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Green Sand Casting

Date Added: September 23, 2009 02:09:34 AM
Author: hltxadmin
Category: Casting Technology: Sand Casting

 

Sand casting is the most ancient form of metal casting and has been around since 

at least Ancient Egypt. Many metal casters prefer using sand casting over many 

of the other forms of processes because it’s cheap and the sand used is readily 

available.

Many experienced metal casters will continue to use sand casting even though 

their abilities and resources allow them to use the other metal casting methods like 

Lost Wax Casting or Investment CastingSand casting involves less material 

and less effort than the other casting methods. Sand casting is a great way for new 

casters to get into the trade. 

Sand casting generally has a rough surface sometimes with surface impurities, 

and surface variations. In sand casting, the metal caster will create a mold by 

placing an original in the flask which is filled with sand. The casting sand used 

needs to be able to retain the shape of the mold. Finding the right mixture of sand 

to water is crucial. Too much water can ruin the mold and possibly destroy it 

while too little water will create a poor casting. Green sand is a type of casting sand 

that many prefer since its ability to retain the shape of the mold is far better then 

normal sand. Green sand usually contains bentonite clay, sand, and water. Green 

sand is growing in popularity as more casters are recognizing the properties of this 

method. If you have traditionally used regular sand casting, green sand casting 

will prove to be easier to work with and will produce better casts.

green sand casting

Process:Green sand casting
Material: Ductile Iron-GGG50
Used for: Engine blocks and manifolds, machine bases, gears, pulleys, agriculture parts,

marine parts, medical parts,lifting machine parts; hardware, automobile parts,ect

 
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