Compared to cold drawing process, the cold rolling for high precision bars has certain distinct advantages: better surface finish obtained. superior dimension control and higher metal yield.
前言：冷轧法生产的高精度钢材较冷拔法具有更好的表面质量、尺寸精度和高的收得率。
Taking cold rolling rings of 6304 bearings as examples, drawing-up of the cold rolling technology for rings of the deep groove ball bearings and design method of cold rolling dies are introduced.
以6 30 4轴承套圈冷辗扩为例，介绍深沟球轴承套圈的冷辗扩工艺编制及其冷辗模具的设计方法。
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