當篩(shai)(shai)(shai)機起動(dong)(dong)(dong)(dong)后(hou)，呈對稱布置(zhi)的(de)(de)兩臺(tai)相同(tong)型(xing)號和(he)規格的(de)(de)振(zhen)(zhen)動(dong)(dong)(dong)(dong)電(dian)機或(huo)激(ji)振(zhen)(zhen)器作同(tong)步(bu)反向(xiang)運(yun)轉，其(qi)產生的(de)(de)激(ji)振(zhen)(zhen)力通過傳振(zhen)(zhen)體—電(dian)機或(huo)激(ji)振(zhen)(zhen)器底座傳遞到整個(ge)振(zhen)(zhen)動(dong)(dong)(dong)(dong)體—篩(shai)(shai)(shai)箱(xiang)上(shang)，使(shi)篩(shai)(shai)(shai)箱(xiang)帶動(dong)(dong)(dong)(dong)篩(shai)(shai)(shai)面(mian)作周期性振(zhen)(zhen)動(dong)(dong)(dong)(dong)，從而(er)使(shi)篩(shai)(shai)(shai)面(mian)上(shang)的(de)(de)物(wu)料隨篩(shai)(shai)(shai)箱(xiang)一同(tong)作定向(xiang)跳(tiao)躍式運(yun)動(dong)(dong)(dong)(dong)，其(qi)間(jian)，小于篩(shai)(shai)(shai)面(mian)孔(kong)徑(jing)的(de)(de)物(wu)料通過篩(shai)(shai)(shai)孔(kong)落到下層(ceng)，成為篩(shai)(shai)(shai)下物(wu)，大于篩(shai)(shai)(shai)面(mian)孔(kong)徑(jing)的(de)(de)物(wu)料經連續跳(tiao)躍運(yun)動(dong)(dong)(dong)(dong)后(hou)從排(pai)料口排(pai)出，完成篩(shai)(shai)(shai)分作業。

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