175 MPa超高压井口6BX型法兰结构评价及轻量化设计

张绪亮,史君林,董仁,练章华,查磊,蒋洪波

Structural evaluation and lightweight design of 175 MPa ultra-high pressure wellhead 6BX flange

Xuliang ZHANG,Junlin SHI,Ren DONG,Zhanghua LIAN,Lei ZHA,Hongbo JIANG

图7 螺栓孔分度圆直径与轮毂大径和螺栓数量的关系

Fig.7 Relationship between diameter of bolt hole distribution circle and major diameter of hub and number of bolts