Haven, WI
New machine sounds awesome. How much space do these machines take up? Is it a stand alone machine or just sit on a table top? I can't picture it in my head. Anyways my vote is for the big ramp for TMNT!
(Topic ID: 150775)
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Quoted from Freeplay40:Below is most of a post I made in another thread here on Pinside....Thought I'd put it here as it pertains to the TMNT ramp
athenspin was kind enough to send me some really nice photos of the TMNT ramp...Thank you very much. I have been lobbied a lot to do the ramp for Time Machine. The reason I haven't even tried yet is due to some very thin walls between 2 lanes on that ramp... Although not quite as bad, they are very similar to the walls between the lanes on the TMNT ramp. Both the Time Machine ramp and TMNT ramp are what is referred to as a female form...In other words, the mold looks pretty much like the actual ramp and the plastic is pulled down into it as opposed to a male mold where the plastic is pulled down over an inverted form of the ramp. So imagine the mold with fairly thin walls separating the lanes. The material I currently use for my molds is a ceramic. It would be difficult to cast the mold with thin walls like that (Even thinner and more curve on Time Machine) and not have them break when I tried to remove the original from the cast ceramic. Let's say that I did get a good cast. While the forming process itself generally won't damage a mold, I suspect that those walls in the form would certainly bust when trying to remove the plastic from the mold after forming. The mold for Time Machine would not withstand one pull. TMNT is not quite as bad, but I do not think I would even attempt it with a ceramic.
This was not a problem with the original manufacturing of this ramp as the original mold was no doubt made of solid aluminum. Given the relatively low volume production runs these days, it simply makes no economic sense to spend several thousand $$$ to have a mold made out aluminum. Starship Fantasy still uses the original molds for most of his ramps.
So can it be done? I am looking at another medium to make molds with...actually an aluminum impregnated epoxy. This might be strong enough for molds like the TMNT and possibly for Time Machine, but will it be smooth enough and can it be machined after cast for corrections. It's quite expensive so errors can get costly quick, but certainly a whole lot cheaper than having a mold cut from an aluminum Block! As far as Time Machine is concerned, I would certainly be more inclined to test a new mold medium on TMNT first.
Oh yeah...and I need the bigger heater. Added a photo below so you can see what I'm talking about with respect to the thin walls.[quoted image]
Noooooooooo. Hopefully you find a way one day
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