.

链轨总成 SD16

1.链轨节

  1)材质:35 MnB或40Mn2

  2)热处理工艺:调质:30-36HRC+踏面中频淬火:48-54HRC,

  3)加工工艺:铣侧面――钻螺孔――冲方――粗镗孔――热处理――抛丸――探伤――精镗孔、止口及倒角

2.销套

  1)材质:推土机:20CrMnTi

    挖掘机:40CrB或35CrMo

  2)热处理工艺:推土机:渗C+内外表面中频淬火54-60HRC。

    挖掘机:整体淬火48-53HRC。

  3)加工工艺:下料――平头倒角――热处理――磨外圆

3.销轴

  1)材质:50Mn

  2)热处理工艺:轴:调质:25-30HRC+外表面中频淬火:54-60HRC。

  3)加工工艺:下料――平头倒角――热处理――磨外圆



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