Facts & Figures Book - KPI-JCI

Crushin gTestSieveSizes(in.)ROLL CRUSHERS APPROXIMATE TWIN ANDTRIPLE ROLL CRUSHER GRADATIONCLOSED CIRCUIT WITH SCREENRoll Crusher Settings1 ⁄4” 3 ⁄8” 1 ⁄2” 3 ⁄4” 1” 1 1 ⁄4” 1 1 ⁄2” 2” 2 1 ⁄2” 3” 4”6.35 9.53 12.7 19.0 25.4 31.8 38.1 50.8 63.5 76.2 102mm mm mm mm mm mm mm mm mm mm mmTestSieveSizes(mm)4” Values Shown are100 1023” Percent Passing100 79 76.22 1 Roll Setting 80% of⁄2” 100 91 64 63.52”Screen Mesh Size100 85 75 48 50.81 1 ⁄2” 100 79 63 55 35 38.11 1 ⁄4” 100 90 63 50 44 29 31.81” 100 85 75 46 39 34 23 25.43 ⁄4” 100 80 66 55 33 28 25 18 19.01 ⁄2” 100 75 55 41 33 22 20 18 13 12.73 ⁄8” 100 80 55 36 28 24 18 16 14 10 9.531 ⁄4” 100 75 53 33 23 19 18 13 11 10 7 6.35#4 80 55 35 22 17 15 14 10 9 8 5 #4#8 40 25 19 14 12 10 9 7 6 5 3 #8#16 18 14 11 8 7 6 5 4 3 3 2 #16#30 11 8 6 5 4 4 3 3 2 2 1 #30#50 7 5 4 3 3 3 2 2 1 1 0.5 #50#100 4 3 3 2 2 2 1 1 0.5 0.5 0 #100Gradation result may be varied to greater fines content byincreasing feed and corresponding horsepower.66