Tooth Height and Its Effects on Carding
topic
Metallic clothing height on the cylinder varies between 2 mm and 3.8 mm and must be very uniform. Shorter teeth leave space for more teeth at a given carding angle, reduce fibre escape into the clothing during carding, provide better carding over the total surface, and are less inclined to choke with dirt particles. Height also influences point density since shorter teeth permit tighter tooth spacing.
Role
Tooth height selection involves trade-offs between fibre accommodation capacity, carding intensity, and choking resistance. The trend toward shorter teeth in high-performance cards reflects the need for higher point populations and better dirt handling at elevated throughput rates.
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