NEWS & ARTICLES

NEWS & ARTICLES \ QUALITY CONTROL

Methods for volumetric hardness measurement of grinding balls

There are several methods for volumetric hardness measurement of grinding balls. The method for hardenability determining, namely, the method of end hardening with a hardness measurement […]

The steel grinding balls volumetric hardness measurement

We have considered the steel grinding balls surface hardness measurement and the steel grinding balls hardness measurement at 1/2 radius depth in previous articles. We will […]

The steel grinding balls hardness measurements at 1/2 radius depth

We have considered the steel grinding balls surface hardness measurement in the last article. Remind, we have conducted 4 hardness measurements during the hardness determination: three […]

The grinding balls surface polishing for hardness measures

The grinding balls samples should be prepared such way, that their properties will not changed as a result of mechanical or other processing. The grinding on […]

Acceptance Rules and Quality Control Methods Of Grinding Balls

The quality control the grinding balls hardness and surface checked every hour of the mill’s work, as well as new steel grade rolling in the beginning. […]

Billet inspection control in the steel grinding balls production

Grinding balls produced of steel round billets (according to DSTU 3499-97, DSTU 8538: 2015 or GOST 7524-2015 and TU U 27.1-26524137-1376: 2008). Received billet in the […]

La correcta definición del quinto grupo de dureza de las bolas de molienda

Hemos escrito sobre la correcta definición del grupo de dureza de las bolas de molienda en el artículo. Aquí queremos llamar su atención sobre los matices […]

The correct definition the hardness group of grinding balls

The surface hardness of grinding balls define on two diametrically opposite platforms. In determining, the hardness at each platform perform four measurements. The first three measurements […]

La forma correcta de medir la dureza en las muestras de bolas de acero de los grupos de dureza 1–4

La dureza de las bolas de molienda de acero se determina mediante dispositivos de ensayo certificados. La medición de la dureza de las bolas de molienda […]