Reishauer Gear Grinding Technology on Display at Gear Expo

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Reishauer Corporation will exhibit a high performance hard gear grinding machine at Gear Expo booth 670. The RZ150 High-Performance Gear Grinding Machine utilizes the continuous generating method which incorporates many new technology features such as two direct drive work spindles, acoustic sensing for alignment of dressing diamonds, automatic fine balancing of the wheel on the grinding spindle, and LNS low noise shifting for surface texture enhancements as they’re related to gear noise, some of which are patented features.
The RZ150 represents the second completely new gear grinder introduced to the U.S. market by Reishauer in the past few years. The general layout of the machine working area was designed to facilitate fast changeovers. Convenient location for the setup of the dressing unit, ergonomic ease of wheel change, and almost unlimited restriction of the gear location on the shaft or arbor make the RZ150 very operator friendly. The multi-spindle column that carries the work spindles and dressing spindle rotates 180° to facilitate automatic loading of workpieces, as well as housing the diamond roll to perform the wheel dressing activities when called upon.

LNS (low noise shifting), one of the new features of the RZ150, directs the movement of the machine during grinding to produce a random surface texture in the micro-range, which prevents discrete excitations of the ground gear when running with its mate. The purpose of LNS is to reduce gear noise and eliminate the need for subsequent honing for those noise sensitive applications.

Virtually unlimited profile variations are possible using high precision diamond rolls (Reishauer Diamond and CBN Tools Division) to dress the wheel. Through the use of acoustic sensors, the dressing roll is synchronized to the thread on the pre-formed wheel. This not only shortens the alignment process, it also greatly reduces the possibility of damage to the composite diamond roll due to operator error.

The RZ150 can be easily adapted to suit a variety of customer specified automatic loading systems, giving it added flexibility in today’s workplace. The design is well thought out and occupies a very small area of only 54 ft (excluding filter), making it one of the most compact machines of its type on the market.

High-performance diamond dressing tools manufactured by the Reishauer Tool Division complete the turnkey process, making the RZ150 a natural choice. Many gear manufacturers have already verified that the R150 has become the industry standard for high volume production of ground gears.

For additional information contact Reishauer at (847) 888-3828 or usa@reishauer.com. Go online to [www.reishauer.com].