六基本焊缝坡口形式.pptx

单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,幕墙构件加工与制作,主讲人：孙连弟,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,第一部分 铝合金构件,一、幕墙常用加工设备二、机械制图基本知识三、如何绘制加工图,第二部分 钢构件,一、钢材的表面处理二、钢结构加工要求三、钢材的焊接基本规定四、钢结构设计施工图技术要求五、钢结构制作详图要求六、基本焊缝坡口形式,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,第一部分 铝合金构件,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,第一部分 铝合金构件,一、幕墙常用加工设备,双头据 加工中心 钻床 铣床等,双头据（下料）,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,加工中心（钻、铣、螺纹孔的加工）,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,二、机械制图基本知识,1,、图线（常用）,粗实线,可见棱边线、可见轮廓线、相贯线、螺纹牙顶线、螺纹长度终止线等,;,细实线,过渡线、尺寸线、尺寸界线、指引线和基准线、剖面线等,;,细虚线,不可见棱边线、不可见轮廓线,;,中心线,圆心、形心、轴线等,;,波浪线及双折线,断裂处边界线、视图与剖视图的分界线。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,2,、剖面符号,金属材料,45斜线,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,3,、视图,3.1,基本视图,主视图,反映型材主要截面特征的视图。,左视图、俯视图、右视图、仰视图、后视图。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,三视图口诀,长対正、高平齐、宽相等。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,3.2,向视图,特定方向的视图。常用字母和箭头表示视图方向。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,3.3,局部视图,将物体的某一部分向基本投影面投射所得的视图。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,3.4,剖视图和断面图,剖视图,假想用剖切面剖开物体，将处在观察者和剖切面之间的部分移去，而将其余部分向投影面投射所得的图形。插 图,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,断面图,假想用剖切面将物体某处切断，仅画出该剖切面与物体接触部分的图形。,幕墙加工图常用断面图表示。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,4,、尺寸标注,（,1,选择基准,立柱上端和玻璃面,（,2,）确定位置,（,3,）标注尺寸,（,4,）注明属性,半径、直径,（,5,）标明单面或双面等信息,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,5,、尺寸标注样式,注意：不要标注闭口尺寸。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 20042011 Aspose Pty Ltd.,6,、断面图尺寸标注样式,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,断面图尺寸标注样式,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,7,、尺寸标注格式图,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,尺寸标注格式表,立柱编号,L,B,C,D,加工数量,安装位置,LZ01,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,8,、公差要求,（,1,）横梁长度允许偏差为,0.5mm,，立柱长度允许偏差为,1.0mm,，端头斜度的允许偏差为,0,-15,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,（,2,）铝合金构件的制孔应符合下列要求：,A.,孔位的允许偏差为,0.5mm,，孔距的允许偏差为,0.5mm,，累计偏差为,1.0mm,；,B.,铆钉的通孔尺寸偏差应符合现行国家标准,铆钉用通孔,GB 152.1,的规定；,C.,沉头螺钉的沉孔尺寸偏差应符合现行国家标准,沉头螺钉用沉孔,GB 152.2,的规定；,D.,圆柱头、螺栓的沉孔尺寸应符合现行国家标准,圆柱头、螺栓用沉孔,GB 152.3,的规定；,E.,螺丝孔的加工应符合设计要求。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,（,3,）铝合金构件的槽、豁、榫的加工应符合,下列要求：,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 20042011 Aspose Pty Ltd.,(4),铝合金构件豁口尺寸允许偏差应符合表的要求,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,（,5,）铝合金构件榫头尺寸允许偏差应符合表的要求,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,（,6,）,平板型预埋件锚板和锚筋的焊接应符合现行国家标准,混凝土结构设计规范,GB 50010,或本规范附录,A,的规定。