板坯连铸机大包加盖装置设计研究
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摘要
随着我国市场经济的不断发展,用户对钢材质量提出了越来越高的要求。为了更好地适应这种要求,提高铸坯质量成为提高钢材产品质量的前提,也是提高产品竞争力的重要保证。在对某钢厂1#板坯连铸机的改造过程中,对连铸坯质量和板坯连铸机设备自动化程度提出了更高的要求,已经迫切需要对大包回转台增设加盖装置以实现自动加盖和揭盖作业。
通过对国内外相关资料的查阅和连铸设备的调研,基于功能分析法并结合该板坯连铸机大包回转台实际结构特点,进行加盖装置的方案设计,并基于机械——环境关系的设计原则对设计方案进行优化,将回转转臂式加盖结构确定为该板坯连铸机大包回转台大包加盖最佳方案。使用Pro/E软件对回转台进行建模,并利用Pro/E组件Mechanica分别依据各种工作情况对回转转臂及回转台增设加盖装置后负荷进行了有限元受力分析。通过分析得出:回转转臂及回转平台可以承受增设加盖装置所增加的载荷。同时,对大包回转台关键部件回转大轴承进行了受力分析,结合外商提供的设计资料,得出回转轴承可以承受增设加盖装置后增加的载荷。在以上分析基础上得出大包回转台增设加盖装置方案是可行的。
根据确立的加盖装置设计方案,完成了加盖装置转臂、加盖装置底座、支架、旋转轴承、升降液压油缸、旋转液压油缸、防护板等加盖装置零部件的设计,同时对原大包回转台门架进行了改造,以满足加盖装置的安装要求。使用Pro/E软件完成了加盖装置零部件及总装图设计。最终确定了大包回转台增设加盖装置总体方案。
利用运动仿真软件对设计的加盖装置进行机构运动学分析,结果表明设计的大包回转台加盖装置满足设计运动要求,作业过程中加盖装置机构无干涉、卡死等现象。
利用Pro/E软件对加盖装置的重要部件转臂进行了参数优化设计。以重量作为优化指标,以加盖装置上下盖板、左右腹板厚度作为优化设计的设计参数,保证转臂最大应力在合理范围的基础上,尽量减轻加盖装置的重量,以求的应力和总质量的一个合理的平衡。经过优化设计分析得出:大包加盖装置臂上下板厚10mm,左右腹板厚度12.5mm,优化后总质量为645.25kg,总应力为36.51MPa。
本文通过现代设计方法完成了某钢厂1#板坯连铸机大包回转台加盖装置的设计工作,对该板坯连铸机的技术改造具有重要参考意义。
The requirement on steel quality by the consumers is higher and higher pacing with the economical development of Chinese market. In order to better adapt to such an environment, improving the slab die-casting quality becomes into the fundamental element of improving the quality of steel products, and an important guarantee in improving the competitive capacity of products. During the modification process on Panzhihua 1# Iron and Steel Slab Continuous Casting Machine, a higher degree of automation requirement has been risen on the modification on Pangang 1# Slab Caster as well. The necessity for additional large ladle turret stamping device became a must on turning out the adding and stamping transaction to the reality in production.
According to the analysis and research on home and abroad references about Continuous Casting Machine, and according to the functional analysis on structural characteristics of Panzhihua 1# Iron and Steel slab continuous casting machine large ladle turret, the stamping device design is proceeded. Based on the mechanical and environmental relation theory, the designing device was being advanced. The rotating arm stamping contracture is the best device on adding huge bag on the Steel Slab Continuous Casting Machine. By using Pro/E software turret in modeling and use Pro/E Mechanical based on the various components work on the arm and rotating turret additional stamping devices forecast load, the finite element analysis was done. The conclusion was drawn after analysis that rotating arm and rotating platform can bear additional stamping devices increased load. At the same time, large ladle turret key parts slewing bearings were calculated with foreign suppliers, the design of information, calculated bearings stamping device can withstand additional load forecast. Comprehensive analysis concluded that large ladle turret additional stamping device is feasible.
The adding components of rotating arm, installation base, frame, rotating bearings, hydraulic lifting, rotating hydraulic, and the protective plate stamping devices were all completed based on the established stamping device design. Meanwhile, the modification was done on the original large ladle turret Gantry to content with requirements by adding components. The stamping installation design and the whole assembling device design were completed by Pro/E software. The stamping device design was completed and confirmed.
