. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . Nicholson <f- Wnli-rmnnx Brnnrhiiifi-Mnr1nnp.— V\^f^. 1,and 2 show a broacliing-macliirie built by Nicholson i*i: Waterman. Providence. U. I., ar-ranged for milling the sides of nuts and lioll-lieads. The cutters consist of straight mills,witii teeth set angling and slightly hooking. Two sides are finished at one pass. The cuttersare set in a swivcl-lieaad swings fnimunder the plunger to facilitate the entering o
. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . Nicholson <f- Wnli-rmnnx Brnnrhiiifi-Mnr1nnp.— V\^f^. 1,and 2 show a broacliing-macliirie built by Nicholson i*i: Waterman. Providence. U. I., ar-ranged for milling the sides of nuts and lioll-lieads. The cutters consist of straight mills,witii teeth set angling and slightly hooking. Two sides are finished at one pass. The cuttersare set in a swivcl-lieaad swings fnimunder the plunger to facilitate the entering of work. Guide or holder l)locks secure theuniformity of angle, centralization of bolt-head or nut. and .serve as a gauge for uniform action of the jilunger is automatic in its return. .\ rotary |)ump feeds lubricant uponthe work from a tank placed under the working top. The principle ujioii which the cutting isdone is that of a shaving or drawing cut. The mit or bolt is forced down ln-tween the mills,and is guided centrally. The time occupied in milling two sides is about four seconds; for CALORIMETEE. 101.
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Keywords: ., bookcentury1800, bookdecade189, booksubjectmechanicalengineering
