Kroms Ore Crushing And Concentrating Machines Plans for Lixiviation And Concen
Kroms Ore Crushing And Concentrating Machines Plans for Lixiviation And Concen
S R Krom
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3. Housing to inclose the rollers. 4. Swinging pillow-blocks, 5. Bolts to take the crushing strain. 6. The hopper for spreading the ore. This paper would not be complete without a com- parison between rolls and stamps (other pulverizing machines not being worthy of attention here). On this head I submit the following observations : 1. The capacity of any machine for crushing ore is dependent on the amount of crushing surface brought in contact with the ore in a given time, and the effi- ciency ...with which the crushing surface is applied. 2. The cost of crushing depends on the power con- sumed and the expense of maintaining the machine in a working condition. It will be manifest from these axioms that the employment of correct mechanical principles with sim- plicity of construction and fewness of working parts will play an important part in the settlement of the question. For this calculation we will begin by com- puting the capacity of two sets of 26-inch rolls with 15-inch face, the average diameter of which by reason of wear will be say 24 inches.
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