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  1. oscyes

    How to test a 12" girth gear with pinion

    Hello, Do you have any picture of the gear and the pinion you want to check?. are they spur gears or helical gears?
  2. oscyes

    V- Belts distension range

    Hello everybody, thanks in advance for all the hel I could get from this great community. My question about V- Belts is: how many milimmeters or inches can a V-Belt stretch before it fails, is there any literatura about that, I think it will depend on the cross section of the V-Belt and the...
  3. oscyes

    forklift hydraulic manifold

    thank you so much but it seems the URL is broken
  4. oscyes

    forklift hydraulic manifold

    I think te problema is in the directional valve, if I have The manifold, without valves how can I order new cartridges valves fo that manifold, wich information about the port should I give to the Seller. is there any size standard for the cartridge valves and ports? thank you so much
  5. oscyes

    forklift hydraulic manifold

    If I could just change the cartridge is it possible to purchase any brand cartridge for my manifold?, what are the standard specifications that I need to give so the cartridge can fit in the hole.
  6. oscyes

    forklift hydraulic manifold

    I am trying to find that information but nothing, that is the reason I decided to come here, thank you if an individual cartridge could be replaced that would be the best
  7. oscyes

    forklift hydraulic manifold

    Greetings to everyone I am here because I would like to know if someone has knowledge about forklift manifolds. I am sure you guys can help me the thing is that I have an EJC 16 jungheinrich which is not lifting its fork, we think that the manifold is damaged so we would like to change it but...
  8. oscyes

    Recommenden PM for Engineering and construction books

    Hello rommar, i would say that PMBOK from PMI would be a good start
  9. oscyes

    precharge pump job on a high pressure water jetting machine

    thank you all for your comments. I wiil have caution, I was trying to understand the relationship between all these variables, because i did not have the hydraulic schematic of this machine.
  10. oscyes

    precharge pump job on a high pressure water jetting machine

    thank you so much compositepro
  11. oscyes

    precharge pump job on a high pressure water jetting machine

    thanks for all your interesting comments. let me describe what happened while testing the machine. at first we had our precharge pump with a 5 inch pulley but while starting the diesel engine at minimum rpm the pressure at the high pressure plunger pump discharge was like 10000 psi. then we...
  12. oscyes

    precharge pump job on a high pressure water jetting machine

    thank you so much I knew about the cavitation problem but the oversized inlet piping makes too much sense, it all depends of the GPM delivered by the high pressure pump. so what I undertood is that if you dont use precharge pump it is possible to have cavitation because of the losses in the...
  13. oscyes

    precharge pump job on a high pressure water jetting machine

    greetings engineers, I am a mechanical engineer from a hidroblasting enterprise, I am new in this field so there are some things that I dont completely understand. we are doing maintenance to a high pressure hydroblasting (20000 psi) and I had to buy a new precharge pump for connecting it...
  14. oscyes

    smart searching with combobox excel vb

    hello everybody, I am here because I am trying to do some userform in order to get some information and paste it to a sheet wich has a template so i can print it with the information i put in the userform. the thing is that I have some comboboxes where I need to choose an item from a huge...
  15. oscyes

    reliability and maintenance

    i have always being in trouble when trying to apply the mtbf in a plant, for example i worked in refinery (oil and gas) as a student in training and we had to calculate the mtbf of rotative equipment at each plant, using shutdowns time. the purpose was trying to have an indicator which we could...
  16. oscyes

    reliability and maintenance

    Hello everybody, I am Glad to see to many comments and I thank you all for writing your point of view in this topic, i will be studying maybe one day i could be an R & M engineer thanks
  17. oscyes

    reliability and maintenance

    hello every body, I am a recent gradueted mechanical engineer and I would like to get some advice about reliability and maintenance branch. is it a well appreciated branch? which certifications should I get? do you recommend any literature for studying this area? thanks a lot for any advice...
  18. oscyes

    which brand of expander fo heat exchangers do you recommend

    Thank you
  19. oscyes

    which brand of expander fo heat exchangers do you recommend

    in our company we have a big project of retubing like 55 heat exchangers and we are wondering which brand of equipment would be the best. if anyone have some advice about any brand i will aprreciate it thanks a lot

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