p天柱钢结构制作技术交底 钢柱.doc
《p天柱钢结构制作技术交底 钢柱.doc》由会员分享,可在线阅读,更多相关《p天柱钢结构制作技术交底 钢柱.doc(11页珍藏版)》请在三一文库上搜索。
1、Manipulator is now used as a industrial robots in use, the control objectives often appear often in industrial automation. Industrial automation technology has gradually matured, as mature a technology line has been rapid development in industrial automation as a separate subject. Manipulator applic
2、ation began to filter into welding, logistics, mechanical processing, and other industries. Especially at high or very low temperatures, full of poisonous gases, high radiation case, robot in similar circumstances showed great use also brings great convenience to the staff. Precisely because of this
3、 robot to get peoples attention began to be a high degree of development. Labor rates, working conditions, labor intensive aspects of promoting development. Both at home and abroad to develop the PLC (programmable logic controller) is in various special circumstances and under special conditions set
4、 for mechanical devices. Now turned on the development of the microelectronics automatic control technology and the rapid development of the trains, the success of PLC hardware software and simulation control win big and successful development, now continues to develop as a factory automation standa
5、rds. Because robots are good development of the technology makes a good optimization of productive capital, and robot shows this unique advantages, such as: has good compatibility, wide availability, hardware is complete, and programming that can be mastered in a short time, so in the context of ind
6、ustrial PLC applications became ubiquitous. Manipulator in many developed country agriculture and industry has been applied, such as the use of mechanical harvesting large areas of farmland, repeated operations on the high-speed line that uses a robotic arm, and so on. Today, the high level of autom
7、ation combined with restrictions on the manipulator development level is slightly lower than the international. The design is mainly arm welding machine by PLC Automation control. This of design let designers on in school by learn of has a must of consolidation, understand has some usually didnt opp
8、ortunities awareness in world range within some leading level of knowledge has has must awareness, hope designers can in yihou of design in the can success of using in this design in the proceeds of experience 1.2 manipulator in both at home and abroad of research profile automation mechanical arm r
9、esearch began Yu 20th century medium-term, after years with with computer and automation technology of development, Makes mechanical arm on the Grand stage of industrial automation and shine, gradually became an industrial evaluation standards, and its importance can be seen. Now original robotic ar
10、m spent most of mass production and use on the production line, which is programmed robotic arm. As the first generation of manipulator position control systems main features, although not back several generations that can detect the external environment, but can still successfully complete like wel
