Re: Hydrualic question.

Posted by Tractor guy on July 06, 2000 at 23:12:04 from (63.83.146.81):

In Reply to: Hydrualic question. posted by Kermit on July 01, 2000 at 08:48:56:

I'll try to make this simple .............

"Regen" ports pressure to both sides of the cylinder. When lowering an implement with alot of weight the weight tends to allow the cylinder to drop faster than oil can be replaced on the opposite side of the cylinder piston. The result is an air space in the cylinder, with an air space in the cylinder it will have play/ your implemant will flop around rather than remain rigid. A good example is a loader bucket full of gravel, you dump the gravel then set the bucket down to back drag and the bucket flops up and down not allowing to get a uniform material depth.
So how does a cylinder work if you're porting pressure to both sides of the cylinder, would'nt
it lock up and not move at all? Yes it would if both sides of the cylinder were exactly equal in volume. But dont most cylinders have a rod on one side filling the barrel? Hence the side with more volume has more psi overcoming the side with less volume less psi and positive pressure flow keeps the air space from forming- no floppy bucket-

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