Deublin Co.:
Rotating Union, Series 1114 with "AutoSense" Technology
Wednesday, August 01, 2007
The most recent technological invention of DEUBLIN, which is named "AutoSense" and for which a patent is pending, combines the perfect features of the well-proven “Pop-off” models with those of “controlled leakage”.
The "AutoSense" Rotating Unions provide an answer to the flexibility required today in the range of machine tools or processing centers. The "AutoSense" seals close as soon as pressure is applied by a coolant. They pop off, when the pressure of the coolant drops and thereby allow unlimited dry run without wearing of the seal faces.
As in case of controlled leakage, they further form a microscopic gap between the seal faces in order to lead compressed air. "AutoSense" Rotating Unions can therefore lead coolants, MQL and compressed air by sensing the type of medium and automatically adjusting the correct position of the seal.
The series 1114 Rotating Unions are available either in rotor or bore supported design, which – in addition to the “AutoSense” technology for automatic change of the position of the seal faces depending on the medium - feature further characteristics increasing the lifetime. These include, among others, an optimized flow that prevents depositing of chips and dirt, a protection of the bearings by labyrinth und leakage bore holes as well as highly resistant seal pairs which are mechanically balanced and made of silicon carbide for longevity under demanding conditions.
Depending on the series and design, these Rotating Unions may reach speeds up to 60,000 min-1, flows of up to 82 l/min and maximum pressure of 140 bar regarding water-based cooling lubricant, 10 bar regarding MQL and/or air. The specific ratio of medium, medium pressure, speed and flow cannot be indicated here. Please refer to the respective documentation.
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