Centerline Wheels - Rotary Forged Technology
Centerline has designed a rotary forging press, the only one of its kind in
the world, to compress a solid billet of aluminum with 4,000 tons of force, at
300 revolutions per minute.
Not only does this process rearrange the aluminum molecules, but it also
aligns them in a circular pattern thereby adding strength. As a result, the
rotary forged wheel has a much tighter grain structure and is significantly
lighter weight than a cast wheel which requires greater mass due to its inherent
porosity.
To view the selection of Centerline Wheels we have available, please see our
Centerline Wheels page.
 Read on
to follow Centerline's patented manufacturing process and watch this solid 6061
aluminum billet be transformed into this striking one-piece rotary forged wheel.
The following process takes place entirely at our factory in Santa Fe Springs,
California.
 1. The
aluminum billet is run through the oven and heated to 900 degrees.
 2. The
nearly red-hot billets are transferred from the oven into the rotary forging
press.
 3.
Spinning at 300 revolutions per minute, the billet is compressed into the die
with 4,000 tons of force. This process forges the aluminum molecules into a
tight grain structure arranged in a circular pattern thereby allowing Centerline to build incredibly light-weight, strong wheels.
 4. The
beginnings of a wheel in its forged state just as it is about to be removed from
the rotary forging press.
 5. Next,
the aluminum forging must be split-spun to form the rim thereby completing the
structure of a one-piece rotary forged wheel.
6. After the wheel is formed to proper dimensions, it is machined into one of
Centerline's many
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