1·Problems remain in vibration sieve and the influence on production is analysed. The modification project is introduced and the effect and the benefit are summarized.
针对振动筛存在的问题，对影响生产的情况进行了分析说明，介绍了改造方案，总结了取得的效果及效益。
2·The invention discloses a device which reduces sieving materials by increasing the utilization ratio of a vibration sieve in the production process of a plastic extruder.
本发明系塑料挤出机生产过程中通过增加振动筛利用率来减少过筛料的一种装置。