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维修东方红—75(54)拖拉机车架,更换松动的铆钉有新方法:用合金钢高强度螺栓连接代替铆接新工艺。此工艺已通过省级技术鉴定,1987年获省农机科技进步三等奖。经验证,高强度螺栓连接的车架其特点:连接牢固、操作简便、就地维修、成本低廉,使用寿命高达五千小时以上。
Maintenance of Dongfanghong -75 (54) tractor frame, replacement of loose rivets have a new method: high-strength steel bolts instead of riveting new technology. This technology has passed the provincial-level technical appraisal, in 1987 by the provincial agricultural science and technology progress prize three. Proven, high-strength bolted frame its characteristics: a solid connection, easy operation, on-site maintenance, low cost, service life up to 5,000 hours or more.