The pathways of drop-off interval in directional wells present upward bending,thus the pipe stem in it is bound to have initial upward bending because of the constraint which subjected to.
在定向井的降斜井段井眼呈现上凸弯曲状态,位于其中的管柱受其约束必然存在上凸初弯曲。
Aimed at the difficulties in the bending forming of punching parts, the bending die with dual-punch is designed, the complex shape of this part is once formed by the ordinal action of dual-punch.
针对该冲压件弯曲成形难的问题,设计了双凸模弯曲模,通过双凸模的依次动作可一次成形该零件的复杂形状。