System for controlling the film thickness profile, which can be controlled with all modern thickness gauges.
Heated steel bolts expand depending on the controlled heating power and this move the lip according to the thickness control. The heated steel bolts are in a cooling air flow. The heating cartridges inside the bolts are regulated by a controller.
|Technical Specifications||thermo bolts|
|Total adjustment range||300 µm|
|division (bolt spacing)||30, 28 oder 25.4 mm (1″)|
|Heating cartridge power||80 W|
|mechanical fine adjustment|
|Thermal separation to the extrusion die|