Wanted to make aluminum medallion to the girlfriend, gift to the spouse or just small talismanchik of aluminum to themselves? It is quite easy to make it. Production of small part of simple form from such fusible metal as aluminum, is subject to any amateur master in house conditions. But aluminum it is necessary to melt correctly.
Instruction
1. Make casting mold. It is possible to make it of boards and flask of any size and look. The option of dissecting of the turned-out box on several forms, by insertion of cross levels is possible. Add to casting mold molding sand (75%), clay (20%) and coal dust (5%) in the specified ratio. Stamp well added mix.
2. Take model on which the part will be made. Wring out the model in well stamped earth which you filled in the form. You remember, not only the quality of the part, but also condition of its elements will depend on your extraction. Strew print with graphite and talc.
3. Prepare the furnace (small horn or the muffle furnace). Take steel or pig-iron capacity with nose.
4. Take aluminum and heat this metal. Stand him 5 minutes after melting in the furnace for the maximum warming up.
5. Pour out the melted metal in the form thin continuous stream so that there was no washing out of form at the same time. Let's aluminum cool down and harden.
6. Take product from form. As a rule, it will have certain rough surface, in view of specific properties of form.
7. Process finished product. For this purpose it is possible to apply abrasive paper or the grinding tool. The model of your product is ready. It is the excellent gift made with own hands.