Spiroplan gearbox
SEW presents new series
Spiroplan gear units from SEW have a wide range of applications and can be used in almost all applications in the low to medium torque range.
The new W..29 and W..39 gearboxes enable a wide range of ratios thanks to their 2- or 3-stage design, while offering a high degree of efficiency across the entire ratio range. With their torque range of up to 130 and up to 200 Nm, they can be used in many applications.
Spiroplan gear units and gearmotors have been an integral part of SEW-Eurodrive's gear unit portfolio for many years. The special Spiroplan gearing enables an economical gear unit design and is also a reliable and wear-free angular gear unit stage.
In the W..9 gearboxes, the Spiroplan gearing is located in the first stage with a relatively small transmission ratio. The second and, depending on the overall ratio, third gear stages are realized with spur gears. As a result, the overall efficiency of the gearbox is at a very high level, even with large overall ratios. In the three-stage version, overall ratios of i=188.47 (W..29) or i=210.49 (W..39) can be achieved.
This extends the existing advantages of the gearboxes by a high degree of efficiency and an even larger ratio range, thus creating additional application possibilities.
For connection to the customer application, the new W..9 gear units can be designed as a solid shaft with flange, as a slip-on version, with hollow shaft and feather key, hollow shaft and shrink disk as well as with the TorqLoc clamp connection. Motor mounting via the flange interface enables combination with the extensive modular motor system from SEW-Eurodrive.
The advantages for customers lie in the lightweight aluminum housing, which enables lightweight machine designs or saves weight in mobile applications. The high efficiency across the entire ratio range enables a very energy-efficient gearbox with quiet operation at any speed. The service concept has been improved so that only standard oils are used. The universal SEW interface enables the gear units to be combined with all SEW motors and options, as well as the attachment of adapters for IEC or servomotors and covers with driving shafts. The familiar connection also allows customers to carry out service and maintenance themselves. Otherwise, SEW-Eurodrive's worldwide service is available.
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