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Shredding of Bulky Plastic Containers |
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| The WEIMA Group has developed a
new version of the WLK 12 single-shaft shredder for the size reduction of bulky
plastic containers and parts with thin gauge wall thicknesses like totes,
barrels, drums, tanks, etc. The compact design of the machine includes a new
press-down device that enables the customer to shred even the largest size totes
without the need to pre-cut. |
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This new single-shaft
shredder is equipped with a doghouse design hopper that is open over top of the
rotor. Whole Pieces are directly loaded into the front of the machine. After the
container is loaded into the cutting chamber the integrated press-down device
will ensure that the part is situated in the bottom of the shredder. The
horizontal ram pushes the material into the rotor parallel to the down stroke of
the press-down device.
Both pressing actions are controlled by sophisticated electronic controls that
read the amp-load on the main motor and optimize the pressure applied to the
cutting rotor. This optimization acts to keep material in constant contact with
the rotor. The WEIMA V Rotor provides tight tolerances between the rotor and
the stator knife to ensure proper size reduction. When material is shredded
small enough it will pass through a screen that is mounted under the rotor. At
this point, the material can be further granulated if desired.
The working width of the WLK 12 is 1,200 mm (47.2). This size machine can
handle intermediate bulk containers and other large totes along with materials
in sizes up to 1m x 1m x 1 m . The V-Rotor that is utilized on this machine has
a diameter of 368mm (14.5). The main drive of the WLK 12 is either equipped
with a 37kW (50hp) or a 45kW (60hp) motor to achieve capacities of 600-1,000
kg/hour (1,300-2,200 lbs/hour) with screen sizes from 20mm-100mm (3/4-4). The
machine weighs approximately 7500 kg (16,500 lbs). Alternative sized machines
are available upon request.
The machine can be used for other applications like purgings if the optional
press-down device is disengaged.
Caption: WLK 12 single-shaft shredder for the size reduction of bulky plastic
containers and parts with thin gauge wall thicknesses. |
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