The primary causes of cavitation in a hydraulic pump are insufficient fluid supply to the pump inlet and excessive restriction in the pump inlet line, both of which lead to a drop in pressure below the fluid's vapor pressure. Cavitation is the formation and subsequent collapse of vapor bubbles within a liquid. In a hydraulic pump, it occurs when the pressure at the pump inlet drops below the vapor pressure of the hydraulic fluid at that temperature. This causes the fluid to vaporize, forming tiny bubbles. As these bubbles travel through ....
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