Recent content by TREK9.9

No, it goes on and off as required.

The roller needs heating evenly as it is used to heat thermal laminating film. The film is wrapped 3/4 of the way round the roller and the heat activates the adhesive in the film.

The water does flow round via a rotary union. The roller has a diameter of 139.7mm x 12.5mm wall x 700mm long. We use this set up now but would like to see if there is anything available to heat a roller to the same temperature but not use a liquid if possible.

It's 140 degrees c and a heater unit is £3000 Uk Pounds.

The water is currently pressurised and heated by a 12kw temperature control unit made by Tool Temp. Water flows through the roller and is kept at a set temperature by the unit. I need to use an alternative to this unit as they are too expensive.

Can anyone give me ideas on how to heat a metal chromed roller to maintain 120 degrees on the outer surface. I currently use a pressurised water heater and a hollow mild steel chromed roller with a 12.5mm thick wall. Can it be done with electric rather than water? The roller has a diameter of 6"...