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Trunnion Vs Ball Jointtype Of Ball Mill

construction of ball mill/ ball mill structure | henan,structurally, each ball mill consists of a horizontal cylindrical shell, provided with renewable wearing liners and a charge of grinding medium. the drum is supported so as to rotate on its axis on hollow trunnions attached to the end walls (attached figure 1 ball mill). the diameter of the mill determines the pressure that can be exerted by the.amit 135: lesson 7 ball mills & circuits – mining mill,ball mill operation. ball mills ride on steel tires or supported on both ends by trunnions. girth gears bolted to the shell drive the mill through a pinion shaft from a prime mover drive. the prime movers are usually synchronized motors. during rotation, a portion of the charge is lifted along the inside vs trunnion-mounted mills,shell-mounted mills with end walls directly above the main bearings are generally stiffer than trunnion-mounted mills. we have checked this by comparing a 26 ft shell-mounted ball mill with a trunnion-mounted mill of equal grinding volume and same diameter. detailed finite element models of each mill were ball mill discharge trunnion crack,the ball mill was shut down on june 28 for removal of the trunnion, liner and two part urethane. the presence of the urethane extended the job from the original six hours to 4 days. preliminary discussions between engineers indicated that there were possibly as many as six (6) eroded areas that would be susceptible to cracking based on their visual comparison of eroded areas during their initial.

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