Die Casting is a manufacturing process in which molten metal is injected at high pressure and high speed into the cavity of a precision metal mold. It is particularly suitable for the mass production of metal parts with complex shapes, high dimensional accuracy, and excellent surface quality.
Die Casting vs. CNC Machining
Fundamental Difference: Forming/Molding vs. Subtractive.
Choose Die Casting when you need:
High-volume production to amortize high mold costs, resulting in a very low per-unit cost.
To manufacture integrated parts with complex internal cavities or curved surfaces.
Choose CNC Machining when you need:
Low-volume production or single prototypes/parts and cannot justify the investment in a mold.
To achieve higher dimensional tolerances and surface accuracy than what is typically possible with die casting.
To use special materials (e.g., titanium alloys, specific stainless steels) that cannot be die cast.
Die Casting vs. Additive Manufacturing (3D Printing)
Fundamental Difference: Mass Production vs. Rapid Prototyping/Customization.
Choose Die Casting when you need:
Scalable, cost-effective production. Once the mold is made, the cost and speed per individual part far exceed those of 3D printing.
Engineering-grade mechanical properties that are isotropic.
Smooth or ready-to-use surface quality.
Choose Additive Manufacturing when you need:
Rapid prototype validation to obtain a design concept within days.
To produce parts with complex internal lattice structures or monolithic assembled geometries that are impossible to achieve with traditional processes.
Highly customized components, such as medical implants or aerospace parts