JPS63114923A - 高温レ−ルの無変形冷却法 - Google Patents
高温レ−ルの無変形冷却法Info
- Publication number
- JPS63114923A JPS63114923A JP26234786A JP26234786A JPS63114923A JP S63114923 A JPS63114923 A JP S63114923A JP 26234786 A JP26234786 A JP 26234786A JP 26234786 A JP26234786 A JP 26234786A JP S63114923 A JPS63114923 A JP S63114923A
- Authority
- JP
- Japan
- Prior art keywords
- rail
- cooling
- head
- temperature
- temp
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 69
- 229910001562 pearlite Inorganic materials 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 230000009466 transformation Effects 0.000 claims abstract description 10
- 239000003507 refrigerant Substances 0.000 claims description 29
- 229910001566 austenite Inorganic materials 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000005098 hot rolling Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 13
- 238000005452 bending Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000029052 metamorphosis Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Heat Treatment Of Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26234786A JPS63114923A (ja) | 1986-11-04 | 1986-11-04 | 高温レ−ルの無変形冷却法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26234786A JPS63114923A (ja) | 1986-11-04 | 1986-11-04 | 高温レ−ルの無変形冷却法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63114923A true JPS63114923A (ja) | 1988-05-19 |
| JPH0366371B2 JPH0366371B2 (ko) | 1991-10-17 |
Family
ID=17374482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26234786A Granted JPS63114923A (ja) | 1986-11-04 | 1986-11-04 | 高温レ−ルの無変形冷却法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63114923A (ko) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03104824A (ja) * | 1989-09-20 | 1991-05-01 | Nippon Steel Corp | 長尺溶接レールの熱処理法 |
| KR100339894B1 (ko) * | 2000-01-31 | 2002-06-10 | 백창기 | 열처리 레일의 방청장치 |
| JP2006336043A (ja) * | 2005-05-31 | 2006-12-14 | Mine Seisakusho:Kk | 特殊断面レールの連続頭部硬化熱処理方法及び熱処理装置 |
| US7828917B2 (en) * | 2004-01-09 | 2010-11-09 | Nippon Steel Corporation | Rail manufacturing method |
| WO2013115364A1 (ja) * | 2012-02-02 | 2013-08-08 | Ｊｆｅスチール株式会社 | レール冷却方法およびレール冷却装置 |
| JP2014188573A (ja) * | 2013-03-28 | 2014-10-06 | Jfe Steel Corp | レールの製造方法 |
| CN109182715A (zh) * | 2018-09-19 | 2019-01-11 | 武汉钢铁有限公司 | 钢轨在线热处理平直度控制方法 |
| EP3597780A4 (en) * | 2017-03-15 | 2020-01-22 | JFE Steel Corporation | COOLING DEVICE AND MANUFACTURING METHOD FOR RAIL |
-
1986
- 1986-11-04 JP JP26234786A patent/JPS63114923A/ja active Granted
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03104824A (ja) * | 1989-09-20 | 1991-05-01 | Nippon Steel Corp | 長尺溶接レールの熱処理法 |
| KR100339894B1 (ko) * | 2000-01-31 | 2002-06-10 | 백창기 | 열처리 레일의 방청장치 |
| US7828917B2 (en) * | 2004-01-09 | 2010-11-09 | Nippon Steel Corporation | Rail manufacturing method |
| JP2011073063A (ja) * | 2004-01-09 | 2011-04-14 | Nippon Steel Corp | レールの製造方法 |
| JP2006336043A (ja) * | 2005-05-31 | 2006-12-14 | Mine Seisakusho:Kk | 特殊断面レールの連続頭部硬化熱処理方法及び熱処理装置 |
| JP4675681B2 (ja) * | 2005-05-31 | 2011-04-27 | 株式会社峰製作所 | 特殊断面レールの連続頭部硬化熱処理方法及び熱処理装置 |
| WO2013115364A1 (ja) * | 2012-02-02 | 2013-08-08 | Ｊｆｅスチール株式会社 | レール冷却方法およびレール冷却装置 |
| WO2013114600A1 (ja) * | 2012-02-02 | 2013-08-08 | Ｊｆｅスチール株式会社 | レール冷却方法およびレール冷却装置 |
| US9988696B2 (en) | 2012-02-02 | 2018-06-05 | Jfe Steel Corporation | Rail cooling method and rail cooling device |
| US10100380B2 (en) | 2012-02-02 | 2018-10-16 | Jfe Steel Corporation | Rail cooling device |
| JP2014188573A (ja) * | 2013-03-28 | 2014-10-06 | Jfe Steel Corp | レールの製造方法 |
| EP3597780A4 (en) * | 2017-03-15 | 2020-01-22 | JFE Steel Corporation | COOLING DEVICE AND MANUFACTURING METHOD FOR RAIL |
| US11453929B2 (en) * | 2017-03-15 | 2022-09-27 | Jfe Steel Corporation | Cooling device and production method for rail |
| CN109182715A (zh) * | 2018-09-19 | 2019-01-11 | 武汉钢铁有限公司 | 钢轨在线热处理平直度控制方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0366371B2 (ko) | 1991-10-17 |
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