Mill Maintenance Standards

Mill maintenance standards
1, reducer, motor and coaxial drive shaft drive coupling should be kept high, the centerline of the different axis not greater than 0.3mm, the center line   of inclination less than 1/1000. Press, ball mill liner installation should be installed end caps, cylinder liner from the population at the start, according to the assembly requirements, the screws evenly to tight and not leaking.Rubber liner with no gap, crevice use the sponge blocked. Machined surface, the base of the two Energy-saving Ball Mill bearings in the same horizontal plane, the center spacing tolerance 1mm, the longitudinal centerline not parallel deviation 0.5mm, rampant centerline deviation meters 0.5mm. 4, spherical bearing seat contact surface should be connected to corner uniformity; not less than 1-2 points per 50 ?50mm2; hollow shaft and the watts contact surface should be 90 -100   per square inch of not less than 2:00,   alicey999 the journal and bearing both sides of the gap is approximately the same. 5, the pinion centerline and the centerline of the gear should be parallel, the deviation is not greater than 0.2mm per meter.Tooth tip clearance of 1/4 modulus, backlash 1.06-1.8mm, ball mill tooth surface contact area is not less than 50% of tooth length, tooth height 40%. 6, with the surface of the ball mill cylinder flange and the front end cap should ensure good contact, are not allowed to add pads, two hollow shaft misalignment tolerance is less than 0.8mm.
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  The ring gear Metallurgy Rotary Kiln and the cylinder end cap when connecting the assembly correction should be strong thrust, having a good positioning pin radial swing of the ring gear is not greater than 0.5 mm, axial swing of not greater than 0.84mm.The ball mill wear scrapped standards: a hollow axis surface of the groove, the round surface of the local within the scar or worn out caused by the hollow shaft deformation, cracks, etc. should be...