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  1. Airmack

    Air Compressor Sizing 101

    On a quick search... http://www.eng-tips.com/viewthread.cfm?qid=253250 http://www.asedeals.com/air_compressor_faq.pdf
  2. Airmack

    GE Material Specification

    rmw happened to have the old spec. I did not see this spec, though. Maybe rmw can step in again? That seems to be a valuable book lately.
  3. Airmack

    Manufacturers for Automatic Stator Winders

    I've been tasked with spec'ing out an automatic winder for large-ish stators(~2.5 ft dia) for 2 AC generators. I'm putting a contact list together to start, but I'm unfamiliar with manufacturers that make these. Do you have any suggestions on whom I should contact when looking for quotes? Thanks!
  4. Airmack

    Use of Professional Organizations

    Being rather fresh to the ME workforce, I recently applied for membership with ASME for career development and possible mentoring. I wanted to toss out a few questions in the spirit of making the most of the experience: [tab]What have you found most valuable about ASME (or any professional...
  5. Airmack

    GE Material Specification

    rmw, That's perfect. Do you mind if I ask the reference? Thanks for digging in the back of the drawer!
  6. Airmack

    GE Material Specification

    It is a large, ~3" nut that holds a rotor on a shaft of an aircraft generator. It is magnetic, HRc = 28, and has a spark consistent with a low carbon steel. I would assume it's a simple 1000 series steel alloy, but since it is going on an aircraft I do not want to assume anything :P. We do...
  7. Airmack

    GE Material Specification

    Recently, I have run into a GE print (ca 1962) of a part that we need to have made. It lists several options for material, but under a General Electric material specification (B5F15B and B5F7H2 to be exact). Has anyone had any experience with this specification? It seems like an internal...
  8. Airmack

    Machining tips from Ctopher

    Thanks, KENAT. I don't think I would have seen the ctopher post without your heads up! You deserve some star action too.
  9. Airmack

    Basic Strength of Materials Calculation ????

    WL/4Z is derived from Mc/I... The section modulus is defined as Z = I/c Also, (for a beam of length L, simply supported on each end with a load, W, applied at the center) the maximum moment is M = WL/4 (at dist = L/2) If we insert these into your standard Mc/I equation, this leads to the...
  10. Airmack

    Thrust Bearing Solutions for Abrasive Environments

    I've been searching for possible thrust bearing solutions to be used in a steel media blast bay. This place just eats bearings for lunch. Is there a thrust bearing that can hold up in this environment? Magnetic bearings? (I assume that steel blast media may interfere with these, but I've...
  11. Airmack

    Recommended Hardnesses for Heat Treating Common Metals

    CURIOUSMECHANICAL, METENGR is right about ASM. I actually have the ASM Handbook, Vol. 1, "Properties and Selection: Irons, Steels, and High-Performance Alloys" sitting in front of me. It has about 150 pgs. of hardenability data for carbon and low-alloy steels. It contains material selection...
  12. Airmack

    Torque vs. Pounds

    I would have to say no. The inch unit in torque refers to the distance that the tangent force is from the rotation axis. http://en.wikipedia.org/wiki/Torque The definition that you have sounds closer to a work equation, which is force through a distance, but using the word 'torque' in place...
  13. Airmack

    hole sizing chart

    winpop123, ASME Standard "B18.2.8 - 1999 Clearance Holes for Bolts Screws and Studs" may have what you need. This covers "close", "normal", and "loose fit" holes for bolt sizes from #0 to 1.5" and M1.6 to M100. As for the chart relating the positional tolerance, you could do a simple...
  14. Airmack

    An E-Z 1. Need two bumps to create plastic stop

    If I understand you correctly, you are wanting to know about annular snap-fit joints. There was a great article in the January '05 issue of Machine Design. http://www.machinedesign.com/ASP/viewSelectedArticle.asp?strArticleId=57767&strSite=MDSite
  15. Airmack

    Custom Symbols?

    Thanks all! I'll give these a try.
  16. Airmack

    Custom Symbols?

    I know that in other drawing packages there are ways to create custom symbols and add them to the general library. Is this possible in SW? If so, how? If not, what is/are the best option/s to insert a custom symbol into a text field? Currently, I have simply sketched the symbol and must...
  17. Airmack

    Profiles of Complex Geometry

    Thanks for getting back so quickly... I'll take a step back... I am trying to create overlay templates for inspection of these complex parts on an optical comparitor. There are some profile callouts on the print that reqire me to offset them X amount, bilaterally, creating the visual boundary...
  18. Airmack

    Profiles of Complex Geometry

    I am fighting SolidWorks to create boundaries of the profiles of complex parts within a .SLDDRW file. I have been semi-successful in being able to hide tangent edges and select SOME profile edges, which are then bilaterally offset to make the profile boundary. Unfortunately, there are some...
  19. Airmack

    Knurling in a solid model

    I just was searching for a solution for this in SW 2005. Just as an update to this thread... You can apply a cosmetic knurl by... modifying surface texture --> metals --> machined -->knurl1 or knurl2 hope this helps down the road.

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