The entire rotating assembly shall be designed with sufficient rigidity for minimal shaft deflection at extreme pump operating conditions 整个旋转总装都应该具有足够的硬度,即使在极端的泵运行环境下,所产生的轴偏差也是最小的。
2.
The entire rotating assembly shall be designed with sufficient rigidity and balanced to provide for a maximum shaft deflection at the lower seal of 0 . 002 " under all operating points between plus or minus 40 % of the flow at best efficiency point ( bef ) on the pump ' s performance curve 整个旋转总装都应该具有足够的硬度,在泵性能曲线最好性能的正负40 %的范围内,在所有工作点,最大的轴偏差限制在0 . 002英寸内。