Friday, January 3, 2020

Swelling of journal

  • Fillet is added to some points on the crankshaft to avoid sharp edges or stress concentration at a particular point .
  •  So the point where we add the fillet, at that point we can't put main bearing so , because of this the size of the crankshaft increase which is called swelling of the journal.
Fillet : Fillet is a radius created in the transition from the con rod or main journal to the vertical portion of the crankshaft.The radius improves crankshaft strength but requires a slightly narrower bearing compared to stock production bearings

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