JP6102860B2 - マンドレルバーの製造装置列及び製造方法 - Google Patents
マンドレルバーの製造装置列及び製造方法 Download PDFInfo
- Publication number
- JP6102860B2 JP6102860B2 JP2014167237A JP2014167237A JP6102860B2 JP 6102860 B2 JP6102860 B2 JP 6102860B2 JP 2014167237 A JP2014167237 A JP 2014167237A JP 2014167237 A JP2014167237 A JP 2014167237A JP 6102860 B2 JP6102860 B2 JP 6102860B2
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- Prior art keywords
- mandrel bar
- bar
- cooling
- mandrel
- tempering temperature
- 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.)
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- 238000004519 manufacturing process Methods 0.000 title claims description 30
- 238000001816 cooling Methods 0.000 claims description 77
- 238000005496 tempering Methods 0.000 claims description 48
- 239000000463 material Substances 0.000 claims description 38
- 239000003507 refrigerant Substances 0.000 claims description 6
- 239000011265 semifinished product Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 30
- 239000010959 steel Substances 0.000 description 30
- 238000005096 rolling process Methods 0.000 description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 238000000034 method Methods 0.000 description 19
- 230000035882 stress Effects 0.000 description 18
- 239000003595 mist Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 239000002436 steel type Substances 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 230000008646 thermal stress Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 229910000851 Alloy steel Inorganic materials 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 150000001247 metal acetylides Chemical class 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 238000007545 Vickers hardness test Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007542 hardness measurement Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Images
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- Extrusion Of Metal (AREA)
- Heat Treatment Of Articles (AREA)
Description
2 ロール(孔型ロール)
3 ロールフランジ部
4 ロール下死点
5 被圧延材
6 引張応力発生部
10 バー素材
20 焼戻し炉
22 加速冷却装置
Claims (3)
- マンドレルバー形状の半製品であるバー素材を焼戻し温度に加熱し、引続き100℃以下まで加速冷却してマンドレルバーとなすマンドレルバーの製造装置列であって、前記バー素材を焼戻し温度に加熱する焼戻し炉と、該焼戻し炉から抽出したバー素材の前記焼戻し温度から100℃までの冷却速度を10.0℃/分以上35℃/分以下にする冷媒吹付け方式の加速冷却装置とをこの順に配置したことを特徴とするマンドレルバーの製造装置列。
- 前記加速冷却装置が前記バー素材を軸心の周りに回転させるターニングローラを具備することを特徴とする請求項1に記載のマンドレルバーの製造装置列。
- マンドレルバー形状の半製品であるバー素材を焼戻し温度に加熱し、引続き100℃以下まで冷却してマンドレルバーとなすマンドレルバーの製造方法において、請求項1または2に記載の製造装置列を用いて前記焼戻し温度から100℃までの冷却速度を10.0℃/分以上35℃/分以下にする加速冷却を行うことを特徴とするマンドレルバーの製造方法。
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JP2014167237A JP6102860B2 (ja) | 2014-08-20 | 2014-08-20 | マンドレルバーの製造装置列及び製造方法 |
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JP2014167237A JP6102860B2 (ja) | 2014-08-20 | 2014-08-20 | マンドレルバーの製造装置列及び製造方法 |
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JP2016043364A JP2016043364A (ja) | 2016-04-04 |
JP6102860B2 true JP6102860B2 (ja) | 2017-03-29 |
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JP2014167237A Active JP6102860B2 (ja) | 2014-08-20 | 2014-08-20 | マンドレルバーの製造装置列及び製造方法 |
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JP (1) | JP6102860B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6473720B2 (ja) * | 2016-08-23 | 2019-02-20 | 株式會社三共合金鑄造所 | 赤熱コークス搬送バケット用ライナー材及びその製造方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63235491A (ja) * | 1987-03-23 | 1988-09-30 | Sumitomo Metal Ind Ltd | 熱間押出用工具の製造方法 |
IT1403689B1 (it) * | 2011-02-07 | 2013-10-31 | Dalmine Spa | Tubi in acciaio ad alta resistenza con eccellente durezza a bassa temperatura e resistenza alla corrosione sotto tensioni da solfuri. |
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