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Type: Posts; User: Kelly Bramble

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  1. ASME, ISO or whatever... Tolerances are not...

    ASME, ISO or whatever...

    Tolerances are not rounded. Flatness .001 = .0010000000000000000000000000000000000..... infinity

    Your metrology equipment should be 10X more repeatable for imperial...
  2. I always wait a few months or one release before...

    I always wait a few months or one release before I upgrade any software.

    This avoids the challenges with bugs - I'm not interested nor have time to beta test software.
  3. I'm going to type text in the order I verify.. ...

    I'm going to type text in the order I verify..

    ASME Y14.5-2009, read the following:

    Most of section 1.7... specifically:

    1.7.5.1

    Section 1.8..
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    If beams are separate, spacing should be closer...

    If beams are separate, spacing should be closer and maximum loading is understood per beam, stress, deflection, code requirements calculated and compared to design requirements.

    If beams are...
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    All drafting practices including modern ASME and...

    All drafting practices including modern ASME and ISO specify that a blind hole starts from the surface which it is shown as non-hidden or by solid outlines.

    Engineering drawings should be created...
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    Given vague - limited information.. The line...

    Given vague - limited information..

    The line showing the center bolt circle should be a center line.

    On the 4 mm holes, what does "Full Dia" do? What else would the hole features be?
    ...
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    Third or first angle drawing? If drawing is...

    Third or first angle drawing?

    If drawing is declared as first angle projection - 4mm holes specification is correct.
  8. See: ...

    See:

    https://www.engineersedge.com/calculators/agma_worm_and_spur_gear_design_equations_and_calculators_15310.htm

    Which is per. industry standard ANSI/AGMA 6034-B92
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    I suspect that intent may have been that 1/3 of...

    I suspect that intent may have been that 1/3 of hole is to ensure drainage from the pipe due to condensation or water entering from the top.

    When placing posts in my part of the world it is wise...
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    I'm a little confused with your explanation. I...

    I'm a little confused with your explanation.

    I do wonder if there is a code that overrides the manufacturer requirements and is being enforced by the inspector?

    You should have a "why" ...
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    Defective pressure regulator? Would need a...

    Defective pressure regulator?

    Would need a system schematic to trouble shoot.
  12. Not sure how to take your statement - but...

    Not sure how to take your statement - but inventing a spline geometry is a waste of effort as well as unpatent-able..

    Also, while we're on the subject, don't waste time inventing the following:...
  13. Unknown size and I'm guessing 10N (2.25 lbf) is...

    Unknown size and I'm guessing 10N (2.25 lbf) is applied at the tooth? Without knowing the size of the coupler and where that force is being applied I'm guessing a bit.

    Torque is given in lb-in, or...
  14. To start... and the most important question for...

    To start... and the most important question for the moment, how much torque is the coupling seeing?
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    Sand cast, You sure? You would need...

    Sand cast, You sure? You would need approximately .050" (1.3mm) machining allowance.


    I suspect this is more of a die cast part.
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    I've seen tubes that were deep drawn and then...

    I've seen tubes that were deep drawn and then polished internally used for shock absorbers / McPherson Struts.

    Build or maybe find an existing tube diameter.
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    ID of pipe smaller than required on build then...

    ID of pipe smaller than required on build then drill/ream to size for accuracy and consistent cylindrical surface.
  18. The calculator delivers two stress calculation...

    The calculator delivers two stress calculation points, one at the support and one at a distance x from the support.

    Thus, there are two stress "s" calculations and two deflections "y". One at l...
  19. Doing an analysis without any engineering...

    Doing an analysis without any engineering training or education will be challenging. I do suggest that you determine the risk associated to yourself, end user and employer before proceeding.

    See:...
  20. The final functional test should reflect the way...

    The final functional test should reflect the way the strut is functionally used.
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    See: AGMA Worm and Spur Gwar Design Equations...

    See:

    AGMA Worm and Spur Gwar Design Equations and Calculator

    https://www.engineersedge.com/calculators/agma_worm_and_spur_gear_design_equations_and_calculators_15310.htm
  22. Look at the time that the torque is applied and...

    Look at the time that the torque is applied and any cyclic loading. Energy will be absorbed by the flexible shaft but eventually total input torque will be translated through the shaft.
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    Current, voltage and crosstalk requirements would...

    Current, voltage and crosstalk requirements would be you only concern. Possible solution.
  24. If this is a closed system pressured above that...

    If this is a closed system pressured above that produced by gravity then the pressure is the same everywhere except during flow.

    If it is a gravity system the system will vary with elevation.
    ...
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    Hydraulic accumulators are sized and pressured to...

    Hydraulic accumulators are sized and pressured to the system operational volumetric and pressure requirements. If you install an accumulator that operates at the wrong pressure charge and/or...
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