reel not working
reel not working
(OP)
Hello evverybody,
at one of our machines, that we designed, we are using a twin hose reel to suply a twin hydraulic hose to a moving hydraulic cylinder. The reel is backwindet by an in build leaf spring. About a meter below the reel the hose is twisted by 90 degrees in axial direction and fed through a puley (the hose is now runing parallel to the rotational axis of the reel). The operating pressure is 130 bar and the hose diameter is 1/4''.
The reel we bought is designet to work with hydraulic hoses.
The problem is that, the reel didn't wind in the hose when we tested it on the finished prototype a few months ago (the hose was under pressure).After that we hawe taken the machine apart. Now we have tried to make the reel work and suprise it does, without modifying anything (but without the pressure, the machune is still taken apart).
Is the pressure+twist the culprit, or is something happening with the leafe spring, or something else? Any ideas?
Thanks alot.
at one of our machines, that we designed, we are using a twin hose reel to suply a twin hydraulic hose to a moving hydraulic cylinder. The reel is backwindet by an in build leaf spring. About a meter below the reel the hose is twisted by 90 degrees in axial direction and fed through a puley (the hose is now runing parallel to the rotational axis of the reel). The operating pressure is 130 bar and the hose diameter is 1/4''.
The reel we bought is designet to work with hydraulic hoses.
The problem is that, the reel didn't wind in the hose when we tested it on the finished prototype a few months ago (the hose was under pressure).After that we hawe taken the machine apart. Now we have tried to make the reel work and suprise it does, without modifying anything (but without the pressure, the machune is still taken apart).
Is the pressure+twist the culprit, or is something happening with the leafe spring, or something else? Any ideas?
Thanks alot.





RE: reel not working
Well you have access to drawings, materials, dimensions etc.
Now please read your post and pretend that you know nothing about the system you've described and then consider how we could possibly answer the question.
“Do not worry about your problems with mathematics, I assure you mine are far greater.” Albert Einstein
RE: reel not working
RE: reel not working
RE: reel not working
http://eprints.lib.hokudai.ac.jp/dspace/bitstream/...
RE: reel not working
Check to see if someone added Viagra to the hydraulic fluid.
RE: reel not working
B.E.
You are judged not by what you know, but by what you can do.
RE: reel not working
The extra twist doesn't help. See "Corvair fan belt problems".
Mike Halloran
Pembroke Pines, FL, USA
RE: reel not working
RE: reel not working
Walt