Production of Grinding Balls of High Surface and Normalized Volume Hardness

被引：0
|
作者：
K. N. Shvedov
I. K. Galim’yanov
M. A. Kazakovtsev
机构：
[1] Evraz Nizhniy Tagil Iron and Steel Works,
来源：
Metallurgist | 2020年 / 64卷
关键词：
grinding balls; quenching; tempering; hardness; volume hardness, impact resistance, macrostructure;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Materials on and the results of testing new types of equipment for producing grinding balls of high surface hardness and normalized volume hardness are presented. The EVRAZ NTMK company has implemented a technology of producing grinding balls of high strength, including of hardness group 5 (high surface hardness and normalized volume hardness), according to GOST 7524–2015. For this purpose, a set of equipment for producing grinding balls and testing them for impact resistance was put into operation. Meeting the requirements allows achieving high service characteristics of grinding balls.
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页码：499 / 507
页数：8
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