W series SPIROPLAN® right-angle gear units

Your materials handling application requires top speed but allows little room and weight for the drive? In this case, we recommend SPIROPLAN® right-angle gear units: our lightweights.

Our smallest right-angle gear units: powerful with wear-free gearing

W series SPIROPLAN® right-angle gear units
The figure shows a gearmotor with a SPIROPLAN® right-angle gear unit
The figure shows a gearmotor with a SPIROPLAN® right-angle gear unit

What is special about SPIROPLAN® right-angle gear units is their wear-free gearing. It ensures that the power is transmitted reliably and adjusts the speed in your materials handling system.

With this gearing, our SPIROPLAN® right-angle gear units deliver output torques up to 180 Nm in the power range from 0.09 kW to 3 kW.

The steel-steel material combination and the special tooth meshing enable a short gear unit design for space-saving installation of the drives.

It's the details that make the difference

Thanks to their aluminum housing, these right-angle gear units are real lightweights. Their special gearing and lubrication for life ensure that they require very little maintenance. These gear units are designed for long and reliable operation. No compromises: The SPIROPLAN® right-angle gear units are suitable for almost any drive task due to their many design variants.

Only half the solution without a motor? Then use our modular concept and combine the gear units of the W series with an AC motor to a W..DR.. SPIROPLAN® right-angle gearmotor, or with a servomotor to a W..CMP SPIROPLAN® servo right-angle gearmotor of your choice. Or simply choose the separate AC motor or servomotor that meets your requirements.

More power in a small space

The combination of new lubricants and new calculation methods that have been tested and certified in comprehensive and highly intensive procedures means we can offer you higher permitted torques for our small right-angle gear units in the SPIROPLAN ® series. Our W..10, W..20 and W..30 sizes benefit from the higher torques, particularly in the small gear ratio range. The increases in torque extend from +4% to +115% (see also technical data in the tables below).

Besides lubricating the gearing, gear oils also play a significant role in heat dissipation in gear units. Our new lubricants in the SEW GearOil series boost gear unit performance by reducing friction in the gearing and enhancing heat dissipation. Our SEW GearOil forms a highly effective lubrication film on the gear wheels, which increases the service life of both the lubricant itself and wear parts such as sealing rings and bearings.

The increased torques mean that, in the best-case scenarios, you can opt for a smaller size, as you can now accommodate higher torques in a smaller space or, if you cannot vary the gear unit size, you have greater safety/reserves in your drive.

It goes without saying that the increases in torque do not change any other factors. Our SPIROPLAN ® right-angle gearmotors become even more efficient, while continuing to offer the low-noise operation you're familiar with. Combined with our new, small DRN.. motors (DRN63, DRN71 and DRN80), they enable you to achieve energy efficiency class IE3 easily and cost-effectively in this configuration, too. Our right-angle gearmotors are true mini all-rounders.

Configure your individual product

  • Detailed information about your individual product
  • CAD data and documentation for your configuration
  • Option to directly request a quotation or place an order
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Your benefits

  • Efficient operation

    thanks to wear-free SPIROPLAN® gearing and minimized friction losses.
  • Light and compact

    due to the aluminum housing and the specially designed gearing.

Features

Technical data

W series / sizes 10, 20, 30, 37, 47

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    Sizes 10, 20, 30, 37, 47 Size W..10 Size W..20 Size W..30 Size W..37 Size W..47
Gear unit ratio i 3.20 – 75.00 6.75 – 75.00 6.57 – 75.00 6.57 – 75.00 3.20 – 69.05 3.27 – 74.98
Max. output torque Nm 25 – 180 30 45 69 110 180
Motor power range (mounting via AM motor adapter) kW 0.09 – 3.0 0.09 – 0.12 0.12 – 0.37 0.12 – 0.75 0.12 – 1.5 0.12 – 3.0
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Gear ratio
i
M amax NEW
Nm
Increase
%
6.57 19 +58
8.20 23 +92
10.25 28 +115
14.33 24 +9
16.50 27 +35
19.50 30 +20
27.50 27 +13
35.50 28 +12
39.00 26 +4
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