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Sand Casting is a traditional metal casting process that involves creating a mold from compacted sand, then pouring molten metal into the cavity to form a desired shape.
Once the metal solidifies, the sand mold is broken apart to remove the final casting.
DEZE Technology provides a variety of casting services, and users can choose the appropriate casting process according to their needs.
If you don’t know which casting method is more suitable for your product, please contact us and our professional engineers will help you.
A pattern is a replica of the final part, slightly oversized to account for metal shrinkage during cooling.
It is usually made from wood, ipulasitiki, noma insimbi.
The pattern is placed inside a molding box (umkhabi), futhi sand mixed with a binder (like clay or resin) is packed around it.
The mold is made in two halves:
Cores are sand shapes inserted into the mold to form internal cavities in the casting.
Molten metal is prepared in a furnace and poured into the mold through a sprue futhi runner system.
After pouring, the metal is allowed to cool and solidify inside the mold.
Once the metal has cooled, the sand mold is broken apart to retrieve the solid casting.
Excess material such as sprues, risers, and flash are removed by cutting or grinding.
Sand casting supports a wide range of ferrous and non-ferrous metals. The choice depends on the desired mechanical properties, ukumelana nokugqwala, isisindo, kanye nezindleko.
These metals contain iron and are commonly used for high-strength and structural applications.
| Okubalulekile | Ithathe | Izakhiwo Eziyinhloko | Izicelo Ezijwayelekile |
|---|---|---|---|
| I-grey cast iron | I-ASTM A48, EN-GJL-200/300 | I-castability enhle kakhulu, ukudlidliza, amandla acindezelayo | Injini iyavimba, izisekelo zomshini, izindlu |
| I-Ductile Iron | ASTM A536 (60-40-18), EN-GJS-400 | Ukuqina, i-ductility, ukumelana nokukhathala | Ama-crankshaft, amagiya, ukufakwa kwepayipi, imishini esindayo |
| Insimbi Yekhabhoni | AISI 1020, AISI 1045, AISI 1060 | Amandla aphezulu, kuqiza kahle, weldable | Structural parts, imiphini, industrial tools |
| I-alloy Steel | AISI 4140, 4340, ASTM A387, EN 34CrNiMo6 | Ukumelana nokushisa, hardenability, improved wear resistance | Amagiya, uyafa, pressure parts, i-aerospace |
| Insimbi engagqwali | AISI 304, 316, 410, 420, CF8, Cf8m | Ukumelana nokugqwala okuhle kakhulu, hygienic, amandla aphezulu | Food-grade equipment, ama-valve, izingxenye zepompo, marine use |
These are metals without significant iron content, typically used for corrosion resistance and weight savings.
| Okubalulekile | Ithathe | Izakhiwo Eziyinhloko | Izicelo Ezijwayelekile |
|---|---|---|---|
| Ama-aluminium Alloys | A356, A319, 6061, LM6 | Engasindi, ukumelana nokugqwala, good conductivity, vele kabusha | Ezezimoto, izingxenye ze-aerospace, electrical enclosures |
| Ithusi (Cu-Sn) | C83600, C93200, I enkulu 660 | Excellent wear/corrosion resistance | Bushings, amagiya, izingxenye zasolwandle |
| Ithusi (Cu-Zn) | C36000, C37700, CW614N | Ukuhleleka okuhle, attractive finish, ukumelana nokugqwala | Plumbing fixtures, decorative hardware |
| Ithusi | C11000, C12200 | Outstanding electrical and thermal conductivity | Electrical connectors, amatheminali, bus bars |
| Zinc Alloys | Zamak 3, Zamak 5, ZA-8 | Iphuzu elincibilikayo eliphansi, excellent detail and surface finish | Complex small parts, die-cast components |
| I-Magnesium Alloys | AZ91D, AM60 | Extremely lightweight, isilinganiso esiphezulu samandla nesisindo | I-Aerospace, electronics housings, automotive panels |
Sand casting’s versatility and low tooling cost make it ideal for a broad spectrum of applications—from heavy industrial components to artistic pieces:
Injini iyavimba, amakhanda amasilinda, brake drums, izindlu zokudlulisela, suspension knuckles, and railway wheels.
Izindlu zamaphampu, imizimba ye-valve, gearbox casings, compressor shells, and large machine bases.
Pump and compressor internals, refinery equipment housings, piping tees, I-Elbows, kanye nama-flanges.
Propeller hubs, rudder stocks, sea-water valve bodies, deck fittings (cleats, chocks), and anchor components.
Excavator buckets, bulldozer blades, crane sheaves, and structural castings for mining gear.
Turbine casings, steam-generator housings, pump volutes, and hydropower turbine parts.
Tractor housings, plowshares, combine-harvester components, and irrigation pump assemblies.
Statues, relief panels, fountains, ornamental railings, and façade elements.
Izingxenye zokusakaza zezimoto
Izingxenye zokulingisa izindiza
Izesekeli zemishini kawoyela negesi
Izingxenye zokuphonswa kwemishini yezempi
304 Stainless Steel Auto Parts
316 Stainless Steel Flanges
Auto parts
Hardware parts
Auto parts
CF8M Stainless Steel Pump parts
2205 Duplex Stainless Steel Machinery parts
Machinery parts
Sand casting is a metal-forming process where a pattern creates a cavity in a sand-binder mixture, into which molten metal is poured.
Ngemuva kokuqina, the sand mold is broken away to reveal the finished part.
Nearly any metal can be sand-cast, including ferrous alloys (gray and ductile iron, carbon and alloy steels) and non-ferrous alloys (i-aluminium, ithusi, zethusi, ithusi, zinc, kanye ne-magnesium).
Typical dimensional tolerances are around ± 0.5 mm ngakunye 100 mm of dimension, with surface finishes of Ra 6–12 µm.
Select sand casting for low-to-medium volumes, large or complex parts, rapid prototyping, or when low tooling cost is a priority—even if final parts require some machining.
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