• June 21, 2024
  • Shatou, Changan, Dongguan, CN
Die Casting

Die Casting

Die casting is used to produce high-quality metal parts and components, It involves injecting molten metal into a mold cavity under high pressure, which then solidifies to form the final product, Die casting is a versatile process that can be used to produce complex and intricate parts with a high degree of accuracy and consistency.

Die casting is used in a wide range of industries, including aerospace, automotive, electronics, and medical devices. It’s a popular manufacturing process because it allows for the creation of complex parts with high precision and accuracy. Additionally, die casting is a cost-effective process because it produces very little waste and can be used with a wide range of metals, including aluminum, zinc, and copper.

Die Casting Service Description

NameDescription
MaterialAluminum, Zinc, Copper, Iron…
Piece weight1 g – 20 kg
Piece thickness≥ 0.5mm
Surface RoughnessRa1.6~Ra6.3
AccuracyISO8062 CT4~CT11, ISO2768 F/M
CavitySingle or multiple
Mold Life Time50K –  150K times
SizeAccording to customers’ drawings or samples
Drawing FormatSTEP, STP, PRT, IGS, XT, STL, X_T, DWG, DXF, pdf
ProcessCasting +Machining(option)+surface Treatment
Surface treatmentSanblasting, Polishing, Plating, Powder Coating, Anodisation etc
Testing MachineProfile projector, Rockwell hardness tester, Vickers hardness tester,
Roughness tester, air gage, concentricity tester, universal microscope,
CMM, digital caliper and etc.
CertificateISO9001: 2015
MOQ:Comply with customer’s demand
ApplicationsMachinery Accessories, Construction Parts, Agriculture Parts, Auto parts…
Payment Method:T/T, Paypal, Western Union
Shipping Method:Express(DHL, Fedex, UPS, EMS), air-freight, ocean-freight

Casting Linear Dimension Tolerances(ISO8062)

Nominal DimensionLinear Dimension Tolerances(ISO8062)
>CT4CT5CT6CT7CT8
100.26±0.130.36±0.180.52±0.260.74±0.371±0.5
10160.28±0.140.38±0.190.54±0.270.78±0.391.1±0.55
16250.3±0.150.42±0.210.58±0.290.82±0.441.2±0.6
25400.32±0.160.46±0.230.64±0.320.9±0.451.3±0.65
40630.36±0.180.5±0.250.7±0.351±0.501.4±0.70
631000.4±0.200.56±0.280.78±0.391.1±0.551.6±0.80
1001600.44±0.220.62±0.310.88±0.441.2±0.601.8±0.90
1602500.5±0.250.7±0.351±0.501.4±0.702±1.0
2504000.56±0.280.78±0.391.1±0.551.6±0.802.2±1.1
4006300.64±0.320.9±0.451.2±0.601.8±0.902.6±1.3

ISO 2768 Tolerance Standard

Table 1 Length Tolerance(except breakage)
Tolerance ClassSize(mm)
SymbolDescription0.5~33~630-120120-400400-12001000-20002000-4000
fFine+/-0.05+/-0.05+/-0.1+/-0.15+/-0.2+/-0.3+/-0.5
mMiddle+/-0.1+/-0.1+/-0.2+/-0.3+/-0.5+/-0.8+/-1.2+/-2
cCoarse+/-0.2+/-0.3+/-0.5+/-0.8+/-1.2+/-2+/-3+/-4
vVert Coarse+/-0.5+/-1+/-1.5+/-2.5+/-4+/-5+/-8
Size less than 0.5mm, the deviation will be displayed near the relevant normal size
Table 2 Breakage Tolerance (Outer Radius and Slope height)
Tolerance ClassSize(mm)
SymbolDescription0.5-3>5
fFine+/-0.2+/-0.5+/-1
mMiddle+/-0.2+/-0.5+/-1
cCoarse+/-0.4+/-1+/-2
vVert Coarse+/-0.4+/-1+/-2
Size less than 0.5mm, the deviation will be displayed near the relevant normal size
Table 3 Angle Tolerance
Tolerance ClassThe shorter side length of associated Angle(mm)
SymbolDescription1010-5050-120120-400400 and up
fFine+/-1°+/-0°30′+/-0°20′+/-0°10′+/-0°5′
mMiddle+/-1°+/-0°30′+/-0°20′+/-0°10′+/-0°5′
cCoarse+/-1°90′+/-1°+/-0°30′+/-0°15′+/-0°10′
vVert Coarse+/-3°+/-2°+/-1°+/-0°90′+/-0°20′

Die Casting Process

The die-casting process is a manufacturing process that involves forcing molten metal into a mold cavity under high pressure. This molten metal is then cooled and solidified to form the desired shape of the product. The die-casting process is suitable for producing high volumes of complex shapes with high dimensional accuracy and a smooth finish.

Here is a step-by-step explanation of the die-casting process:

Die casting processing steps

1. The first step in the die-casting process is the preparation of the mold. The mold is made from two halves, which are clamped together during the casting process.

2. Molten metal is then injected into the mold cavity under high pressure. The pressure is maintained until the metal solidifies.

3. Once the metal has solidified, the mold is opened, and the part is ejected from the mold.

4. The final step is to remove any excess material from the part, such as flash or burrs.

The die casting process is a highly efficient process that can produce parts with high accuracy and repeatability. It is also a very cost-effective process, as it can produce large quantities of parts quickly and with minimal waste. Die casting is used in a wide range of applications, from automotive and aerospace parts to consumer products and electronics.  manufacturing applications.

Die Casting Pros and Cons

Die casting is a unique manufacturing process that is widely used across various industries. This process has both advantages and disadvantages, which you should be aware of before deciding whether die casting is the right manufacturing method for your product or component.

1,High efficiency

Die casting is a highly efficient method of manufacturing parts and components, which makes it an ideal choice for high volume production runs.

2,High accuracy

Die casting produces parts with a high degree of accuracy, which is essential in industries that require precision parts.

3,Wide range of materials

Die casting can be used with a wide range of materials, including aluminum, zinc, magnesium, and copper.

4,Low labor costs

Die casting requires minimal labor, which can help to reduce manufacturing costs.

5,Smooth surface finish

Die casting produces parts with a high-quality surface finish that requires minimal post-processing.

1,High initial investment

Die casting requires a high initial investment in tooling and equipment, which can be a barrier for small businesses.

2,Limited size

Die casting is suitable for small to medium-sized parts and components, which can limit its application in certain industries.

3,Porosity

Die casting can result in parts with porosity or air pockets, which can affect the quality of the part.

4,Limited flexibility

Die casting is not a flexible manufacturing process, and changing the design of the part or component can be costly.

5,Environmental concerns

Die casting can produce hazardous waste, which can be harmful to the environment.

Die-casting products have good quality, stable size, high production efficiency, huge die-casting mold use times, suitable for large quantities of production, good economic benefits.

Casting is easy to produce small porosity and shrinkage, the mechanical properties of the product is not as good as CNC products, small batch investment cost is high.

Mostly we suggest the 3D printing for prototype, CNC processing for small qty, dia casting for large qty demand.

Please send us your requirements, our professional engineers team, will give you the most suitable advice.

Materials for Die Casting

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