目前,农场广泛使用的PY-3.4型41片圆盘耙,主要用于田间的耕后耙地和液压耙耙后平地碎土。41片圆盘耙作业时,为了使耙组的全宽耙深一致,加重物时前列要放在加重盘的中间,后列要放在加重箱的两端。这是由于11片圆盘耙前列两组耙片凹面向外,工作时向外翻土,后列耙片凹 At present, the PY-3.4 type 41 disk harrow which is widely used on the farm is mainly used for field harrowing and hydraulic raking and post-ground crushing. 41 disc disc raking operation, in order to make the rake group rake depth of the same, heavier front row to be placed in the middle of the weight plate, rear column to be placed on both ends of the weight box. This is because the 11 disc harrow forefront of the two groups of harrow concave outward, work overturned soil, the rear row of concave blade