WEBMar 1, 1996 · Abstract. In rotor impact mills soft and semihard materials up to Mohs hardness of 3–4 can be ground without excessive wear at the grinding elements. The fineness of the grinding products depends to a great extent on the impact velocity. Other parameters such as the geometry of the grinding zone have to be considered as well.
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WhatsApp: +86 18203695377WEBJan 22, 2002 · Mill and experimental method. The mill used in this experiment is made of alumina with an inside diameter of 144 mm and an inner volume of 2100 cm 3, and the grinding ball is also made of alumina. Five ball diameters ranging between 3 and 30 mm were used, and feed size was varied in the order of 10 −3 to 10 −1 as a ratio of ball .
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WhatsApp: +86 18203695377WEBUltra Fine Grinding in an Impact Grinding Machine and its Limits of Appliion. The investigations described in this paper aim at the development of a new impact mill. The objective is to produce particle size distributions below 10 .tm without using an air classifier. Circumferential rotor speeds of up to 200 m/s are strived for.
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