Love Casting

Casting parts for a model engine in alloy.

Duration : 0:9:39

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Model cars that were made by the Franklin and the Danbury Mints from die cast metal are heavy but not magnetic. I don’t know what the metal composition is, but it’s too heavy to be aluminum. I’ve also seen some with corrosion. I asked this question in the toy/hobby category and got no answers. A friend suggested ‘potted metal’ which is another metal I don’t know. Anybody?

Most die castings are made from non-ferrous metals, specifically zinc, copper, aluminium, magnesium, lead, pewter and tin based alloys, although ferrous metal die castings are possible.

The metal used (for toys) is either a lead alloy (in the first toys), or more commonly Zamak (or Mazak in the UK), an alloy of zinc with small quantities of aluminium and copper. Lead, as previously so widely used for cast metal toys, or iron are impurities that must be carefully avoided in this alloy, as they give rise to zinc pest. These alloys are also referred to casually as white metal or pot metal, although these terms are also confused with the lead toy alloys.

specifically the cast metal door handles on the 66 chevell/elcamino. I can’t buy just one, it has to be a pair and its 50 bucks at best not including the shipping… gawd..

The parts are going to be expensive, it’s a classic vehicle, the parts have been out of production for years. They’re either New Old Stock (NOS) or used. You might, might that is, get the broken one welded, but that might cost as much as buying the pair of replacements. I’d buy the pair and then sell the one you don’t need on Ebay.

casting a Dave Gingery lathe in petrobond.

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I have a small item, which I’d like to have it casted in stainless steel or other metal. Anywhere in S’pore provides such service?

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ok so heres the thing i need a piece of metal shaped in certain design(something similar to wrench basically) but since i dont know how do i go about making that piece im wondering if theres any shops in chicago that would do that for me if anyone knows im able to pay for it so it doesnot have to be free but how much they would charge if anyone also knows the price.thank you

hard to tell without seeing your design whether it really need to be cast or better to be machined. Depends on the shape and purpose and metal involved.

but all you need to do is go to the chicago yellow pages and look for foundries:
http://www.yellowpages.com/Chicago-IL/Foundries?from=Branding_citychi_chicago+yellow+pages&search_terms=foundry

Then you get on the phone an phone a couple and see what they say. Obviously it also depends what kind of metal you need your shape in. As it will be custom work, prepare that it won’t be cheap.

28mm Scale Roman Empire Legionaries can be cast using Prince August Rubber Moulds. Each mould can cast hundreds of times and it only takes 5 minutes to cast. This guide shows you how to make one from scratch. they are available online at princeaugust.ie

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Is cast iron guttering worth taking to a scrap metal merchant?

someone told me yesterday that i would get about £3 for my cast iron gate and its pretty big
so guess the answer is not much!
maybe it would be better to go to a yard where they sell reclaimed items for people who want to do up period houses with original pieces
such places exist, Ive seen them on many a tv programme lol

This will be a multi part video on foundry pattern making. A wooden pattern is used to make an impression in the sand mold. A silica sand core is inserted to produce the cylinder bore in the casting. A wood pattern of the cylinder is turned on the Clausing lathe.

Duration : 0:9:44

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I am getting into home metal casting and am worried that I might accidentally include a zinc part in my aluminum, which would cause it vaporize and put out poison fumes. Is there a simple way to identify zinc as opposed to aluminum?

Zinc would weigh more than aluminium – it would be more dense for the same volume. (In practical terms, I don’t know how useful this is).
Al = 26.98
ZN = 65.38
Also aluminium is more corrosion-resistant.