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Die Casting
Description
| THE PROCESS |
Most small aluminum, zinc or magnesium components
with a complex shape - camera bodies, housings, the chassis of video
recorders - are made by DIE CASTING. It is to metals what injection molding
is to polymers, and the two compete directly. In the process, molten
metal is injected under high pressure into a metal die through a system
of sprues and runners. The pressure is maintained until the component
is solid, when the die is opened and the component ejected. The dies
are precision-machined from heat-resistant steel and are water cooled
to increase life.
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| PHYSICAL ATTRIBUTES |
Mass range |
0.01 |
- |
50 |
kg |
Range of section thickness |
0.5 |
- |
12 |
mm |
| Surface roughness (A=v. smooth) |
A |
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| ECONOMIC ATTRIBUTES |
Economic batch size (units) |
1e4 |
- |
1e6 |
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Relative tooling cost |
high |
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Relative equipment cost |
high |
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Labor intensity |
low |
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| SHAPE |
Circular prismatic |
True |
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Non-circular prismatic |
True |
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Solid 3-D |
True |
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Hollow 3-D |
True |
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SUPPORTING INFORMATION |
Typical uses |
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Record player and video player
chassis, pulleys and drives, motor frames and cases, switch-gear
housings, housings for small appliances and power tools,
carburetor and distributor housings, housings for gearboxes
and clutches. |
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| LINKS |
Reference
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MaterialUniverse
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No warranty is given for the accuracy
of this data. Values marked * are estimates.
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