Comparison is done to the conventional carding machines regarding the pricker roller and the wire roller. Result shows that fiber is less damaged using the pricker roller instead of the wire roller.
The analysis is done to the mechanism of the less damage of the pricker roller. Conclusion is made that the tooth width of the wire may be the cause of the more damage of the wire roller.
The diameter of different parts of pricker is indicated by machine number. The smaller machine number means the larger diameter.
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