Significance of snap rings in a turbo

  • Context: Automotive 
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Discussion Overview

The discussion revolves around the role and significance of snap rings in turbocharger core assemblies, focusing on their functions, materials, and importance in the assembly process. The conversation touches on both theoretical and practical aspects of turbo machinery.

Discussion Character

  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Some participants suggest that snap rings are essential for holding bearings in place and are easy to install.
  • Others note that snap rings are a cost-effective solution for retaining bearings and seals within turbo assemblies.
  • One participant highlights that snap rings address concerns related to dimensional changes due to heat and stress, as well as vibration in turbo machinery design.
  • A question is raised about the specific applications of snap rings, such as whether they hold housings or bearings.
  • Another participant mentions observing snap rings during a turbo assembly and inquires about their material composition and specific functions related to journal bearings.
  • A participant shares a personal experience regarding the use of snap rings in the assembly of a specific vehicle model, indicating their role in both housing and bearing retention.

Areas of Agreement / Disagreement

Participants generally agree on the importance of snap rings in turbocharger assemblies, but there are differing views on their specific applications and materials, indicating that the discussion remains somewhat unresolved.

Contextual Notes

Some assumptions regarding the specific types of snap rings and their materials are not fully explored, and the discussion does not clarify the extent to which different snap ring applications may vary across turbocharger designs.

monty37
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Why are snap rings used in turbocharger core assembly ,and how important are they ?
 
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Hmmmmm. Sorry if this sounds like a smart a$$ answer but if they are there I am sure it is for a good reason. Like to hold it together?
 
They hold bearings in place and are easily installed. Rods/shafts have to be passed through casings and turbo internals before the bearings can be installed, so the best way to hold bearings in one spot is to use snap rings.

They are very important.
 
You have already heard good answers. Snap rings are cheap and effective means of holding such things as bearings and seals in place.

But a general comment about turbo machinery is probably in order. Two things cost probably the most in the design phase. They are how things change dimensions with heat and stress, and vibration. Often, at least part of the solution to these concerns will involve a snap ring rather than some other retention device.
 
Snap rings that hold the housings together or snap rings that hold the bearings?
 
well i happened to see a turbo being assembled ..thats where i saw snap rings ..what material are they made of ..and do you mean to hold together the journal bearings ?
 
On my 3000gt VR4, they hold the cold side compressor housing on as well as the bearings.
 

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