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Optimally designed drives on shredding machinery for plastics |
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| The change in the form of a
product by shredding is a central process stage in processing of plastics. Its
efficiency depends here essentially on the best possible designed drive for the
shredding machine used. At K 2007, WEIMA Maschinenbau GmbH, Ilsfeld, presents
optimum drive concepts for different tasks in plastics shredding, such as
hydraulic, compact and conventional drive. |
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| Single shaft shredders are used
for shredding of plastics that are difficult to shred, up to the toughest
plastics, films, mixed materials, etc and are optimally fitted then with a
hydraulic drive. This hydraulic drive is then entirely insensitive to disturbing
substances. Speed and torque can be adapted according to the material to be
shredded, without undesirable current peaks arising. The available drive power
can be optimally applied so that the power consumption under partial load can be
reduced by as much as 30 percent. |
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| With compact drive, the electric
drive motor is connected directly with the shredding machine and adjusted via a
frequency converter to the required speed or required torque, so that it is
possible to desist from use of a gear. The machines are characterised by a
compact design, high performance, in particular with the single shaft shredders
in the speed range of 20-200 rpm, quiet running, low wear and a high degree of
system rigidity. |
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| Conventional drive – when used
with granulators and single shaft shredders, for example – is applied using a
standard motor and via a gear, through which the speed is adjusted. The machines
can be universally used. |
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K 2007, Düsseldorf, 24-31
October 2007, Hall 9, Stand A59-A63
Contact: Jörg Töpfer, Sales Manager |
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| © WEIMA Maschinenbau GmbH · August 2008 |
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