Butterfly Ring Taper Story


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A busy OEM had a bottleneck in their exciter line and their engineers were in a panic. Large metal rings with lots of break out tabs were being hand taped by a half dozen employees...

Working closely with the customer's in-house engineers, CAM's design team created a horizontal ring taping concept using 3-D mechanical design software.


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Coil Spreader

Fully-Adjustable, Simple to Operate Pneumatic Coil Spreader!

Our Coil Spreaders
are known for their robust
construction with more
metal in critical pivot points.
Having more steel in the
frame ensures that all the
spreading force goes into the
coil and not into deflecting the
spreader itself.




  • Low running costs
  • Operates on standard
    workshop air supply

CAM offers Pneumatic Coil
Spreaders in several popular

Just tell us the largest
and smallest coil loops
you need to spread and
we will help you select
the machine that will
best suit your needs.

We can customize your
forming machine to suit
your needs. For
example: the machine
pictured at left has an
optional coil radius
forming attachment
added at the customer’s

Tell us your preferences
and we will provide a
custom forming solution.

DMC Firewall is developed by Dean Marshall Consultancy Ltd