Die casting

Definition and stakes

Chester L. Lucas,  Die Casting: Dies—Machines—Methods

“ These vents are made by milling a flat shallow cut from the die-cavity across the face of the die to the outside edges of the block. From 1⁄4 inch to 1⁄2 inch is the usual width and from 0.003 to 0.005 of an inch, the customary depth, varying with the size and shape of the die in question.
Fig. 7. Disk cast in Simple Casting-die
The dies or molds for die-casting are of various styles, as are also punch-press dies, and it would be difficult to lay down specific rules for their classification. There are the plain dies, without complications of any kind; slide dies with one or more slides
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Source: Gutenberg

Chester L. Lucas,  Die Casting: Dies—Machines—Methods

“ At the outset we may say that it is possible to die-cast almost any piece, but it is not by any means practicable to do so. It must be remembered that to die-cast on a practical basis the dies must be constructed in such a manner that the cost of their operation and up-keep will be light, or there will be no profit in die-casting. It is impracticable to produce under-cut work, that is, work having no draft and which is therefore impossible to draw from the die. Such an instance is that illustrated at A, Fig. ”
Source: Gutenberg

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