环锻，在环形设备及工(模)具的作用下，使坯料或铸锭产生塑性变形，以获得一定环形尺寸的锻造的加工方法。
结果表明，锻环圆锭毛坯中存在夹杂是导致LC9锻环内裂的原因。
The results show that the cause of interior cracks of LC9 forged ring is due to inclusions existed in the billet of forged ring.
对锻轧机辊环的化学成分进行了科学设计，对辊环的离心铸造工艺、软化退火工艺、淬火工艺和回火工艺进行了深入研究。
In this papers, the composition of forging and rolling machine roll sleeve is scientifically designed, the centrifugal casting and heat treatment process of roll sleeve are researched.
研究了粉末热锻浮动油封密封环的材质、表面处理、显微组织对其耐磨性的影响。
The effects of material composition, working surface treatment and microstructure on wear resistance of powder hot-forging flow oil-seal ring were studied.
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