RepRap Masterclass | Part Two

RepRap Masterclass | Fabmoment #2
22th of September, 2009

this week we’ve applied the same methods I’ve described before. since there are many parts that need to be cast for holding the entire structure together this has the highest priority. two or three people suffice for this process. some others concentrated on creating extra silicone molds to increase the potential production speed. the rest of our team focused on documenting the parts created so far and measuring the lengths of the axes to create the xyz-frame, which we’re going to connect using the poly-urethane parts.

•    continuing the process of poly-urethane casting
          o    this time we used wooden planks to supply the two-sided molds with more pressure than before.
          o    drill holes in the wood to create room for the paper cones

•    sizing up the metal axes
          o    measure all the axes featured in the reprap (or look them up in the online documentation)
          o    use a metal saw to cut the axes to the desired length

•    documenting the parts that were cast
          o    we took hi-res pictures of the parts we’ve created so far
          o    this way it’s easy to keep track of the amounts needed and the amounts that we’ve realized to this point

http://www.movingconcepts.org/reprap/

•    creating extra molds
          o    we’ve created new silicone molds for the parts that need to be cast in great numbers
          o    we've sanded the printed parts carefully to achieve smoother mold surfaces

•    start building the x-axe
          o    by looking at the example reprap we could figure out what parts were needed to put together the x-axe
          o    the main components are the metal axes themselves, some poly-urethane parts and a few gears that were created
                using the laser cutter (material: plexiglas)