10020t—225m桥式起重机箱型主梁的结构和焊接工艺设计及WCAPP系统浅析.docx
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1、郑州大学毕业设计(论文)题 目:100/20t桥式起重机箱型主梁的结构和焊接工艺设计及WCAPP系统浅析The Structure and Welding Process Design for TheBox-main-beam of 100t-22.5m Overhead Craneand a Brief Analysis for The WCAPP System指导教师:李老师 职称: 教授学生姓名:XXX 学号:200XXXXXXX专 业:材料成型与控制院(系):材料科学与工程学院完成时间:2013年5月30日摘要本文以许用应力法为准则,通过严谨的计算完成了 100/20-m桥式起重机箱型
2、主梁的结构设计和焊接工艺设计,并初步分析、设计了桥式起重机箱型主梁的WCAPP系统的总体结构。主梁的结构设计部分,主要是通过对载荷和内力的计算分析,确定主梁的基本尺寸长X宽X高=22500?mX700?mX l6Q0mm,再根据基本尺寸得到几何特性,最后来验算主的AbstractUsing the principe of the allowable stress method, the structure design and the weldingprocess design for the box-main-beam of 100t一22.5m overhead crane have be
3、en completed yourigorous calculation in this paper, and the overall structure framework of the WCAPP system forthe box-main-beam of overhead crane has been preliminary design .In the part of structure design of main-beam, the load on the main-beam and the internalforce have been calculated and analy
4、zed, then designed the basic size of main-beam, identifiedthe L W H=22500n 700mm 1600/n/n , The thickness of the cover-plate is =22mm,and the thickness of the web-plate is t= 10mm. then we can calculate the geometriccharacteristics of the basic dimensions of the main-beam , and completed checking th
5、e strengthand stiffness and stability of main-beam. Calculate the main beam stability, simply set transversereinforcement, the number of large ribs are fifteen and the small ribs are thirty But also on theweld design calculations, Finalize the web-plate and cover-plates four longitudinal seam fillet
6、size is K = 8mm, the ribs and webs and cover fillet size is Ki = 5mm .In the part of welding manufacturing technology design, completed the technology designfor series of process form blanking to welding, choose the CNC plasma cutting machine to cut.At first we should assembleddoor shape, and then i
7、nstall the under the cover-plate. Select thesubmerged arc welding for web-plate and cover-plate splicing. In addition, the tendons panelwelding selection of CO2 gas shielded arc welding. Choosing automatic submerged arc weldingfor four longitudinal weld, Gantry two-head welder while welding two long
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- 10020 225 桥式起重机 箱型主梁 结构 焊接 工艺 设计 WCAPP 系统 浅析