alumina grinding Ball

Alumina Ball Detailed Product Description Al2O3 ≥92% SiP2 ≤6% Fe2P3 ≤0.05% P.V. density 3.55g/m³ Anti-press ≥2000MPa Absorb water ≤0.02% Degree of hardness ≥85 Wear ≤0.2g/kg.hr Equivalent wear ≤0.1Bear to whet to oxidize the aluminum ball to bear to pound at sex and wear to experiment the method: 1, Method principle: This method is to pass to oxidize the aluminum ball in gather the ammonia ester whet bottle, with the impact function that the prescriptive condition impact grind, investigates the ball, wearing to mean to oxidize the aluminum ball to bear to whet the function with the unit time. 2, Whet the bottle Whet an adoption gathers the ammonia ester bottle, the specification size is a 200*220mms. 3, Bear to whet the impact test machine: Can guarantee that the usage packs the 4kg to oxidize the aluminum ball sample, pack into the A2 to whet the bottle, circulate continuously with the 80/pm. 4, style preparation: The external appearance quantity and the external appearance sizes oxidize the aluminum ball qualifiedly about 4kg, pack into the A2 to whet the bottle, join the 4kg water, at bear to whet the impact test on board grind the 2 h2s with the 80pms, the sampling article cleans to dry the back up. 5, Experiment the step Sample after press processing of A4, measure to a M2 with heavy steelyard of the 1g with the feeling The above-mentioned sample puts into the A2 to whet the bottle, the cover of water that joins the equal weight puts to bear to whet to experiment behind on board, make A2 bottle ground the 24 h2 movement with the 80rpm. Take out from whet the bottle the sample, clean, dry the heavy M2 of steelyard. By rule measure 10 average diameter Ds of ball. 6, As a result way: Through the impact, wear to experiment without the fracture; have no broken up, all for bear to pound at sex qualified EWT=KD(M1-M2)/ M1 EWT: the equivalent wears the K: Correction coefficient 4.17*10-4mms-1s D: average diameter mm of the ball M1: the sample whets the ex-heavy g M2: after sample whet heavy g