How to Mix Sand for Casting Aluminum | Our Pastimes
Apr 12, 2017· One of the techniques for making an aluminum mold is called sand casting. It involves mixing fine sand, some clay, and a small amount of water to make the mixture cohesive. This mixture is called green sand because it is moist, not because it is actually green. The green sand is tamped into a box with a hollow mold shape embedded into it.Which green sand properties should you control per molding,,Mar 09, 2017· If the investment doesn’t make sense to you right now, we will be able to improve your system, but only to a certain limit. Yes, you’ll decrease your sand related casting defects. However, without a sand cooler , you’ll have a hard time controlling and stabilizing green sand properties ( believe our experience, or refer to figure 2 ).How to make Sand Cores for Cavities in Castings - YouTube,Nov 20, 2016· In this video, I show how to make sand cores, which are used to make cavities or voids inside castings, such as making it hollow.