According to the actual operational condition of engine, calculate dynamics with different rotational speed and breakout pressure, and get the surface vibration speed stage of engine.
根据车用发动机的实际使用工况，在不同转速及爆发压力下对其进行动力学计算，得到发动机的表面振动速度级。
The test result shows tha the influence of related displacement on surface finish is linear and related to amplitude and frequency of vibration and spindle speed.
试验结果表明：相对位移对表面光洁度的影响是线性”的，不仅与振动幅值有关而且与振动频率及主轴转速有关。
The results showed that, with appropriate wheel vibration frequency or appropriate workpiece rotate speed, the surface precision of workpiece can be improved.
结果表明：合理选择砂轮振动频率或工件主轴转速能有效提高工件表面精度，降低表面波纹度。
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