The development of special manufacturing processes at Bosch Automation Technology has provided the necessary precision to allow dual-flank contact on the Bosch Silence pumps. This dual-flank, no-backlash tooth contact, along with a modified tooth form reportedly results in a 75-percent reduction in pressure pulsation and a dramatic decrease in hydraulic system noise. These manufacturing processes have been developed for on going, consistent quality and corresponding long-term, low-noise performance. The Bosch Silence pump is said to have a 6 dB reduction in sound pressure when compared to standard gear pumps.
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