Posted by jdemaris on January 25, 2008 at 09:38:51 from (67.142.130.16):
In Reply to: Piston rings again posted by 37 chief on January 25, 2008 at 09:09:06:
Cast iron rings are designed to wear faster than the cylinder walls and will seat faster and wear out sooner. That's why many older engines that had iron rings can be re-rung without boring the cylinder walls.
Hard rings like chrome will be harder than the cylinder walls and take more abuse when the walls are rusted, pitted, etc. but will take longer to seat. The "break-in" process will rely more on the cylinder-walls wearing a bit to match the rings.
If this was my machine - it would get iron rings for a "quick fix" if I was selling it, and it would get chrome rings if I was planning on keeping it and using it.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let�s make one more addition to our series on hydraulics. I�ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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