JPH0830198B2 - 鋼の無切削加工用潤滑剤 - Google Patents

鋼の無切削加工用潤滑剤

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Publication number
JPH0830198B2
JPH0830198B2 JP62234678A JP23467887A JPH0830198B2 JP H0830198 B2 JPH0830198 B2 JP H0830198B2 JP 62234678 A JP62234678 A JP 62234678A JP 23467887 A JP23467887 A JP 23467887A JP H0830198 B2 JPH0830198 B2 JP H0830198B2
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JP
Japan
Prior art keywords
lubricant
binder
weight
solid
cutting
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 - Lifetime
Application number
JP62234678A
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English (en)
Other versions
JPS6389593A (ja
Inventor
シュタウプ ハンスールドルフ
ペリアル ジャック
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.)
Lonza AG
Original Assignee
Lonza AG
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Application filed by Lonza AG filed Critical Lonza AG
Publication of JPS6389593A publication Critical patent/JPS6389593A/ja
Publication of JPH0830198B2 publication Critical patent/JPH0830198B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【発明の詳細な説明】 本発明は、固体潤滑剤、結合剤および粘稠剤を含む、
鋼を高温加工する際に用いる潤滑剤に関する。
金属の無切削加工、とくに継目鋼無管製造の際の芯金
の潤滑に、たとえば黒鉛、アルキレン系重合体または共
重合体および分散剤または被膜安定剤を含有する潤滑剤
を用いることが知られている（ドイツ連邦特許明細書第
2450716号。）このような潤滑剤は、いわゆるMPM（多段
式ロール）工程に用いるときには、多くの要求を満たさ
なければならない。すなわち、潤滑剤は水性分散剤を使
用して経済的に適用であって簡単に塗布することがで
き、担体および水の分離後、耐水性の均一で緻密な被膜
が形成され、この被膜は高温高圧下で固体潤滑剤粒子の
均一な分散により、高い機械的安定性を示すものでなけ
ればならない。
これらの要求を満足する本質的な部分は、結合剤にあ
る。このような結合剤として、ドイツ連邦特許明細書45
0716号などには、ブタジエンおよびスチレンおよびスチ
レン共重合体が挙げてある。
しかし、これら既知の結合剤は、このような潤滑剤に
対する添加量を増大しても、すべての要求を満足させる
ことはできない。結合剤としてのブタジエンは柔かす
ぎ、またスチレンは通常の共重合体を用いても、最適の
被膜を形成することができない。また、ヨーロッパ特許
明細書0164637号には、高温用潤滑剤の例としてスチレ
ン−ブタジエン−共重合体が記載されている。しかし、
その形成には多量の無機塩混合物を必要とするため、た
とえばMPM工程において、耐水性の悪さに起因する不利
な作用を示す。
本発明の課題は、上記のような欠点のない潤滑剤を提
供するにある。
本発明によれば、この課題は、結合剤としてカルボキ
シル化スチレン−ブタジエンラテックスを含有する潤滑
剤によって解決される。
結合剤としてのカルボキシル化スチレン−ブタジエン
ラテックスは、スチレン含有量が50％、好ましくは70〜
80％のものが用いられる。
水性分散剤としての結合剤は、潤滑剤の他の成分に対
し固形分で40〜60重量％とするのが好ましい。
分散剤は、この場合、本質的には水中で、既に分散し
ている潤滑剤に加えられ、これに結合できるものでなけ
ればならない。
潤滑剤の組成は、固体潤滑剤または固体潤滑剤混合
物、好ましくは黒鉛を50〜80重量％、結合剤を乾燥品で
20〜50重量％、および粘稠剤を0.5〜5.0重量％を含有し
てなる。
また、従来、湿潤、乳化剤、殺菌剤および抗酸化剤の
ような添加剤を加えることが有利であることが判明して
いる。個々の添加量は製品仕様や予備実験によって定め
るが、通常は２重量％以下である。
本発明による潤滑剤に用いられる個々の成分は、後述
する製品のグループから選ぶことができる。
固体潤滑剤としては、黒鉛、MoS2（二酸化モリブデ
ン）またはBNを用いることができる。
これらの固体潤滑剤の中では、黒鉛がとくに良好な結
果を示す。黒鉛の中でも、純度が高く、たとえば96％以
上で、粒径が300μｍ以下のものがすぐれている。最良
の結果は、純度99.5％で粒径100μｍの場合に得られ
る。
潤滑剤は、水性分散液の10〜60重量％の範囲で使用す
べきである。分散液の粘度は、10〜30℃で500〜1500cp
を示すものが好ましい。
分散液の粘度調整には、粘稠剤または粘稠剤混合物を
用いる。粘稠剤の具体例としては、水溶性の多糖類、ヒ
ドロキシアルキルセルロースまたはカルボキシメチルセ
ルロースなどのアルキルセルロース、ポリビニルアルコ
ール、ポリアクリル酸その誘導体、中和または未中和の
天然ゴムまたはその誘導体（たとえばグアル）、ポリビ
ニルピロリドン、ポリエチレンオキサイド、必要であれ
ば粘土、モンモリロナイト、変性モンモリロナイト、ベ
ントナイトなどの鉱物、および天然ピッチまたは天然ア
スファルトなどの充填材がある。
前述したように、潤滑剤は水性分散液の形態で使用さ
れる。特許請求の範囲第１項による潤滑剤の水性分散液
は、80〜350℃の温度で工具に塗布できる作用をもつ。
すなわち、加熱された表面に塗布すると、分散液の水性
担持液が蒸発し、均一な緻密層をもつ潤滑剤の被膜が形
成される。
この潤滑剤の被膜は均一な耐水性の構造をもち、か
つ、工具を溢れるような大量の冷却媒体を用いても、洗
い流されたり膨潤したりすることはない。
本発明による潤滑剤は、たとえば鋼塊または管などの
工作物を加工するために、芯金の挿入を行なう際、とく
に鋼の熱間加工およびいわゆるMPM工程により鋼塊を継
目無管に圧延加工する際に、また場合によっては、連続
圧延、衝撃加工装置、条鋼圧延またはハンマー鍛造にお
いて、軸、ピストン棒またはダイスなどの工具を潤滑す
るのに好適である。
MPM工程における芯金の挿入を行なう際に、従来の潤
滑剤に要求されていた事項は、本発明によりすべて完全
に満足される。とくに80〜350℃の温度で使用し、加工
すると、厚さ10〜100mμの被膜が形成される。この被膜
は耐水性であって、後続する水冷操作によっても何ら影
響を受けない。軸温度150〜250℃では、被膜は良好な機
械的性質（たとえば、ジッケンスの割れ試験で割れ硬度
6.5N）を示す。潤滑剤の耐熱温度は、350℃まで全く問
題がない。
このような効果は、次に述べる実例でも明らかなよう
に、従来の潤滑剤では得られない。
比較例 １ （ドイツ特許明細書第2450716号による） 組 成：固形物30％、水70％ 固形分:74.3％ 黒鉛 23.2％ SBRラテックス（スチレン34％、ラテ
ックスの固形分換算） 2.0％ アルキルセルロース 0.5％ ケイ酸ナトリウム 粘 度:3100cps.,pH＝9.2 比較例 ２ （ヨーロッパ特許明細書第0164637号による） 組 成：固形物30％、水70％ 固形分:54.0％ 黒鉛 11.0 ポリリン酸（不溶性） 5.0％ ホウ砂 10.0％ ケイ酸ナトリウム 18.0％ ポリスチレン 2.0％ アルキルセルロース 粘 度:2000cps.,pH＝11.0 実施例（本発明） 組 成：固形物45％、水55％ 固形分:74.2％ 黒鉛 24.3％ SBRラテックス （カルボキシル化）（スチレン75％、ラテック
スの固形分換算） 1.0％ 粘土 0.5％ 抗酸化剤 粘 度:2800cps.,pH＝８ 比較例1.2および実施例のように、固形分と分散媒と
しての水から分散液を調製し、これを試験のために金属
表面、すなわち前述した軸の表面に噴霧、塗布した。試
験結果は第１表に示す。
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ１０Ｎ 50:02

