输送皂角泵内有设计合理的泄油和回油槽，是齿轮在工作中承受的扭矩力最小，因此轴承负荷小，磨损小，泵效率高。

Pump is the drainage and back into the groove of reasonable design, is a gear in the work under the minimum torque force, so the bearing load is small, wear small, pump with high efficiency.

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轴承的油槽要滚铣和倒角。

The oil grooves of the bearing should be milled gear.

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在测量油膜轴承锥套内部圆度误差过程中，由于内表面有许多油槽和油孔，测量过程中产生了大量无效数据。

In the roundness error measurement of inside sections of the oil film bearing, because of the oil slots and the oil holes, a large amount of invalid data can be brought.

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