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  • Users: Gorpomon
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  1. Gorpomon

    Radius Pin Size For Di-Acro Bender

    Hello, I have a No. 8 Di-Acro bender. We bend U-bolts on this machine, we want to develop a list for our operators to use that tells them what raidus pin to use depending on what inside measurement the U-bolt needs. For example, if the distance between the legs needs to be 1", should a 15/16"...
  2. Gorpomon

    Simple Shaft fit question

    I have a shaft, 2-7/8"OD that rotates @ 60rpm and several ft.-lbs. of torque. I want to slide over that, a second metal tube. This metal tube will attach to the rotating shaft via set screw. What should the ID be of this second tube be? I was told to try and find 2-15/16"ID, but as far as...
  3. Gorpomon

    Open top bearing?

    Hello, I'm not really a bearing guy, but I'm looking for what I can best describe as an open top bearing. I have a large shaft that I want to support some heavy rolls, but still be able to rotate freely. I want to be able to lift the shaft up out of the bearing (so perpendicular to the shaft's...
  4. Gorpomon

    B16.5 raised face flanges question

    Hi, I'm trying to determine the OD of the raised face portion on a B16.5 flange (class 150 and 300). If you're reading B16.5-2009, would this be the dimension "Diameter of Hub, X" in column 4 of Table II-8 (pg. 162) of this standard? It looks an awful lot like the Diameter of Hub is the same...
  5. Gorpomon

    Fed up, ready to leave, how do I proceed?

    Hi, Here's my situation in brief: I'm the sole mechanical engineer (and only engineer) at a company that sells products in piping. I was hired on two years ago to steer the company in an engineering direction. Provide technical assistance to customers, provide technical support for our...
  6. Gorpomon

    coupling cardboard to a shaft

    Hi, I have a shaft that has a cardboard tube slide over it. I want the tube coupled to the shaft so they spin together. The problem is that cardboard tube is completely covered on top, so I can't just put a clamp on an exposed section and be done with it. Basically the cardboard needs to be...
  7. Gorpomon

    Autodesk Revit Architecture 2011 Certification

    Hi, I'm considering studying for and taking the Autodesk Revit Architecture 2011 certified associate certification. I'm an ME with a passion to get into the building industry and hope this can help me find a position. Few quick questions: 1. Do people actually know about this cert? 2. Would it...
  8. Gorpomon

    Unloaded Motors

    Hello, I'm working on developing a sheet roller that starts out unloaded and ends up with 250lbs of sheet rolled around the shaft. I'm looking at getting a geared motor in the 25 - 40rpm range. The sheet can't move faster than the linear speed equivalent of 25-40rpm (its a 3" shaft) because...
  9. Gorpomon

    motor selection guide

    Hello, This is a basic question and while I did do a search beforehand, none of the answers really helped. I need to select a motor to drive a sheet rolling application. The motor spins the shaft, which is initially empty and then gradually it rolls up sheet material until its around 250lbs...
  10. Gorpomon

    ASME Resume writing service

    Hi, Has anyone used this service available through the ASME career section website? Currently they charge $500 to do a resume, and $600 to do a resume + cover letter. I spoke with them, and they seemed very nice and informed, but I'm just wondering if anyone's had any problems through them...
  11. Gorpomon

    Specific Modern Flange Design Question

    Hello, I'm using Modern Flange Design Bulletin #502 from Taylor Forge for Full Faced Flanges, using the worksheet on page 14. If anyone has any experience using this document I have a question about two of the equations. On page 14, in section 4 "Load and Bolt Calculations" the equation for...
  12. Gorpomon

    Dielectric Strength and compression

    Hi, When you have an SBR Rubber and you do a dielectric strength test on it (to ASTM D149) you get some strength for a given thickness, my question is, if you compress that, like when SBR is used as gasketing in flanges, does the dielectric strength change at all? Or is it just that it gets...
  13. Gorpomon

    Why use NEMA G10 Insulation kits?

    Hi, What is the reason to use NEMA G10 gaskets for pipe insulation? They are quite common in the water industry, especially at larger sizes, however I can't see why they need to be used? Their dielectric strength is high (530 V/mil) however I doubt a pipe has 66,250V go through it (530V *...
  14. Gorpomon

    Asking good questions

    I have two questions I want your opinion on. 1. What is a good question these days? In this age of Google and Wikipedia, I feel like asking questions is increasingly frowned upon. Generally when its a factual answer I go to the internet, but these days its seems I'm forced even further to just...
  15. Gorpomon

    Roll Thread Machines

    Hi, Where can I find information on optimizing roll threading machines, specifically I'm looking for guidance on: 1. How to figure out what contact pressure the machines should be set to (I assume depending on material and size). 2. Any existing designs of gages that can be used to decrease...
  16. Gorpomon

    bending anchor bolts

    Hi, How do you determine the material length needed prior to bend round bar in to shapes, specifically I'm bending J-bolts and U-bolts with square and round bends. My problem is in calculating the initial material length to compensate for the bending, are there any references for this anyone...
  17. Gorpomon

    anchor bolt developed length

    Hello, I need to correct some developed length formulas for the manufacture of anchor bolts. I would like to know if those equations have been given in any standards or handbooks. Any help would be appreciated.
  18. Gorpomon

    LEED green associate, BS?

    Is a LEED green associate exam worth my money ($175 for the class to meet eligibility and $200 for the test, yeouch!) Will this help me move into the field of MEP, building commissioning, energy auditing and the like? I'm an ME with 2 yrs experience, 1 in piping engineering with work in...
  19. Gorpomon

    ME in LEED construction

    Hi, I'm an ME with a few years of diverse experience, 1 year (currently) doing applications style work in wastewater (bolts, joints, pipes), 1 year automotive design prior, and before that 6 months interning in supplier quality for HVAC. I'd love to work in doing either MEP for LEED certified...
  20. Gorpomon

    Bolting material for B31.9

    Hi, I'm new to working with B31.9 - Building Service Piping, so I'm not familiar with standard building service piping practices. In looking at bolt material selection, the only bolting material I see given in Appendix I is A307 Gr. B. This leads me to believe the majority of building...

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