STEP CLEANER

Ø Its example is B5 of Marzoli also known as ultra cleaner or giant cleaner.
Ø It is used for pre cleaning purposes.
Ø Material from the plucker in the form of small tufts enters into a feed hopper and passes to first beater, condenser pushes air out and a stripping roll gives this material to the feed rolls.
Ø A photocell is also used to control the required quantity of cotton in the machine, by turning it on and off.
Ø From here it is passes through series of beaters some times 6 sometimes 4 inclined upward at an angle of 45 degree.
Ø These beaters have spikes, which are oval in shape, if we see these beaters from front then all the spikes will be lined with 12 spikes on one side and 13 on the other side.
Ø That beat the cotton across the grid bars that are placed at 3mm distance continuously and the impurities are removed from the material. Where from trash is cleaned after time and time.
Ø The position of the grid and the speed of the beaters can be varied with the help of motor that drives these beaters.
Advantages;
Because the beaters are driven with same motor and they are same in size there gauges are also same so they have following advantages;
· Less neps are produced
· Less power consumption
· Good beating is accomplished
· They occupy less space
· Less damage to fibers