播种机的主要机件指的是种子箱、机架、大轮、起落杆弹簧与开沟器圆盘。本文着重谈谈这些机件的修理及校正方法。一、种子箱易出现的故障、原因及其修理方法播种机种子箱在使用过程中,往往会产生变形、弯曲和裂缝、其故障原因可归纳为五点:1.装箱种重超过使用说明书中的规定(一般为250公斤),导致种子箱变形。2.播种机闲置期间,箱内仍剩存好多种子,使种子箱长期承受载荷,导致种子箱弯曲变形。3.作业时, The main parts of seeder refers to the seed box, rack, wheel, lifting rod spring and opener disc. This article focuses on these parts of the repair and correction methods. First, the seed box prone to failure, causes and repair methods Seeder seed box in the course of the use, often have deformation, bending and cracks, the failure can be summarized as five points: 1. Packing more than the instructions for use In the provisions of (usually 250 kg), resulting in seed box deformation. 2. During the idle period of the planter, many seeds remain in the box, which causes the seed box to bear the load for a long time, resulting in the bending deformation of the seed box. 3 homework,