Monthly Archives: December 2009
How can one smooth the surface of a wax model for casting?
I model small sculptures for lost-wax casting in bronze, using soldering irons, dental tools, etc. These can leave small surface "trickles" or blemishes where I want smooth surfaces to represent skin. There are actually two was to smooth the surface … Continue reading
Is small-scale investment casting expensive?
I have a few parts here that took me some time to machine. If I wanted copies of them (~10 or 20) without having to manually machine some more, could they be investment-cast for at most a few hundred dollars? … Continue reading
Mould made by Aluminium can be use to casting aluminium alloy product?
Wouldn’t the mold melt?……………..
When I cook with my iron cast skillet, particles from the pan enter the food. Why?
If I scramble eggs in the iron cast skillet, little black particles end up in the eggs. Is it just too old? "1890" is stamped on the bottom of the pan. I’m not sure if that is when it was … Continue reading
What are the practical characteristics of Sand-Cast Brass?
Aside from being ornamental, what are its traits in terms of strength, durability, malleability, resistance to chemicals and corrosion, etc.? Sand cast bass is a name given to molded pieces where a positive article is pressed into sand, and then … Continue reading
What is the recommended pH for a spray-wash solution to avoid rust while cleaning gray iron castings?
Spra washers are used in industry to wash and clean the gray iron castings. But if pH is not controlled properly, this causes rusting of machined surfaces, which are not primered by the supplier. Spray solutions are usally some solvents … Continue reading
anyone know what details are involved in bronze or silver casting?
Trying to learn how to work with bronze and silver castings. I worked with other metal, marbal, and ceramic castings. I was currious to know if they use the same tecniques with all castings? If anyone has any suggestions; feel … Continue reading
Is making LEGO pieces from sand casting possible?
Is there anyone out there who make their own LEGO pieces? If it is possible, how do i make the mold? I was thinking of using candle wax as the mold and use Wood’s metal as the LEGO piece. Would … Continue reading
What is aluminum die casting?
how many types of aluminum die casting are there? These next sites will explain everything to you. Die Casting is a manufacturing process in which molten metal is injected, under pressure, into a hardened steel die or also called mold. … Continue reading