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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, plastik na plastik, or metal.
The pattern is placed inside a molding box (Flask), at 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 at 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, paglaban sa kaagnasan, bigat ng katawan, at gastos.
These metals contain iron and are commonly used for high-strength and structural applications.
| Materyal | Mga marka | Mga Pangunahing Katangian | Mga Karaniwang Aplikasyon |
|---|---|---|---|
| kulay abo na cast iron | ASTM A48, EN-GJL-200/300 | Napakahusay na castability, vibration damping, lakas ng compressive | Mga bloke ng engine, mga base ng makina, mga pabahay |
| Ductile Iron | ASTM A536 (60-40-18), EN-GJS-400 | Tigas na tigas, ductility, paglaban sa pagkapagod | Crankshafts, mga gears, mga fitting ng pipe, mabigat na makinarya |
| Carbon Steel | AISI 1020, AISI 1045, AISI 1060 | Mataas na lakas, matipid sa gastos, weldable | Mga bahagi ng istruktura, mga shaft, industrial tools |
| haluang metal na bakal | AISI 4140, 4340, ASTM A387, EN 34CrNiMo6 | Paglaban sa init, hardenability, improved wear resistance | Gears, namamatay na, pressure parts, aerospace |
| Hindi kinakalawang na asero | AISI 304, 316, 410, 420, CF8, CF8M | Napakahusay na paglaban sa kaagnasan, hygienic, mataas na lakas | Food-grade equipment, Mga balbula, pump parts, marine use |
These are metals without significant iron content, typically used for corrosion resistance and weight savings.
| Materyal | Mga marka | Mga Pangunahing Katangian | Mga Karaniwang Aplikasyon |
|---|---|---|---|
| Mga Alloys ng Aluminyo | A356, A319, 6061, LM6 | Magaan ang timbang, hindi lumalaban sa kaagnasan, good conductivity, recyclable | Automotive, mga bahagi ng aerospace, electrical enclosures |
| tanso (Cu-Sn) | C83600, C93200, SAE 660 | Excellent wear/corrosion resistance | Bushings, mga gears, mga bahagi ng dagat |
| tanso (Cu-Zn) | C36000, C37700, CW614N | Magandang machinability, attractive finish, hindi lumalaban sa kaagnasan | Plumbing fixtures, decorative hardware |
| Tanso | C11000, C12200 | Outstanding electrical and thermal conductivity | Electrical connectors, mga terminal, bus bars |
| Zinc Alloys | Zamak 3, Zamak 5, ZA-8 | Mababang punto ng pagtunaw, excellent detail and surface finish | Complex small parts, die-cast components |
| Mga haluang metal ng magnesiyo | AZ91D, AM60 | Extremely lightweight, mataas na ratio ng lakas sa timbang | 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:
Mga bloke ng engine, mga ulo ng silindro, brake drums, mga pabahay ng transmisyon, suspension knuckles, and railway wheels.
Mga pabahay ng pump, mga katawan ng balbula, gearbox casings, compressor shells, and large machine bases.
Pump and compressor internals, refinery equipment housings, piping tees, Mga siko, at mga 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.
Mga bahagi ng paghahagis ng sasakyan
Mga bahagi ng paghahagis ng sasakyang panghimpapawid
Mga accessory ng kagamitan sa langis at gas
Mga kagamitang militar paghahagis ng mga bahagi
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.
Pagkatapos ng solidification, 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 (aluminyo, tanso, tanso, tanso, sink, at magnesium).
Typical dimensional tolerances are around ± 0.5 mm per 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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