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  1. brakemeister

    Low Temp Properties

    Does anyone know where I can get low temperature properties, stress-strain curve, yield strength, modulus, for unfilled PPO+PS and 15% glass reinforced PP. I'm looking for properties at -20 degrees C.
  2. brakemeister

    General Drawing Tolerances

    I am interested in finding out if the field is moving away from using a general, or boiler-plate tolerance block on a drawing format or if most organizations are continuing to use it. Any opinions would be appreciated.
  3. brakemeister

    Dimensioning from datum centerplane

    KENAT - You are correct. I want to dimension non-symetrical features from the centerplane rather than an edge of the datum feature. Thanks,
  4. brakemeister

    Dimensioning from datum centerplane

    Can features be dimensioned from the centerplane of a true geometric counterpart of a non-cylindrical feature of size datum?
  5. brakemeister

    ASTM Equivalency for 1144 Straight

    Can anyone tell me if there is an ASTM standard that is equivalent to AISI 1144 Straight (not Stressproof and not stress-relieved).
  6. brakemeister

    Automotive adhesive solvent

    Thanks for your response. It's a fired porcelain finish as found on an appliance component so, my guess is, it would be resistant to most solvents.
  7. brakemeister

    Automotive adhesive solvent

    Does anyone know of a solvent that will remove a medallion from a porcelain finish without damaging the surface? The medallion is fixed to the surface using an automotive trim type adhesive. This is a salvage need so quantities are low.
  8. brakemeister

    Formed Sheet Metal Spline

    Does anyone know of a standard for formed sheet metal splines when the need for a standard involute spline isn't required?
  9. brakemeister

    DuPont Nylind 51 HSL

    Has anybody had any experience with the use of regrind in molding Nylind 51 HSL glass fiber reinforced nylon. Specifically, I am looking for a percentage of regrind that can be used without shorting the glass fiber length.
  10. brakemeister

    Resin Starvation

    Other than cold cavity surface (less than 150 degrees F), what kind of molding conditions would contribute to the lack of a resin-rich surface of a gear molded out of Celcon GC25A?
  11. brakemeister

    Gear Tooth Profile Template

    I need to check the profile of the tooth surface of a 52 tooth, 17 NDP, 20 degree PA molded plastic gear. Does anyone know of templates which may be available to use on an optical comparator or, perhaps, of a better way to measure the gear tooth profile?
  12. brakemeister

    Proper Terminology

    I remember when Y14.5 Standard for Dimensioning and Tolerancing first was introduced, the term applied for the tolerance of a hole location defined by basic dimensions was "True Position". Later, the term was changed and became "Position". Does anyone know if it has been changed back to "True...
  13. brakemeister

    Stainless Steel Fatigue Strength

    I am looking for anyone having a bad experience due to changing from 301 to 201 stainless in thicknesses in the .035 to .045 range, specifically due to a cycling load.
  14. brakemeister

    Corosion Resistant Coatings

    The friction is only bonded to a small percentage of the surface of the part. The part has to pass a salt spray test.
  15. brakemeister

    Patterns

    Pro/E was origionally sold solely by Autotrol Technologies in Thornton, CO. At that time, while it was called Pro/ENGINEER, it was marketed as an Autotrol product and, since Parametric Technology had no interest in making drawings with Pro, it was marketed with Autotrol Series 7000 with Pro as...
  16. brakemeister

    Corosion Resistant Coatings

    I have an application in which I will be gluing a friction material to mild steel which needs to have a corosion resistant coating. Currently, the coating is zinc phosphate but I can switch to zinc di-chromate if need be. The adhesive is phenolic based and is baked at 400 degrees F. My...
  17. brakemeister

    Patterns

    I have been successfully creating patterns as well as reference patterns since Release 6 in about 1987. I have never had a problem such as this. In 1992 I began design of the Harley-Davidson VR1000 Race Bike Chassis using Pro. It was introduced in Feb 1994 at the Daytona 200 mile race. Used...
  18. brakemeister

    Patterns

    Thanks for all your posts but, I guess, the bottom line is that Pro can't do what it used to do before with ease. I've gone ahead and done it as (5) seperate cuts. Hopefully they will be able to get this thing fixed.
  19. brakemeister

    Patterns

    I am trying to create a radial pattern to form five spokes in a wheel. When I use (2) as the number of instances it works well but if I try to change it to (5) it fails. Am I having a problem with this build of Wildfire 2.0. I'm sure the section I am trying to cut will fit in a 72 degree segment.
  20. brakemeister

    Poisson's Ratio

    Does anybody know what Poisson's Ratio is for 430 Stainless? I have checked Matweb.com and can't seem to find it.

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