In that little furnace nothing, did it all by feel and very rarely had a bad casting. but at the foundry we have a pyrometer similar to this one http://mifco.com/MS/catalog.php?op=detailed&id=25
On Nov 3, 11:26 am, [email protected] wrote: > bryan, what are you using to meanure your melt temperature? > > > > > > > > ----- Original Message ----- > From: "Forlorn Foundry" <[email protected]> > To: "R/C Tank Combat" <[email protected]> > Sent: Thursday, November 3, 2011 9:45:14 AM > Subject: [TANKS] Re: track talk > > my first furnace was from Foundry101.com and has worked well for 6 > years now, Great little furnace for aluminum and bronze. If anyone > needs info on metal casting I can get any info you need, my boss at > the foundry is a wealth of casting knowledge. > > I know of a spin casting machine for sale if anyone is still looking > for one, they just want it gone, someone could get a good deal on it > but shipping may be pricey its a big unit. I can get more info if > someone is interested, id grab it myself but I have no room to put > it :(. > > Ill be getting back to my halftrack build soon so watch for updates on > that, the tracks will be lost wax cast in aluminum so ill make sure to > take lost of pics. > > Bryan > > On Nov 3, 5:55 am, Derek Engelhaupt <[email protected]> wrote: > > I've been looking into buying a small home foundry from these > > guys:http://www.foundry101.com/search.htm. BTW, what ever happened to Russ > > and > > his T-34? If I recall, him and his buddys went in on a spin casting > > machine. I don't know if he is still around. I'm sure he could give some > > input on the whole casting issue. I would love to cast my tracks in metal > > or even in plastic if a spin casting machine could do plastic. > > > Derek > > > On Thu, Nov 3, 2011 at 5:31 AM, Forlorn Foundry > > <[email protected]>wrote: > > > > If you use the same silicone or polyurethane molds, you could cast > > > them in casting or foundry wax and use the lost wax casting method to > > > cast them in aluminum instead of plastic. I work at an art foundry > > > and that's something I could do if anyone is interested in having > > > metal parts cast. I can also do bronze, iron, steel, and stainless > > > steel. > > > > Bryan > > > > On Nov 2, 8:24 pm, [email protected] wrote: > > > > Hi all, I've been following this thread with great interest and > > > excitment in hoping that this process will develop. I currently have some > > > 3d models I would like to have produced with 3d printing and then molded > > > by > > > Frank into usable objects in different materials depending upon their use. > > > I've been looking into 3d printers over the last several months thinking I > > > wanted to buy one. What I have learned is that 3d printers are like > > > everything else, you get what you pay for. The less expensive 3d printers > > > do not give you the quality print that higher quality printers do. > > > Unfortunately quality begins at about $10-20 grand. But the great thing > > > is > > > that the owners of these machines are learning that volume is the key so > > > prices are becoming more reasonable from 3d printing services. I > > > currently > > > have a 3d model of a 20 Ton long jack for my KT that I am trying to get > > > printed. The jack is about 5" long and 1.2" wide and the best quality > > > print price I've found so far is $60.00 just for this item. If anyone > > > else > > > has a more cost effective price for a good print I would love to hear from > > > you. > > > > > I've also been starting to design the modeling for my next tank > > > after finishing the KT and what I am going to do is have the running > > > gear, 1 sprocket, 1 wheel and 1 idler, plus suspension pieces printed in > > > 3d > > > and have Frank teach me how to mold them in a strong enough material to do > > > an entire 1/6 tank. After hanging out with Frank and the guys I'm totally > > > convinced it can be done, wheels, tracks, idlers, suspensions and all, you > > > would be amazed at what he can do. > > > > > The other great thing is that now the same companies also offer 3d > > > scanning. So for instance we can send then a complete set of running gear > > > from a model and they can scan it into 3d so that the complete set, > > > sprocket, tracks, wheels, running gear, etc. are completely adapted/scaled > > > to each other so that all we would have to do is bring it into a 3d > > > program, rescale it to 1/6 and then export it so to be printed in 3d. :) > > > Just thinking out loud. > > > > > Kind regards, > > > > > John > > > > > On 11/02/11,Frank Pittelli<[email protected]>wrote:On 11/2/2011 > > > 1:41 PM,[email protected]: > > > > > I know that molds have a finite lifetime. Typically > > > > > how many castings can I expect to get from a silicone mold ? > > > > When properly maintained, a rubber mold can be used for hundreds of > > > > castings. We've had no problem making tread parts for multiple tanks > > > > with a single 8 tread mold. > > > > Regarding set time: It doesn't take long to pour resin into 6-8 molds. > > > > Once you've learned the process (spray, measure, dye, mix, pour, pop) > > > > things go pretty smoothly. > > > > > I'm leaning toward molding and casting myself, but I like Franks offer > > > > > of "prototype parts for molds". At least I wouldn't need to make my > > > > > own > > > > > molds and I could still play with a Thing-O-Matic. > > > > Now we're talking. John White (KT builder) is ready to crank out dozens > > > > of CAD designs for tank parts. Together, we can form the un-holy > > > > trinity of mold making :-) > > > > Frank P. > > > > -- > > > > You are currently subscribed to the "R/C Tank Combat" group. > > > > To post a message, send email [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
