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Casting>>Die casting
die casting die casting die casting
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alloy die casting die casting tool die casting
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die casting
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Brief introduction: Die-casting is similar to permanent mold casting except that the metal is injected into the mold under high pressure of 10-210Mpa (1,450-30,500) psi . This results in a more uniform part, generally good surface finish and good dimensional accuracy, as good as 0.2 % of casting dimension. For many parts, post-machining can be totally eliminated, or very light machining may be required to bring dimensions to size. alloy die casting, die casting tool

Serving industry of: transportation (automobile, bicycle); construction; architecture  

Typical components for: carburetor; hydraulic hardware; scaffolding; conveyor; locks; door fixtures; plumbing fixtures; electrical tools; lamps .

Material specification: Aluminum, zinc & copper alloys

Range of casting weight:

Final treatment:
Shot & sand blasting
Chemical & electrochemical finishing
Powder coating
Plating
Polishing
Painting
alloy die casting, die casting tool

 
Common aluminum alloys for die casting are summarized as follows:

Material

Silicon

Copper

Tensile Strength
MPa (ksi)

Properties

AA 380
(UNS A03800)

8.5 %

3.5 %

324
(47)

Fair easy to fill

AA 384
(UNS A03840)

11 %

4 %

331
(48)

Easy to fill

AA 386
(UNS A03860)

9.5 %

0.6 %

317
(46)

Good corrosion resistance

AA 390
(UNS A03900)

17 %

4.5 %

283
(41)

Good wear resistance


Minimum wall thicknesses and minimum draft angles for die casting are

Material

Min. Thickness
mm (in)

Min. Draft Angle (º)

Aluminum alloys

0.9 mm
(0.035 in)

0.5

Zinc alloys

0.6 mm
(0.025 in)

0.25

Copper alloys (Brass)

1.25 mm
(0.050 in)

0.7


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