59
A P P L I C A T I O N A N D O P E R A T I O N
E N
6.2.2 Sintering
▷
Shut the furnace door.
▷
Open the valve of the gas cylinder.
▷
Check that the gas pressure is at 1 bar; readjust
as required.
Fig. 34
▷
Provide for the compressed-air supply.
▷
Switch the furnace on.
▷
Select program 1 on the furnace keypad by
pressing the
key.
▷
Start the program with the
key.
Adjusting the flow of the protective gas.
During operation, the protective gas flow in the
furnace must establish as indicated.
Fig. 35
1
Gas flow directly after starting
2
Gas flow during the cooling phase
To ensure proper flow, the output pressure at the
gas cylinder during operation must be 1 bar.
When the value strongly deviates after starting:
▷
Readjust the operating pressure to 1 bar during
operation (see figure 34).
6.2.3 Post-preparations for the Sintering
When the sintering program is over, a tempera-
ture of 50
°C
is indicated and the compressed-air
cooling is stopped.
▷
Switch the furnace off.
▷
Using the bowl/cover tongs, carefully remove
the protective-gas retort out of the furnace
compartment and place it down on a non-flam-
mable surface.
NOTE:
Insufficient sintering results!
▷
When sintering Sintron, use program 1 only!
1 bar
NOTE:
Tilting off or falling down of the sintering bowl,
due to its high weight.
▷
Apply bowl/cover tongs ensuring a firm and
good grip.
1
2
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