Mold Making Tutorials

Metal Casting at Home Part 1 Backyard Foundry
Metal Casting at Home Part 1 Backyard Foundry

The first of many videos showing how I make aluminium castings in my home made foundry.

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Metal Casting at Home Part 2 Backyard Foundry
Metal Casting at Home Part 2 Backyard Foundry

In part one I made the sand mould. Now I melt metal and complete the casting.

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Metal Casting at Home Part 3. Backyard foundry
Metal Casting at Home Part 3. Backyard foundry

How to make a greensand mould using a loose piece.

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Metal Casting at Home Part 4 Backyard Foundry
Metal Casting at Home Part 4 Backyard Foundry

Casting parts for a model engine in aluminium .A sand core is used to make the casting hollow.

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Metal Casting at Home Part 5 Backyard Foundry Core Making
Metal Casting at Home Part 5 Backyard Foundry Core Making

Making sand cores as used in Metal casting at Home part 1 and 4

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Metal Casting at Home Part 6 Preparing the Moulding Sand .
Metal Casting at Home Part 6 Preparing the Moulding Sand .

A short video showing how the sand is prepared for use.

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Metal Casting at Home Part 7 Oddside Mould Making
Metal Casting at Home Part 7 Oddside Mould Making

Making a greensand mould when there is no flat surface to make the parting line.

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Metal Casting at Home Part 8 Pattern Making
Metal Casting at Home Part 8 Pattern Making

Showing how wooden patterns are made to make greensand moulds.

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Metal Casting at Home Part 9 The Furnace
Metal Casting at Home Part 9 The Furnace

Details of the equpment I use in my home foundry. More details including plans can be found at myfordboy.blogspot.com

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Metal Casting at Home Part 10 Another Day in my Home Foundry
Metal Casting at Home Part 10 Another Day in my Home Foundry

How to make a casting from making the sand mould to the finished item. The video has been edited to fit the 10 minute time limit of You tube. It takes much longer than this!

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Metal Casting at Home Part 11. Sodium Silicate & CO2 Core Making
Metal Casting at Home Part 11. Sodium Silicate & CO2 Core Making

Making sand cores for a greensand mould using Sodium Silicate and CO2 to harden the sand.

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Metal Casting at Home Part 12. When Castings Go Bad
Metal Casting at Home Part 12. When Castings Go Bad

Things don't always go well in the home foundry.

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Metal Casting at Home Part 13. Small Casting with Core.
Metal Casting at Home Part 13. Small Casting with Core.

Making a small casting in aluminium. A core is used to make the intenal detail of the casting. This is the gearbox for my Stickney engine model. There are some slight differences in technique from my other videos, I am learning all the time!

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Metal Casting at Home Part 14 Another Flywheel Casting
Metal Casting at Home Part 14 Another Flywheel Casting

Casting a pair of flywheels for my model Stickney engine. They will be lead filled and fitted with steel rims.

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Metal Casting at Home Part 15. Pattern making, start to finish.
Metal Casting at Home Part 15. Pattern making, start to finish.

Full details of making a wooden pattern for a greensand mould.

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Metal Casting at Home Part 16. Large Casting with Core.
Metal Casting at Home Part 16. Large Casting with Core.

Casting the pattern made in part 15. The recessed rectangle at the top will be cut out later and is filled in to aid moulding.

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Metal Casting at Home Part 17. Ten Castings with a Snap Flask
Metal Casting at Home Part 17. Ten Castings with a Snap Flask

Casting ten model cars using a snap flask to make the moulds.

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Metal Casting at Home Part 18 Cantilevered Core
Metal Casting at Home Part 18 Cantilevered Core

This casting needed a core to produce the required shape. The core could only be supported at one end so a cantilevered one was used.

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Metal Casting at Home Part 19 Experiment with Core Making.
Metal Casting at Home Part 19 Experiment with Core Making.

This was an experiment to see if carbon dioxide produced with vinegar and bicarbonated soda could be used to harden a sodium silicate sand core.

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Metal Casting at Home Part 20. Hit & Miss Engine Cored Cylinder .
Metal Casting at Home Part 20. Hit & Miss Engine Cored Cylinder .

