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About MGPL

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  • Birthday 02/22/1985

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  1. Since there's still no response about this and I'm not quite sure why, I've provided some additional ressources. If you can manage to make sense of it, then please do share.
  2. Dear fellow designers, I'm relatively new to enclosure design and am designing a sturdy industrial enclosure of ABS through the means of injection molding. The enclosure features a 2.0mm (0.0787") thick rectangular panel which can be placed and removed via two snaps hooks. The base of the snap hook is 2.4mm (0.0945") from the edge of the panel (width edges), so not flush against the edge, see the image below. I would like to know what I need to know and in what order, to design a snap hook that is sturdy, yet will not break so easily. I have no knowledge of the properties of ABS plastic and how it can bend or Young's modulus, etc.. etc.. so, if i need to know that, I would appreciate you point me in the right direction. Or, if you want to flat-out give me the answer (e.g., "your snap hook should have the following measurements : ... , they're no good right now because..") , then great! You will find attached the dimensions of my current snap hook and properties which I've also labeled A-H for easy reference. I am using Solidworks 2011. Thank you for any help,
  3. Very well. I've convinced the boss to go on ahead and start negociations with Mold-Tech. We hope to send our mold to Mold-Tech, have them deburr out some parting lines, and I'll ask them what else they can do about the ruined texture (4 parallel scratches on the surface), I know they have a texture repair service, then we will send the mold to another plastic molding company to continue the job. Hopefully, that all works out. I will also ask them for the sample plaques, that should be the easy part. If you have any further opinions or advice about this, please let me know. Thanks
  4. Awesome, thanks alot for the help. We just received the lot of enclosures. Things just became even more nightmarish, they managed to screw up the entire lot with these strange parallel cuts near each corner of the display area, and they seem to have applied their own very very light texture which they call identical to the sample we sent them. It's unlikely that they sent the mold somewhere to have it done. What a mess, you're lucky you're in New York. Anyways... A trip to Mold-Tech would definetely be great, I'll see if I can make it happen. Is there an online library of textures that you would know of for the Mold-Tech textures? I found one so far with a few pics as seen below from bbs.icax.org Thanks
  5. Thanks for the reply Cyberdemon.I looked in to Mold-Tech and they have a factory near us, which is nice as a last resort ( drinking Baijiu isn't fun ). As for our tooling vendor, if I must, I will ask them, but the less I need to ask them for things, the better (they only play nice with big buyers). I couldn't find a proper explanation for VDI, what does it stand for? And for those of you who don't know.
  6. Hello everyone, I'm a newbie designer in China and am producing some of my first plastic enclosures. As I've learnt from my previous enclosure project, in China, you need to be concise and leave no spaces undiscussed. I want my enclosure to have a texture although I don't know how to express my vision/specs to the manufacturer in words. I'm going for a normal noise-like texture which serves to cover up any tooling lines left around the ports, and it should not be glossy as i wouldn't want it to distract whoever's using it. The texture has to be ample to prevent greasy finger prints. houses a display and electronics Color: black QTY: 1000PCEs to begin Plastic: ABS (no idea, seemed like a safe choice) Method: Injection molding market: medium sized companies. Medical, technical, industrial, home So, given all that. How do I express my needs to the manufacturer? Something like stipple texture of a depth of 0.127mm (0.005")? What's commonly used for enclosures? What about the texture depth of the white and black parts on an Xbox controller? Thanks
  7. Thanks for the reply. Yes, I understand the concept but I currently don't even have one method to get it done, let alone a full arsenal of choices. I just want to be able to complete it by myself. It's ok, I'll keep trying things out. I'm reading the Soliworks Surfacing and Complex Shape Modeling Bible 2008, which hopefully helps me out.
  8. Wow! Thanks alot vander, you're one of the good ones. Well that solves the Fillet issue and proves that the blocky design approach can work, I can even pull off the shell. Key point: Try to avoid designing parts with sharp intersections to avoid Filleting problems. So, in your opinion, is this blocky design approach the best for creating enclosures, or is it better to manually create the curves from the start and then use surface tools to complete it (try to make a smooth surface using file: plastic enclosure7 (only sketches).zip)? Thanks !
  9. You know what, I don't think it's enough to lure you guys in. So I've gone ahead and gutted the original design of all its features, sketch relations and some history. After that, I can gladly share what's left. So check out the attachment for the SLDPRT file containing the sketches which i used to build the enclosure. The last sketch in the history tree named " efforts to fix it " is the one which I tried manually rounding out those edges since the Fillet couldn't handle it. I then tried a surface loft to tie it in with the rest of the enclosure, but it made the corners have a sort of old wrinkly skin effect. I also tried stitching a bunch of boundary surfaces together. The shape was ok, but the boundary surfaces curves didn't match up with one another. Hope you enjoy the challenge I will very much appreciate any help. plastic enclosure7 (only sketches).zip
  10. Ok, so far, no hits.. (probably because the file is not readily available), no problem. Since I can't give you the real deal I've made a similar problem with a simplified model (as attached). The goal is to apply a 1mm radius to each edge. Try it out, and let me know the work around or perhaps a better method that should be used. 加油!~ enclosure SLDPRT.zip
  11. Hi, Working with straight shapes in Solidworks is a blast but as soon as you start getting creative with curves things can get ugly ( shells not working, surfaces don't match up, faces don't want to offset.. Ai yai yai )... I made a plastic enclosure to be molded, although I could not finish a shell on the base part, so I had to rely on the plastic injection company designer (Chinese) which seems to be too busy to follow instructions properly; and he's using a different program (Pro/E UG). Point is, I can't rely on him and I'd like to do it myself in the future. This is where i need your help. In order to make the thing myself, I need some serious help. I need to fix the base part design, and round out the four sharp edges (see image) so that I can pull off that shell. I don't want any sharp edges. Unfortunately, I couldn't figure out how to make surface flow consistently. There must be something wrong with my methods. The corner of the display/surface part also got chewed up by the shell.. no idea.. I TRIED to attach the 3D part but the limit is too small (i need 15MB and dropbox is blocked in China.. HATE), I rolled back to a previous state before the bosses, ribs, snap hooks, port holes, etc.). Who knows? Maybe it's easy for you. If you want to give it a shot, just email me at matt_thetulip at hotmail.com and I'll send it to you and you can send it to me back if you figure it out. I'll unveil the methods in which you used in this post thereafter, so everyone can benefit. Thanks
  12. how do I share large files (15MB) with you guys?

  13. how do I share large files? (15MB) with you guys.

  14. how do I share large files? (15

  15. I checked out that video which is cool but they don't really show you how he did it. I'm using version 2011 and when I create a Revolve or a Shell it doesn't create a Solid Body folder like he has in the video.. The concept seems so simple yet, I can't get it to work either.. it's driving me mad. It's really basic.. make a cube, and then i want to use a cylinder with a radiused base to indent into it. I tried a bunch of things, but it's just a no-go. Can anyone describe the exact steps needed in order to successfully use the Indent Feature, from creating a new part?

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