,预埋件加工精度应符合下列要求：,1.,锚板边长允许偏差为,5mm,；,2.,一般锚筋长度的允许偏差为,0,+10mm,；两面为整块锚板的穿透式预埋件的锚筋长度的允许偏差为,-5,0mm,；,3.,圆锚筋的中心线允许偏差为,5mm,；,4.,锚筋与锚板面的垂直度允许偏差为,ls/30,（,ls,为锚固钢筋长度，单位为,mm,）。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,（,7,）玻璃幕墙的连接件、支承件的加工精度应符合,下列要求：,1.,连接件、支承件外观应平整，不得有裂纹、毛刺、凹凸、翘曲、变形等缺陷；,2.,连接件、支承件加工尺寸允许偏差应符合表的要求。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,三、如何绘制加工图,1,、确定立柱长度,建筑层高 减去 立柱伸缩缝间隙（一般,1520mm,，查看图纸）。,2,、确定基准（立柱上端和玻璃面侧,查看层间横、竖节点图。,要点：,横剖确定前后位置，竖剖确定高低位置。孔的直径,=,螺栓直径,+1mm,、,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,3,、确定横梁连接孔位置,查看大样图和节点图。通过分格尺寸和横梁与立柱连接的方式（角码、插销等）确定具体尺寸。,分格尺寸确定横梁孔的间距，型材截面、连接方式确定孔的位置。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,特别注意：横梁孔和角码孔一定要一致。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,第二部分 钢构件,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,一、钢材的表面处理,钢型材立柱及横梁的加工、表面涂装均应符合现行国家标准,钢结构工程施工质量验收规范,GB 50205,的有关规定。,幕墙常用方式,热浸镀锌、氟碳喷涂,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,二、玻璃幕墙的支承钢结构加工应符合下列要求：,应合理划分拼装单元（尽量工程加工）；,管桁架宜按计算的相贯线采用数控设备切割加工；,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,3,钢构件拼装单元的节点位置允许偏差为,2.0mm,；,4,构件长度、拼装单元长度的允许正、负偏差均可取长度的,1/2000,；,5,管件连接焊缝应沿全长连续、均匀、饱满、平滑、无气泡和夹渣；支管壁厚小于,6mm,时可不切坡口；角焊缝的焊脚高度不宜大于支管壁厚的,2,倍；,6,分单元组装的钢结构，宜进行预拼装。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,三、钢材的焊接基本规定,1,、宜减少焊缝的数量及尺寸（降低成本、提高效率、减小变形）。,2,、焊缝的布置宜对称于构件截面的中性轴（减少变形影响）,3,、宜避免焊缝密集和双向、三向相交（避免焊缝相互影响）,4,、焊缝位置应避开高应力区。,5,、应根据不同焊接工艺方法选用坡口形式和尺寸。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,四、钢结构设计施工图中应明确下列技术要求,1,、构件采用钢材的牌号和焊接材料的型号、性能要求及相应的国家现行标准。,2,、钢结构构件相交节点的焊接部位、有效焊缝长度、焊脚尺寸、部分焊透焊缝的焊透深度。,3,、焊缝质量等级，有无损检测要求时应注明无损检测的方法和检测比例。,4,、工程制作单元构件拼装节点的允许范围，并根据工程需要提出结构设计应力图。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,五、钢结构制作详图中应标明下列焊缝技术要求,1,、对设计施工图中所有焊接技术要求进行详细标注，明确钢结构构件节点的焊接部位，焊接方法，有效焊缝长度，焊缝坡口的形式，焊接尺寸，部分焊透焊缝的焊透深度，焊后热处理要求。,2,、明确标注焊缝坡口的详细尺寸，如有钢衬垫标注钢衬垫尺寸。,3,、对于重型、大型钢结构，明确工厂制作单元和工地拼装焊接的位置，标明工厂或工地安装焊缝。,4,、根据运输条件、安装能力、焊接可操作性和设计允许范围确定构件分段位置和拼装节点，按设计规范有关规定进行焊缝设计并提交原设计单位进行结构安全审核。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,六、基本焊缝坡口形式,1,、对接焊,（关键部位和受力较大时，,最好加背衬板）,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,六、基本焊缝坡口形式,2,、角焊缝,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,六、基本焊缝坡口形式,3,、坡口焊（一般,8mm,以上）,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,小 练 一 手,1,、基本视图的形式有哪些？最常用的三种视图？,2,、幕墙加工图常用,表示。,3,、加工图尺寸标注的要素是什么？,4,、加工图尺寸标注基本原则。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.00.,Copyright 2004-2011 Aspose Pty Ltd.,5,、铝合金加工常用的检测工具：,6,、钢结构焊接图纸标注的基本技术要求：,7,、铝合金加工图除尺寸外的其他要求：,小 练 一 手,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Thank You!,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,