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Rotary Motion/Hollow Rotary Platforms/

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Rotary Table Indexers are compact transmission units that integrate a speed reduction mechanism with a hollow output shaft for torque transfer and internal routing.The hollow structure allows cables, air lines, or shafts to pass through the center without external interference.

Mechanical design outline of TallMan Robotics Rotary Table Indexers

A rotary table system positions workpieces or tools around a fixed rotational axis using a precision worm gear, direct-drive torque motor, or roller gear cam mechanism. It integrates an angular encoder (optical/magnetic) for closed-loop feedback, achieves arc-second accuracy, and supports indexing or continuous CNC motion under servo control.

Rotary Table Indexers

Rotary Table Indexers

Rotary Table Indexers

Rotary Table Indexers

35

36

37

38

Rotary Indexing Tables

FAQs about Hollow Rotary Actuators

Can a rotary table mount horizontally and vertically?
Yes. Most units include mounting flanges for horizontal, vertical, or inverted operation. Seal the housing for vertical use.

What holds the workpiece on a rotary table?
Use T-slots, a manual chuck, a hydraulic chuck, or magnetic plates. Bolt custom fixtures directly to the table surface.

What is the difference between indexer and continuous rotary table?
An indexer moves step-to-step and stops. A continuous table rotates smoothly under full CNC control for contouring.

How do you connect a rotary table to a CNC controller?
Connect the servo drive via EtherCAT, Profinet, or analog ±10V interfaces. Assign an axis number in the PLC.

Do you need an absolute encoder on a rotary table?
No for indexing. Yes for multi-turn applications or if you lose power during machining.

You are welcome to watch more projects or visit our website to check other series or load down e-catalogues for further technical data. 

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