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  • Users: takio
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  1. takio

    How can I calculate the axial load F1, F2, when having eccentrical loading.

    Hello Can anyone please help me with this? The shaft is located through the two holes on the rectangular hollowed structure. When applying the load P, How can I calculate the force 1 and 2? Thank you
  2. takio

    A-Frame, method of joints.

    Hello The two A-frames stands side by side and linked by the top cross beam and middle cross beam. and the middle bar has a rod sticking out at the center. Force is applied at a distance D from the middle bar. I wanted to calculate the internal forces in the beams AC, CB, and AB. I think I...
  3. takio

    Eccentric load cases.

    Hello I have a question on eccentric load cases as below. Would anyone could help me with this? [link Loading of the connection by a force inclined to the contact surface not running through the connection gravity centre.]https://www.mitcalc.com/doc/boltcon/help/en/boltcon.htm[/url] [link...
  4. takio

    Bolt torque-safety factor in member relation

    Hello When applying recommended torque from clamp manufacturer. (They said the clamp safety factor is 5, when using 109 ft lbs for 0.375 steel member.) I get safety factor of 1.5~2 in members at bolt joint surface. but my requirement for the member safety factor is 3. In this case, is this...
  5. takio

    Eccentrically loaded bolted joint-Shear force.

    Hello I managed to calculate resultant shear force acting on P1, which is caused by the far end force, 250lbs. (P1 has the highest shear force), thanks to the link below. and it is 505 lbf. but I have trouble finding shear force acting on the bolts, due to the force on the right most side...
  6. takio

    Axial load on bolt

    Hello Could anyone help me with finding out the axial load on the bolts? Thank you
  7. takio

    Bolt axial force.

    Hello Would anyone please help me with this calculation? My goal is to know the proper preload for the 4 bolts that hold the I-beam and the beam structure together, using the clamps. I used 5/8" grade 5 bolts. and How to calculate the axial bolt force of the bolts? I ran FEA simulation and I...
  8. takio

    ZEMAX Relay lens system

    Hello I hope to transmit the image that is created by the fish eye lens to a sensor, using two aspheric lenses. I don't have much experience on ZEMAX, but I worked on the simulation for the application. 1) Fish eye lens (E1628KRY) Focal length : 1.65mm, IMGC 5.38mm 2) Aspheric Lens (Link)...
  9. takio

    UG-27 Thickness of shells under internal pressure

    Hello, Could anyone help me with this question? I appreciate it in advance! What calculation has to be considered? There are two types of stresses 1) Circumferential stress (longitudinal joints) 2) Longitudinal stress (Circumferential joints) The way I understood this is that I have to...
  10. takio

    APPENDIX Y, g1 and g0 values, when having no hub.

    Hello, When calculating g1 and g0, if there is no hub. are they 0? or do they have the same value as shell wall thicknesses for both of them? Can they have the values if welding makes a small hub? Thank you
  11. takio

    APPENDIX Y , Category 2 Flange / a loose type.

    Hello! (b) Category 2 Flange. A loose type flange with a hub where credit is taken for the strengthening effect of the hub. When I calculate moment lever arms for hd,ht and hg, should I use the same equations as integral types? Should I regard this flange type as a integral type, when it comes...
  12. takio

    APPENDIX Y, B1 Calculation question.

    Hello, I would like to ask the following question. B1 = B + g1 : for loose type flanges and for integral type flanges that have calculated values h/h0 and g1 / g0 which would indicate an f value of less than 1.0, although the minimum value of f permitted is 1.0 = B +g0 : for integral type...
  13. takio

    ASME VIII-1 Appendix Y or Appendix 2 with UG-34

    Hello, I have a drawing as below. and I want to design the upper flange. It looks like Appendix Y-Class 3-Category 3 is applicable for this drawing. and it has an equation for bottom flange thickness calculation as well. and someone said i could use appendix 2 with UG-34, saying the upper...
  14. takio

    ASME VIII-1 APPENDIX-2 Thickness of hub

    Hello, When there is no hub like ring type flange. Can I use "0" for g0 and g1 which are, g0 = thickness of hub at small end g1 = thickness of hub at back of flange Thank you for your time.
  15. takio

    ASME VIII-1 Appendix Y Theta A/B/rb Slopes

    Hello, I would like to ask a questions below. Is there a typical assumed values for these? I just used "0",thinking that it's ideal situation. θA = slope of flange face at outside diameter, rad θB = slope of flange face at inside diameter, rad θrb = change in slope which flange pair undergoes...
  16. takio

    Effective Gasket Width width for self-energized gasket.

    Hello, I would like to ask some questions. My gasket groove looks like as below. It's a confined groove facing flat bottom of upper flange. In Table 2-5.2 Effective Gasket Width, I don't find any groove types that I have. The seal is self-energized metal c-gasket. How can I find the effective...

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