Form of carbon with flake graphite in casting
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casting, its fracture is gray, usually also called gray iron.
Due to graphite soft, with lubrication, thus casting pig iron has good cutting, wear-resisting and casting performance.
But its tensile strength is not enough, so can not be forged, can only be used in the manufacture of all kinds of castings, such as casting a variety of machine tool bed, iron pipe, etc.
Small make up today to tell you something about how should iron casting oil removal in pig iron casting.
Because of using cast iron castings
mostly belongs to the mechanical products, so at the time of use, hard to avoid can use some lubricating oil for lubrication, inevitably will got oily be soiled, pig iron castings below small make up say, the oil removal in the iron casting method.
Of oil in the pig iron castings, at the time of use, because different people use types are different, so the removal method is also varied.
1, the use of organic solvent, the use of organic solvent effect is very good, because most of the substances are soluble in organic solvents.
And the solvent degreasing fast, corrosion can not repeat use.
But this solution is also flawed, is to compare the flammable, so cast iron castings at the time of use, must pay attention to the fire.
2, chemical degreasing, this method is mainly use some basic substances of saponification reaction and emulsified oil removal of pig iron castings, also can have the same effect.
That is about the oil removal method of pig iron castings in pig iron casting hope can help you, today small make up to you at this point, let's see you next time.
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