Engineering Mechanics; Electrical, Civil, Mechanical, and Mining Engineering Volume 8

Engineering Mechanics; Electrical, Civil, Mechanical, and Mining Engineering Volume 8

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1886 edition. Excerpt: ... the belt user the trouble of digging out what he wants to know, from its connection with other things concerning which he has no immediate interest, the facts in this little work are put in plain words and short sentences, and in the form of direct, unevasive and little qualified answers to direct questions, pertinent to belt transmission. (Continued from page nj.) Q. What is an angular coupling? A. It is a device by which one shaft can transmit its motion to another not having the same central line. Q. Where are a angular couplings most used? A. To connect shafts which are not parallel. Q. What is a hanger? A. It is a projecting or pendant support for the shaft bearing. Q. What is a drop hanger? A. One which "hangs" properly; that is, is pendant from the ceiling, or from an overhead support. Q. What is a post hanger? A. One which projects from post or wall. Q. What is a split hanger? A. One in which the lower portion of the bearing can be removed so as to let the shaft drop out without having to back it out endwise. Q. What advantage is there in transmission by belts? A. It gives a certain amount of flexibility to the system, permitting of gradually starting and stopping, and in case of clogging of the machinery, the belts will generally slip and lessen the damage done. Q. Where are belts inadmissible for transmission? A. Where absolute regularity of rotation speed is desired. Q. What is the most commonly used belt? A. Leather. Q. Where are leather belts inadmissible? A. Where there is much dampness. Q. How is the best rubber belt made? A. By fastening the plies through and through with stitches of cotton thread to more firmly hold the plies together; and by pressing the completed belt between metal surfaces so as to get more

Product details

  • Paperback | 136 pages
  • 189 x 246 x 7mm | 254g
  • United States
  • English
  • black & white illustrations
  • 123696702X
  • 9781236967022