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WhatsApp: +86 18203695377WEBMar 29, 2022 · Abstract The results of industrial comparative tests of batches of grinding balls with a diameter of 40, 60, and 80 mm from chromium–molybdenum steel of the nominal grade ShKhM and balls of the current manufacture from rail steel in the first chambers of drum mills while grinding of cement are presented. As the test results .
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WhatsApp: +86 18203695377WEBAug 1, 2013 · surface area of grinding ball in laboratory mill, m 2. A rball. surface area of grinding ball in industrial mill, m 2. C. cost of grinding media per unit mass, /kg. CL. crop load, % D f. final diameter of grinding ball, m. D i. initial diameter of grinding ball, m. D 0. initial diameter of mill, m. E abr, i. energy dissipated owing to abrasion ...
WhatsApp: +86 18203695377WEBSep 2, 2020 · According to DSTU 8538:2015, grinding balls 50 HRC after heat treatment should be consistent with the standards shown in table 2 ( DSTU 8538:2015 ), for example, for grinding balls with a nominal diameter of 120 mm, this is at least 50 HRC / 477 HB on the surface. Please note that information about the upper rate is not specified.
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