JP4265380B2 - 引抜鋼管の製造方法、およびこの方法により製造された引抜鋼管 - Google Patents
引抜鋼管の製造方法、およびこの方法により製造された引抜鋼管 Download PDFInfo
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- JP4265380B2 JP4265380B2 JP2003383520A JP2003383520A JP4265380B2 JP 4265380 B2 JP4265380 B2 JP 4265380B2 JP 2003383520 A JP2003383520 A JP 2003383520A JP 2003383520 A JP2003383520 A JP 2003383520A JP 4265380 B2 JP4265380 B2 JP 4265380B2
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- steel pipe
- drawn steel
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- 238000000034 method Methods 0.000 title claims description 41
- 229910000831 Steel Inorganic materials 0.000 title claims description 34
- 239000010959 steel Substances 0.000 title claims description 34
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 238000010622 cold drawing Methods 0.000 claims description 34
- 230000008569 process Effects 0.000 claims description 26
- 230000003746 surface roughness Effects 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 20
- 150000004706 metal oxides Chemical class 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 16
- 229910044991 metal oxide Inorganic materials 0.000 claims description 15
- 238000005461 lubrication Methods 0.000 claims description 13
- 239000011247 coating layer Substances 0.000 claims description 9
- 238000007517 polishing process Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 description 13
- 239000003921 oil Substances 0.000 description 12
- 239000010687 lubricating oil Substances 0.000 description 10
- 238000005498 polishing Methods 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 229910003460 diamond Inorganic materials 0.000 description 5
- 239000010432 diamond Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 5
- 239000002356 single layer Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- 238000013459 approach Methods 0.000 description 4
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- 239000000314 lubricant Substances 0.000 description 3
- 229910001111 Fine metal Inorganic materials 0.000 description 2
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Description
この引抜鋼管の製造方法では、焼付防止のため、前記冷間引抜用プラグとして、前記被加工材と接触する部位にコーティング層が形成されたプラグを用いることができる。
(2)上記(1)に記載の引抜鋼管の製造方法により抽伸加工が施されたことを特徴とする引抜鋼管である。
したがって、ある長さの抽伸加工を行った後、びびり振動が発生するに先立ち、続く抽伸加工前に、適宜冷間引抜用プラグの表面粗さを、規定範囲に調整すると同時に、オイルピットに蓄積された金属酸化物の微粉を除去する研磨処理を施せば、常時、びびり振動を防止することができるため、工具寿命を大幅に改善することができる。
1b:テーパー部
2:ダイス、 3:被加工材(素管)
4:容器、 4a:テレスコピック構造
5:プラグ支持桿
Claims (3)
- 光輝熱処理された素管を被加工材とし、潤滑処理が施された前記被加工材の抽伸加工に用いられる冷間引抜用プラグの少なくとも前記被加工材と接触する部位の表面粗さを、定期的に、抽伸加工前にRmaxで0.4〜2.0μmに調整すると同時に、前記冷間引抜用プラグの表面のオイルピットに蓄積された金属酸化物の微粉を除去する研磨処理を施した後に、被加工材を抽伸加工することを特徴とする引抜鋼管の製造方法。
- 前記冷間引抜用プラグとして、前記被加工材と接触する部位にコーティング層が形成されたプラグを用いることを特徴とする請求項1に記載の引抜鋼管の製造方法。
- 請求項1または2に記載の引抜鋼管の製造方法により抽伸加工が施されたことを特徴とする引抜鋼管。
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JP2003383520A JP4265380B2 (ja) | 2003-11-13 | 2003-11-13 | 引抜鋼管の製造方法、およびこの方法により製造された引抜鋼管 |
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JP2003383520A JP4265380B2 (ja) | 2003-11-13 | 2003-11-13 | 引抜鋼管の製造方法、およびこの方法により製造された引抜鋼管 |
Publications (2)
Publication Number | Publication Date |
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JP2005144479A JP2005144479A (ja) | 2005-06-09 |
JP4265380B2 true JP4265380B2 (ja) | 2009-05-20 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102665951A (zh) * | 2009-12-21 | 2012-09-12 | 住友金属工业株式会社 | 冷拔用管坯及其制造方法以及冷拔管的制造方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102985783B (zh) * | 2010-06-28 | 2015-09-16 | 新日铁住金株式会社 | 蒸汽发生器用导热管及其制造方法 |
DE102015122297A1 (de) * | 2015-12-18 | 2017-06-22 | Sandvik Materials Technology Deutschland Gmbh | Verfahren zum Herstellen eines Hochdruckrohres |
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- 2003-11-13 JP JP2003383520A patent/JP4265380B2/ja not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102665951A (zh) * | 2009-12-21 | 2012-09-12 | 住友金属工业株式会社 | 冷拔用管坯及其制造方法以及冷拔管的制造方法 |
CN102665951B (zh) * | 2009-12-21 | 2015-02-11 | 新日铁住金株式会社 | 冷拔用管坯及其制造方法以及冷拔管的制造方法 |
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