陝鋼龍鋼公司煉鋼廠精整老區熱送線1#上料平台、1#提升機、2#提ti升sheng機ji熱re送song輥gun道dao輥gun子zi長chang期qi在zai高gao溫wen環huan境jing使shi用yong，生sheng產chan過guo程cheng中zhong鑄zhu坯pi從cong提ti升sheng機ji滑hua軌gui滑hua下xia，上shang至zhi輸shu送song輥gun道dao時shi產chan生sheng撞zhuang擊ji，加jia之zhi原yuan輥gun子zi設she計ji為wei兩liang軸zhou頭tou與yu輥gun身shen分fen兩liang端duan焊han接jie而er成cheng
，使shi熱re送song輥gun子zi兩liang端duan麵mian焊han縫feng開kai裂lie，運yun行xing過guo程cheng中zhong擺bai動dong大da
、軸承座軸承經常損壞，輥子使用壽命短
，更換頻繁。 

　　gaidanweiweixiurenyuantongguoxianchangbidui
，jiangresonggunzigenghuanxiaxianhou，weixiuguochengzhongquchuliangduandangbanjizhou
，shidicehui，gaiweiyigentongzhou，zhongxinjiagongzhouhedangban
，xiaozheng
，hanjie。tongshihuishoulianzhushusonggundaobaofeigunzi，genjuresonggundaogunzichangdujiequhou，jingjiagong、校正、焊接改成熱送輥道輥子。改造後使用情況良好
，年可節約備件費用約26.4萬元。