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tie si zai rong ji ceng xia dui han xiu fu zhi zhong lun
Pages: 21-22+24
Year: Issue:  5
Journal: Farm Machinery

Keyword:  支重轮振动堆焊堆焊修复弹簧钢丝轮缘镶铸高碳自动堆焊焊修修复成本;
Abstract: <正> 东方红—54(75)拖拉机支重轮是由45号铸钢制成,轮缘硬度为HB388~477(HRC41.8~49.6)。由于工作条件恶劣,一般工作2000小时左右,轮缘直径就磨损10~15毫米。新轮的使用寿命约为2~3年。过去,支重轮轮缘磨损后,一般采用振动堆焊或镶铸(锻)钢圈法修复。振动堆焊用于直径磨损到335毫米左右的支重轮,用高碳弹簧钢丝堆焊1~2层。这种方法焊修质量好,耐磨,但由于目前弹簧钢
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