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Check priceNov 21, 2015Basics of Rolling of Steel Each planetary roll gives an almost constant reduction to the slab as it sweeps out a circular path between the backing rolls and the slab. As each pair of planetary rolls ceases to have contact with the work piece, another pair of rolls makes contact and repeat that reduction. The aspect ratio, or the ratio

Check priceCRUSHER TYPES Used Rock Crushers. Normally used as a primary crusher. Uses compression and some attrition to crush material. Typical reduction ratio is 6 to 1. Normally the secondary, but sometimes the primary crusher

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Check priceCrusher Aggregate Gradation Calculation tasleek. The reduction ratio Roll crushers have a theoretical MAXIMUM reduction ratio of 41. If a 2 inch Coal plants will use roll crushers, either single roll or double roll, as primary crushers, reducing the ROM coal.

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Check priceCrushing of coal and calculation of size reduction efficiency. Feb 25, 2015 Knowledge piece on Crushing of Coal and Efficiency of Crushers .. Roll Crusher The reduction ratio and efficiency of roll crusher is very low. Roll crushers have a typical reduction ratio of 41 and due to the rollers working on a spring loaded mechanism

Check priceCrushing of coal and calculation of size reduction efficiency. Feb 25, 2015 While Double Toggle Jaw Crusher 2/25/2015 65805 AM 10 Roll Crusher The reduction ratio and efficiency of roll crusher is very low. Get Price

Check priceCalculation Of Reduction Ratio In Roll Crusher Stone . Crusher Article about Crusher by The Free. Find out information about Crusher. machine used to reduce materials such as ore, coal,machine used to reduce materials such as ore, coal, stone, and slag toare practical limitations on the ratio of size reduction through a single stage.Toothed roll crushers are used for brittle and soft .

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