Power Volume 23

Power Volume 23

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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. 1903 edition. Excerpt: ...to jump. After all of this is repaired and thoroughly examined, proceed to run slowly, but do not allow either journal, crankpin, or any other moving part to become hot. However, keep them sufficiently tight to prevent their knocking. These things properly attended to, everything starts off in first-class shape, and there will be no shutdown because of negligence during the properitime to prepare for the busy season all parts of the ice-making plant. ly seen in use on cylinders of 24 inches and 48 inches diameter and 66 inches stroke. The boring bar proper is a hollow casting of large diameter, finished all over and provided with a slot or groove which runs the full length and carries the feed screw F, which in turn is journaled in the faceplates or caps at the extreme ends of the boring bar. In boring the cylinder the crank end cylinder head is not removed, but a bushing B, bored out to carry the small journal J of the boring bar, is placed in the stufling-box. This accurately cen ters the bar at this end of the cylinder. At the head end of the cylinder the bar is carried by the T-shaped cross piece C, which is fastened to the cylinder face by means of the hollow rectangular distance pieces DD. These distance pieces are arranged to take hold of the cylinder head studs on one face, while cross piece C is bolted to the other face. The hub of cross piece C is bored out somewhat larger than sleeve s, which fits snugly over the boring bar; and the head end of the bar is centered from the counterbore by means of the sleeve.r and the radial tap bolts shown in Fig 2. The boring bar is driven by a worm wheel, which receives its power from a worm carried on shaft S by the two ver ticals VV from the cross piece. The outer end of shaft S carries a...
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Product details

  • Paperback | 294 pages
  • 189 x 246 x 16mm | 531g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236753836
  • 9781236753830