Card Settings and Adjustment Principles
topic
Settings vary by machine make—manufacturer instructions must be followed. General principles: too narrow spacing causes fibre damage (breaking strength loss); too wide produces more neps. The narrowest setting (cylinder to doffer) is about 0.1 mm. Key settings include feed plate to licker-in, licker-in grid, licker-in to main cylinder (0.2–0.25 mm), cylinder to flats (progressively narrowing from 0.35 mm at entry to 0.25 mm at exit), and main cylinder to doffer (0.1–0.125 mm).
Role
Precise settings are fundamental to card performance. The progressive narrowing of flat settings from entry to exit creates an intensifying carding zone. High-performance cards have specific settings that differ from conventional cards and must be determined following manufacturer recommendations.
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