Claims (6)

    【特許請求の範囲】
  1. 【請求項１】鋼を高温で無切削加工する際に用いる，固
    体潤滑剤，結合剤および粘稠剤を含む潤滑剤において、
    結合剤としてカルボキシル化スチレン−ブタジエンラテ
    ックスを用いることを特徴とする潤滑剤。
  2. 【請求項２】カルボキシル化スチレン−ブタジエンラテ
    ックスのスチレン含有量が50％以上、好ましくは70〜80
    ％であることを特徴とする特許請求の範囲第１項の潤滑
    剤。
  3. 【請求項３】水性分散剤としての結合剤が、潤滑剤の他
    の成分に対して固形分で40〜60重量％であることを特徴
    とする特許請求の範囲第１項または第２項の潤滑剤。
  4. 【請求項４】潤滑剤が、固体潤滑剤とくに黒鉛を50〜80
    重量％、特許請求の範囲第１項ないし第３項の結合剤を
    乾燥品で20〜50重量％、そして粘稠剤を0.2〜5.0重量％
    含んでいることを特徴とする特許請求の範囲第１項ない
    し第３項のいずれかの潤滑剤。
  5. 【請求項５】潤滑剤が水性分散剤として固形分10〜60重
    量％を含有し，これを熱い工具に塗布して水性担持液を
    蒸発させ、高い機械的強度をもつ均一な耐水性の潤滑剤
    被膜を形成し、工具を冷却後、無切削加工を開始するよ
    うしたことを特徴とする特許請求の範囲第１項ないし第
    ４項のいずれかの潤滑剤。
  6. 【請求項６】鋼を高温で無切削加工する際に用いる，固
    体潤滑剤，結合剤および粘稠剤を含有する潤滑剤を用い
    て工具を潤滑する方法において、結合剤としてカルボキ
    シル化スチレン−ブタジエンラテックスを用いることを
    特徴とする方法。
JP62234678A 1986-09-23 1987-09-18 鋼の無切削加工用潤滑剤 Expired - Lifetime JPH0830198B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3800/86A CH669603A5 (ja) 1986-09-23 1986-09-23
CH3800/86-6 1986-09-23

