Varvel - Servo Worm Reducers

December 18, 2014 - "New Product Release"

DieQua now offers an economical right angle gearhead for use with small NEMA 23 & 34 and similar small metric servo and stepper motors. These reducers are most appropriate for basic motion and speed profile applications where cost is a major consideration.

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The Coupling Is The Thing

1. Eliminates fretting corrosion common in quill mount.
2. Provides a near-zero backlash motor-to-reducer connection.
3. Reduces efficiency losses due to motor mounting misalignment.
4. Eliminates key/keyway wear in reversing applications.
5. One gearbox adaptable for NEMA, IEC, and servo motors.
6. One gearbox for multiple motor frame sizes.
7. Two bearing input support isolates motor bearings.
8. Elastomer element dampens vibration, reducing motor wear.
9. Motor heat transfer is minimized, increasing seal life.
10. Optional insert for ATEX explosion-proof applications.

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Why Choose a Varvel Servo Worm Gearhead?

There are many servo driven applications that don't require the highest precision gearhead. There are even more that can benefit from a right angle configuration for saving space and providing mounting versatility. Unfortunately there are few economical solutions for smaller servo motors. That is until now.

The Varvel servo worm is ideal for multiplying torque and reducing inertia in less dynamic applications requiring variable speed control and simple motion control profiles. They are also extremely quiet and many ratios are self locking for holding loads without brakes.

These gearheads are especially attractive when integrated with smaller servo motors, such as those with NEMA 23 and 34 frames as well as similar small metric frames. Even larger servo motors can take advantage of this design with a total of 7 gearbox sizes in the series, with center distances up to 110 mm.

The cost effectiveness of this unique solution enhances the viability of automating many applications that may not be possible with the higher cost gearheads provided by other sources.

Product Line Overview:

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Series FRT Specifications:
  • Size 28 and 40 with torque capacity from 8 to 62 Nm
  • 5 additional sizes with torque capacities up to 684 Nm
  • 12 exact single stage ratios from 7:1 to 100:1
  • 2 stage ratios available
  • Inch or metric output shafts
  • Hollow output standard, insert shafts optional
  • 2D and 3D drawings available online
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Program Flexibility:

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Applications for Varvel Speed Reducers:
  • Packaging
  • Case and Carton Erecting
  • Material Handling
  • Position Conveying
  • Sortation
  • Palletizing and Stacking
  • Inspection Positioning
  • Inspection Identification
  • Feed and Cut to Length
  • Part and Pallet Transfer






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