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９００×１２００鄂式破碎机齿板的改进我矿９００×１２００颚式破碎机１台供２台６０００×３０００ｍｍ湿式自磨机３００ｍｍ以下块度、矿石硬度系数ｆ＝１２～１４的矿石破碎。１９８９年度该机碎矿１１０万ｔ，作业率为９０％。但每隔一个半月须定期检修耗时４８ｈ。...
900 × 1200 jaw crusher tooth plate improvement I mine 900 × 1200 jaw crusher 1 Taiwan for 2 sets of 6000 × 3000mm wet self-mill 300mm below the block, ore hardness f = 12 ~ 14 ore broken. In 1989 the machine crushed 1,100,000 t, the operating rate of 90%. However, every one and a half months to take regular maintenance time-consuming 48h. ...