1、YB/T4090-2000表1（完）mm实际直径公称直径长度最大小黑皮部分最小6006136076042000/2200/24006506636576542400/27007007147087052400/27003.2电极长度的允许偏差应符合表2的规定。表2mm标准长度偏差短尺长度偏差公称长度最大最小最大最小1600+100-100-100-2751800+100-100-100-2752000+100-100-100-2752200+100-100-100-2752400+100-100-100-2752700+150-150-150-3003.3供货中每批允许短尺电极不超过15%。3.4
2、电极接头为圆锥形，接头的形状、尺寸按图1和表3的规定。L30R0.760.80、091.58=|R0.570.73060斜线3.834.612.873.488.476.35HH图1电极接头的形状、尺寸表3mm公称接头接头孔直径螺距DLdidH300177.16270.90116.90168.73141.50350215.90304.80150.00207.47158.40400215.90304.80150.00207.47158.40400241.30338.70169.80232.87175.30450241.300338.700+0.50+7-0.50-1169.80-510232.870175.3008.47450273.05355.60198.70264.62183.80500273.05355.60198.70264.62183.80500298.45372.60221.30290.02192.20550298.45372.60221.30290.02192.20
