Die forging is a forging method that uses a die to shape the blank on special die forging equipment to obtain forgings. This method produces forgings with precise dimensions, smaller machining allowance and more complex structure productivity.

Free forgings.

The precision of free forgings is not high, the shape is simple, its shape and size is generally ensured by the operator using general-purpose tools, mainly for single-piece, small batch production. For the manufacture of large machine extra-large forgings, free forging is still the only effective method. Free forging requires high technical level of forgers, poor labor conditions and low production efficiency.

The difference between the two.

1, free forging: the product shape is simple, directly in the friction press forging forming.

2、Die forging: the shape of the product is more complex, relying on the upper and lower model cavity extrusion molding.