产品名称Q管?/SPAN>
产品囑֏Q?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">H23-0044-3
产品材料Q?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">15CrMo ?0Cr18Ni9
产品规格Q?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">Φ1806×320mm
产品重量Q?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">3921kg
板孔数Q?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">2172
孔直径Q?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">25.25mm
孔径公差Q?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">0-0.15mm
孔光z度Q?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">Ra12.5
更新日期Q?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">2012-4-13
出品单位Q常州市徯机械有限公司
技术说?/B>
1.焊接采用电弧焊,焊条牌号?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">J427?/SPAN>
2.Mg技术条件按?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">JB4726-2000《压力容器用素钢和低合金钢Mg》中?/SPAN>U的规定Qƈ以正?回火状态供货?/SPAN>
3.板ȝ前预热,预热温度?50?/SPAN>?/SPAN>
4.板堆焊采用带极堆焊Q堆焊过渡层焊条?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">A302,盖面层焊条ؓA102?/SPAN>
5.板堆焊层表面应qxQ^面度公差?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">1mm。堆焊层厚度均匀Q最厚与最薄之?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">?mmQ堆焊的q渡层和面层的最厚度ؓ3mm。基层材料的表面?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">JB/T4730-2005q行粉,IU合根{合格后Q进行过渡层的堆焊,完毕后,q行100%声,以符?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">JB/T4730-2005中的IU合|合格后,板q行消除应力热处理ƈ对过渡层q行渗透检,以符?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">JB/4730-2005中的IU合|合格后,q行面层的堆焊,面层堆焊完毕Q清理面层,q行表面渗透及100%声,以符合上q要求ؓ合格?/SPAN>
6.板密封面与轴线垂直Q垂直度允差?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">0.5mm?/SPAN>
7.孔应严格垂直与板密封面,垂直度允差ؓ0.05mmQ孔表面不存在诏通的U向条痕?/SPAN>
8.板d?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">H?6%允许孔桥宽度?.96mmQ允?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">4%的最孔桥宽?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">3.48mm?/SPAN>
9.除注明外Q加工面自由寸公差?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">GB/T1804-2000W?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">mU精度,非加工面自由寸公差?SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14px">cU?/SPAN>
本公司是专业生加工三、四cd力容器和单双板的制造商Q公司经q不断的自主研发和创斎ͼ现已H破传统板加工工艺Q采用先q的数控加工中心Q结合自ȝ发的加工工艺及刀P以高_ֺ、高效能、优惠的h承接国内外火c核cv水E化、v盐、化工、石化的压力容器、热交换器、冷凝器、}冷器、酸乙烯合成反应器等各类不锈钢、碳素钢、合金结构钢、钛合金、铝合金、铜合金高厚度大直径板、法兰、锻件及隔板、折板、复合板的深孔加工业务?/SPAN>
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