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The critical speed of ball mill is given by where R = radius of ball mill r = radius of ball For R = mm and r = 50 mm n c = 307 rpmTalk with the Experts at Paul O Abbe about your process requirements and Ball Mill Loading Wet Milling Size Reduction and Mill Speed Critical Speed needslarger centre radius than the centre height of the ball charge If your mill speed is more than the critical speed and the centrifugal action >

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Special after-sales service personnel are assigned free of charge, and they will arrive at the site to guide customers in the installation and commissioning until successful, and be responsible for training operators until the customers can fully operate the production by themselves.