Two vibrating motors or vibration generator are installed on the two sides of the screening frame and circumrotates widdershins to make it rotate in - phase in line with in - phase chasing principle , the screen vibrates with beeline , the materials are cast and screened continuously 本系列筛砂机是由两个振动电机或者激振器安装于筛框两侧，并反向旋转，根据自同步追逐原理使其做同步转动，使筛体做直线振动，物料被连续抛起并被筛分。
