Carbon infrared oven saves time and space

A carbon infrared oven from Heraeus Noblelight has helped Stoelzle Flaconnage to achieve faster curing of organic paint sprayed onto perfume bottles. Its installation has saved space compared with an alternative hot air oven at the Knottingley glass manufacturing plant.

When it was decided to adapt a mothballed ceramics spraying machine to provide additional organic paint spraying capacity, it was realised that there was insufficient space for a conventional warm air oven.

Also, Stoelzle engineers wanted paint drying times to be cut to match increased production line speeds.

Tests at the Heraeus Application Centre showed that using carbon infrared, coatings on glass containers delivered at a line speed of 4.4m/min, could be cured in 90s. A five zone oven now sits over the conveyor system.

Each zone consists of two side infrared modules and one top module. The twin tube, carbon infrared emitters have a response time of less than 2s, so the oven can be quickly switched off when there are gaps in the line.