Cast Iron Foundry Supplied Sand Casting Production


Cast Iron Foundry Supplied Sand Casting Production

NBSJ offers sand casting production and custom metal casting parts made in our cast iron foundry
molten iron pouring in cast iron foundry
Sand casting is a historically based process to manufacture metal products. NBSJ ’s cast iron foundry has been producing sand casting products since the 1990s. By now, the foundry has owned automated sand-molding lines, core making machines, and electric furnaces up to 2T, and the foundry’s capacity can be up to hundreds of tons per month. And as a cast iron supplier, we also equipped the foundry with advanced testing instruments such as molten iron analyzers, spectrometers, and metallographic microscopes to guarantee the iron’s grade and mechanical properties.

Our cast iron products ranged from hundreds of grams to several tons, and the casting materials include ductile iron, malleable steel(iron), gray iron, etc. Meanwhile, we have our own CNC machining workshop, where we can make the patterns and subsequent machining of the casting blanks to meet the customers’ one-stop requirements.

If you have a metal part that needs to be customized, either for prototype or mass production, contact us now and immediately enjoy our services.

What are sand casting and iron foundry?
Sand casting, or we can call it sand mold casting, is a casting method that uses sand to make a mold to produce castings. We can manufacture steel, iron, and most non-ferrous alloy products with a sand casting process. Due to the low cost and easy availability of the molding materials, both small batch and mass production can go with the sand casting process. It has been a fundamental process in the casting field for a long time. And an iron foundry is a factory where we can produce cast iron products, usually, proceed with a sand casting process.

There are several procedures involved in the whole sand casting process.

1. Make the pattern of the casting part, and we can call it Mold-making Step

2. Place the pattern into the flask and form the cast gating system

3. Put the sand into the flask, and remove the pattern after the sand get compacted, to make the sand casting mold

4. Cast the molten iron into the mold cavity via the gating system

5. Break the sand mold and separate the iron part apart from the sand after the iron get cooled

6. Clean the cast iron parts and remove the extra materials like the gates and flashes via cutting and grinding processes

Sand casting procedures

Benefits of the sand casting process include

The molding material is inexpensive and accessible easily
Simple molding and casting operations
Cheap casting cost
Short production cycle
Suitable for both small-batch and mass production, even a single piece production

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