Transcription of Modern High Pressure Die-casting Processes for …
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Modern High Pressure Die-casting Processes for …
| 1 |TRANSACTIONS OF 61st INDIAN FOUNDRY CONGRESS 2013 INTRODUCTIONA luminium was discovered in the year 1825 by a Denmarkscientist Mr. Hans, using chemical process. Due to veryhigh cost, equivalent to that of silver, there was no majordevelopments until the Electrolysis method wasinvented by Charles M Halls. New developments the year 1876, the first Aluminium casting wasproduced using sand moulds. By 2010, there about 33plus different methods are available. Out of these, one ofthe most commercially successful process is Conventional high Pressure Die-casting . But it has somemajor drawbacks as well, such as air and gas blow holes, shrinkages, severe surface defects like cold shuts, swirl,sink and many more. These are also unable to weld andheat-treat to enhance the mechanical properties of thecastings.
| 2 | TRANSACTIONS OF 61st INDIAN FOUNDRY CONGRESS 2013 1) Horizontal Cold Chamber High Pressure Die-casting machines, for most types of castings.
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