. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . ce only a smallportion of the fiber escapes the heckling action in the first working through the machine, and is pretty sure to be thoroughlycleaned and straightened the secondtime through. The chain takes thehemp from the cylinder, on a linetangent to the detaining cylinder,thns forcing the hemp firmly be-tween the pins and on the bars. Thedraw at this point is nearly in front of the chainare t
. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . ce only a smallportion of the fiber escapes the heckling action in the first working through the machine, and is pretty sure to be thoroughlycleaned and straightened the secondtime through. The chain takes thehemp from the cylinder, on a linetangent to the detaining cylinder,thns forcing the hemp firmly be-tween the pins and on the bars. Thedraw at this point is nearly in front of the chainare the drawing rollers, which, draw-ing the hemp in about the proportionof one to one and one-half, forms itinto a compact sliver. Five workingson this system accomplish the workdone by the system represented workings on machines similarto Pig. 5, and one drawing, fits thesliver for the spinning-room. Thecapacity of this system is from 18,000 to lbs. per day. The arrangement of asetis shown by Fig. 6. The jenny, illustrated by Fig. 7, consists of a slow-moving t « 4 -^ M .^f F F .S s S S F F F F FD D D D D c o c o o Fig. 6.—Arrans^ement, Montgomery Fig. 7.—Hemp spinning-jenny. chain, in front of wliieh is the flier containing a pair of capstan wheels Each revolution ofthe flier causes the capstan wheels to draw in a certain uniform amount of sliver. Each 48 754 EOPE-MAKING MACHINERY. revolution of the flier puts one turn into the hemp drawn through, forming it into a thread ;and at the same time winds an equal amount of spun yarn on the bfibbin, which hohls about15 lbs. The bobbins are sent to the rope-walk or rope-machine room to be made into of a diameter of f in. or less is made on rope machines, Figs. (S and 9. That of largerdiameter is made in the rope-walk, although rope machines have been built to make thelarger sizrs. Fig. 8 represents the former, on whieli tlie yarns are twisted into strands,and Fig. 9 the layer, on which these s
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Keywords: ., bookcentury1800, bookdecade189, booksubjectmechanicalengineering
