Actually, never mind... <_< Apologies. On Wed, Sep 7, 2011 at 9:20 PM, jeff kramer <jeffkramr@xxxxxxxxx> wrote: > I'm in for a Prusa board set. > > On Wed, Sep 7, 2011 at 9:18 PM, j. eric townsend <jet@xxxxxxxxxxxx> wrote: >> cool! I've never done the SMT skillet thing, but I scored an electronic >> skillet at BB&B that should do the trick. It claims to have an accurate >> temp setting, but I've yet to calibrate it. >> >> >> >> On 9/7/11 21:15, Matthew Beckler wrote: >>> >>> I would like to get a set of prusa electronics made up so I can build a >>> prusa (probably a hybrid with imperial rods and nuts for the frame, >>> metric everything else). >>> >>> I've done smt skillet soldering once before on a regular electric range, >>> it wasn't too bad at all. We were using SOIC chips and 1206 leds (so >>> pretty big on the led front, but 0805 isn't much harder). I could >>> definitely help out with the smt soldering part. >>> >>> -Matthew >>> >>> On 09/07/2011 08:42 PM, j. eric townsend wrote: >>>> >>>> heya, >>>> >>>> Was going to bring this up at the meeting but I was stuck at work... >>>> >>>> Ben/Birdbrain is going to do some trial PCB runs. I was thinking of >>>> getting a few sets of reprap gen6 (very professional) or gen7 (faster >>>> stepper but ugly) boards cut and was wondering if anyone else would be >>>> interested in enough boards to make their own Prusa (or US Prusa). >>>> >>>> I could be convinced to do an order for MakerBot/ThingOMatic boards if >>>> someone is willing to help me run the electric skillet for a group SMD >>>> session.... >>>> >>>> --jet >>>> >>>> >>>> ---------------------------------------------------------- >>>> >>>> >>>> We're going to do a trial run of a PCB Service this week. For those >>>> familiar with the concept, we take all of your orders, panelize them and >>>> send them off to a fabrication house in China who then makes us the big >>>> panel. The panel gets shipped back to the US where we separate the >>>> boards and do any internal routing necessary. You can then pick up your >>>> board at one of our scheduled locations (Fridays at HackPgh, Saturdays >>>> at Assemble). >>>> >>>> Here's the specs: >>>> >>>> 2 layer boards - 0.062" FR4 material >>>> >>>> 2 Layer limits: >>>> 8mil spacing minimum >>>> 8mil traces minimum >>>> 15mil minimum drill size >>>> 500mil maximum drill size >>>> >>>> No v-scoring, only drill files are sent to the fab house >>>> >>>> Internal routes are OK -- 1/8" bit diameter on this panel. Rectangular >>>> boards only this time. We'll work on more interesting shapes and >>>> smaller internal routes later. >>>> >>>> Green soldermask top& bottom, Silkscreen top only. >>>> >>>> 1oz Copper >>>> >>>> No limit on the number of vias, pads or components. >>>> >>>> Boards are billed at $2.50 a square inch, no setup fee, you get one >>>> copy. 1 square inch is the minimum billing, but we'll charge on the >>>> exact size (rounded up to the next penny). >>>> >>>> The gerber files we need are: >>>> .BOR - Board Outline >>>> .GBL - Bottom Copper >>>> .GBS - Bottom Soldermask >>>> .GTL - Top Copper >>>> .GTO - Top Silkscreen >>>> .GTS - Top Soldermask >>>> .DRD - Excellon Drill File >>>> >>>> All others will be discarded. >>>> >>>> If you use Eagle, you can grab this cam file: >>>> >>>> http://birdbrainlabs.us2.list-manage.com/track/click?u=a3697f0eec54ac61d4c3007e1&id=e7a72b07be&e=8030b957c2 >>>> and that will get you all of this. >>>> >>>> Zip up your gerber and e-mail it to pcb@xxxxxxxxxxxxxxxxx . Panel 0 >>>> will close when it's full or at 11:59pm on Thursday September 8th. We >>>> should have the boards back and depanelized on the 23rd. (Worst case, >>>> we'll have them on the 26th, and I'll have some way to pick them up) >>>> >>>> Let me know if you have any questions! >>>> >>>> Thanks, >>>> Ben >>>> >>>> >>>> >>> >> >> >> -- >> J. Eric Townsend >> design: www.allartburns.org; hacking: www.flatline.net; HF: KG6ZVQ >> PGP: 0xD0D8C2E8 AC9B 0A23 C61A 1B4A 27C5 F799 A681 3C11 D0D8 C2E8 >> >> >