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The Φ7.3 mm wire rod without drawing for high-speed wire rod is rolled successfully by reasonable roll pass and guide designs as well as optimization of control process aiming at the individual requirements of it in market combining with the characteristics of the fifth-generation Morgan high-speed wire rod mill. As a result, the usage requirements of users could be satisfied very well and product mix of the fifth-generation Morgan high-speed wire rod mill is widened, which could provide the references for developing like products subsequently as well as a brand new market is exploited and the green production in the whole process of industry is realized.
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针对市场对Φ7.3 mm规格免拉拔线材盘条的个性化需求,结合摩根五代高速线材轧机的特点,通过合理的孔型设计、导卫设计以及控制工艺的优化,实现了Φ7.3 mm规格高速线材免拉拔盘条的成功轧制,能够很好地满足用户使用需求,拓宽了摩根五代高速线材轧机产品大纲,为后续类似产品开发提供了参考。开拓了全新的市场,实现产业全流程的绿色生产。
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雷 虎(1974-),男,河南省潢川县人,高级工程师,现从事轧钢工艺管理工作。
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雷 虎(1974-),男,河南省潢川县人,高级工程师,现从事轧钢工艺管理工作。
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雷 虎(1974-),男,河南省潢川县人,高级工程师,现从事轧钢工艺管理工作。
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型钢孔型设计[M]. 北京: 冶金工业出版社,
2005., articleTitle=null, refAbstract=null), Reference(id=1200024823104635690, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810037951595215, doi=null, pmid=null, pmcid=null, year=2006, volume=28, issue=6, pageStart=25, pageEnd=27, url=null, language=null, rfNumber=[3], rfOrder=2, authorNames=李泽光, 郝莉, 倪枫, journalName=山东冶金, refType=null, unstructuredReference=李泽光, 郝莉, 倪枫, 等. 微张力控制在高速线材生产中的应用[J].
山东冶金,
2006,
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| 要求 | 直径范围 | 尺寸精度 | 椭圆度 |
| GB/T 14981—2009 C级 | 5.5~10.5 | ±0.15 | ≤0.24 |
| 用户目标预期 | 7.3 | ±0.15 | ≤0.20 |
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Φ7.3 mm规格产品尺寸精度 mm
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| 要求 | 直径范围 | 尺寸精度 | 椭圆度 |
| GB/T 14981—2009 C级 | 5.5~10.5 | ±0.15 | ≤0.24 |
| 用户目标预期 | 7.3 | ±0.15 | ≤0.20 |
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| 道次 | 截面面积
/mm2 | 延伸系数 | 孔型宽度
/mm | 孔型高度
/mm | 辊缝
/mm |
| 1 | 17 361 | 1.296 | 170.43 | 111.5 | 19.5 |
| 2 | 13 541 | 1.282 | 127.00 | 121.0 | 18.0 |
| 3 | 9 750 | 1.389 | 175.30 | 78.5 | 10.5 |
| 4 | 7 605 | 1.282 | 105.00 | 98.4 | 14.4 |
| 5 | 5 476 | 1.389 | 133.00 | 56.5 | 10.5 |
| 6 | 4 271 | 1.282 | 79.00 | 74.0 | 12.0 |
