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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