Motion Control – ServoBelt-150 Rotary Stage from Intellidrives!

Small Package with Large Through-Hole High Performance at Low Cost Low Profile Robust Design

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Philadelphia, PA, — Motion Control Components and Systems – ServoBelt Rotary Stage offers an economical solution for a variety of light and medium-duty rotary motion applications. The RTHP-B-150 features large clear aperture of 150 mm and provides arc-second resolution when driven from a micro-stepping or brushless servomotor controller. The low profile design is made possible by the use of compact precision bearing. The rotating carriage of the stage provides unlimited motorized rotation angle of the load up to 50kg and has large clear aperture to allow the passage of the optical path or cables directly through the stage. The main body of the stage is made from lightweight anodized aluminum and can attach directly to an optical table or moving linear or XY actuators and can be mounted at any orientation. RTHP-B-150 stage uses belt drive with stepper or brushless servo motor to achieve high rotating speed. Lightweight design makes it easy to incorporate this rotary stage into high dynamics XY-Theta multi-axes stages.


  • Large center aperture 150 mm
  • Low profile 39 mm
  • Brushless servo motor/encoder driven
  • Unlimited rotation
  • High speed 300 RPM
  • Home switch
  • Top/bottom motor mount option
Parameter Unit RTHPB-150
Rotation range deg Continuous 360?






Max speed

(Note 2)

RPM 100 RPM (with stepper)

200 RPM (with servo)

Repeatability (unidirectional) Arc-min 3
Run-out axial/radial micron typ. 30
special 15-20
Axial load capacity       Kg 50 (Note 1)
Stage weight Kg 5
Motor type Stepper motor (standard) NEMA23

Servo motor/encoder (optional), NEMA23

Drive mechanism Motorized belt drive
Transmission  ratio motor/stage 10:1
Home sensor Open collector, 10 mA, 5VDC
Construction anodized aluminum
Note 1 Driver or encoder resolution dependent
Note 2 Driver voltage and resolution dependent

Note 1: Ability to control load weight depends on motion profile and load moment of inertia

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About IntelLiDrives —

IntelLiDrives, Inc. manufactures linear actuators, XY tables and rotary tables for the industry, government, science and research institutions around the world. Our precision rotary actuators, XY stages and linear actuators are used in the applications in medical devices, life sciences, semiconductor and electronic assembly manufacturing, data storage, laser processing, military/aerospace, photonics, automotive and test assembly, research and development and other industries requiring high precision and throughput motion control solutions.

For further information on this new product or others in our extensive product portfolio, call 1-215-728-6804 or e-mail Intellidrives at sales@intellidrives.comor go Intellidrive – Contact Us at:


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