The Dynamics Simulation And Speed Control Of A New Swing-type Ball Mill

Swing-type ball mill is a new high-energy ball mill. It demonstrated thesignificant advantages of high milling efficiency of the new swing-type ball mill fromthe Dynamics Simulation and Experimental Studies. Homogeneous transformationtheory, MATLAB programming, CATIA modeling and RecurDyn dynamicssimulation are used to dynamic analysis, the results show that the swing-type ball millfor eight-shaped trajectory in the space. The complex spatial figure eight movementof ball milling tank campaign to generate multi-frequency intensity of the collision,thereby, enabling the abrasive powder to be more fully and quickly grinding. Thisovercomes the shortcomings of the previous ball mill plane of planetary movement,and changed by the two-dimensional to three-dimensional movement of the ball mill.By the theoretical and experimental analysis of ball milling energy, we foundthat when power is close to the nanoscale powder, the abrasive powder attached to thegrinding ball surface resulted to the decline of milling efficiency, reference and learnfrom the use of the acceleration reaction used in the planetary ball mill the powderparticles from the grinding balls the surface. The inverter control motor speed ballmill work in accordance with the macro is cosine rule, effective avoid the frequentmotor starts the motor impact the shortcomings in the pulse governor, can obtain ahigher milling efficiency.Design prepared by mechanical alloying Ti₃AlC₂powder experiments, thefollowing conclusions: Swing ball milling3h, Ti, Al, C elemental powder diffractionpeaks disappeared, the powder mixture a chemical reaction to Ti₃AlC₂（characteristicpeak of2θ=9.5°） the main crystalline phase, and contains a small amount of TiCmixed powders （Ti₃AlC₂content of83%）. Planetary ball mill in the milling3h afterthe beginning of large numbers of Ti₃AlC₂phase, but the diffraction peak width issmaller, the intensity is not high, which produce Ti₃AlC₂content not more than3h Celemental diffraction peak has not disappeared entirely. The experiment shows thatthe swing mill is indeed better than the planetary ball mill in milling efficiency.