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Die Casting Service

Die Casting Service is suit for the mass production of complex metal parts. The low melting point metals are often used, such as aluminium, zinc and magnesium. Pressure die casting is widely used due to its reliability, accuracy and good price. The main die casting services of Kesu Group are aluminium die casting, zinc die casting, steel casting and aluminium extrusion profile.

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Die Casting Equipment


Die Casting Service


Inspection Equipment

EquipmentQuantityBrand
CMM2LEAD
2.5D3
XRF Spectrometer1HITACHI
Altimeter1
Calliper20
Micrometer10
AVAILABLE MATERIAL

Zinc
Brass
Aluminium
Magnesium
Zinc
Zinc

Zinc Alloy is low melting point alloy with great fluidity, and easy for welding, brazing and reform processing, and it is widely used in the casting industry.


Alloys:

Z13001, Z15001, Z19001 ...


Finish Options:

A. Polishing, B.Grinding, C.Sandblasting, D. Nickle Plating, E.Painting

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Brass
Brass

Brass is a free machining metal, and it is commonly used for a variety of parts including gears, lock components, pipe fittings, and ornamental applications.


Alloy:

Brass-H59, Brass-H62, Brass-H59, Brass-H62, Brass-HA177-2, Brass-HMn58-2, Brass-HPb59-1, Brass-HSn62-1...


Finish Options:

A.Polishing, B.Grinding, C.Brushing, D.Laser Marking, E.Silk Screen, F.Transfer Printing.

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Aluminium
Aluminium

Aluminum is one of the most commonly used metals in machining, as it has excellent strength-to-weight ratio, low cost, and recyclability.


Alloys:

AL5052-T651, AL6061-T651, AL 7075-T651, AL6082-T651...


Finish Options:

A.Polishing, B.Grinding, C.Brushing, D.Sandblasting, E.Painting, F.Powder Painting, G.Anodizing , H.Hard anodized, I.Teflon Coating, J.Laser Marking, K.Silk Screen, L.Transfer Printing.

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Magnesium
Magnesium

Magnesium Alloy is a high strength alloy with low density, and is widely used in aviation, aerospace and transportation etc.


Alloys:

AZ31, AZ41, AZ61...


Finish Options:

A.Polishing, B.Brushing, C.Sandblasting, D. Micro Arc Oxidation

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Regular Production Standard of Tolerance
ISO 2768-M
Table 1 - Linear Dimensions
Permissible deviations in mm for ranges in nominal lengthsTolerance Class Designation (Description)
m (medium)
0.5 up to 3±0.1
over 3 up to 6±0.2
over 6 up to 30±0.3
over 30 up to 120±0.5
over 120 up to 400±0.8
over 400 up to 1000±1.2
over 1000 up to 2000±2.0
over 2000 up to 4000


For nominal sizes below 0.5 mm, the deviations shall be indicated adjacent to the relevant nominal size(s).
Process

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What is Die Casting?

Pressure Die casting is abbreviated as die casting, which is a casting method in which molten alloy liquid is poured into a press chamber, the cavity of a steel mold is filled at high speed, and the alloy liquid is solidified under pressure to form a casting.


Molds are usually made of higher-strength alloys, and this process is somewhat similar to injection molding.


The metals used for die casting mainly include zinc, copper, aluminum, magnesium, lead, tin, and lead-tin alloys. The upper mass limits for die-casting using aluminum, copper, magnesium, and zinc are 70 lbs (32 kg), 10 lbs (4.5 kg), 44 lbs (20 kg), and 75 lbs (34 kg), respectively.


Depending on the type of die casting, you need to use a cold chamber die casting machine or a hot chamber die casting machine. The difference lies in how much force they can withstand, the typical pressure range is between 400 to 4000 tons.


Die Casting Service

Die Casting Process


The main characteristics of die casting that distinguish it from other casting methods are high pressure and high speed.


①The molten metal fills the cavity under pressure, and crystallizes and solidifies under higher pressure. The common pressure is 15-100MPa.


②The molten metal fills the cavity at a high speed, usually 10-50 meters per second, and some can exceed 80 meters per second, (the linear velocity of the cavity through the inner gate-the inner gate speed), so the molten metal The filling time is extremely short, and the cavity can be filled in about 0.01-0.2 seconds (depending on the size of the casting).


Die Casting Service

Die Casting


The cost of casting equipment and molds is high, so the die-casting process is generally only used for mass production of a large number of products. Die casting is particularly suitable for manufacturing a large number of small and medium-sized castings, so die casting is the most widely used one among various casting processes. Compared with other casting technologies, the die-casting surface is flatter and has a higher dimensional consistency.


Die Casting Service

Die Casting Parts

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