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Features: |
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Specifications:
Standard Accessories: Electric Motor, Starter, ‘V’ belt fittings and a set of spares Filter Screens: |
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Operation: The flow of material from the Feeding Hopper is regulated by means of a Vertical Adjustable Slide to suit the load indicated by the ammeter. Rotor with four beaters runs in anti-clockwise direction. The swinging beaters pass just beneath the Ratchet Teeth Liner fitted inside the top half of the grinding chamber, leaving a gap of 1/16" between the liner teeth and the tips of the rotating beaters. This cuts the material caught between the liner teeth like a sword with a scissors action at a high speed of 4500 to 6000 RPM. After the required size reduction, the material will pass through the screen fitted inside the lower discharge end of the grinding chamber. No sieving is required, as the appropriate size screen fitted will not allow coarser material to pass through. The air generated in the grinding chamber forces the powder to pass through the screen fitted at the bottom discharge end of the grinding chamber, into a cotton bag attached to the delivery trough below. The dust is collected through the attached balloon fitted on the discharge end. The top closed end of the balloon may be suspended from the roof or a wall of the building. Every half an hour the balloon should be tapped to knock down the dust clogging the pores of the balloon, thus releasing the pressure built-up. The dust falls in the bag below, and thus a dust free operation without wastage of product can be achieved. (When Grinding Wet-Pulpy materials, the balloon should not be used) |
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Servicing Guidelines: Lifting up the handle opens the cover of the grinding chamber. The grinding parts can be cleaned with a brush within a couple of minutes and the machine is ready for the next batch of grinding. If required, the grinding chamber can also be washed with water. Remove the cotton bag and the screen, close the cover tightly and start the grinder. Now pour a bucket or two of water into the hopper. The grinding parts will be flushed with the water and cleaned. Continue running the machine for a few more minutes as the draft of the fresh air sucked into the grinder will dry it. The beaters, when worn out, can be removed and reversed by unscrewing the two allen-screws holding the outside rotor plate. When both the edges are worn out, they can be sharpened on an emery stone and reused as new. When completely worn out, the tips can be re-welded in Manganese Steel, Ground to Size for equal weight and refitted. |
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