Mining machinery has many kinds of machines, we have stone crusher, of course, include rock crusher. From the crushing methods, we have jaw, shaft, hammer crusher, and cone crusher. Crushing machine is used to break a large rock into smaller pieces, crushers used is depended on the rock (stone) type. Horizontal shaft impact crusher is by impacting with rotating barrel blade; the rock size chosen is from adjusting the gap between lade and chamber, it is not suitable to smash the hardest rocks. Cone crusher is by moving cone to break rock, feeding the material from top, to adjust axis to change the gap which will be five times bigger or smaller in size, suitable for fine material needed. According to what stage of crushing, the primary or secondary crusher should be chosen, crusher so fine size be only used after large rock crusher. The hard stone or rock crushed often needs 3 times crushing to get the final size. We are manufacturing variety of crushers for each stage of crushing rock. .... Detail>>