Metal Casting at Home Part 3. Backyard foundry

[jsrnf]

What are the clips that you use on the side of your boxes ?

[myfordboy]

@jsrnf See the making flasks page at myfordboy.blogspot.com

[lest128]

would sand or clay work for molding

[myfordboy]

@lest128 You need a clay bearing sand.

[tyler031734]

Okay, wheres the trick? When you separate the cope and drag there's a slug of some type covering your pour spout. You didn't put it in there in the video. lol

[myfordboy]

@tyler031734 I put a coin over the hole when the top flask was rammed up. Forgot to mention it.

[ampeyro]

why didn't you use the lost wax with that?

[alandavs]

myfordboy... you are simply a bad a**. I've been studying this stuff for years and have so many ideas. This is the first time I'm come across your videos, but holy geez i wish i had your talent. i have a ton of projects in mind and if i could pull off what you do, I think i could make a go of it building my own products. please keep posting and i'll keep watching and learning. i just build all of the necessary equipment i need to do this. i'm working with green sand, but hopefull can pull it off

[Gr8Success]

i hear frogs

[camelazo]

4:11 unos pases magicoss!!!

[spyderz1303]

What do you use for pins in the modesty blocks you use to line up the two halves of the moulds?

Does the sand have oil in it or some other binding agent? It seems to stay put when it is compacted into the moulds.

[myfordboy]

@spyderz1303 I use 3/16 steel rod for the pins. Its the clay in the sand that holds it together.

[liljohnnotbigjohn]

subscribed. You have an excellent, informative channel.

[bearpatch626]

spelling is proboly bad.... its a clay commonly found out here iin tx

[bearpatch626]

would clietchie clay work?

[myfordboy]

@bearpatch626 I don't know what that is.

[1220975]

So...........What is it?

[chopperboy25]

Were can you get the bentonite clay from

[myfordboy]

@chopperboy25 Try a pottery supplier or Ebay

[JonSpink]

@chopperboy25 You can buy it as cat litter its very cheap for a big bag. Make sure you get the clay stuff not the fancy stuff.

[naphom]

@chopperboy25 - Some cat litter is made of either bentonite or attapulgite clay... You just need to crush it in order to use it. I guess it would be easier if you could buy it in a powder form from somewhere.

[larz0001]

@chopperboy25 try the grocery srore and buy kitty litter, or a pet store,, kitty litter is bentonite clay you just have to grind it into dust

[juicebox30961]

Very cool

[Paintfiend123]

very cool videos cheers for taking your tiem to make them!

[TheReaperofthefallen]

what kind of sand do i need for this and where can i get it

[myfordboy]

@TheReaperofthefallen You need moulding sand from a foundry supplier or make your own from playsand and bentonite clay.

[t5239857289578947594]

@myfordboy Great, there's a foundry supplier at every street corner. My bit of humor. I'll start looking.

[210482fmj]

you should build a motorbike engine

[stradle124]

Hi,

I'm trying to find someone to make copies of a cast iron exhaust manifold. Do you know of anyone that might be able to take on this work.

Thanks

[myfordboy]

@stradle124 I'm in the Uk so cannot help.

[KrisKustomPaint]

Very clever! Are you a foundry man by trade?

[myfordboy]

@KrisKustomPaint No , its just my hobby.

[mastekop]

thanks for the video. jazakumullah khoiron katsiro. means Allah opefully giving you more goodness. i like the video and the video is very usefull for me as a newby for learning the metal casting. i try to make the metalcasting workshop by my own and as complited my knowledge. i am indonesian.

[thdmtr]

coooool =]

[fly2000jtb]

we also noticed that most of your casting boxes have a lock on the side, are those barrel hinges? most of your boxes also have a piece of wood screwed in cross ways? is that for extra support or just another part to be put into? cool videos thanks for answering our ?'s so fast Joseph T FLY2000JTB

[myfordboy]

@fly2000jtb The "locks" are plastic blocks with a locating pin to align the the 2 halves. The diagonal braces are there to reduce the volume of sand I need to use.

[xarlock667]

So I have tried making green sand... I used PlaySand from Lowes, and repeatedly sifted the hell out of it to remove large pieces, then I added water. I made a mess that fails to do anything but piss me off. I tried using it in lost foam casting, and again failed, as the sand keeps collapsing into the foam. It is infuriating, as I need to cast a feeder for a .22 and cannot seem to make it work. Any advice?

