1. Abstract As in machine forging process with upsetter to forge partial of bars,L/D in part of thermal deformation is normally controlled within 10, and theoretical data should be within 1415.
   在利用平锻机使棒料局部成形的平锻生产工艺中，热变形部分的长径比（L／D）通常控制在10以内，理论允许值不超过14～15。
2. The hot bearing races from upsetter go into charging baskets, are heat treated and unloaded, then the empty baskets returned, all these are carried out automatically.
   从热镦机出来的红热套圈进入料筐，以及热处理各工序的进行、料筐内套圈的翻卸、空料筐的返回等各个阶段全自动运行，构成一热处理生产线的闭环系统。

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