JP4543372B2 - 鋼管のねじ切削方法 - Google Patents
鋼管のねじ切削方法 Download PDFInfo
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- JP4543372B2 JP4543372B2 JP2004136819A JP2004136819A JP4543372B2 JP 4543372 B2 JP4543372 B2 JP 4543372B2 JP 2004136819 A JP2004136819 A JP 2004136819A JP 2004136819 A JP2004136819 A JP 2004136819A JP 4543372 B2 JP4543372 B2 JP 4543372B2
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- Prior art keywords
- cutting
- blade
- steel pipe
- cut
- chaser
- Prior art date
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- 238000005520 cutting process Methods 0.000 title claims description 177
- 229910000831 Steel Inorganic materials 0.000 title claims description 69
- 239000010959 steel Substances 0.000 title claims description 69
- 238000000034 method Methods 0.000 title claims description 21
- 239000000463 material Substances 0.000 description 10
- 229910000975 Carbon steel Inorganic materials 0.000 description 4
- 239000010962 carbon steel Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Description
S≦5.68×10−1×B−6.76×10−2×H−1.12×10−5×V2−1.68×10−2×C−5.82×10−1 ・・・(1)
0.2×B≦r≦0.5×B ・・・(2)
換言すれば、式(1)の右辺で計算される値を上限とした平均切削面積Sで切削することを特徴としている。
S≦5.68×10−1×B−6.76×10−2×H−1.12×10−5×V2−1.68×10−2×C−5.82×10−1 ・・・(1)
0.2×B≦r≦0.5×B ・・・(2)
C1、C2・・・刃部
P・・・鋼管
Claims (2)
- ねじを切削するための複数の刃部が設けられたチェザーを用いて鋼管をねじ切削する方法であって、
刃部の平均切削面積をS(mm2)、仕上げ切削用刃部の幅をB(mm)、仕上げ切削用刃部の高さをH(mm)、切削速度をV(m/min)、被切削鋼管のCr含有量をC(%)とした場合、以下の式(1)を満足する条件で切削することを特徴とする鋼管のねじ切削方法。
S≦5.68×10−1×B−6.76×10−2×H−1.12×10−5×V2−1.68×10−2×C−5.82×10−1 ・・・(1) - チェザーに設けられた複数の刃部の内、切削方向から見た最初の切削用刃部の刃先コーナー部の曲率半径をr(mm)とした場合、以下の式(2)を満足するチェザーで切削することを特徴とする請求項1に記載の鋼管のねじ切削方法。
0.2×B≦r≦0.5×B ・・・(2)
Priority Applications (1)
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---|---|---|---|
JP2004136819A JP4543372B2 (ja) | 2004-04-30 | 2004-04-30 | 鋼管のねじ切削方法 |
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JP2004136819A JP4543372B2 (ja) | 2004-04-30 | 2004-04-30 | 鋼管のねじ切削方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005313306A JP2005313306A (ja) | 2005-11-10 |
JP4543372B2 true JP4543372B2 (ja) | 2010-09-15 |
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Application Number | Title | Priority Date | Filing Date |
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JP2004136819A Expired - Fee Related JP4543372B2 (ja) | 2004-04-30 | 2004-04-30 | 鋼管のねじ切削方法 |
Country Status (1)
Country | Link |
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JP (1) | JP4543372B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103406607A (zh) * | 2013-03-21 | 2013-11-27 | 昆山华辰精密工具有限公司 | 一种双面刃偏梯螺纹梳刀片 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6597038B2 (ja) * | 2015-08-07 | 2019-10-30 | 日本製鉄株式会社 | 継目無鋼管の切削加工方法 |
JP6801207B2 (ja) * | 2016-03-24 | 2020-12-16 | 日本製鉄株式会社 | 継目無鋼管の外削加工方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60197317A (ja) * | 1984-03-15 | 1985-10-05 | Sumitomo Metal Ind Ltd | 高合金油井管のねじ切削方法 |
JPH0224582Y2 (ja) * | 1982-04-06 | 1990-07-05 | ||
JPH0326433U (ja) * | 1989-01-24 | 1991-03-18 | ||
JPH0326434U (ja) * | 1989-01-24 | 1991-03-18 | ||
JPH10249643A (ja) * | 1997-03-17 | 1998-09-22 | Sumitomo Metal Ind Ltd | 鋼管テーパーねじ切削方法 |
JPH11207524A (ja) * | 1997-11-04 | 1999-08-03 | Plansee Tizit Gmbh | ねじ形成用切削工具の製造方法 |
JPH11320255A (ja) * | 1998-05-20 | 1999-11-24 | Sumitomo Metal Ind Ltd | チェザー |
JP2001030113A (ja) * | 1999-07-19 | 2001-02-06 | Sumitomo Metal Ind Ltd | テーパ付角形ねじの切削加工方法 |
-
2004
- 2004-04-30 JP JP2004136819A patent/JP4543372B2/ja not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0224582Y2 (ja) * | 1982-04-06 | 1990-07-05 | ||
JPS60197317A (ja) * | 1984-03-15 | 1985-10-05 | Sumitomo Metal Ind Ltd | 高合金油井管のねじ切削方法 |
JPH0326433U (ja) * | 1989-01-24 | 1991-03-18 | ||
JPH0326434U (ja) * | 1989-01-24 | 1991-03-18 | ||
JPH10249643A (ja) * | 1997-03-17 | 1998-09-22 | Sumitomo Metal Ind Ltd | 鋼管テーパーねじ切削方法 |
JPH11207524A (ja) * | 1997-11-04 | 1999-08-03 | Plansee Tizit Gmbh | ねじ形成用切削工具の製造方法 |
JPH11320255A (ja) * | 1998-05-20 | 1999-11-24 | Sumitomo Metal Ind Ltd | チェザー |
JP2001030113A (ja) * | 1999-07-19 | 2001-02-06 | Sumitomo Metal Ind Ltd | テーパ付角形ねじの切削加工方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103406607A (zh) * | 2013-03-21 | 2013-11-27 | 昆山华辰精密工具有限公司 | 一种双面刃偏梯螺纹梳刀片 |
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Publication number | Publication date |
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JP2005313306A (ja) | 2005-11-10 |
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