By the virtual software, mechanical hydraulically study was done stamping device design, and the result identifies that huge bag rotating platform stamping device is contenting with moving and transacting environment. No interference or blocking incidents happened on the stamping device during the transaction process.
Take the weight as the standard in advancing, and take the thickness of the up and down stamping platform and the right and left belly platform as the parameter , and base on the reasonable territory of ensuring the rotating arm's production stress, the weight was most efficiently lighted to keep the stress and whole weight are in a certain balance. After optimized design analysis, the final conclusion is that the thickness of huge bag stamping rotating arm of up and down platform is 10mm ,the thickness of right and left belly platform is 12.5mm and the whole weight is 645.25kg. The whole stress is 36.51Mpa.
This issue is significant on the modification project of Pangang 1# Steel slab continuous casting machine through modern design method. And it is an important issue for advancing the technology of this Continuous Casting Machine.
通过对国内外相关资料的查阅和连铸设备的调研,基于功能分析法并结合该板坯连铸机大包回转台实际结构特点,进行加盖装置的方案设计,并基于机械——环境关系的设计原则对设计方案进行优化,将回转转臂式加盖结构确定为该板坯连铸机大包回转台大包加盖最佳方案。使用Pro/E软件对回转台进行建模,并利用Pro/E组件Mechanica分别依据各种工作情况对回转转臂及回转台增设加盖装置后负荷进行了有限元受力分析。通过分析得出:回转转臂及回转平台可以承受增设加盖装置所增加的载荷。同时,对大包回转台关键部件回转大轴承进行了受力分析,结合外商提供的设计资料,得出回转轴承可以承受增设加盖装置后增加的载荷。在以上分析基础上得出大包回转台增设加盖装置方案是可行的。
根据确立的加盖装置设计方案,完成了加盖装置转臂、加盖装置底座、支架、旋转轴承、升降液压油缸、旋转液压油缸、防护板等加盖装置零部件的设计,同时对原大包回转台门架进行了改造,以满足加盖装置的安装要求。使用Pro/E软件完成了加盖装置零部件及总装图设计。最终确定了大包回转台增设加盖装置总体方案。
利用运动仿真软件对设计的加盖装置进行机构运动学分析,结果表明设计的大包回转台加盖装置满足设计运动要求,作业过程中加盖装置机构无干涉、卡死等现象。
利用Pro/E软件对加盖装置的重要部件转臂进行了参数优化设计。以重量作为优化指标,以加盖装置上下盖板、左右腹板厚度作为优化设计的设计参数,保证转臂最大应力在合理范围的基础上,尽量减轻加盖装置的重量,以求的应力和总质量的一个合理的平衡。经过优化设计分析得出:大包加盖装置臂上下板厚10mm,左右腹板厚度12.5mm,优化后总质量为645.25kg,总应力为36.51MPa。
本文通过现代设计方法完成了某钢厂1#板坯连铸机大包回转台加盖装置的设计工作,对该板坯连铸机的技术改造具有重要参考意义。
The requirement on steel quality by the consumers is higher and higher pacing with the economical development of Chinese market. In order to better adapt to such an environment, improving the slab die-casting quality becomes into the fundamental element of improving the quality of steel products, and an important guarantee in improving the competitive capacity of products. During the modification process on Panzhihua 1# Iron and Steel Slab Continuous Casting Machine, a higher degree of automation requirement has been risen on the modification on Pangang 1# Slab Caster as well. The necessity for additional large ladle turret stamping device became a must on turning out the adding and stamping transaction to the reality in production.
According to the analysis and research on home and abroad references about Continuous Casting Machine, and according to the functional analysis on structural characteristics of Panzhihua 1# Iron and Steel slab continuous casting machine large ladle turret, the stamping device design is proceeded. Based on the mechanical and environmental relation theory, the designing device was being advanced. The rotating arm stamping contracture is the best device on adding huge bag on the Steel Slab Continuous Casting Machine. By using Pro/E software turret in modeling and use Pro/E Mechanical based on the various components work on the arm and rotating turret additional stamping devices forecast load, the finite element analysis was done. The conclusion was drawn after analysis that rotating arm and rotating platform can bear additional stamping devices increased load. At the same time, large ladle turret key parts slewing bearings were calculated with foreign suppliers, the design of information, calculated bearings stamping device can withstand additional load forecast. Comprehensive analysis concluded that large ladle turret additional stamping device is feasible.
