2/25/2016

Bertsche Large-Part Vacuum Dryer Offers Standalone or Integrated Options

Originally titled 'Large-Part Vacuum Dryer Offers Standalone or Integrated Options'
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Parts are manually or robot loaded to a part nest pallet, then shuttled to the vacuum drying station where residual water or fluids are evaporated, leaving the part completely dry.

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Bertsche vacuum dryer can be either a standalone drying system or integrated in automation cells when bone dry parts are a critical part of final part condition. Parts are manually or robot loaded to a part nest pallet, then shuttled to the vacuum drying station where residual water or fluids are evaporated, leaving the part completely dry. Options include pre-vacuum dry part heater, air blast dry tunnel to remove excess water (prior to vacuum drying), and/or an IR heater element in the vacuum chamber. The unit is standalone PLC-controlled or part of a field bus network with a robot interface. The vacuum chamber can handle parts as large as 30” × 30” × 10”. 

Vacuum drying is a process that relies on evaporation. The workpiece is placed on a part loading slide where it is shuttled into position for drying. The chamber hood comes down over the part to form a sealed vessel, and the vacuum pump is used to rapidly evacuate the vessel to an absolute pressure of 3-7 torr. The water vapor pressure is thus reduced to a point where it will evaporate at or below 40°F.

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