二次调质后，堆芯段筒体锻件产生了椭圆变形，为了不影响锻件已有性能，采用冷校形加去应力回火方法进行校正。
In order to keep the property of forging pieces which they already have, calibrating in the way of cold correcting the shape with stress release and tempering could get a better result.
为了保存材料和改进劳动生产力，大多支承圆环通过锻件，冷的标题被形成或球通过形成的路辗滚动是小，冷的标题形状。
In order to save materials and improve labor productivity, most of the bearing rings are formed through forging, cold heading or ball is rolled through the forming roller is small, cold heading shape.
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