Operation
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2019-10-16
7
–3
7.3
Recommendation for a casting process
Figure 37: further suggestions of casting programs
Suggestions
Material
Yellow
gold 14k
Crucible
Graphite
Temperature reading
Thermo-
couple
Program No.
Temperature
°C
1080
Heating power
%
0050
Washing before heating
0000
Washing while heating
0001
Melting pressure start
Manual
Melting pressure
bar
-0.80
Casting pressure
bar
2.00
Label
585/YG
>
Switch on water-, protective gas and vacuum supply.
>
Prepare crucible with thermocouple. Switch on mains switch
(booting takes about 10 seconds).
>
Fill in casting material.
>
Put in preheated flask (620...650 °C).
>
Close and lock casting chamber secure.
Figure 38: safe handling of lock
Close the lock with the ball of hand. Hold the
hand open and use a glove.
>
Start yo
ur casting program with “Start” button.
>
If casting temperature is reached press
“Start”-button again for
building up vacuum (melting pressure).
>
After 10 seconds please press the button on the handle and tilt
the chamber uninterrupted clockwise til the catch. Release the
button on the handle to lock the unit in the tilted position. During
the tilting the unit automatically switches from vacuum (melting
