Spindle, Ring, and Traveller Technology
topic
Ring frame spindles rotate at 15,000 to 25,000 rpm driving the traveller around the ring through yarn tension, with traveller mass selected to balance yarn tension providing adequate cop winding without exceeding the yarn strength that would cause ends down, and ring diameter from 36 to 54 millimetres governing the cop package volume at defined ring rail traverse stroke.
Role
Defines the twist insertion and yarn winding mechanism whose speed limits the productivity of ring spinning relative to open-end technologies, with spindle speed being the primary ring frame economic performance parameter whose upper limit is set by traveller speed exceeding the heat generation and wear rate threshold that causes traveller fly-off and excessive ends down rate.
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