W=A*ρ*L*1.2/η操作系数速度kg/h
A=(g*t)+(t-f)2tan(θ/2)手工焊0.15 1.5
H=h/β气保焊0.4 4.5平均板厚t对接缝L横截面积A角焊缝L横截面积A材料密度ρ熔敷效率η小合拢
封头1259.2081.737.850.55筒体1232.2081.737.850.55加强环2034.27227.06467.8088.897.850.55管系、附件1235.4081.737.850.55中合拢12228.1481.737.850.55大合拢1220.7481.737.850.55
熔敷效率η熟练焊工
0.6510kg/天
0.930kg/天
焊材重量m熔敷速度v电弧时间h操作系数β焊接工时计划天数最低焊工数
82.87 1.5055.250.30184.1615 1.53
45.08 1.5030.050.30100.1710 1.25
845.46 1.50563.640.301878.8035 6.71
49.56 1.5033.040.30110.12200.69
319.37 1.50212.910.30709.7025 3.55
29.03 1.5019.360.3064.52100.81 1371.36