What Is Investment Casting?
Investment casting is one of the oldest techniques for metal forming. This coating process involves the creation of a pattern or prototype of your desired part.
The master pattern can be made using several different methods including 3D printing or wood carving. After injecting wax into the master die, the wax cools to create an exact replica of the original pattern.
The wax pattern is typically coated in a ceramic material. This is the investment material. After the ceramic material hardens, the pattern is heated to a high temperature, allowing the wax to melt and drain from the ceramic shell.
Along with a ceramic slurry, brass, aluminum, or stainless steel alloys may be used. After draining the melted wax from the investment mold, molten metal is poured into the empty mold. The metal hardens and the investment material is broken, revealing the finished part.
As the wax model and ceramic mold are destroyed to remove the finished part, the process requires a die made from a master pattern. This increases the lead time for the project. However, some of the benefits of investment casting help offset the extended time frame.
Use Custom Investment Casting When:
You need a highly accurate, intricate shape:
Investment casting manufacturers achieve tolerances of 0.05 percent of length. For small dimensions, tolerances of 0.15 percent are possible.
A metal or alloy is difficult to fabricate or machine:
A variety of metals are great for casting, including bronzes, aluminum alloys, stainless steels, tool steels, Stellite, Hastelloys and precious metals.
You need a part you can’t manufacture using traditional techniques:
Steel investment casting is ideal, for instance, when making airplane components or complex turbine blades that must withstand extreme temperatures and conditions.
Creating safety-critical applications:
Because of the great accuracy awarded by investment casting, many of ours are used in critical automotive applications in which we must carefully control malleability, tensile strength and metallurgy.
Materials:Carbon steels, alloy steels, stainless steels, Ductile iron, Gray iron, high chromium iron, high Mn steel
1) We can do different kinds of surface treatment after casting, such as machining, polishing, and plating
2) We make them by precision casting, investment casting and steel sand casting process in Ningbo, China
3) They are using for Auto machine and others
4) Machine parts (machining parts or machinery parts), matelwork (metal products) and stamping parts.
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|SAND CASTING||Green Sand||Grey Iron, Ductile Iron, Malleable Iron, Stanless Steel, Carbon, Steel, Aluminium, Brass, Bronze|
|Furan Resin Sand|
|Cold Harden Resin Sand|
|INVESTMENT CASTING||Sodium Silicone (Water galss)||Stainless Steel, Carbon Steel, Special Alloy Steel Bronze, Brass, Aluminum|
|FORGING||Hammer Forging||Stainless Steel, Carbon Steel, Alloy Streel, Brass, Aluminum|
|STAMPING MACHINING||STAMPING MACHINING||All metal material|