港机漏斗衬板的埋弧自动堆焊工艺及应用

Submerged Arc of Dot-shaped Hard-facing Process Its Application in Harbor Machinery

根据皮带机漏斗衬板等港口机械易损零件的实际工况 ,采用圆点状埋弧自动堆焊工艺 ,确定合理的工艺参数 ,可提高生产效率 ,延长漏斗衬板等的寿命 ,降低成本。结果表明 ,圆点状堆焊层具有较高的硬度、耐磨性及适用性。该工艺可用于机械零件的表面强化。

According to the actual condition of belt conveyers' bucket padding plate machine spare parts, submerged arc of dot shaped hard facing process are applied. Reasonable process parameters are defined, increasing productivity, prolonging service life of bucket padding plate and reducing costs. The results show that hard facing layer have high hardness, anti wear performance and suitability. This process can be used as surface strengthening of machine spare parts.