Greensand Casting
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Intro
There are 2 main casting methods, each about 40% of all casting processes: greensand and no-bake molding. No-bake uses binders that set.
Technique
- Comprehensive diagram of all casting types - [1]. MIG Casting is not included. Binders can be clay, chemically setting binders, and polymerized oils (motor oil)
- Nobake (airset or precision sand) casting - use a binder with sand. [2]
- Types of binders - [3]
Greensand Sources
- K-bond- the open source oil sand - [4], hint from [5]
- Petrobond - good for novices - [6]
- Ebay - 5 lb - $20 - [7]
Casting Companies
- Commercial airset sand casting - [8]
Greensand Formulas
- One here, includes oil and bentonite - [9]