JPS62156229A - Oil-tempered fine wire for high strength spring - Google Patents
Oil-tempered fine wire for high strength springInfo
- Publication number
- JPS62156229A JPS62156229A JP29912285A JP29912285A JPS62156229A JP S62156229 A JPS62156229 A JP S62156229A JP 29912285 A JP29912285 A JP 29912285A JP 29912285 A JP29912285 A JP 29912285A JP S62156229 A JPS62156229 A JP S62156229A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- wire
- tempered
- strength
- high strength
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は主にばねに使われる線径０．５ ｔｔｒｍ以下
の高強度ばね用細物オイルテンパー線に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a thin oil-tempered wire for high-strength springs with a wire diameter of 0.5 ttrm or less, which is mainly used for springs.
従来の技術および問題点
従来のばね用細物オイルテンパー線は通常ピッカース硬
度６００以下、伸び６％以下、引張シ強さ２ｓ ｏ Ｋ
ＩｉｆＡｊ／以下であり同径のピアノ線。Conventional technology and problems Conventional fine oil-tempered wire for springs usually has a Pickers hardness of 600 or less, an elongation of 6% or less, and a tensile strength of 2soK.
Piano wire with the same diameter as IifAj/ or less.
ステンレス線等のばね用鋼線に比べ強度が劣っている。Its strength is inferior to spring steel wires such as stainless steel wires.
又、ピアノ線、ステンレス線等のばね用鋼線はばね加工
時に問題となる線グセが悪いという欠点がある。Further, steel wires for springs such as piano wires and stainless steel wires have a disadvantage in that they tend to curl, which is a problem when processing springs.
問題点を解消する丸めの手段
本発明は上記従来の欠点を解消する事を目的とするもの
であり、カーボンＩｊｃ０．５〜１．０％を含有し、線
径Ｑ、５ ｔｔｒｔｓ以下に引抜き加工さｆ’Ｌ ｆｒ
：、 ’ｎｌ線を焼入れ加熱温度７８０〜８３０℃で油
焼入れし、焼戻し温度２８０〜３５０℃で焼戻し処理を
することによりピッカース硬度６５０〜７５０、伸び５
〜１０％、引張シ強さ２４０〜３ｏ ｏ Ｋａｆ／ｌｌ
に形成した高強度ばね用細物オイルテ７ハｆｌａであシ
、同径のピアノ線、ステンレス線等のばね用鋼線と同等
もしくはそれ以上の強度で、かつオイルテンパー腺特有
の線グセの良好な、すなわち真直性の良好な鋼線を提供
するものである。Rounding Means to Eliminate Problems The purpose of the present invention is to eliminate the above-mentioned drawbacks of the conventional method. saf'L fr
:, 'NL wire is oil quenched at a heating temperature of 780-830℃ and tempered at a tempering temperature of 280-350℃ to achieve a Pickers hardness of 650-750 and an elongation of 5.
~10%, tensile strength 240~3o Kaf/ll
High-strength thin oil wire for springs formed with 7-flare, has strength equal to or greater than steel wire for springs such as piano wire or stainless steel wire of the same diameter, and has good wire curl peculiar to oil tempered glands. In other words, the present invention provides a steel wire with good straightness.
以下本発明の１実施例について説明する。One embodiment of the present invention will be described below.
実施例
５ＷＲＨ７７Ｂ材（カーボン量０．７４〜０．８１％）
を使用し、線径０．８０ 慣に引抜き加工した後、焼入
れ温度８００℃にて油焼入れし、焼戻し温度３２０℃で
焼戻し処理し、ピッカース硬度７２０、伸び７．０％、
引張り強さ２８０°Ｑｆ／ｒｔ’の本発明の高強度ばね
用細物オイルテンパー線を形成する。Example 5 WRH77B material (carbon content 0.74-0.81%)
Using wire diameter 0.80, after drawing it in a conventional manner, it was oil quenched at a quenching temperature of 800℃, tempered at a tempering temperature of 320℃, Pickers hardness 720, elongation 7.0%,
A thin oil-tempered wire for high-strength springs of the present invention having a tensile strength of 280°Qf/rt' is formed.
上記本発明の高強度ばね用細物オイルテンパー線と従来
のばね用細物オイルテンパー線（ＳＷＲＨ７７Ｂ材）の
物性について下表に示す。The physical properties of the thin oil-tempered wire for high-strength springs of the present invention and the conventional thin oil-tempered wire for springs (SWRH77B material) are shown in the table below.
