American School of Correspondence · Chicago, American school of correspondence · leaf 180
298.66 X 16.57Example: ^^ = 29.99 Rule 11. To find the draft of the card between the feedroll and the calender rolls in the coiler box: Multiply togetherthe driving gears and the diameter of the coiler calender roll anddivide the product by the product of the driven gears multipliedby the diameter… … lis DIA. LEMDER ROLL 157 120 COTTON SPINNING. and Ri, V and Qi and N and N^ are in pairs, they may be omittedin the calculation. In order to avoid fractions, the diameter ofthe feed roll, which is 21 inches, can be called 18, as there are -^in 2| inches, and the diameter of the coiler calender…
Textile industry and fabrics
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