Cooling Roll have hard chrome plated surface. Cooled water
passing through its Rotary joint to cools the hard chrome
plated surface area of the Roll. Cooling Roll cools the
contact area that touches the web materials or rubber rolls.
There are different type Cooling Rolls like single shell,
double shell jacketed type, spiral type. The surface cooling
effect will be vary for different types. Cooling Roll having
shaft with inside hole to fix rotary joint. Bigger shaft
diameter is recommended to avoid breakage of end shafts as
end shaft having inside hole.