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  1. GrouchyStressedTensePoor

    Regarding Sheet metal drawings

    We do a lot of this. We send out fully dimensioned PDFs and DXF flat patterns. We make it clear that the drawing is the master document, and that we are providing the DXF as a courtesy. We state the K factor used to generate the flat, and it is up to the supplier to adjust the DXF as necessary...
  2. GrouchyStressedTensePoor

    Latent heat of sublimation

    Hi, What fluid is being used and what is the pressure? GSTP Graduate Mechanical Design Engineer UK
  3. GrouchyStressedTensePoor

    Are ex-graduates second best to ex-apprentices?

    Hey OP just want to say that I absolutely feel you and sympathise. I'm a mechanical engineer, but my experience has mirrored your own even down to I attended a hydraulics course where I was the only guy in the room with a degree and once that got found out the teacher relentlessly picked on me...
  4. GrouchyStressedTensePoor

    Sectioning a rib in a derived part.

    So you start with a part file for the casting and then use the split feature to seperate that part file into multiple bodies, which you then save out as distinct part files, correct? In these part files you have one feature in the feature tree; your "stock" feature, which makes your part a...
  5. GrouchyStressedTensePoor

    Advice on structural engineering please

    I don't know for sure but I would probably start with the local council. If, for example, this occurred in Pembrokeshire then you could go on the Pembrokeshire county council website and go to "planning and building control" and they have a link to "report a dangerous structure" e.g...
  6. GrouchyStressedTensePoor

    What system could replace a spring?

    Agree with Ed,I would take a wild guess that the spring is "undesirable" because the rest of the assembly is plastic that is metled down and so they don't want to have to take it apart and remove the spring first. Using the same material to create a spring seems to solve that problem...
  7. GrouchyStressedTensePoor

    Decimal marker - EU GD&T practices

    I know of the british standard, which I believe is based on EN standards but actually I cant find a specific reference in the relevant section. However, for your interest: BS 8888:2017 Section 4.6.2. Metric Values: "The decimal marker shall be a comma." Although despite this being in BS 8888...
  8. GrouchyStressedTensePoor

    Sketch curve length equal to model edge

    You could use convert entities to create a sketch element that is parametrically linked to your edge, make that sketch element a construction element, and then constrain your arc to have equal length to the construction element. GSTP Graduate Mechanical Design Engineer UK
  9. GrouchyStressedTensePoor

    Video of how coils are inserted into stators.

    That was interesting thanks, had this one recommended after, which was interesting also (to me anyway :P) https://youtu.be/rq6z1hShFcE GSTP Graduate Mechanical Design Engineer UK
  10. GrouchyStressedTensePoor

    Video of how coils are inserted into stators.

    I don't see a video? GSTP Graduate Mechanical Design Engineer UK
  11. GrouchyStressedTensePoor

    Massive fire at Notre Dame Cathedral - Paris

    Fantastic news about the windows, they don't build 'em like they used to eh? [wink] Any structural/materials people got any insight into what the effect of the heat could be on the stabillity/integrity of the stone structure? GSTP Graduate Mechanical Design Engineer UK
  12. GrouchyStressedTensePoor

    Massive fire at Notre Dame Cathedral - Paris

    Having had the good fortune to stand in the Notre Dame it is a real tradegy that the stained glass appears to have been lost. I was only a child but the beauty of the light streaming through those windows is firmly etched into my memory. GSTP Graduate Mechanical Design Engineer UK
  13. GrouchyStressedTensePoor

    FBD to match FEA

    How does the FEA program measure force? If we think of the applied forces as stresses and stress fields then it makes sense that the stress distribution will not be even over the edges but will instead be higher at the top and lower at the bottom. This would be analagous to having a higher force...
  14. GrouchyStressedTensePoor

    Manifold design

    Wouldn't there be 4? You could "gang" the syringes together axially/concentrically, which might make it a bit more wieldy. A flow divider could still work, and if you can't find one of suitable size I wouldn't be surprised if you could make one yourself. Maybe even machined from plastic. GSTP...
  15. GrouchyStressedTensePoor

    Manifold design

    I think 3DDave's solution is a lot more practical and elegant. I am not sure if you will be able to buy a flow divider of the appropriate size, however if you scroll down to Fig. 13-16. at https://www.hydraulicspneumatics.com/other-technologies/chapter-13-flow-controls-and-flow-dividers you...
  16. GrouchyStressedTensePoor

    Manifold design

    Would a spool type flow divider work? GSTP Graduate Mechanical Design Engineer UK
  17. GrouchyStressedTensePoor

    Mechanical design Handbook

    Would either of these books be more along the lines of what you are looking for? o Engineering Design: A Systematic Approach – Gerhard Pahl, Ken Wallace, Lucieenne Blessing o Total Design: Integrated Methods for Successful Product Engineering – Stuart Pugh GSTP Graduate Mechanical Design...
  18. GrouchyStressedTensePoor

    Geometrical constraint not working

    I hope this isn't patronising, I only say this because it has happened to me. Are you sure the converted entity is a circle and not a spline or some other sketch entity? Are you able to create an axis using the hole on the inserted part? If yes then I would recommend using the axis to constrain...
  19. GrouchyStressedTensePoor

    Can Position Tolerance and Run-Out can be applied together?

    For an example of a feature that could benefit from a tighter position than runout, how about a hydraulic manifold with a very deep oil gallery? Say the gallery is ø10mm and 300mm deep, and that the position of the entrance to the gallery - or the hole on the face of the manifold - is...
  20. GrouchyStressedTensePoor

    Free surface flow

    Thank you for providing context, which is always appreciated. Your PDF confirms that I was correct in my understanding of what you meant. You have posted this in the wrong forum, this forum is for fluid power not fluid dynamics. What you are calling "free surface" is part of the phenomenon...

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