Specification:
RODMILL APPARATUS
Rod Mills are horizontal rotatingcylindrical steel chamber of half filled with steel rods of length slightlyless than the length of chamber. The rods are of different diameter. The sizereduction is accomplished by the impact of rods as they fall back after beinglifted by the rotating chamber. Rod Mill is fitted on a sturdy MS frame.
Charging of rods and material is doneby the means of opening provided in the chamber.
The chamber is turning about thehorizontal axis through a reduction gearbox drive through a motor.
The stepped pulley arrangement isdone for moving the Rod Mill at three different speeds.
A revolution counter is provided tofind out the number of turns. Special arrangement is done to free the Rod Millfrom reduction gearbox for charging and discharging the material.
Experimentation/learning objectives:
To determine the efficiency of a RodMill for grinding a material of known WI.
To study effect of RPM on the powerconsumption of a Rod Mill.
Utilities required:
Electric Supply: Single phase, 220 V AC, 50 Hz, 5-15 amp combinedsocket with earth connection. Earth voltage should be less than 5 volts.
Raw Material for Feed.
Sieve Shaker with set of sieves foranalysis.
Floor area: 1.5m x 1.0m
Technical details:
Rod Mill : Material MS Dia 275mm, Length 350mm. Thickness 4 mm(approx.) With rods of compatible size & quantity
Discharge Chute: Suitable size.
Drive: 1HP motor coupled to Reduction Gearbox & 3-step pulley.
Product receiver: Material Stainless Steel of suitablesize.
Control Panel Comprises of:
RPM measurement: By proximity sensor with Digital indicator
Energy measurement: Electronic Energy meter.
MCB: For overload protection.
Standard make on/off switch, MainsIndicator etc.
The set-up is fitted with requiredguards.
EDUTEK INSTRUMENTATION
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