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Recent content by tygerdawg

  1. tygerdawg

    New Patented High Speed Steel Alloys

    I suggest don't get cute with naming. My preference would be to construct a naming scheme that instantly identifies potential purposes and solutions of the material's use. That would help the Marketing side of things. Let it be said though that my lovely and devoted wife will tell you I see...
  2. tygerdawg

    FESTO Pneu Cyl Var Stroke Query

    Google is not your friend for info like this. Better to ask Festo Technical Support or your local Festo distributor. If you had a catalog, you could decipher the part number and get all the details. I would guess the -80.350- is a customer-specified stroke length (which seems odd, BTW).
  3. tygerdawg

    Staking

    working for years, now not working? Your task is to answer a simple question: what has changed? (or in a worse case: what multiple things have changed?) Adding to the list above: supplier changes process settings change (e.g., air pressure) material spec changes or variation (e.g. bad heat...
  4. tygerdawg

    Suggestion: Laser Welding System for Thin Stainless Steel & Non-Linear Weld Paths?

    "non-linear"........describe and specify precisely, including required path accuracy and acceptable tolerances. There is a lot of difference between simple arc paths in a plane and complex 3D swoopy-curvy paths "affordable ~80-150K$".......this may not be a sufficient budget for a complex path...
  5. tygerdawg

    Item modular profile construction design - an advice is needed

    If 1 version clamps the bracket with T-slot elements, it is supported with friction. If loading is low, then 1 version may be sufficient for your needs. Else if thru-holes are drilled in the vertical legs and then the bolts will support the bracket loads in shear. The 2 version distributes the...
  6. tygerdawg

    Item modular profile construction design - an advice is needed

    I've done a couple different approaches, both worked for my needs at the time: On your 1.xt version: cut a piece of heavy L-channel (angle) for a mounting bracket. Attach the vertical leg to your table leg, mount the caster to the horizontal leg. Bracket should be large enough for the caster...
  7. tygerdawg

    drive design for grinding machine

    As others stated, the process parameters of 40m/min seems...fast. For sizing, you must identify, quantify, and sum all of the torques to identify the peak torque (due to force, due to inertia, translational and rotational). This is the minimum that the motor must deliver at the design RPM...
  8. tygerdawg

    Getting back into IE - Please Help!

    Don't worry about credentialism and get on with it. If you have a BS ISE and assuming you didn't sleep or cheat through your classes, then you have the foundation of knowledge to get into the game. High proficiency will come with experience, mentorship, and practice. Tell them in your...
  9. tygerdawg

    Needing help!

    Assuming you've done some data gathering for your process development and you know the magnitude of force required for part assembly and breakage. And material strength property variations and part tolerance ranges that will affect both. idea1: a mechanical press assembly assist device of...
  10. tygerdawg

    What do all the useless engineering graduates do for work?

    wdr36: I'm semi-retired from Industry and University teaching. I'll tell you what I've told many students. The primary purpose of suffering through four years of academia and obtaining a BS degree in Engineering is to transform the student from a blob of unfocused talent and potential into a...
  11. tygerdawg

    What brass or bronze for water couplings?

    I recently re-piped my house. For all brass fittings I chose "lead-free" components that would be in contact with drinking water. The data sheets showed the brass alloy used by the various manufacturers was C69300.
  12. tygerdawg

    Music in the Office

    Not a fan of music in the workplace, but I'm one of those oddballs who likes silence for thinking and concentration. I'll wear headphones if I want to listen to music. One of the most inconsiderate things I could do is impose my choice of music on others. IMHO an office environment should be...
  13. tygerdawg

    SOLIDCAM

    You may also ask your questions on the practicalmachinist site and also the CNCZone site. TygerDawg Blue Technik LLC Manufacturing Engineering Consulting www.bluetechnik.com
  14. tygerdawg

    Fusion 360 CAM VS MasterCAM

    For more insight you could post this question on the Practical Machinist site or the CNCZone site. But beware: the folks there and their opinions on this subject can be very strong and they may rip the meat off your bones. I've seen it discussed in the same forum that MasterCam is fabulously...
  15. tygerdawg

    metallographic polishing and grinding machine

    In a previous life we had to evaluate the weld penetration depth of a laser welded product. We would sample a product from the production line, section it with an abrasive cut-off saw, manually grind & polish, apply Nitinol to etch the surface, then evaluate the weld penetration depth...
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