| 7 | 3 117 | 1.370 | 99.80 | 44.0 | 6.0 |
| 8 | 2 398 | 1.300 | 60.50 | 54.5 | 6.5 |
| 9 | 1 800 | 1.332 | 75.80 | 33.1 | 5.5 |
| 10 | 1 439 | 1.250 | 46.10 | 43.6 | 5.0 |
| 11 | 1 142 | 1.260 | 55.60 | 27.8 | 5.0 |
| 12 | 959 | 1.190 | 34.40 | 36.7 | 5.5 |
| 13 | 745 | 1.287 | 46.60 | 21.0 | 4.7 |
| 14 | 600 | 1.242 | 26.90 | 28.1 | 5.4 |
| 15 | 478 | 1.255 | 35.87 | 17.2 | 4.7 |
| 16 | 393 | 1.216 | 21.30 | 22.8 | 4.6 |
| 17 | 320 | 1.228 | 27.20 | 14.4 | 3.5 |
| 18 | 270 | 1.143 | 17.90 | 18.5 | 3.0 |
| 19 | 空过 |
| 20 | 空过 |
| 21 | 195.55 | 1.380 | 24.90 | 11.60 | 1.20 |
| 22 | 163.23 | 1.198 | 14.89 | 14.65 | 1.45 |
| 23 | 127.92 | 1.276 | 20.00 | 9.40 | 1.00 |
| 24 | 104.68 | 1.222 | 12.23 | 11.55 | 0.85 |
| 25 | 80.28 | 1.304 | 16.32 | 7.20 | 0.80 |
| 26 | 65.69 | 1.222 | 9.42 | 9.15 | 0.65 |
| 27 | 51.20 | 1.283 | 13.36 | 5.50 | 0.70 |
| 28 | 41.83 | 1.224 | 7.55 | 7.30 | 0.80 |
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26道次Φ7.3 mm规格各道次参数
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| 道次 | 截面面积
/mm2 | 延伸系数 | 孔型宽度
/mm | 孔型高度
/mm | 辊缝
/mm |
| 1 | 17 361 | 1.296 | 170.43 | 111.5 | 19.5 |
| 2 | 13 541 | 1.282 | 127.00 | 121.0 | 18.0 |
| 3 | 9 750 | 1.389 | 175.30 | 78.5 | 10.5 |
| 4 | 7 605 | 1.282 | 105.00 | 98.4 | 14.4 |
| 5 | 5 476 | 1.389 | 133.00 | 56.5 | 10.5 |
| 6 | 4 271 | 1.282 | 79.00 | 74.0 | 12.0 |
| 7 | 3 117 | 1.370 | 99.80 | 44.0 | 6.0 |
| 8 | 2 398 | 1.300 | 60.50 | 54.5 | 6.5 |
| 9 | 1 800 | 1.332 | 75.80 | 33.1 | 5.5 |
| 10 | 1 439 | 1.250 | 46.10 | 43.6 | 5.0 |
| 11 | 1 142 | 1.260 | 55.60 | 27.8 | 5.0 |
| 12 | 959 | 1.190 | 34.40 | 36.7 | 5.5 |
| 13 | 745 | 1.287 | 46.60 | 21.0 | 4.7 |
| 14 | 600 | 1.242 | 26.90 | 28.1 | 5.4 |
| 15 | 478 | 1.255 | 35.87 | 17.2 | 4.7 |
| 16 | 393 | 1.216 | 21.30 | 22.8 | 4.6 |
| 17 | 320 | 1.228 | 27.20 | 14.4 | 3.5 |
| 18 | 270 | 1.143 | 17.90 | 18.5 | 3.0 |
| 19 | 空过 |
| 20 | 空过 |
| 21 | 195.55 | 1.380 | 24.90 | 11.60 | 1.20 |
| 22 | 163.23 | 1.198 | 14.89 | 14.65 | 1.45 |
| 23 | 127.92 | 1.276 | 20.00 | 9.40 | 1.00 |
| 24 | 104.68 | 1.222 | 12.23 | 11.55 | 0.85 |
| 25 | 80.28 | 1.304 | 16.32 | 7.20 | 0.80 |
| 26 | 65.69 | 1.222 | 9.42 | 9.15 | 0.65 |
| 27 | 51.20 | 1.283 | 13.36 | 5.50 | 0.70 |
| 28 | 41.83 | 1.224 | 7.55 | 7.30 | 0.80 |
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半径Rg
/mm | 辊缝S
/mm | 槽深Hd
/mm | 槽宽Bg
/mm | 开口角A
/(°) |
| 3.65 | 1.0 | 3.15 | 7.45 | 140 |
), ArticleFig(id=1200024822102197019, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810037951595215, language=CN, label=表3, caption=
