The theory and practice of jute spinning; being a complete description of the machines used in the preparation and spinning of jute yarns .. . ed from the diagramequals the indicated horse power, thus :— Average pressure x constant = In all the calculations required in the machinery throughoutthe mill, work with the constant number as much as possible andsave time. The friction diagrams are calculated from a piston speed of 395feet per minute. Particulars of engines from which diagrams were taken toillustrate the horse power required to drive the machinery upon theplan:— Pair of Compoun
The theory and practice of jute spinning; being a complete description of the machines used in the preparation and spinning of jute yarns .. . ed from the diagramequals the indicated horse power, thus :— Average pressure x constant = In all the calculations required in the machinery throughoutthe mill, work with the constant number as much as possible andsave time. The friction diagrams are calculated from a piston speed of 395feet per minute. Particulars of engines from which diagrams were taken toillustrate the horse power required to drive the machinery upon theplan:— Pair of Compound Horizontal Engines, cylinders placed tandem,high pressure cylinders 27 dianieter = area 5752 sq. in.; low pres-sure cylinders 42 diameter = area 13854 sq. in.; crank shaft 45revolutions per minute = 450 feet—speed of piston per minute. Highand low pressure cylinders both fitted with Corliss valves. 14 TOTAL LOAD DIAGRAMS. TOTAL LOAD DIAGRAMS. Indication of Compound Tandem 27 and 42 x 5 0 Stroke. Boiler Pressure 62 lbs. 45 revs, per min. Temperature of InjectionTemperature of Hot Well No. 1 ENGINE. Scale 82°.121°.. Mean Pressure—Front, 33-7 lbs. Mean Pressure—Back, 31-7 lbs. Average Mean Pressure—32-7 lbs. per sq. inch. —265-4. Scale ^-l
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Keywords: ., bookcentury1900, bookdecade1920, bookidtheorypracti, bookyear1921
