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  1. davidneedshelp

    Torsional Yield Stress

    I have calculated the maximum torsional shear stress in a round tube and now wish to check that the material I choose (steel, type to be decided) will not fail. Materials data tables give you the tensile yield stress, or 0.2% proof strength. Is there a rule or formula to convert the tensile...
  2. davidneedshelp

    COUNT WITH IF

    Thanks Yogi.
  3. davidneedshelp

    COUNT WITH IF

    Thanks Joerd - problem solved.
  4. davidneedshelp

    COUNT WITH IF

    Yes i have, but without success.
  5. davidneedshelp

    COUNT WITH IF

    Thanks for that witchdoc. This works, but my example was simplified: LF 2006 1 0 0 LR 2006 1 0 1 RF 2006 0 1 1 LF 2007 1 0 1 RF 2006 1 0 1 I have around 20 columns of data in...
  6. davidneedshelp

    COUNT WITH IF

    Suppose I have 3 columns of data. If the value in the first column contains "F" and the value in the second column is "2006" then I want to add the number in the third column to a running total of the numbers in the thrid column that satisfied the criteria. For example: LF 2006 1...
  7. davidneedshelp

    Solidworks surface trimming

    1 and 3 do not intersect or touch each other. I tried knitting 1 to 2 to 3 but this failed. It was then I tried the 2 combinations 1 to 2 and 2 to 3.
  8. davidneedshelp

    Solidworks surface trimming

    I have 3 surfaces where one edge of surfaces 1 and 2 touch, and one edge of surfaces 2 and 3 touch. Solidworks will let me knit surface 1 to 2 and also let me knit 2 to 3. However if I try to knit the already knitted 1 and 2 to 3 or the already knitted 2 and 3 to 1 it will not do it: the final...
  9. davidneedshelp

    External threads

    Is there a way of getting an external thread to show up on a drawing, just as an internal one does after using 'hole wizard'? Thank you for your help.
  10. davidneedshelp

    Solidworks surface trimming

    I am trying to trim two overlapping surfaces - I trim the first without a problem, but on trying to trim the remaining portion of the second surface get the message 'cannot partition surface, trim tool and target do not intersect'. How can I get round this - as far as I can see they must...
  11. davidneedshelp

    Turn Solidworks surface to a solid

    I have a surfaced component - is there a way of converting it to a solid body? Thank you for your help.
  12. davidneedshelp

    Extruded Cut with guide

    Thanks Scott - solved!
  13. davidneedshelp

    Extruded Cut with guide

    Is it possible to perform an extruded cut in Solidworks using a guide profile, as you would with a swept boss? Thank you for your help.
  14. davidneedshelp

    Solidworks surface trimming

    I am trying to trim a surface using a sketch. It works, but the trim projects through all surfaces, not just the one I wish to modify - there is no option to set a direction/depth as in 'cut' with solids. Is there another way? I have tried creating an extruded surface from the sketch, then a...
  15. davidneedshelp

    Surfacing in Solidworks

    Thank you Jeff and CorBlimeyLimey - this has worked. David.
  16. davidneedshelp

    Surfacing in Solidworks

    Thanks Jeff. Unfortunately I am drawing an existing component. The 3 boundaries which I am using to create the patch are each curves - one in x-plane, one in y and one in z. David Brown
  17. davidneedshelp

    Surfacing in Solidworks

    I am trying to use the 'filled surface' command in solidworks 2005, but keep getting the error message 'Boundary is open and cannot be patched.Ensure there are no gaps in the boundary or use a closed boundary.' Sounds simple but the 3 patch boundary lines I am using each have relations...
  18. davidneedshelp

    Scaling down Solidworks parts

    Thank you CorBlimeyLimey - problem solved!
  19. davidneedshelp

    Scaling down Solidworks parts

    Thanks again Kev. Unfortunately the insert/features drop down on my Solidworks 2005 does not have the 'scale' option.(7th down is 'shape')
  20. davidneedshelp

    Scaling down Solidworks parts

    Thanks Klestor. Where is the scale feature on Solidworks 2005?

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