Publications (2)

Publication Number Publication Date
JPS6389593A JPS6389593A (ja) 1988-04-20
JPH0830198B2 true JPH0830198B2 (ja) 1996-03-27

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EP (1) EP0261438B1 (ja)
JP (1) JPH0830198B2 (ja)
CN (1) CN1011515B (ja)
AR (1) AR243593A1 (ja)
AT (1) ATE55145T1 (ja)
CH (1) CH669603A5 (ja)
DE (1) DE3764052D1 (ja)
ES (1) ES2016603B3 (ja)
SU (1) SU1632373A3 (ja)

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Publication number Priority date Publication date Assignee Title
JPH0747756B2 (ja) * 1989-08-09 1995-05-24 日本電装株式会社 金属の冷間塑性加工用水系潤滑処理液
DE69118601T2 (de) * 1990-07-12 1996-09-19 Daido Machinery Schmiedeschmiermittel und Verfahren zur Herstellung einer Beschichtung aus Schmiermittel auf der Oberfläche eines linearen Materials
DE59309911D1 (de) * 1992-02-06 2000-02-03 Lonza Ag Dornschmiermittel für die Herstellung nahtloser Rohre
AU6360596A (en) * 1995-07-04 1997-02-05 Timcal A.G. Lubricant for pass rollers
EP1326949A2 (en) * 2000-09-29 2003-07-16 Kelsan Technologies Corporation Friction control compositions
US6759372B2 (en) * 2002-04-12 2004-07-06 Kelsan Technologies Corp. Friction control composition with enhanced retentivity
CN105695076B (zh) * 2016-02-26 2018-09-18 常州高特新材料有限公司 一种水性金刚线硅片切割液
RU2716499C1 (ru) * 2019-10-03 2020-03-12 Федеральное государственное бюджетное учреждение науки Ордена Трудового Красного Знамени Институт нефтехимического синтеза им. А.В. Топчиева Российской академии наук (ИНХС РАН) Способ получения биоразлагаемой низкотемпературной консистентной смазки на основе целлюлозы
CN115679195B (zh) * 2021-07-30 2023-10-17 宝山钢铁股份有限公司 一种汽车驱动轴用无缝钢管及其制造方法

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Publication number Priority date Publication date Assignee Title
DE2048537A1 (en) * 1970-10-02 1972-04-06 Chemische Fabrik Budenheim, Rudolf A Oetker, 6501 Budenheim Lubricants for hot metal - forming - contg mixed inorganic phosphates in polymer binders
DE2318131A1 (de) * 1973-04-11 1974-10-24 Hoechst Ag Wasserklar einstellbare polymerlatices als waessrige kuehlschmiermittel
US3873458A (en) * 1973-05-18 1975-03-25 United States Steel Corp Resin-containing lubricant coatings
GB1438215A (en) * 1974-05-08 1976-06-03 Lonz Ltd High temperature lubricant
US3925214A (en) * 1974-05-28 1975-12-09 Chemclean Corp Hot forming lubricant composition, system and method
AU499239B2 (en) * 1974-12-19 1979-04-12 Borg-Warner Chemicals Inc. Coating composition
US4544690A (en) * 1983-07-27 1985-10-01 Reichhold Chemicals, Incorporated Aqueous rubberized coal tar emulsion

Also Published As

Publication number Publication date
CN87106375A (zh) 1988-04-06
EP0261438A3 (en) 1988-12-07
JPS6389593A (ja) 1988-04-20
ATE55145T1 (de) 1990-08-15
CH669603A5 (ja) 1989-03-31
EP0261438A2 (de) 1988-03-30
DE3764052D1 (de) 1990-09-06
AR243593A1 (es) 1993-08-31
CN1011515B (zh) 1991-02-06
SU1632373A3 (ru) 1991-02-28
ES2016603B3 (es) 1990-11-16
EP0261438B1 (de) 1990-08-01

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