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ConversionFormulas
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Formulas used for yarn spinning production including various yarn numbering system conversions
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L - delivery speed in m/min effy - efficiency Ne - english count Nd - No of delvieries
FRD - front roller dia in inches FRrpm - front roller rpm effy - efficiency Ne - Sliver hank Nd - number of deliveries
L - delivery speed in m/min effy- efficiency Ne - English count ( number of 840 yards in one pound) 840 - constant 2.2045- to convert from lbs to kilograms
L - delivery speed in m/min Ktex- sliver count in Ktex (kilotex) effy - efficiency 1000- to convert to kilograms from grams
L - delivery speed in m/min effy - efficiency Ne - English count
Hank = no of hank (840 yards)delivered by the machine Nd = no of deliveries Ne = hank of the material
FRS - front roller surface speed in inches/mi
FRD - front roller diamete
T.M. - Twist multiplier sqrt - square root
SS - spindle speed