Greensand Casting: Difference between revisions
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*'''Petrobond''' - good for novices - [https://www.ebay.com/i/323763579556?chn=ps] | *'''Petrobond''' - good for novices - [https://www.ebay.com/i/323763579556?chn=ps] | ||
*Ebay - 5 lb - $20 - [https://www.ebay.com/i/163377418357?rt=nc&_trkparms=aid%3D222007%26algo%3DSIM.MBE%26ao%3D1%26asc%3D20160908110712%26meid%3D10f2fb7064984c94904bff7ee36d599c%26pid%3D100677%26rk%3D14%26rkt%3D17%26mehot%3Dag%26sd%3D251256302899%26itm%3D163377418357] | *Ebay - 5 lb - $20 - [https://www.ebay.com/i/163377418357?rt=nc&_trkparms=aid%3D222007%26algo%3DSIM.MBE%26ao%3D1%26asc%3D20160908110712%26meid%3D10f2fb7064984c94904bff7ee36d599c%26pid%3D100677%26rk%3D14%26rkt%3D17%26mehot%3Dag%26sd%3D251256302899%26itm%3D163377418357] | ||
*More about oil-bonded sand formulas - [http://www.fennetic.net/machines/petrobond.html] | |||
=Casting Companies= | =Casting Companies= | ||
Revision as of 21:02, 6 April 2019
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]. Another link to PDF of formula - [6]. See Definitive Article on K-Bond.
- Petrobond - good for novices - [7]
- Ebay - 5 lb - $20 - [8]
- More about oil-bonded sand formulas - [9]
Casting Companies
- Commercial airset sand casting - [10]
Greensand Formulas
- One here, includes oil and bentonite - [11]