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/in Grinding Ball Production LineNATIONAL STANDARD OF THE GRINDING BALLS IN CHINA (9)
/in PRC National Standard of GMUnder the normal working condition of the ball mill, the ball mill runs from 720h to 3000h (according to the working conditions, and the specific time is agreed by both the supplier and the buyer). Accumulated the mass of the broken balls during the ball mill operation, call it as the mass. The broken balls […]
NATIONAL STANDARD OF THE GRINDING BALLS IN CHINA (8)
/in PRC National Standard of GMFalling-balls test to check the impact fatigue of the grinding balls (Hereinafter referred to falling ball test), under the laboratory condition, simulated the impact process for the grinding balls in the ball mill. Impact times counted by the counter. Impact failure time shows the grinding balls working life in such condition.
NATIONAL STANDARD OF THE GRINDING BALLS IN CHINA (7)
/in PRC National Standard of GMThe casting grinding ball shall be inspected by the supplier’s quality inspection department. Chemical composition inspection shall be conducted in batches. If melt by induction furnace, each furnace as batch; if melt by cupola furnace, every 2hours as batch. Get one example to inspect the composition for each batch. If the test result is unqualified, […]
NATIONAL STANDARD OF THE GRINDING BALLS IN CHINA (6)
/in PRC National Standard of GM6.1 The diameter of the casting grinding ball is measured by a tool with an accuracy of not less than 0.01 mm. 6.2 The analysis method of the chemical composition should be according with the standards of GB/T 223. 3, GB/T 223. 4, GB/T 223.11, GB/T 223. 18, GB/T 223. 23, GB/T 223. 26, GB/T […]