Different Types of Forging Process

Forging is a process involving the shaping of metal using compressive forces. When it comes to forging, there are four main ways to forge apart. Those four are impression die forging, cold forging, open die forgings, and seamless rolled ring forging. Let's take a look at the type of forgings.

1. Different Types of
Forging Process

2. WHAT IS FORGING?
Forging is a manufacturing process involving
the shaping of metal using
localized compressive forces. The blows are
delivered with a hammer or a die.
Forging is often classified according to the
temperature at which it is performed. Cold
forging, warm forging, or hot forging.

3. Types of Forging Process

Impression Die Forging
Cold Forgingr
Open Die Forging
Seamless Rolled Ring Forging

4. Impression
Die Forging

Commonly referred to as closed-die
forging, impression die forging pounds or
presses metal between two dies that
contain a precut profile of the desired part.

Impression die forging uses steel, aluminum,
titanium and other alloys to produce a
variety of 3-D shapes that range in weight
from mere ounces up to more than 25 tons.

5. Cold Forging

While most forging is done hot, cold forging is
done at colder temperatures.

Cold forging encompasses many processes —
bending, cold drawing, cold heading, coining,
extrusions and more, to yield a diverse range
of part shapes.

These include various shaft-like
components, cup-shaped geometry’s, hollow
parts, all kinds of upset and bent
configurations, as well as combinations.

6. Open Die
Forging

Open-die forging can produce forgings from a
few pounds up to more than 150 tons.

This process is referred to as open die because
the metal is not confined laterally by impression
dies during forging.

Open die forging is ideal for parts over
200,000 lbs. and 80 feet in length.

7. Seamless
Rolled Ring
Forging

Seamless rolled ring forging is typically
performed by punching a hole in a thick, round
piece of metal and then rolling and squeezing
the donut into a thin ring.

Ring diameters can be anywhere from a few
inches to 30 feet.

8. Forging is one of the oldest
known metalworking processes.

Traditionally, forging was performed by
a smith using hammer and anvil.

In modern times, industrial forging is done
either with presses or with hammers powered
by compressed air, electricity, hydraulics or
steam.
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