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  • Users: bvanhiel
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  1. bvanhiel

    Logo disappearing from drawing templates. Why?

    I've inserted a TIF into a drawing template. It seems to occasionally disappear. The box will be there and I can edit the size and transparency options, but no image is displayed. Is the image part of the format or is it a lost reference to the original graphic file? I'm using 2008.
  2. bvanhiel

    Syringes

    How are the internal zero draft surfaces of parts like disposable syringes molded? Is it just a stripper plate or is the tool and ejection more complicated?
  3. bvanhiel

    9-Way Valve Concept

    I'm designing a product that has a need for an inexpensive low pressure (<20psi) 9-way valve with orifices in the 1/8" range. This doesn't seem to exist on the market, and custom brass bodied valves blow our budget. Something we are considering is making the valve body out of delrin with a...
  4. bvanhiel

    Design to meet drop spec

    Are there any methodologies for estimating the survivability of plastics during drop? I'm currently taking two approaches. The first is using FEA to estimate the amount of strain energy stored in the part at yield and relating that to the energy of the drop. I trust FEA to tell me where...
  5. bvanhiel

    Welding to A-arms?

    I have an 88' Civic that we are using in the 24 Hours of LeMons, a race for cars ostensibly worth less than $500. We have a mildly dangerous idea for creating extra downforce that involves a large fan, a motorcycle motor, and a large vacuum manifold that is attached to car's suspension...
  6. bvanhiel

    Estimating fan RPM

    I have a large military surplus vane axial fan that I'd like to run, but I do not know it's max RPM. Any tips on how to estimate it? My current plan is to measure the section of one of the blades (they are cast aluminum) and extimate a safe speed based on a safety factor over the yeild...
  7. bvanhiel

    Attaching a sprocket to a shaft...

    I have a 46mm keyed shaft and I need to secure a sprocket to it. The sprocket has a 66mm hole and a 4 mounting bolts on a 108mm bolt circle. Is there a quasi off-the-shelf solution? Can I buy a keyed hub in the correct size and weld on a custom flange? Thanks, b
  8. bvanhiel

    How do I make SW08 faster.

    We've finally been forced to switch to SW08 from SW07. I've turned off some of the obvious performance drags: shadows, reflections, etc, but it still seems slower than SW07. Is there a comprehensive list of "features" to turn off to return it to 2007 level performance? We're running on...
  9. bvanhiel

    How do I get specs for military salvage parts?

    I have some fans that I've purchased through a government auction. I'd like to get fan curves and other data, but I don't know what information is publicly available. I've tried contacting the original manufacturer, but got a one-liner email saying that they couldn't (wouldn't?) help. The NSN...
  10. bvanhiel

    Can I edit a form feature?

    I've got a part where the original forming tool has been lost (HD crash on the computer that created it). Is there any way to edit the form? I don't use forms much, but are they really this non-parametric? Is this improved in '08? -b
  11. bvanhiel

    Can I import Iges to an existing part?

    Seems like I should be able to import surface geometry into a part, but can't seem to figure it out. 2007SP5 -b
  12. bvanhiel

    Worth it to go to 2008?

    I'm currently working in 2007. I loaded 2008 because I needed to look at a supplied file that was a latest rev. I was pretty disgusted with all the needless tweaking of the interface, but that was just a first impression from 10 minutes of using it. We've got only one client whose...
  13. bvanhiel

    Georgia PE

    I'm interested in getting my PE. It's not required for my industry, but I think it will help my credibility as a consultant. I've got a question about the process, and I've tried calling the Board office twice with this question and got two different answers. Background: I've been working 11...
  14. bvanhiel

    Timing Belt Design Guide

    I'm looking for a good design guide/resource on timing belts. I have one from Gates that seems pretty good, but didn't know if there was a better one out there. I'm paticularly interested in belt life explectations over small pulleys on 8mm pitch HTD belt. -b
  15. bvanhiel

    Can I sketch a symmetric rectangle in a single step?

    Is there an easy way to sketch a rectangle that will be centered and symmetric with the orgin? I find myself defining this sketch quite often and I'm wondering is there's some kind of control-drag way of defining a rectangle that will make this a quicker process. For reference, I currently...
  16. bvanhiel

    What codes/standards apply to a wall switch.

    I'm a mechanical engineer designing the physical enclosure for a product that will be installed and wired similarly to a standard 110V wall switch. This product will eventually be sold to the US market. What is the best way to find the applicable codes? I'm mostly concerned with the physical...
  17. bvanhiel

    Cooling Load Spreadsheet

    I'd like to double-check our landlord. We're having extensive renovations done to our office, and we've asked that they take a closer look at the cooling. They've come back with a plan that looks pretty similar to what was there, which we felt was inadequate during Georgia summers. I think...
  18. bvanhiel

    Easy way to find extra features?

    I was just wondering if there was a quick way to find childless features that sometimes accumulate in large models. Things like extra planes, sketches, etc. -b
  19. bvanhiel

    How do I get SWX to show complete right click menus?

    I really hate this "feature". I have to right click and then find the arrow (after searching for the command I was after and not finding it) to show the rest of the commands. I can't seem to find where I turn it off. I've been able to turn it off in the main menu selections, but my...
  20. bvanhiel

    Accuracy

    Is there any way to manually change the accuracy of SW models? I'm doing some fairly large surface models with small details. Features that should work are frequently failing. Which means I'm spending most of my time devising work arounds. Pro/E allows control over the model accuracy...

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