[pauldude000]

@xarlock667

You need to add fine bentonite clay to the mix (10% or so) to make the sand adhere to itself. Otherwise it will fall apart like you describe.

[CTBlacksmith]

@xarlock667 for the green sand to work you need to add clay to it. The three ingredients for green sand are clay water and fine sand. I don't remember the ratios for each but im sure you can find it online somewhere. I think the clay you need to use in Bentonite clay but im not positive.

[fly2000jtb]

forgot to tell the others the tool is called a pallet knife. Artisits use them to mix paint on there pallets before painting, cool to use them this way we must say. Wish my folks had spent the money on foundry school insted of art school for me hahah Joseph T fly2000JTB

[fly2000jtb]

What do you use besides water? we mean for the sand? our grand dad told us they use to use oil? he said there was a hell of alot of smoke too haah Joseph T. fly2000jtb

[myfordboy]

@fly2000jtb My sand is water bonded no oil required.

[MrLeonard55]

Thanks.

[MrLeonard55]

Where do you get the small tools?

[myfordboy]

@MrLeonard55 If you meen the small tool for cutting the ingate, they are used by artists and can be bought at an art shop.

[randomtux1234]

@myfordboy fantastic stuff, the flawless process, the no-extra-words presentation.

[godverdami]

boring

[dirtydirty505]

I hate fords

[myfordboy]

@dirtydirty505 So do I. Myford is the make of my lathe.

[dirtydirty505]

@myfordboy ohhh I see.. Great video tho... Hope to see more.

[noxnflame]

Where do you get the green sand or did you mix it? If you mixed it what ingredients and how much? Thanks!! Great vid

[myfordboy]

@noxnflame Greensand came from a foundry. I haven't tried making any.

[kaningraff]

is there an alternative to using the foundry grade/green sand? like culd i use dirt or sumthin?

[myfordboy]

@kaningraff I haven't tried this myself as I have the real stuff but a lot of backyard metalcasters make their own by adding bentonite ( fullers earth) to play sand. It needs to be mulled ie rubbed together so the bentonite clay coats the sand. Around 10% is added to the sand.

[kaningraff]

@myfordboy alright thanx. doesnt most cat litter contain bentonite?

[myfordboy]

@kaningraf Correct . You will need to grind it down into a fine powder.

[Dach101]

the pattern is wooden? what do you paint it with to aid release?

[myfordboy]

@Dach101 Pattern is made of wood as shown in part 8 video. A smooth finish to aid release from the sand.

[Dach101]

@myfordboy thanks, I should of waited with that question until I had seen all of your vids :)

[BITTYBOY121]

Thank you so much - Watching this vid just helped me solve a problem i've been facing with a wooden patten for a mould to make a brushed DC perminaent magnet motor end cap (65mm dia by 35mm deep), the design has 2 x 18mm round bits that stick out on both sides where the brushes/brush holders will be - not i know not to glue these on with PVA!! - but to screw them in place so i can remove the main body of the motor end cap and withdraw the two 18mm pieces! *thanks!*

[videos12344444444]

but if the piece with the complex angle (like this example)don´t have a removible piece???

[gonitronow]

@videos12344444444 you make the piece. It's made from carved wood or something similar. that's how.

[Thetruthishere11]

another great video.  But didn't show the pour.

[wackedoutdude]

Casting is quite a complex skill i envy you. It must of took ages to get this good. Keep up the good work.

[jeniajuk]

Хорошое показательное видео . Приятно смотреть . Большое спасибо автору и низкий ему поклон.

[myfordboy]

No. The meta flows in the cavity left in the sand and forms that shape.

[ASSEMblerEX]

Does the sand get mixed up in the metal?

[faboledesma]

Very good tutorial..Thanks

[dustyflair]

YOU ARE ONE BAD MAN!!! I love your work. As someone stated you make something that is not very easy look like you are riding a bike in the park! Keep up the good work!!!

[granaleo1]

Im interested in making parts for pens, like the nib,clips and such.

what type of sand are you using?

[myfordboy]

Special foundry sand.

[paperjack93]

@myfordboy Where did you get foundry sand ?

[myfordboy]

I saw them off!

[dredger14]

In the first video I didn't get the brown object (locating the core) you lowered with the string into the cavity after taking out the pattern.

What was the brown object and how did you hollow out that cast Al object.

Please reply.

[myfordboy]

The brown object is the core. This is made from hardened sand as video 5.

After the metal is poured the core can be broken out and this leaves the hollow innside.

[backyardsounds]

Love the videos...

[barumman]

First class, you make it look easy.