Induction 淬火与回火

淬火与回火

淬火是加热工艺之一，淬火之后须快速冷却，以增加钢的硬度与机械强度。

为此，须将钢加热到比上临界温度稍高的温度（850℃-900℃之间）后，（根据钢特性）将其较快地在介质（如石油、空气、水以及水与可溶聚合物的混合物等）中冷却。

加热的不同方法有电炉加热、煤气炉加热、盐浴炉加热、火焰加热及感应加热等。

感应淬火中通常使用钢的碳含量在0.3％~0.7%之间（亚共析钢）。

感应加热的优势：

可处理工件中的特定部分（淬火剖面）
频率控制和加热次数
可进行冷却控制
节能

无物理接触
可进行控制与定位加热
能够集成在生产线中
提高绩效、节约空间

感应淬火是如何工作的

可通过下列两种不同方式完成感应加热：

静态式

三脚架外壳杆的单发感应淬火

将工件放置在感应器的前面，并在工件或感应器均不移动的情况下进行操作。这种操作速度非常快，仅需简单的机械机构，即使工件几何形状复杂，也能非常准确的定位待处理区域。

渐进式（通过扫描):

通过扫描对轴进行感应淬火

对工件进行连续操作，移动工件或感应器。这种操作意味着可以对具有较大表面和较大尺寸的工件进行处理。

同静态处理相比，对于同样类型的工件，扫描处理耗功率较低，但处理时间更长。

Other Heat Treatments

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淬火与回火

淬火与回火

感应加热的优势：

感应淬火是如何工作的

静态式

渐进式（通过扫描):

Other Heat Treatments

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