Benjamin, Charles H[enry], 1856- [from old catalog] · New York, H. Holt and company · leaf 218
buting power to the different rooms of a factory.The grooves in the pulleys for manila or cotton ropesusually have their sides inclined at an angle of about45°, thus wedging the rope in the groove. The Walker groove has curved sides as shown inFig. 83, the curvatureincreasing towards thebottom. As… … Fig. 83. throw more of the work on the latter. 97. Strength of Manila Ropes. The formulas fortransmission by ropes are similar to those for belts,the values for S and <£ being changed. The ultimatetensile strength of manila and hemp rope is about10000 lb. per sq. in. To insure durability and…
Machine design
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