11、ding, painting, delivery as well as for materials simple movements. Second generation mechanical arms are equipped with sensors and manipulators have the environment there is a certain amount of sense, when the mechanical arm is to use the program as a basis. Difference is that the robot begand技术交底记
12、录表C2-1编 号05-C2002工程名称河北天柱钢铁集团恒泰钢铁有限公司高速线材工程交底日期2011年11月1日施工单位中国二十二冶市政公司河北天柱高线工程项目部分项工程名称主厂房及加热炉钢柱制作交底提要天柱高速线材主厂房及加热炉钢柱制作一、工程内容本工程为河北天柱钢铁集团恒泰钢铁有限公司高速线材主厂房及加热炉区钢柱工程。钢结构安装总工程量约4600吨(不含天窗和彩板)。主要施工内容为:NA列11至42线、NB列1至42线、NC列1至42线、ND列1至42线、NE列14至26线框架系统制作安装。该工程钢柱部分主要包括主厂房176根框架柱,加热炉18根框架柱钢结构制作。二、主要施工方法钢柱制作
13、工艺及技术要求 材料:所有主材及辅材应具有质量证明书,并应符合设计要求。 A.放样、号料: a.放样和号料应根据工艺要求预留制作和安装时的焊接收缩余量及切割等加工余量。 b.钢构件中各杆件的间隙,特别是缀件与钢柱连接处的间隙应按板金展开图进行放样。 c.对来料进行检尺,检查其规格、型号是否与设计图纸的要求相符,确认无误后方可号料。号料允许偏差:项 目允许偏差(mm)零件外形尺寸1.0 孔距0.5 B.切割:a.节点板用半自动切 割机剪切下料。b.气割前应将钢材切割区域表面的铁锈、污物等清除干净,气割后应清除熔渣和飞溅物。切割平台必须平整。 c.切口表面平整,不得有裂纹、重皮、毛刺、凸凹、缩口,
14、熔渣、氧化铁、铁屑等。 d.切口平面倾斜偏差为管子直径的1%,但不得超过3mm。 C.接料 a.采用二氧化碳气保焊。b.焊接材料选用:选用与母材相匹配的焊丝、焊剂。焊剂要按规定进行烘干。点粘焊条要与正式焊接相同。 D.组装 a.在平整的地板上放出实样,并进行组装,点焊要求与正式焊接相同。 b.柱的组装应遵照有关规定执行。 c.检查核实无误后,交下道工序进行焊接。 E.焊接 a.采用二氧化碳气保焊。焊缝质量应符合图纸设计要求。 b.钢柱对接时应严格保持焊后平直,焊接时除控制几何尺寸外,还应注意焊接变形的影响,焊接宜采用分段反向顺序,分段施焊应保持对称。对接间隙宜放大0.5-2.0mm,以抵消收缩
15、变形,具体数据可根据施焊结果确定。 c.钢柱与缀件焊接时,焊接次序应考虑焊接变形的影响。 F.修整a.采用火焰矫正法进行修整。b.在各工种之间或每个工序之间,必须按设计图纸进行自检和互检,并在构件上打上各自的记号。 G.组合截面柱采用自动焊接,焊缝等级应符合二级焊缝质量标准。工字形腹板盖板拼装时接口要互相错开200mm以上,与筋板错开200mm以上,拼接应采用加引弧板(其厚度和坡口与母材相同)的对接焊缝,要保证焊透。焊缝质量等级应符合二级焊缝质量标准。拼接号料时应预留焊接收缩及切割余量。拼接钢板接料坡口形式如下:H.大板切料采用半自动精密切割或数控精密切割下料,12mm以下采节点板用剪板机剪切
16、。其余亦采用半自动精密切割或数控精密切割。大板切料时应采用一定的防变形措施。切割平台必须平整。I.工字型组装前应检查上道工序提供的零件,符合标准要求后方可进行组装。连接面和沿焊缝边缘约50mm范围内的铁锈、毛刺、污物等应清除干净。组装在H型钢自动组立机上进行,由放样人员划出中心线、定位线,待检验合格后才准上机点焊固定。组装后对构件进行检查,合格后方可焊接。工字型采用龙门式H型钢自动埋弧焊机及采用埋弧自动焊进行焊接,采用合理的焊接顺序,减少焊接变形。J.工字型的角变形采用翼缘矫正机进行修整,侧弯及拱度采用火焰矫正。将修整后的工字型二次净料,并组装加劲板,检查无误后进行焊接。三、钢结构制作主要技术
17、要求项次项目允许偏差(mm)检验方法一级二级三级1对接焊缝焊缝余高(mm)b200.520.52.50.53.5用焊缝量规检查b200.530.53.50.54焊缝错边0.1且不大于20.1且不大于20.1且不大于32贴角焊缝焊缝余高(mm)k60+1.5用焊缝量规检查k60+3焊角宽(mm)k60+1.5k60+33T型接头要求焊透的K型焊缝(mm)k=/20+1.5 A.焊缝尺寸的允许偏差和检验方法:注:b为焊缝宽度;k为焊角尺寸;为母材厚度。栏杆、梯子制作技术要求:项 目允许偏差梯梁长度5.0钢梯宽度5.0钢梯安装孔距离3.0梯梁纵向挠曲矢高1/1000踏步间距5.0栏杆高度5.0栏杆立
18、柱间距10.0B.对接接头焊缝和贴角焊缝的表面质量标准(mm)C.钢柱由加工厂整体拼装,单根钢柱最重为7T。单根吊车梁最重为7T。单榀屋面梁最重为12T。项次项 目等 级检验方法用焊缝量规检查1对接接头焊缝贴角焊缝表面裂缝、表面气孔、表面夹渣、熔合性飞溅不允许不允许2咬 边深度:e10.5长度小于或等于焊缝长的10%,且小于1003表 面 加 强 高e0.10b1且不大于3e0.20b1且不大于34宽 度盖过每边坡口约2mm5对 口 错 边ez0.1且不大于3ez0.1且40时不大于340时,不大于66余 高+307焊 角 宽+30D.焊缝质量检验:a.焊缝表面不允许有裂纹、气孔、夹渣、熔合性
19、飞溅。b.焊缝咬边深度0.5mm,长度小于或等于焊缝全长的10,且小于100mm。c.焊缝宽度盖过每边坡口约2mm。d.钢构件焊缝的质量检验采用超声波探伤,不得出现漏、虚、过焊、裂纹、气孔及夹渣等缺陷。四、 钢结构防腐涂装1.材料建筑钢结构工程防腐材料的选用应符合设计要求。防腐蚀材料有底漆、面漆和稀料等。本工程防腐底漆为灰色防锈漆、面漆为冰灰色调和漆,防腐材料应符国家有关技术指标的规定,还应有产品出厂合格证。2.作业条件:A.防腐涂装工程前钢结构工程已检查验收,并符合设计要求。B.防腐涂装作业场地应有安全防护措施,有防火和通风措施,防止发生火灾和人员中毒事故。C.露天防腐施工作业应选择适当的天
20、气,大风、遇雨、严寒等均不应作业。3.工艺流程:基面清理底漆涂装面漆涂装检查验收4.基面清理:A.建筑钢结构工程的油漆涂装应在钢结构安装验收合格后进行。油漆涂刷前,应将需涂装部位的铁锈、焊缝药皮、焊接飞溅物、油污、尘土等杂物清理干净。B.基面清理除锈质量的好坏,直接关系到涂层质量的好坏。C.本工程采用人工除锈,要求一遍底漆、一遍面漆。 5.底漆涂装:A.控制油漆的粘度、稠度、稀度,兑制时应充分的搅拌,使油漆色泽、粘度均匀一致。B.刷漆时应采用勤沾、短刷的原则,防止刷子带漆太多而流坠。C.底漆涂装后起码需48h后才能达到表干、表干前不应涂装面漆。6.面漆涂装:A.面漆的调制应选择颜色完全一致的面
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- p天柱钢结构制作技术交底 钢柱 天柱 钢结构 制作 技术 交底
链接地址:https://www.31doc.com/p-2049163.html