Through the analysis of material and construction, the dissimilar steel gear is successfully welded using stress reduction zone by heating and proper assemble and welding sequence.

• 通过对铸焊齿轮的材料和结构的分析；利用“加热减应区”法及适当的装配焊接顺序；成功地焊接了异种金属的合金钢齿轮.