托链轮
1.材质:轮体:40Mn2轴:50 Mn
内外盖,轴座:QT450-10
铁套,托架:QT450-10
轴瓦:CuPb10Sn10
2.热处理工艺:
轮体:滚动面中频淬火:48-54HRC,
轴:调质:25-30HRC+外表面中频淬火:50-56HRC
3.轮体两半体采用CO2气体保护焊焊接。
4.保质期:一年。
5.木托包装。
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