Making a greensand mould and casting an aluminium cylinder for a model hit and miss engine. ( Blooper included ! )

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Metal Casting at Home Part 21 Core & Mould Making Casting & Machining
Metal Casting at Home Part 21 Core & Mould Making Casting & Machining

Making a cylinder head for a single cylinder hit and miss engine. Core making moulding casting and machining operations. The engine is an Olds Gearless, a 4 srtoke with no gears. An eccentric on the crankshaft opreates a ratchet wheel to give the necessary timing.

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Metal Casting at Home Part 22 Flywheel Pattern Making & Casting.
Metal Casting at Home Part 22 Flywheel Pattern Making & Casting.

Here I show the complete pattern making and casting of a 12 1/16" flywheel.

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Metal Casting at Home Part 23 Lego, Cuttlefish & Potato
Metal Casting at Home Part 23 Lego, Cuttlefish & Potato

I am showing a method of casting I read about somewhere, using a cuttlefish bone as the mould. it worked well on a small item. The size of the casting is limited to size of the bone.

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Metal Casting at Home Part 24 Solving a Mould problem
Metal Casting at Home Part 24 Solving a Mould problem

This pattern had some deep cavities and on the first attempt at moulding the sand stuck inside the pattern. Woodscrews were used on the second attempt to key the sand together.

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Metal Casting at Home Part 25 Suitable Metal for Casting
Metal Casting at Home Part 25 Suitable Metal for Casting

In this video I am advising on which aluminium scrap is the best choice for casting. By using metal that has been cast before you can be assured it is suitable. I would not use drinks cans for example as they contain so little metal and after melting you

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Metal Casting at Home Part 26 How to make Greensand
Metal Casting at Home Part 26 How to make Greensand

get a lot of questions about the sand I use. Here is my first attempt at making my own greensand. The results are very good. It was a lot of work mixing by hand so the next project could well be an electric muller. More details can be found at myfordboy.

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Metal Casting at Home Part 27 Core Box making with Plaster of Paris
Metal Casting at Home Part 27 Core Box making with Plaster of Paris

Here is a method I tried to make a core box. The wooden pattern for the casting was made with the internal shape formed also. Plaster of Paris was used to make a male mould and then this was used to make the female core box. Sodium Silicate and CO2 were

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Metal Casting at Home Part 28 Brass & Electric Furnace
Metal Casting at Home Part 28 Brass & Electric Furnace

An experiment to see if my elecrtric furnace was suitable for melting brass. This was the first time I have tried a brass casting. The small size of the furnace limits the amount of metal that can be melted but the results were good. Watch in HD.

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Metal Casting at Home Part 29 Greensand Core
Metal Casting at Home Part 29 Greensand Core

In this video I am using a new batch of Greensand from Artisan Foundry. The sand has enough green strength to use as a core. Proprietrory flux and degassing tablet were used instead of my usual salt and washing soda. More details at myfordboy.blogspot.co

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Metal Casting at Home Part 30 Improved Sodium Silicate Core
Metal Casting at Home Part 30 Improved Sodium Silicate Core

I am trying sodium silicate from a foundry supplier, artisanfoundry.co.uk instead of the stuff I originally used from a pottery supplier. The results are much better, this product is thicker and has a brown colour. The core is ready immediatly. 20ml of s

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Metal Casting at Home Part 31 Super Sifter
Metal Casting at Home Part 31 Super Sifter

The natural greensand seen here is from artisanfoundry.co.uk

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Metal Casting at Home Part 32 Making Moulding Flasks
Metal Casting at Home Part 32 Making Moulding Flasks

The quality of softwood here in the UK leaves something to be desired. I spotted this timber decking at the DIY store and it has proved to make great moulding flasks. There are grooves on one side only which when placed on the inside of the flask help ho

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Metal Casting at Home Part 33 Sodium Silicate & C02 Core Water Tank
Metal Casting at Home Part 33 Sodium Silicate & C02 Core Water Tank

How a tank is made using a sodium silicate core.

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Metal Casting at Home Part 34 Crucible Lifter and Pourer
Metal Casting at Home Part 34 Crucible Lifter and Pourer

Here are details of my combined crucible lifter and pourer.

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Metal Casting at Home Part 35 Pattern Making Start to Finish
Metal Casting at Home Part 35 Pattern Making Start to Finish

A number of viewers have asked for more details of pattern making. This video shows the complete making of a pattern for an Essex turntable. I have included abridged mould making and pouring clips so the end result can be seen. If you need more details o

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