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Home > News > What are the advantages die casting?
What are the advantages die casting?
Die casting is one of the most versatile and prolific metal casting processes, characterized by the use of a mold cavity to apply high pressure to the molten metal. The characteristics of die casting process contribute to design die casting parts to meet the requirements of the die casting process.
Advantages Of Die Casting
High production efficiency
The production process is easy to mechanize and automate. In general, cold chamber die casting machine is die-casting 50 to 90 times per hour. The hot chamber die casting machine is die-casting 400 to 900 times per hour.
Excellent dimensional accuracy and smooth cast surfaces
The general tolerance class of die casting parts is IT13~IT15 in GB/T 1800-2009, and the higher precision can reach IT10~W 1 1. Surface finish (Ra) is 3.2~1.6μm, and locally up to 0.8μ Due to the high dimensional accuracy and high surface finish of die castings, less demanding die castings can be used directly, avoiding machining or less machining, improving the utilization of the alloy and saving a lot of machining costs.
High mechanical properties of die castings
The metal melt cools quickly in die casting and crystallizes under pressure, so that a layer of crystalline grains near the surface of the die casting is fine and compact. Both strength and hardness are high.
Die-casting complex thin-walled parts
Die castings can have complex part shapes, the wall thickness of the part can be smaller simultaneously, compared with sand castings and metal mold castings. The minimum wall thickness of aluminum alloy die-casting parts is 0.5mm. The minimum wall thickness of zinc alloy die castings can achieve 0.3mm.
Economical and easy for mass production
Durable and dimensionally stable die casting parts can be obtained with specified shapes, so no machining or less machining is required.
Variety of surface textures
Die casting parts can have many finishing techniques and surfaces. The process is capable of achieving smooth or textured part surfaces.
Parts of other materials can be embedded in die castings
Complex fasteners or inserts can be included in the final component. So it saves valuable materials costs and processing costs. The complex shapes of parts can be obtained and the performance of parts can be improved. Besides, assembly work is reduced.
Advantages Of Die Casting
High production efficiency
The production process is easy to mechanize and automate. In general, cold chamber die casting machine is die-casting 50 to 90 times per hour. The hot chamber die casting machine is die-casting 400 to 900 times per hour.
Excellent dimensional accuracy and smooth cast surfaces
The general tolerance class of die casting parts is IT13~IT15 in GB/T 1800-2009, and the higher precision can reach IT10~W 1 1. Surface finish (Ra) is 3.2~1.6μm, and locally up to 0.8μ Due to the high dimensional accuracy and high surface finish of die castings, less demanding die castings can be used directly, avoiding machining or less machining, improving the utilization of the alloy and saving a lot of machining costs.
High mechanical properties of die castings
The metal melt cools quickly in die casting and crystallizes under pressure, so that a layer of crystalline grains near the surface of the die casting is fine and compact. Both strength and hardness are high.
Die-casting complex thin-walled parts
Die castings can have complex part shapes, the wall thickness of the part can be smaller simultaneously, compared with sand castings and metal mold castings. The minimum wall thickness of aluminum alloy die-casting parts is 0.5mm. The minimum wall thickness of zinc alloy die castings can achieve 0.3mm.
Economical and easy for mass production
Durable and dimensionally stable die casting parts can be obtained with specified shapes, so no machining or less machining is required.
Variety of surface textures
Die casting parts can have many finishing techniques and surfaces. The process is capable of achieving smooth or textured part surfaces.
Parts of other materials can be embedded in die castings
Complex fasteners or inserts can be included in the final component. So it saves valuable materials costs and processing costs. The complex shapes of parts can be obtained and the performance of parts can be improved. Besides, assembly work is reduced.
