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Archive for April, 2009
High Abrasive Material
Posted by Dhruv from Nangal, OT, IN on April 29, 2009
Dear Sir, I am crushing river bed material which has silica around 70%. Please advise me which mateial jaw plate I should use that will give me longer life.
There is more than one thing that determines the alloy recommended in jaw crushers. Given all other things equal, if the silica content is 70% and the compressive strength of the stone is above 40,000 psi than we would recommend a premium grade of manganese. If the compressive strength is below this number, chances are that the manganese will not work harden to its full extent. This basically means that you could by the premium grade of manganese and not achieve its full benefits.
Used Manganese Liners
Posted by Lynne from Mission, BC, CA on April 20, 2009
We have about 10 sets of manganese cone liners and some jaw plates –do you recycle these? Would there be any discount on the new jaw plates or liners if we traded the worn out ones for new ones?
Columbia Steel does purchase used manganese crusher liners and can also apply credit from used liners against new orders. It would be best if you contact Columbia Steel's purchasing manager Marty Slagle at marty_s@columbiasteel.com for more information.
Roll Bearings
Posted by Gary from Durango, CO, US on April 13, 2009
We have 1953 Pioneer roll crusher. I work for Niel’s Exc. Do you know were we can get parts? Bearing went out on one of the rolls. Can you help?
Columbia Steel is a wear parts supplier. For rolls crushers we typically supply the roll shells & the side or key plates. One would need to attain the bearings from the manufacturer of the machine or from a reputable bearing supplier. If a bearing supplier is engaged, they will typically need to know the physical dimensions of the existing bearing as well as its type.