Die Castings
Your Professional Die Castings Supplier
Dongguan Tongtoo Aluminum Products Co., Ltd., established in 2014, is located in Zhongtang Town, Dongguan City. The company specializes in the R&D, design, and manufacturing of aluminum profile molds; the R&D, design, production, and CNC machining of aluminum alloy profiles; and surface treatments for various aluminum products, including powder coating, oil spraying, electrophoresis, electroplating, anodizing, and coloring. It possesses advanced production equipment and strong technical capabilities.
Why Choose Us
Technological Advantages
The company continuously improves and enhances its technical capabilities, strengthening its innovation capacity, and possesses strong technical advantages in aluminum product deep processing and environmentally friendly surface treatment technologies.
Good Service
The company Professional consultants provide one-on-one communication to tailor mold solutions to your specific needs.
Certifications
The company has passed ISO9001:2015 quality system certification.
Professional Export
The company's products cover various fields globally, the United States, Germany, Denmark, Singapore, Canada, Russia, Africa, and other regions.
Advantages of Die Castings
Complex Thin-walled Parts
Aluminun die casting can manufacture complex-shaped and light components but with an excellent strength-to-weight ratio, giving it an edge over other metal molding castings and investment castings.
High Mechanical Properties
Die casting products feature excellent mechanical properties. As the liquid metal solidifies under high pressure, the product appears to be fine, compact, and crystalline. Die casting parts are rigid with high hardness and strength.
High Dimensional Tolerance
Die casting produces parts with high durability and dimensional accuracy. Even when exposed to harsh conditions, the parts maintain their dimensional accuracy over time. As a result, die casting is used in fabricating complex and internal parts of machines that require high standards of precision and accuracy.
Smooth Surfaces
Die casting parts have a smooth, consistent crystalline surface. Die casting process alloys molten metal alloy to fill up the dies and create the exact shape. Therefore, provided the die is well shaped and the process is in the right condition, the parts will be fine and smooth.
Cost-Effective for Mass Production
Since the surface of die castings is often smooth with excellent mechanical features, die-cast parts often require less machining. In some cases, no machining at all.
Mold creation: The die, a permanent mold with a cavity designed to the shape of the desired part, is made using steel.
Casting: Molten metal is manually or mechanically fed into the die cavity at high pressure. The metal is allowed to cool and harden within the die.
Part ejection: The die is opened, and the hardened metal part is ejected.
Post-machining: This is mostly required after the casting of net-shape parts. Precision machining will be required to cut out holes.
Aluminum alloys for die casting
This is the predominant metal used with this molding technique. They are lightweight and the primary choice for complex, polished parts because they offer great dimensional stability. Other properties they confer on the product include temperature and corrosion resistance, as well as electrical and thermal conductivity.
Zinc alloys for die casting
Zinc alloys have great castability, particularly in a hot-chamber. They offer numerous benefits to the products, including ductility, impact strength, and suitability for plating with other materials.
Magnesium alloy for die casting
Magnesium alloy is lighter than aluminum and brings the extra benefit of being highly machinable. This makes it the best metal choice for products that require additional details. These alloys work best with a hot-chamber. It is often alloyed with silicon, manganese, zinc, and aluminum.
Copper alloy for die casting
Copper alloys are mostly used for parts where toughness is the primary goal because of their high strength, corrosion resistance, hardness, and dimensional stability. These properties make them suitable for marine components, auto parts, bearings, and faucets.
Lead alloys for die casting
Lead-based alloys for die casting are mainly lead-antimony (Pb-Sb) or tin-antimony-lead (Sn-Sb-Pb). Their most desirable properties are high fluidity and low melting points, which make them suitable for casting parts with intricate details.
Die Castings Applications
Automotive: Aluminum die casting is popular in the automotive industry as it can produce lightweight components like hydraulic cylinders, engine brackets, and gearbox cases. Zinc die casting is suitable for fuel, brake, and power steering components, while magnesium die casting works for panels and seat frames.
Aerospace: As in the automotive industry, aerospace parts suppliers use aluminum die casting to make lightweight parts that exhibit a high level of heat and corrosion resistance. Lightweight parts reduce fuel usage.
Energy: Die casting parts in the oil and gas sector include valves, filtration components, and impellers. Renewable energy parts like wind turbine blades can also be die cast.
Electronics: Die casting is prevalent in electronics, as it is used for items like enclosures, housings, and connectors. Die casting parts can also be designed with incorporated heat sinks, which are necessary for many devices.
Construction: The construction industry uses aluminum die casting for large structures like building frames and window frames.
Engineering: Lifting equipment, machine tools, and other equipment often contain die cast components.
Medical: In healthcare, die casting can be used for monitoring device components, ultrasound systems, and other items.
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