Sikboy, are you pressing 100g or 200g rings? I just looked at my zubler programs (I don't get any reaction layer, and this is isn't the upgrade machine) and my hold time and max press time is much shorter.ġ00g Ring Start Temp 700c Heat rate 60c final temp 910 HOLD TIME 15.00 Extra press time 0.00 Max Press Time 6.00 Pressure low Vacuum level 720mm opening time 0.00 200g ring Start Temp 700c Heat rate 60c final temp 915 HOLD TIME 25.00 Extra press time 0.00 Max Press Time 8.00 Pressure low Vacuum level 720mm opening time 0.00.
They are a fine oven, but like most German products they are significantly over-engineered, and under-documented. As I remember, the manual is less than clear about this procedure. Load the ring and press the green button. When 'load ring' appears press the green button. Start the program, wait for preheat to finish. Consult ZUBLER's entire VARIO PRESS 300 catalogue on MedicalExpo.įrom the Manual: If the temp of the oven is below 700 degrees it will need to go through a preheat cycle before you load the ring. This ensures the necessary heat reflection inside the firing chamber and thus perfect pressing. The ring in the VARIO PRESS 300 is positioned on a tripod insert and is raised inside the firing chamber during the entire work process.
From the Manual: If the temp of the oven is below 700 degrees it will need to go through a preheat cycle before you load the ring.
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