Method for calculation of wedge-form water-seal structure is theoretically discussed. The calculation formula and points needing attention in design work are explained.

叙述了从理论上探讨楔形防水密闭工程结构计算方法，并推导出相应的计算公式及结构设计的注意事项。

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Gate has two sealing surfaces, the most commonly used wedge gate valve sealing surface to form two wedge-shaped, wedge Angle parameters vary with the valve.

闸板有两个密封面，最常用的楔式闸板阀的两个密封面形成楔形，楔形角随阀门参数而异。

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With upper bound method and least energy principle, the conditions are established of drawing and breaking workpiece with cross wedge rolling technique to form axial symmetry spare parts.

利用上限原理和最小能量原理，获得了用楔横轧工艺成形阶梯轴类件时杆部拉断的条件。

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We decided to exclude the traditional list of "simple machines, " which includes the lever, pulley, wheel and wedge, since most other tools employ some form of simple machine--a hammer is basically a lever, and an axe is essentially a wedge.

FORBES: Methodology