OPEN DIE HEAVY FORGINGS
What is open die forging?
Open die forging involves the shaping of heated metal parts
between a top die attached to a ram and a bottom die attached
to a hammer anvil or press bed. Metal parts are worked above
their recrystallization temperatures-ranging from 1900°F
to 2400°F for steel-and gradually shaped into the desired
configuration through the skillful hammering or pressing of
the work piece.
While impression or closed die forging confines the metal in
dies, open die forging is distinguished by the fact that the
metal is never completely confined or restrained in the dies.
Most open die forgings are produced on flat dies. However, round
swaging dies, V-dies, mandrels, pins and loose tools are also
used depending on the desired part configuration and its size.
Although the open die forging process is often associated with
larger, simpler-shaped parts such as bars, blanks, rings, hollows
or spindles, in fact it can be considered the ultimate option
in "custom-designed" metal components. High-strength,
long-life parts optimized in terms of both mechanical properties
and structural integrity are today produced in sizes that range
from a few pounds to hundreds of tons in weight. In addition,
advanced forge shops now offer shapes that were never before
thought capable of being produced by the open die forging process.
The Open Die Forging Process
Steps to produce a typical spindle-shaped part:
Grain Flow Comparison
Directional alignment through the forging process has been deliberately oriented in a direction requiring maximum strength. This also yields ductility and resistance to impact and fatigue.
Unidirectional grain flow has been cut when changing contour, exposing grain ends. This renders the material more liable to fatigue and more sensitive to stress corrosion cracking.
No grain flow or directional strength is achieved through the casting process.
Products supplied & Industries catered
We are using 1600 tons & 3100 Tons oil Hydraulic presses
with rail bound manipulators & state of the art Heat treatment
& Machining facilites to produce quality forgings for various
Insustries & applications. Our strength is the strict quality
controll at every stage and the prompt deliveries.
Forgings are supplied to the following industries and in following