Φ7.3 mm规格成品孔型尺寸参数
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半径Rg
/mm | 辊缝S
/mm | 槽深Hd
/mm | 槽宽Bg
/mm | 开口角A
/(°) |
| 3.65 | 1.0 | 3.15 | 7.45 | 140 |
), ArticleFig(id=1200024822198666011, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810037951595215, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 架次 | 新设计开口度/mm |
| 2 | 111.5 |
| 4 | 78.5 |
| 6 | 56.5 |
| 8 | 44.0 |
| 10 | 34.7 |
| 12 | 30.0 |
| 14 | 25.0 |
| 16 | 20.7 |
| 18 | 16.7 |
| 20 | 空过 |
| 22 | 11.94 |
| 24 | 9.72 |
| 26 | 7.54 |
| 28 | 5.55 |
), ArticleFig(id=1200024822374826783, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810037951595215, language=CN, label=表4, caption=
26道次Φ7.3 mm规格各架次滚动导卫导辊开口度参数
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| 架次 | 新设计开口度/mm |
| 2 | 111.5 |
| 4 | 78.5 |
| 6 | 56.5 |
| 8 | 44.0 |
| 10 | 34.7 |
| 12 | 30.0 |
| 14 | 25.0 |
| 16 | 20.7 |
| 18 | 16.7 |
| 20 | 空过 |
| 22 | 11.94 |
| 24 | 9.72 |
| 26 | 7.54 |
| 28 | 5.55 |
), ArticleFig(id=1200024822462907168, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810037951595215, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 位置 | 最大外径
/mm | 最小外径
/mm | 椭圆度
/mm | 尺寸
等级 |
| 1 | 头 | 7.43 | 7.24 | 0.19 | C |
| 中 | 7.41 | 7.26 | 0.15 | C |
| 尾 | 7.42 | 7.23 | 0.19 | C |
| 2 | 头 | 7.44 | 7.25 | 0.19 | C |
| 中 | 7.42 | 7.27 | 0.15 | C |
| 尾 | 7.43 | 7.24 | 0.19 | C |
| 3 | 头 | 7.41 | 7.24 | 0.17 | C |
| 中 | 7.40 | 7.22 | 0.18 | C |
| 尾 | 7.42 | 7.23 | 0.19 | C |
| 4 | 头 | 7.42 | 7.23 | 0.19 | C |
| 中 | 7.39 | 7.20 | 0.19 | C |
| 尾 | 7.40 | 7.21 | 0.19 | C |
| 5 | 头 | 7.40 | 7.22 | 0.18 | C |
| 中 | 7.38 | 7.21 | 0.17 | C |
| 尾 | 7.41 | 7.23 | 0.18 | C |
), ArticleFig(id=1200024822550987554, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1199810037951595215, language=CN, label=表5, caption=
成品尺寸测量
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| 序号 | 位置 | 最大外径
/mm | 最小外径
/mm | 椭圆度
/mm | 尺寸
等级 |
| 1 | 头 | 7.43 | 7.24 | 0.19 | C |
| 中 | 7.41 | 7.26 | 0.15 | C |
| 尾 | 7.42 | 7.23 | 0.19 | C |
| 2 | 头 | 7.44 | 7.25 | 0.19 | C |
| 中 | 7.42 | 7.27 | 0.15 | C |
| 尾 | 7.43 | 7.24 | 0.19 | C |
| 3 | 头 | 7.41 | 7.24 | 0.17 | C |
| 中 | 7.40 | 7.22 | 0.18 | C |
| 尾 | 7.42 | 7.23 | 0.19 | C |
| 4 | 头 | 7.42 | 7.23 | 0.19 | C |
| 中 | 7.39 | 7.20 | 0.19 | C |
| 尾 | 7.40 | 7.21 | 0.19 | C |
| 5 | 头 | 7.40 | 7.22 | 0.18 | C |
| 中 | 7.38 | 7.21 | 0.17 | C |
| 尾 | 7.41 | 7.23 | 0.18 | C |
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