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Recent content by penguegio

  1. penguegio

    What might have caused this

    Thanks to everybody, The cylinder I'm investigating on has a rod made from 17-4PH (Nikrom brand). We had inquired the manufacturer of these rods and they came up with the theory of galvanic corrosion after we supplied the detailed drawing of the cylinder. They said that, because of an internal...
  2. penguegio

    What might have caused this

    Thanks, So which material is the most indicated for a cylinder's rod in a marine environment? Thanks
  3. penguegio

    What might have caused this

    Hi, Yes, it is AISI 630 with hart chrome treatment. Thanks
  4. penguegio

    What might have caused this

    Hi All, This is a detail picture of a corrosion spot area on a cylinder's rod. The cylinder is working in a marine environment. I would like to know from any experience person, what they think it might have caused this. Thanks,
  5. penguegio

    Mouse pointer lags when moving.

    Hi I had the same problem, and could not find a proper way to fix it. Right now I've also another problem...when moving object they start to move in an uncontrolled way and after that when selecting an object the handle appear far away from the object itself. Picture attached...
  6. penguegio

    17-4 PH steel with chroming treatment

    Thanks
  7. penguegio

    17-4 PH steel with chroming treatment

    Hi to everybody, I would like to know if it's normal to require a chroming process on 17-4 PH steel material. We were asked to produce an hydraulic cylinder with a rod made from 17-4 PH steel with chroming. If chroming on this steel can be done, is there any specification on how it should be...
  8. penguegio

    One-way torque limiter?

    Hi Kirrer, Thanks for the info. It looks interesting. Just to understand your suggestion. Do you meant that I should combine to element (clutch + Mechanical diode) by myself? I would prefer one single item that I can buy from the shelf. Thanks Ciao
  9. penguegio

    One-way torque limiter?

    Hi, I would like to know if exist a "one way torque limiter". Basically I'm looking for something that fully engage in one direction while disengage with torque friction in the other direction. Thanks
  10. penguegio

    Scraper failure

    Hi EdDanzer, Yaa..true, it look like is installed backward. But I can't get when you say "wiping lip was compressed against the bottom of the step" Would you like to explain it further? Thanks Regads
  11. penguegio

    Scraper failure

    Hi Automatic2, Would you like to explain further? The scraper used is made of two part a metal housing and a rubber part. You can read the code in the sketch I provided (trelleborg brand). Since I'm not the manufacturer of the cylinder by only the end user, I'm now wondering if they have...
  12. penguegio

    AISI2205

    Hi, Sice we can't take any risk, we will replace them and get back the old ones. Once they are back we will send for analysis and I will let you know. Thanks Bye
  13. penguegio

    AISI2205

    Hi EdStainless, Are you saying that if I machine AISI 2205 I will lose the corrosion resistence properties? Thanks
  14. penguegio

    AISI2205

    Hi Cloa, It is a machined part. No welding involved. Was made from a rod of diam. 50 amd machined down to 35mm and 48mm. Thanks
  15. penguegio

    AISI2205

    Thanks Yes, the pin is in contact with painted steel. I tought the paint will act as separator and prevent galvanic phenomena. The weather at the port where the machine is installed it might experience very hot and humid environment (tropical climate). Thanks
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