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3.2.1.2. Swit ching cy cles
During each switching cycle, the SKW switches back and forth one time. The
pre-set conveying ratio is not affected by this. In order to prevent strong formation
of layers in the conveyed material, the number of switching cycles per conveying
procedure can be freely selected. Setting takes place by entry of one cycle
period. The cycle period can be set between 5 and 50 seconds. The setting is
carried out in five seconds.
F
The cycle period may not be longer than the conveying
time.
&
The shorter the cycle period, the higher the number of
switching cycles.
The higher the number of switching cycles, the less
significant is the zoning effect in the hopper loader.
Example
Conveying time: 90 seconds, cycle period = 15 seconds
Calculation of switching cycles:
conveying time
cycl e period
switching cycles
s
s
sw= =
90
15
6 itching cycles
F
Cycle period must always be high enough that both virgin
material and regrind are conveyed properly.
046-3MS
SKW
Functio nal des crip ti on 25