I do not know of any resin or type of plastic that can withstand the 1200F melting point of aluminum your best bet is to make a mold and cast the parts in wax for an investment (lost wax) casting.
Bryan On Nov 4, 11:38 am, Derek Engelhaupt <[email protected]> wrote: > My question would be to those metal casting folks out there. Is there a > resin or type of plastic that can be used to make molds for casting > aluminum? Basically looking for the best material to make a mold from for > aluminum besides steel or something like that which requires specialized > machinery to make. I know I could probably use a mill to make a steel > mold, but sadly I don't have a mill. This of course is all pretty much a > pipe dream...:) > > Derek > > > > > > > > On Fri, Nov 4, 2011 at 7:03 PM, <[email protected]> wrote: > > in die casting at least(plastic injection should be no different), it > > would be no problem to cast the lower and upper hull as single pieces, we > > cast much bigger things, like the body of weber gas grills. the end user > > would just have to drill their own axle holes in the sides. > > > ------------------------------ > > *From: *"Forlorn Foundry" <[email protected]> > > *To: *"R/C Tank Combat" <[email protected]> > > *Sent: *Thursday, November 3, 2011 4:12:27 PM > > > *Subject: *[TANKS] Re: track talk > > > Casting A hull in sections would be the way to go, cast the sides, > > bottom, top deck, turret..... all as separate parts then drill, tap > > and counter sink for screws. casting a 1/6 scale tank hull in one > > piece imo is more trouble then its worth unless the tank is small like > > a Pz 38t or smaller. > > > On Nov 3, 1:12 pm, Mike Mangus <[email protected]> wrote: > > > There is nothing that says a hull would have to be cast in one piece > > either. It could be cast in halfs or sections, then bolted or screwed > > together to for a unit. > > > > Mike > > > > ________________________________ > > > From: "[email protected]" <[email protected]> > > > To: [email protected] > > > Sent: Thursday, November 3, 2011 9:24 AM > > > Subject: Re: [TANKS] track talk > > > > slides are movable parts in the mold that would allow casting of > > features(undercuts) and holes that would be uncastable with a simple open > > and shut mold > > > > the sequence of events would be : > > > move lide forward > > > close mold > > > fill and solidify > > > open mold > > > retract slide > > > eject part > > > > imagine the lower hull of a tank like a tiger as a bathtub, when you add > > in the suspension holes in the sides for the torsion bars that creates > > undercut features that would not be removable from the mold. a slide would > > have the pins on it to make the holes through the hull, it would move > > forward and the mold would shut and be filled after solidification the top > > side of the mold would be pulled away, the slide would move back to > > disengage from the part, then the hull would be removed from the bottom > > side of the mold. the finished part would be a bathtub with holes in its > > sides > > > > lemme know if that makes sense > > > > Jason > > > > ________________________________ > > > > From: [email protected] > > > To: [email protected] > > > Sent: Wednesday, November 2, 2011 9:24:22 PM > > > Subject: Re: [TANKS] track talk > > > > In a message dated 11/2/2011 8:25:39 P.M. Eastern Daylight Time, > > [email protected] writes: > > > Nah no way an aluminum injection molding mold would be 250k. Especially > > if it had no slides on it. I work in aluminum die casting and a 250k tool > > would be massive. > > > > >Sent via BlackBerry from T-Mobileslides? > > > > Chris, > > > Odyssey Slipways-- > > > You are currently subscribed to the "R/C Tank Combat" group. > > > To post a message, send email to [email protected] > > > To unsubscribe, send email to [email protected] > > > Visit the group athttp://groups.google.com/group/rctankcombat > > > -- > > > You are currently subscribed to the "R/C Tank Combat" group. > > > To post a message, send email to [email protected] > > > To unsubscribe, send email to [email protected] > > > Visit the group athttp://groups.google.com/group/rctankcombat > > > -- > > You are currently subscribed to the "R/C Tank Combat" group. > > To post a message, send email to [email protected] > > To unsubscribe, send email to [email protected] > > Visit the group athttp://groups.google.com/group/rctankcombat > > > -- > > You are currently subscribed to the "R/C Tank Combat" group. > > To post a message, send email to [email protected] > > To unsubscribe, send email to [email protected] > > Visit the group athttp://groups.google.com/group/rctankcombat -- You are currently subscribed to the "R/C Tank Combat" group. To post a message, send email to [email protected] To unsubscribe, send email to [email protected] Visit the group at http://groups.google.com/group/rctankcombat
