根据本文所述方法，已经研制成功了具有平动椭圆运动轨迹的PTZS振动筛。

According to the method presented in the paper, "PTZS" vibrating-screen with parallel motion...

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讨论了影响振动筛同步性能和稳定性的因素，给出了要实现平动椭圆运动的条件。

Then the factors influencing the synchronism and stability of the shaker are discussed. At last the conditions of balanced elliptical motion are presented.

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分析得出目前广泛应用于钻井现场的各种运动轨迹振动筛中平动椭圆运动轨迹的振动筛筛分效果最好。

Analysis for a variety of vibrating screen are widely used in drilling that balanced elliptical vibration screen is the best.

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