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Design and Optimization of Fixture for High Pressure Gas Quenching of Transmission Components

机译:传动部件高压气体淬火的夹具设计与优化

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In order to achieve the desired durability for transmission components, case-hardening is widely applied to transmission gears. Low Pressure Carburizing (LPC) and High Pressure Gas Quench (HPGQ) has the advantage of producing less distortion, higher fatigue strength, and better wear resistance than other quenching methods. Therefore, optimization of LPC and HPGQ promises to reduce the distortion to the minimum level, making subsequence dimension correction more predictable and in some cases unnecessary. The geometry and materials of fixture which supports the gears during LPC and HPGQ has large influence on the temperature uniformity of gears across the load. This study shows how the fixture(s) can be optimized in order to achieve temperature uniformity during HPGQ using Computational Fluid Dynamics (CFD). KCFD;;Simulation;;quenching; gears;;distortion;;heat transfer;;Heat treatment
机译:为了实现用于传动部件的所需耐久性,外壳硬化广泛地应用于传动齿轮。低压渗碳(LPC)和高压气体淬火(HPGQ)具有产生较少的变形,更高的疲劳强度和比其他淬火方法更高的耐磨性更高的优点。因此,LPC和HPGQ的优化承诺将失真降低到最小级别,使后续维度校正更可预测,并且在某些情况下不需要。在LPC和HPGQ期间支撑齿轮的夹具的几何形状和材料对负载齿轮的温度均匀性具有很大影响。该研究表明,如何优化夹具以便使用计算流体动力学(CFD)在HPGQ期间实现温度均匀性。 k cfd ;;模拟;;淬火;齿轮;;失真;;传热;;热处理

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