Die casting can refer to any kind of casting using a die such as gravity die casting or low pressure die casting, yet here die casting only refer to high pressure die casting. Aluminum die casting is a process of casting Aluminum alloy under pressure, which can produce precision parts in high volume at low costs.

1. Advantages of die casting process

1.1 high volume but low cost Compared with aluminum sand casting and gravity casting, aluminum die casting can produce precision parts in high volume at low costs.

1.2 good surface finish and good dimensional accuracy,Aluminum die casting generally has good surface finish and good dimensional accuracy. For many parts, post-machining can be totally eliminated, or very light machining may be required to bring dimensions to size.

2. Disadvantages of die casting process

2.1 higher cost of die casting mould, The cost of tooling of die casting is much more expensive than those as sand casting, gravity casting and investment casting.

2.2 high porosity, Though the porosity of die casting can be adjusted by using much higher pressure with a much larger and heavier mold, the porosity can not be avoided and is much more than that is made with low pressure casting and gravity casting. Furthermore,porosity leads die casting parts to be not suitable for heat treatment.Thus the consistence can not be compared with gravity castings.

 

 

 

 

Following list is the general material used for pressure die casting according to different country standard.

Aluminum Alloy

Commerdal Standard

Equivalent Alloys or dose sub strtutes

ANSI AA

BS1490

DIN1725/2

JIS

413.2

American

413.2

LM6

GD-ALSi12

 

A360

American

A360.1

LM9

 

ADC3

A380

American

A380.0

LM24

GD-AISi8Cu3

ADC10

384

American

384

 

 

ADC12

ADC12

Japanese

383.0/384.0

 

 

ADC12

GD-AISi9Cu3

German

 

LM2

GD-AISi9Cu3

 

GD-AISi12(Cu)

German

A413.0

LM20

GD-AISi12(Cu)

ADC1

 

●If you want to know more, please send the inquiry to the E-mail:sales@innovaw.com.

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