Press furnace VARIOPRESS 330.eZR
for dental laboratoriesceramichigh-temperature

press furnace
press furnace
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Characteristics

Function
press
Applications
for dental laboratories
Designed for
ceramic
Temperature control
high-temperature

Description

Linear cooling thanks to an innovative fring chamber design and intelligent software! TTC - Mode The firing of dental ceramics on zirconia sub-structures carries a high risk of crack formation while cooling. With the VARIO PRESS 330.e ZR, the new TTC technology is available to you. In this process, a linear, controlled cooling is possible by specifying a temperature gradient between 5°C/min and 45°C/min within a firing programme. Thanks to the innovative design of the outer firing chamber and an intelligent software, an actively controlled return of the ceramic to the temperature range below the glass point is guaranteed. This reduces the risk of cracks and the dreaded „chipping“ of the dental ceramics used is reduced to a minimum. ADVANCED PRESS™ Verfahren Graph 1 shows the temperature difference of approximately 40°C between the set temperature in the pressing furnace and the inside temperature of the ring during standard pressing. The high temperature difference between the ideal press temperature for lithium disilicate in the ring core and the high temperature in the outside area of the ring, where the pressed objects are usually located, leads to a strongly pronounced reaction layer. This effect is reinforced by the long holding and pressing time. The result is a rough surface (orange peel) and time-consuming, laborious finishing.

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