Power Volume N . 56, a 15

Power Volume N . 56, a 15

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 edition. Excerpt: ...for small molds, which must flow readily. The effect of phosphorus in iron is to make it flow at a lower temperature than if the phosphorus were not present.) c. Failure of wheel due to crystallization. d. Failure of wheel due to internal stresses. e. Failure due to accidents to engine. f. Failure of wheel due to improper design. g. Failure due to dirt or foreign materials carried in rim h. Failure due to holes drilled in rim. i. Failure due to increasing diameter by adding on to rim. j. Tight keys. k. Wheel sttruck by flying objects. 1. Belt pull. m. Loose bearings. Of the foregoing causes derangement of the governor is probably the principal one and broken belts the next most important one. Remedies For Dangerous Conditions Generally speaking, remedies that can be applied for the prevention of flywheel accidents may be found among the following: a. Better governors: (1) triple rope drive instead of single belt drive for governor; (2) governor sheaves to be keyed, and the unused portions of keyways to be filled in; (3) governor sheaves to have suitable guards of substantial construction; (4) safety cams on all Corliss valve gears; (5) guards around governors; (6) governor gearing inclosed in oiltight covers, readily detachable for inspection; (7) couplings, setscrews, keys, bolts, etc., in moving parts countersunk; (8) better care of governors. b. Better care of engine parts, belts, etc. c. Lower flywheel speed. (Two small wheels instead of one large one.) d. Solid wheels instead of jointed wheels, or link-jointed wheels instead of flange-jointed ones. e. Steel, wood or other wheels adapted to high speeds instead of cast-iron wheels. f. Better design of equipment: (1) Avoidance of overload; (2) arrangement of steam piping to avoid breakage; (3)...show more

Product details

  • Paperback | 66 pages
  • 189 x 246 x 4mm | 136g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236611594
  • 9781236611598