表
上記表に示すように従来品と比較して低温で短時間加熱
し油焼入れした後、低温で焼戻ししているので、機械的
性質は高強度で、かつｍ性の高いオイルチンバー綜を得
ることができ、耐摩耗性大で、耐疲労性も向上し、製品
寿命を著るしく延長する。As shown in the table above, compared to conventional products, it is heated at a lower temperature for a short time, oil quenched, and then tempered at a lower temperature, resulting in an oil-chinned heald with high mechanical properties and high strength. It has high wear resistance, improved fatigue resistance, and significantly extends product life.
また、同径のピアノ線３種はピッカース硬度５９０、伸
び２．５％、引張り強さ２８０ ”ザ／、□・であり、
本発明の高強度ばね用細物オイルテンパー線は強度的に
ピアノ線３種とはｙ同等であるが、靭性に優れておシ、
かつオイルテンパー処理されているので真直性に優れる
。In addition, the three types of piano wires with the same diameter have a Pickers hardness of 590, an elongation of 2.5%, and a tensile strength of 280"
The thin oil-tempered wire for high-strength springs of the present invention has the same strength as the three types of piano wire, but has excellent toughness and
And because it has been oil tempered, it has excellent straightness.
発明の効果
本発明の高強度はね用紙物オイルテンパー線は以上の如
くカーボン量０．５〜１．０％で、線径Ｑ、５１１ｍ以
下の高炭素鋼線を用い、焼入れ、焼戻条件を適当に設定
することによシピッカース硬度６５０〜７５０、伸び５
〜１０％、引張り強さ２４０〜ｓ ｏ ｏ Ｋｑｆ／、
／のりを得ることができたので、従来のばね用則物オイ
ルテンパー線に比較し、高強度でかつ靭性に優れており
、耐摩耗性大で、耐疲労性も向上し、製品寿命を著るし
く延長することができる。Effects of the Invention As described above, the high-strength oil-tempered paper wire of the present invention uses a high-carbon steel wire with a carbon content of 0.5 to 1.0% and a wire diameter Q of 511 m or less, and the quenching and tempering conditions are By appropriately setting the
~10%, tensile strength 240~s o o Kqf/,
/ adhesive, compared to conventional oil-tempered wire for springs, has higher strength and superior toughness, greater wear resistance, and improved fatigue resistance, significantly extending product life. It can be extended for a long time.
また、オイルテンパー処理がされているので真直性に鰻
れ、ばね加工性が浸れている等の優れた効果を有する発
明である。In addition, since it has been oil tempered, it has excellent straightness and spring workability.
Claims (1)
高炭素鋼線を焼入れ焼戻し処理により、ピッカース硬度
６５０〜７５０、伸び５〜１０％、引張り強さ２４０〜
３００Ｋｇｆ／ｍｍ＾２に形成したことを特徴とする高
強度ばね用細物オイルテンパー線。A high carbon steel wire with a wire diameter of 0.5 mm or less and a carbon content of 0.5 to 1.0% is quenched and tempered to have a Pickers hardness of 650 to 750, an elongation of 5 to 10%, and a tensile strength of 240 to
Thin oil tempered wire for high strength springs, characterized by being formed to 300Kgf/mm^2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29912285A JPS62156229A (en) | 1985-12-27 | 1985-12-27 | Oil-tempered fine wire for high strength spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29912285A JPS62156229A (en) | 1985-12-27 | 1985-12-27 | Oil-tempered fine wire for high strength spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62156229A true JPS62156229A (en) | 1987-07-11 |
Family
ID=17868403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29912285A Pending JPS62156229A (en) | 1985-12-27 | 1985-12-27 | Oil-tempered fine wire for high strength spring |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62156229A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0543933A (en) * | 1991-08-10 | 1993-02-23 | Kanai Hiroyuki | Manufacture of high strength extra fine metallic wire |
| US5302216A (en) * | 1991-04-10 | 1994-04-12 | Sugita Wire Mfg. Co., Ltd. | Method for producing by continuous heat treatments oil-tempered steel wires for springs having high strength and high toughness |
-
1985
- 1985-12-27 JP JP29912285A patent/JPS62156229A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5302216A (en) * | 1991-04-10 | 1994-04-12 | Sugita Wire Mfg. Co., Ltd. | Method for producing by continuous heat treatments oil-tempered steel wires for springs having high strength and high toughness |
| JPH0543933A (en) * | 1991-08-10 | 1993-02-23 | Kanai Hiroyuki | Manufacture of high strength extra fine metallic wire |
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