Bradbury, F. (Fred) · Manchester : John Heywood Ltd. · leaf 175
spring is graph-ically represented at Fig. 167 and for the spring in problem 3 atFig. 168. Problem 3. —Based on the dead weight and spiral spring systemdescribed in connection with Figs. 163 to 166. Ascertain (a) The lift of the head, (b) The average numberof foot lbs. of work done in lifting the… … Fig. 167. Fig. 168. The average load to be lifted on each pick for two machines is480 lbs. made up as follows:—Weight of two heads = 265 lbs.plus 215 lbs. (half load of 2448 hooks, 4408 harness and lingoes). The weight of the two solid drawing shafts 1 = (104 + 104)= 208 lbs. The normal length of…
Textile machinery
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