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购买脱粒机,挑选时应当注意这样几个问题: 1.整机外观无明显疤痕,焊缝光滑无脱落现象,油漆均匀,色泽一致。 2.皮带等传动部位有防护罩,并标有额定转速和转动方向符号。 3.滚筒与机架侧壁间隙应均匀,其最小间隙应大于3毫米。 4.用手轻轻转动滚筒,应转动自如,无阻滞、卡、擦、碰撞等现象。 5.转动滚筒,待滚筒停止转动后,用粉笔做一个记号,如此反复多次,以滚筒不停止在同一位置为好。 6.用手抓住滚筒,沿轴向推拉几下,
Buy thresher, the selection should pay attention to such a few questions: 1. The appearance of the machine no obvious scar, weld smooth and no shedding phenomenon, uniform paint, the same color. 2. Belt and other transmission parts have protective cover, and marked with the rated speed and direction of rotation symbols. 3 drum and rack side wall gap should be uniform, the minimum gap should be greater than 3 mm. 4. Gently rotate the roller hand, should be able to rotate freely, no block, card, rub, collision and so on. 5. Rotate the drum, until the drum stops turning, use chalk to make a mark, so repeated several times, the drum does not stop in the same position as well. 6. Hold the roller by hand, push and pull a few times in the axial direction,