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Casting info--Carrier base

September 03, 2024
1.Casting info
name: Carrier base
requirements:internal requirement
casting process: 
Die Casting machine tonnage:280T
punch dia (mm):60
material: AlSi9Cu3
casting weight (g):410
casting size(mm):140*100                    
average wall thickness(mm):5
2.Casting question
machine hole see the defective picture
3.Casting picture
Casting pictureCasting picture
4. casting analysis
the red circled place is the thick wall place in deep cavity, the filling priority is not enough to produce gas envelope, and there may be shrinkage holes caused by shrinkage.
5.improving measures
The product bar feed is used to fill the deep cavity preferentially, so that the flow of the defect part increases, and the filling pressure is increased for feeding.
6.Improving results:
Red circled place is the machined deep cavity has over than 95% pass rate 
Improving results
7.Tips
For feeding.
the establishment condition of feeding is build a feeding channel.so any place of the whole channel curdles in advance,which will lead to a failed feeding
 
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Mr. Logan

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