热处理

热处理对于所需的材料特性必不可少

热处理是在规定的曲线和环境下冷却和加热材料,以便获得所需的特性。

为了质量,热处理由质量部的具体设备检查(见"质量" )每批零件都要取样保存并检查。

经过热处理的材料是:

  • 42CD4钢(回火处理和稳定)
  • FT25 (稳定)
  • 18NCD (硬化和渗碳)

马森采用3种热处理

  • 油淬火:零部件保持在850°C的4小时38分然后它回火3小时。回火温度取决于材料和硬度要求。
  • 渗碳:它在材料表面渗入一层碳元素丰富的面。渗碳深度取决于齿轮的模数。为一个模数2.5 ,深度为0.7至0.8毫米。为一个模数8,深度为1,6-1,7毫米。周期时间从7小时(2.5模数)到19小时(模数8) 。温度为925,冷却在室温下是在露天。
  • 稳定:烤箱高达580°C的3小时然后离开让温度350℃,并打开烤箱门完全降温。

两种炉的使用

four CIEFFE LLF 13 E XR

1台CIEFFA的LLF 13 E XR炉

它是用于渗碳淬火。

其容量为1500公斤,宽910毫米,高1150毫米,深度1520毫米。

它由12个电阻加热总产量为200千瓦

淬火硬度提供了100至110公斤的一42CD4和70至80公斤18 NCD 6 。

渗碳的18NCD6导致硬度58至60HRC,200至210千克

four UGINE

3 个UGINE炉

1炉是用来渗碳后放松

2其他炉用于热处理后的收入循环的淬火。

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