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本文研制的ＳＪ４０３烧结焊剂配合Ｍｕｌｔｉｐａｓｓ５－Ｓ药芯焊丝用于大型推土机的引导轮、支重轮的修补堆焊，具有良好的工艺性能，焊后熔渣自动脱落，焊道成形美观，堆焊后不需加工，满足了引导轮、支重轮的堆焊要求，可取代进口焊剂。
In this paper, SJ403 sintered flux with Multipass5-S flux cored wire for large bulldozers for the guide wheels, roller repair repair surfacing, has good process performance, slag automatically after welding off, beautiful weld bead, after welding Without processing, to meet the guide wheel, roller wheel surfacing requirements, can replace imported flux.