1.1 Investment casting
Investment casting is an industrial process based on and also called lost-wax casting, one of the oldest known metal-forming techniques. In China, the lost-wax casting had been flourishing in BC 1,700 to BC 1,000, and today’s high-technology investment casting produced by Sinco Machine is the good combination of accuracy, repeatability, versatility and intergrity in a variety of metals and alloys.
Investment casting is generally used for small castings, but now we have been used to produce complete aircraft door frames, steel castings of up to 300 kg and aluminium castings of up to 30 kg.
1.2 Permanent mold casting
Permanent Mold casting, also refered to Gravity die casting is mainly used for nonferrous metals and alloys. Instead of using sand as the mold material, the mold (or die) is usually iron, steel, or graphite, and is cooled by water channels or by air jets on the outer surfaces. Cavity surfaces in metal dies are coated with a thin layer of heat-resistant material. The mold or die design is usually in two halves, although many multiple-part molds are in use, with loose sand or metal cores to form "undercut" surfaces.
Permanent mold castings, while not as flexible as sand castings in allowing the use of different patterns (different part designs), lower the cost of producing a part. At a production run of 1000 or more parts, we use permanent mold castings to produce a lower piece cost part. Typical part sizes range from 50 g to 50 kg (1.5 ounces to 150 lb). Typical materials used are small and medium sized parts made from aluminum, brass and their alloys. Typical parts include gears, splines, wheels, gear housings, pipefittings, fuel injection housings.And at present, More complex parts being favored by the use of permanent molds by Sinco Machine.
1.3 Aluminium die casting
Aluminum Die Cast Parts produced by Sinco Machine can be stronger than steel. Sinco Machine specilize in aluminium alloy die casting according to clients’ drawings with better quality and lower price. High pressure die casting is a process we use to make aluminum die cast parts. We inject molten aluminum alloy metal under pressure into a steel die to produce aluminum parts. Diecasting is a very inexpensive aluminum part manufacturing process.
Primarily we produce aluminum alloy die castings, but we also make some diecastings in zinc alloys. Sinco machine Company's die cast design consultants will assist you with die casting aluminum part design, aluminum die casting prototypes, die cast tooling, machining of die cast parts and finish the surface of many kinds of die cast aluminum parts with weights range from 15g to 16kg, and machining range from 250t to 800t.
1.4 Sand Cating
Sinco Machine use sand casting process for both ferrous material like grey iron, ductile iron and non-ferrous material like aluminium. Casting weights range from 20g to 200kg. We use precision sand casting for our proprietary method of the "green-sand" molding process. It is a process where our proprietary misture of sand, clay, and water is packed around a "Positive" (typically a Matchplate) by hand, with power tools, or in a pneumatic machine, which will exert a compressive force to pack the grains of sand and clay close together to form each mold half.