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推导了外啮合齿轮泵流量脉动的计算公式,分析了外啮合齿轮泵变位系数对流量脉动的影响。结果表明:流量脉动随齿轮模数的增大而减小;当采用高度变位齿轮正传动时,流量脉动随着变位系数的增大而明显减小。
The calculation formula of the flow pulsation of the external gear pump is deduced. The influence of the displacement coefficient of the external gear pump on the flow pulsation is analyzed. The results show that the flow pulsation decreases with the increase of gear modulus. When positive displacement gear is used, the flow pulsation decreases obviously with the increase of displacement coefficient.