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INVESTIGATION OF THE INFLUENCE OF HYBRID LAYERS ON THE LIFE TIME OF HOT FORGING DIES

机译:混合层对热锻模具寿命影响的研究

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The paper deals with the issues related in the process of drop forging with special attention paid to the durability of forging tools. It presents the results of industrial investigation of the influence of hybrid layers on hot forging dies. The effectiveness of hybrid layers type nitrided layer/PVD coating applied for extending the life of forging tools whose working surfaces are exposed to such complex exploitation conditions as, among others, cyclically varying high thermal and mechanical loads, as well as intensive abrasion at raised temperature. The examination has been performed on a set of forging tools made of Unimax steel and intended for forging steel rings of gear box synchronizer in the factory FAS in Swarzedz (Poland).
机译:本文探讨了下落锻造过程中的相关问题,并特别注意了锻造工具的耐用性。它给出了混合层对热锻模具影响的工业研究结果。混合层型氮化层/ PVD涂层的有效性,可延长锻造工具的使用寿命,这些工具的工作表面暴露于复杂的开采条件下,其中包括周期性变化的高热负荷和机械负荷以及在高温下的强烈磨损。该检查是在波兰Swarzedz的FAS工厂中,使用一套Unimax钢制成的锻造工具进行的,该锻造工具用于锻造齿轮箱同步器的钢环。

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