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  1. superart

    Palm Beach County SolidWorks User Group (SWUG)

    I hope this is the right forum for this type of post. I saw some other SWUG posts when I searched in this forum. The Palm Beach County Florida SWUG will be having our next meeting tomorrow (Tuesday the 14th) at 7:00pm EST. Anyone from the South Florida area who uses or is interested in...
  2. superart

    BobCAD-CAM: Sketching Points In Reference to Imported geometry

    OK, so I managed to figure this problem out, or at least a workaround. I figured I would post this in case others have had the same issue as I have. When any solid part that has holes is imported into BobCAD, the circular edges of the holes are split up into 2 half-circle arcs. I was able to...
  3. superart

    BobCAD-CAM: Sketching Points In Reference to Imported geometry

    I am using BobCAD-CAM to create tool paths. I have imported a STEP file of a part that contains holes. I am trying to sketch points in BobCAD in the middle of these holes so that I can use the points to make a drilling tool path. The problem is, I am unable to make any sketches in reference...
  4. superart

    Please Help Choose Adhesive For Bonding Cover Onto Container Holding Essential Oils

    I'm working on a product with a client that involves a small container that will hold about 1-2cc of various essential oils. Most likely spearmint, tea tree oil, and/or peppermint. Ideally the oil(s) will be completely saturated onto an absorbent pad, so there shouldn't be any free-flowing oil...
  5. superart

    Choosing Plastic for Product with Long Term Steam / High-Temp Exposure

    hmm, I would think the flame retardant additive would be able to withstand higher temps better than anything :-/. Do you think the steam may be somehow reacting with it or something? I think I'll try the SAN. I'm not really familiar with that material. How is it compared to PP and HDPE in...
  6. superart

    Choosing Plastic for Product with Long Term Steam / High-Temp Exposure

    I'm not sure. Like I said, these were prototypes, so I just ordered some PP from McMaster. It is black, temp range of -40°F to +200°F, and they have it labeled as "Flame-Retardant Polypropylene". They were unable to furnish any sort of datasheet. Do you think the steam would have any impact...
  7. superart

    Choosing Plastic for Product with Long Term Steam / High-Temp Exposure

    I am currently in the process of designing an enclosure for a disposable product that will need to sustain prolonged exposure in an environment that has temperatures of 180-200F with a large amount of steam. Expected exposure time is between 10-24 hours continuous. My first thoughts were to...
  8. superart

    SPHERES Program

    So I'm in the process of applying for a summer program with NASA to work on the SPHERES project. For those not familiar with the SPHERES program, it is basically an initiative put forth by NASA to use relatively cheap off the shelf technology to develop small micro-satellites and drones for...
  9. superart

    Trying to design a reversing screw mechanism. Please Help.

    those are solidworks-2011
  10. superart

    Trying to design a reversing screw mechanism. Please Help.

    I changed the follower a bit making it shorter and thinner. I looked at these images: http://www.abssac.co.uk/s/Self+reversing+screws/1/8/ and it seems that the follower wants to be about half the thickness of the grooves. I made that change, and also made it a bit more shallower by putting...
  11. superart

    Trying to design a reversing screw mechanism. Please Help.

    That's kind of the other problem that I am having. I am having a hard time getting the follower to mate up with the shaft in the SolidWorks assembly.
  12. superart

    Trying to design a reversing screw mechanism. Please Help.

    Oh yea, I probably should have uploaded both of those. http://files.engineering.com/getfile.aspx?folder=ea90121b-da60-4edc-8551-a6676a0bbd0f&file=TestFollower.PDF
  13. superart

    Trying to design a reversing screw mechanism. Please Help.

    Here you go. Hope this works better. Thanks. http://files.engineering.com/getfile.aspx?folder=f5b36fd1-7c14-4b64-afc0-b1faa9057eaf&file=TestShaft.PDF
  14. superart

    Trying to design a reversing screw mechanism. Please Help.

    I'm working on a project right now that involves a reversing screw mechanism. I am trying to design and model it in SolidWorks, but am having trouble getting the profile of the threads right. My problem is that the follower seems to be getting stuck at the end of the threads where it is...
  15. superart

    Where can I find some aluminum extrusion like this?

    Thanks everyone for all your help and suggestions. What I wound up doing is changing my design to eliminate the need for the metal channels. Instead of going with a triangular shape, I went with a "box" shape and was able to just use acrylic sheets and solvent-weld them together at right...
  16. superart

    Where can I find some aluminum extrusion like this?

    I found something that would work for me, but every supplier that carries this product that I have been able to find says they don't have them available. Does anyone know where I can get something like this: http://www.dkhardware.com/product-28566-d7017a-satin-anodized-60-degree-showcase-rail.html
  17. superart

    Where can I find some aluminum extrusion like this?

    It wont have to support anything, it just has to stand there and look pretty. That's why I initially decided to shy away from piano hinges. It really only needs to be able to support its own weight and moderate wind loads. Also, the client wants it to be easy to set up and tear down for...
  18. superart

    Where can I find some aluminum extrusion like this?

    OK, I re-uploaded the file, hopefully it will work now. I do not expect too much axial load, but I will take measures to make it not so wobbly. That is what the u-channel will be for. I plan on making a triangular frame that will go on the top and bottom edges, and bolt into each corner. If...
  19. superart

    Where can I find some aluminum extrusion like this?

    It only let me attach one file, so here is another image that shows a rough 3D model of the column to give a little better idea of what I am trying to do.http://files.engineering.com/getfile.aspx?folder=586f8249-d42e-4054-8a58-4a0b2c906724&file=ExtrusionChannel_Triangle.JPG
  20. superart

    Where can I find some aluminum extrusion like this?

    I hope this question is in the right forum, I looked through all the forums, and this one seems like the most relevant. I am working on a project for a client, and am trying to fabricate a triangular column out of standard 1/8" thick 4x8 acrylic sheets. It will be an equilateral triangle. I...

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