自転車用歯車
。A bicycle gear whose surface is coated with a highly hard thin film of metal nitride or metal carbide using the ion plating method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP142685A JPS61160663A (en) | 1985-01-10 | 1985-01-10 | Gear for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP142685A JPS61160663A (en) | 1985-01-10 | 1985-01-10 | Gear for bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61160663A true JPS61160663A (en) | 1986-07-21 |
Family
ID=11501127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP142685A Pending JPS61160663A (en) | 1985-01-10 | 1985-01-10 | Gear for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61160663A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01303376A (en) * | 1988-05-30 | 1989-12-07 | Riken Corp | Transmission |
| CN100460271C (en) * | 2006-02-17 | 2009-02-11 | 明安国际企业股份有限公司 | Bicycle frame and its surface colour-coat coating method |
-
1985
- 1985-01-10 JP JP142685A patent/JPS61160663A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01303376A (en) * | 1988-05-30 | 1989-12-07 | Riken Corp | Transmission |
| CN100460271C (en) * | 2006-02-17 | 2009-02-11 | 明安国际企业股份有限公司 | Bicycle frame and its surface colour-coat coating method |
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