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Type: Posts; User: Kelly Bramble

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  1. BS8888 does not provide specific guidance on...

    BS8888 does not provide specific guidance on concentricity tolerance however paragraph 9.1 - 9.3, general tolerances does suggest the usage of BS EN 22768-1 also known as ISO 2768-1 for general...
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    LMB y MMB son modificadores de datum y pueden...

    LMB y MMB son modificadores de datum y pueden estar relacionados con tolerancias de posición.
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    I have a boat - it gets launched in salt water....

    I have a boat - it gets launched in salt water. The calipers are aluminum and the bleeder valves are steel and coated. Brakes should only be bled once maybe twice in the useful life. I always water...
  4. I’m sure you’re aware that you can mix carbon and...

    I’m sure you’re aware that you can mix carbon and nickel steels for functional requirements. For example, more than thirty years ago I worked at Bell Helicopter Textron and designed fatigue testing...
  5. You seem to be changing the question to fit? ...

    You seem to be changing the question to fit? Your questions now appear to be more academic in nature with a need for sourcing. Depending on volume buy as local as you can and as common materials as...
  6. Nobody can tell you what end material you need to...

    Nobody can tell you what end material you need to satisfy stress requirements or some generic weight vs cost vs strength requirements you may need based on a forum post.

    You need a design layout...
  7. A513 = ASTM A513, which is simply a specification...

    A513 = ASTM A513, which is simply a specification of carbon steel commonly available as 1010, 1020, etc..

    Carbon steel is very weldable, easily formed with the right tools. All you rally need to...
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    I would use a simple lever calculation to...

    I would use a simple lever calculation to determine the force applied by the moment force then add that load to the loading on the bolt from torque.

    See:...
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    New Technology and Protestors.

    Protesting new technology.

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    Roller Coaster Graphical Simulator

    This simulation simulates motion along a constrained path, such as what a roller coaster would take (assuming it has safety wheels to keep it on the track in “up-side-down” situations, of course)....
  11. Differential Equation Graphing Simulator

    Explicit Second Order Calculus Differential Equation Graphing Simulator

    https://www.engineersedge.com/math/explicit_second_order_calculus_differential_15501.htm

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    Datums defined @ MMB should be tooling simulated...

    Datums defined @ MMB should be tooling simulated at virtual condition.
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    Sounds like the die you used is low quality or...

    Sounds like the die you used is low quality or worn out.
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    The graphics shown look like a training class...

    The graphics shown look like a training class example as it is unlikely one would debate the concept as a variable for a design application.

    I’m going to give short answers – that’s it as I think...
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    Where did this image and question come from ?

    Where did this image and question come from ?
  16. ? Search internet for "High Torque NEMA 34" - no...

    ? Search internet for "High Torque NEMA 34" - no shortage of options.
  17. Is this training or actual end item engineering...

    Is this training or actual end item engineering design work?

    You need a positional tolerance relative to datums defining the axis that need to intersect as well as and end of the cone feature.
    ...
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    ASME Y14.5-1994, paragraph 4.5.8 and associated...

    ASME Y14.5-1994, paragraph 4.5.8 and associated graphics Figure 4-22.

    Yes, datum A and B could be used to define and create/control lockdown of all six degrees of freedom. However, due to common...
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    "thus leaving Datum C to do nothing. " - Except...

    "thus leaving Datum C to do nothing. " - Except for an undimensioned feature which is tolerance controlled to a Profile A (primary), B (Secondary) and C (Tertiary).

    The note (Profile) could be...
  20. See: Systems Engineering Handbook...

    See:

    Systems Engineering Handbook
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    Perpetual motion enthusiast say...

    Every conversation between myself and a perpetual motion enthusiast.

    Though there is never any math just a flawed concept..
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    Well, no easy answer as nobody knows what...

    Well, no easy answer as nobody knows what geometry, material, environment your system is operating in.

    First thing you need is the a rough estimate of the airflow needed to dissipate a given...
  23. (My opinion) I would seek opportunity before...

    (My opinion) I would seek opportunity before money early in your career. As you build skill sets combined with academic training other opportunities will present themselves. I understand the...
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    Soil Analysis Consolidation and Oedometer Testing

    Without pressure applied details, local specifications, end goal of performing soil testing - not sure what you need..

    However, here is a document that maybe helpful.

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    Have they provided any part mold-ability...

    Have they provided any part mold-ability recommendations? Poor part design will be tough to mold.
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