argenta APE 800 Посібник з експлуатації та технічного обслуговування - Сторінка 6
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2. Intended use of the furnace
The furnace is intended for heating and drying trays (metal moulds) which are
applied in the process of jewellery casting with the use of stay-in-place wax method.
The construction and technical parameters of the furnace enable to use it for all casting
mass which are available on the market.
The application of temperature program selector enables the control of the heating
process with the priority of temperature over the time. It is possible to programme two
independent programs with sixteen sections in each one.
3. Furnace design – general comments
The furnace is constructed of two joined units which constitute one entity. The
first unit is a furnace which consists of a steel (or stainless steel – depending on the
order) construction, a heat insulation layer (40 mm) on each wall of the chamber, electric
and resistance heaters and a thermocouple which is placed in the heating chamber. The
second unit is a temperature program selector with the semiconductor joining element.
The furnace is equipped with the set of heatproof ceramic tiles which constitute the
panelling of the furnace ground. Its purpose is to protect the heatproof fibre from
damage.
WARNING: Provided socket may resemble a three-phase socket, but its application and
connection is completely different.
WARNING: Using metal trays as the furnace floor protection is impermissible. It cannot
be allowed to let wax remnants cover the furnace floor.
WARNING: The furnace structure allows the wax to soak into the bottom part of the
furnace chamber.
WARNING: Cooling down the furnace chamber with the use of fans or other appliances
extorting air circulation is impermissible.
WARNING: Burnt out trays should be previously dried in the drier in order to remove
the casting wax.
Fig.1. Reference drawing of the furnace
2008-06-18
8888
8888
RUN
HLD
S2
S1
0
1
6