Am I allowed to ask at what temperature must the rings be annealed? and for how long in an oven?......assuming we are using an oven.......from some engine part factories I have previously visited, stress relieving is normally like 200DegC (392DegF) for about 2 hours? then remove and allow to air cool.......the parts will go a straw/pale-yellow colour afterwards?.......but I admit its been a while since I dabbled in steel heat-treatments......sounds like annealing and stress-relieving are two different heat treatments?
So only de-tension the scraper ring and two thin oil control rings, ok got that, not the top ring, ARC have a good article on their blog which says the same.......but what about the expander spring?......should that be de-tensioned, or just clipped down a bit?
I thought this article was interesting, they mention 480-520DegC (896-968DegF) for 10 minutes, then air cool.......but the article looks ancient!
http://www.metalstop.com/technical/wal-ring/wal-ring-b.html
So only de-tension the scraper ring and two thin oil control rings, ok got that, not the top ring, ARC have a good article on their blog which says the same.......but what about the expander spring?......should that be de-tensioned, or just clipped down a bit?
I thought this article was interesting, they mention 480-520DegC (896-968DegF) for 10 minutes, then air cool.......but the article looks ancient!
http://www.metalstop.com/technical/wal-ring/wal-ring-b.html
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