The adding components of rotating arm, installation base, frame, rotating bearings, hydraulic lifting, rotating hydraulic, and the protective plate stamping devices were all completed based on the established stamping device design. Meanwhile, the modification was done on the original large ladle turret Gantry to content with requirements by adding components. The stamping installation design and the whole assembling device design were completed by Pro/E software. The stamping device design was completed and confirmed.
By the virtual software, mechanical hydraulically study was done stamping device design, and the result identifies that huge bag rotating platform stamping device is contenting with moving and transacting environment. No interference or blocking incidents happened on the stamping device during the transaction process.
Take the weight as the standard in advancing, and take the thickness of the up and down stamping platform and the right and left belly platform as the parameter , and base on the reasonable territory of ensuring the rotating arm's production stress, the weight was most efficiently lighted to keep the stress and whole weight are in a certain balance. After optimized design analysis, the final conclusion is that the thickness of huge bag stamping rotating arm of up and down platform is 10mm ,the thickness of right and left belly platform is 12.5mm and the whole weight is 645.25kg. The whole stress is 36.51Mpa.
This issue is significant on the modification project of Pangang 1# Steel slab continuous casting machine through modern design method. And it is an important issue for advancing the technology of this Continuous Casting Machine.
引文
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[3]张兴中,倪满森.连铸技术的发展状况及高效连铸[J].中国冶金,2003(3):17-20,35.
[4]张成元,郑林.我国连铸技术的发展[J].山西冶金,2007(02):10-12.
[5]George E.Totten,Kiyoshi Funatani,Lin Xie.Handbook of Metallurgical Process Design[M].Marcel Dekker Ltd,2004.
[6]D Mazumdar,RIL Guthrie.The physical and mathematical modelling of continuous casting tundish systems.ISIJ International(Japan),1999.
[7]章仲禹.水平连续铸钢机结晶器的设计[J].冶金设备,1988(02):22-24.
[8]曹悦霞,杨晓江.结晶器振动技术的发展[J].河北冶金,2002(06):20-21.
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[10]J Herbertson,QL He,P Flint,RB Mahapatra.Modelling of metal delivery to continuous casting moulds[J],RB Mahapatra Continuous Casting,1997(9).
[11]WR Irving.Continuous Casting of Steel.The Institute of Materials(UK),1993.
[12]A Ohno,Continuous Casting of Single Crystal Ingots by the OCC Process.J.Met.,Jan.1986.
[13]P.Campbell,W.Blejde,R.Mahapatra,R.Wechsler.Recent progress on commercialization of castrip direct strip casting technology at Nucor Crawfordsville[J],Metallurgist,Oct,2004.
[14]潘秀兰,李震,王艳红,梁慧智.近终形连铸技术的最新进展[J].冶金信息导刊,2007(02):19-21.
[15]梁小平,潘复生,丁培道,徐楚韶.近终形连铸技术的现状及发展趋势[J].材料导报,1996(04):12-15.
[16]A.Jungbauer,A.Flick,H.Willeit.VAI's Caster Performance in the Growing Chinese Steel Market.Processing&Technology 2005(5):17-22.
[17]郑群.奥钢联与西马克板坯连铸机新技术的发展与研究[J].上海宝钢工程设计,2001(3):15-21.
[18]Morwald K..Innovation as a Key Factor for the Ongoing Success of VAI's Continuous Casting Technology[J],CCR'2004.
[19]北京钢铁设计研究院编.小方坯连铸[M],冶金工业出版社,1985.
[20]北京钢铁学院编.炼钢机械[M],冶金工业出版社,1985.
[21]A.Jungbauer.奥钢联连铸机在中国钢铁市场的表现[J].工艺技术,2006(1):17-22.
[22]X Huang,BG Thomas,FM Najjar.Modeling Superheat Removal During Continuous Casting of Steel Slabs.Metallurgical Transactions B(USA),1992.
[23]E Takeuchi,JK Brimacombe.The Formation of Oscillation Marks in the Continuous Casting of Steel Slabs.Metall.Trans.B,1984.
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