SOME NUMERICAL QUESTIONS OF YARN SPINNING PROCESS:
Q. No. - 1
An opening roller in the blow room with 100 cms. length 38 cms. diameter and 2 teeth per square cm. is rotating with an angular velocity of 400 rpm to deliver fiber tufts at a production rate of 500 kgs per hour. Calculate the intensity of opening(fiber mass in mg per tooth) of the opening roller approximately?
Opening roller diameter - 38 cms.
Opening roller length. - 100 cms.
Tooth density - 2 teeth/ square cm.
Opening roller rpm. - 400
Production rate. - 500 kgs/ hrs
The intensity of fiber opening -?