JP4065260B2 - テーパー鋼管の製造方法 - Google Patents
テーパー鋼管の製造方法 Download PDFInfo
- Publication number
- JP4065260B2 JP4065260B2 JP2004205811A JP2004205811A JP4065260B2 JP 4065260 B2 JP4065260 B2 JP 4065260B2 JP 2004205811 A JP2004205811 A JP 2004205811A JP 2004205811 A JP2004205811 A JP 2004205811A JP 4065260 B2 JP4065260 B2 JP 4065260B2
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- Prior art keywords
- steel pipe
- temperature
- processing
- heating device
- temperature drop
- 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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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Description
2 レール
3 レール
4 台車
5 台車
6 回転軸
7 回転軸
8 走行用モータ
9 駆動用モータ
10 加工ロール
12 加熱装置
13 受け台
14 受け台
15 受け台
16 温度検出手段
17 温度検出手段
18 演算手段
Claims (1)
- 鋼管を回転させながら軸線方向に移動させ、加熱装置により加熱したうえ加工ロールによりテーパー状に絞り加工を行うテーパー鋼管の製造方法において、少なくとも加熱装置の出側と加工ロール直前とに温度検出手段を設置して加熱装置から加工位置までの鋼管の温度降下量を実測し、この実測された温度降下量が、加工条件に応じて鋼管の長手方向にステップ的に変化させて設定された温度降下定数から演算された温度降下量と一致するように加熱装置の出力を調整しつつ絞り加工を行うことを特徴とするテーパー鋼管の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004205811A JP4065260B2 (ja) | 2004-07-13 | 2004-07-13 | テーパー鋼管の製造方法 |
US11/179,898 US7296450B2 (en) | 2004-07-12 | 2005-07-11 | Apparatus and method for production of tapered steel pipe |
TW094123368A TWI279264B (en) | 2004-07-12 | 2005-07-11 | An apparatus for manufacturing of tapered pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004205811A JP4065260B2 (ja) | 2004-07-13 | 2004-07-13 | テーパー鋼管の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006026658A JP2006026658A (ja) | 2006-02-02 |
JP4065260B2 true JP4065260B2 (ja) | 2008-03-19 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004205811A Active JP4065260B2 (ja) | 2004-07-12 | 2004-07-13 | テーパー鋼管の製造方法 |
Country Status (1)
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JP (1) | JP4065260B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102553964A (zh) * | 2011-12-31 | 2012-07-11 | 山东崇盛冶金氧枪有限公司 | 金属锥度管的加工方法及其成型机 |
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2004
- 2004-07-13 JP JP2004205811A patent/JP4065260B2/ja active Active
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Publication number | Publication date |
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JP2006026658A (ja) | 2006-02-02 |
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