Monday, December 30, 2019

Advantages of Jack bolts

  • Jack bolts are used in Sulzer RTA engines
  • Tie rod should always be as close as possible to the crankshaft
  • Adv of bringing tie rod closer is to reduce the bending moment on transverse girder.
  • If there is bending moment on transverse girder cracks would propagate ie why Sulzer has employed a jack bolt so that the bearing top cover is held in position by the jack bolts.
  • In B & W main bearing top cover is in two pieces.ie bearing cover  or keep in of 2 pieces.

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