For this reason, special inductor and fixture have been designed and the heat treatment problem of the reverse fork has been successfully solved by double high frequency quenching.

为此，设计制造了特殊的感应器和工装夹具，采用二次高频淬火工艺解决了该倒挡拨叉的热处理难题。

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The specifications of large sized special 6005a-t6 aluminium profile are introduced. Its composition and extrusion process and optimizing of heat treatment are determined by test.

研究了6005 A T 6铝合金大型材的技术要求，化学成分和挤压工艺、热处理工艺优化等问题。

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So it is meaningful to further study its heat treatment performance by process test, so that the heat treatment process standard is established to meet special requirement.

为此，通过一定的工艺试验对这种钢的热处理性能进行进一步的探索，从而确定特定性能下的热处理工艺规范。

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