求翻译：　　本文研究的汽车同步器齿圈压力淬火机床，是针对同步器的齿圈进行压力淬火加工，主要是利用花键型心轴与齿圈内花键配合保证齿圈在淬火冷却过程中的尺寸精度要求，以减少二次加工。本设备在保证同步器齿圈在加工过程中的精度要求，并且尽可能的简化加工流程，使得同步器齿圈的加工更加方便快捷，从而提高生产效率，节约成本。实现了齿圈加工的高效低能耗、高速小型化。是什么意思？

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