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Rotary Motion/Cam Index Drives/

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Parallel indexing cams are specialized mechanical systems designed for precise rotational or linear positioning (indexing) using cam mechanisms. The term “parallel” refers to either the spatial arrangement of components or the motion profile, ensuring high precision and smooth operation. 

This parallel cam uses two conjugate cam plates mounted on a common input shaft. Each plate has a helical rib that engages two rows of roller followers on the output turret. The plates share the load and eliminate backlash. Input rotation produces a precise intermittent output motion with controlled acceleration.

System Summary of TallMan Robotics Parallel Indexing Cams

This parallel indexing cam is a precision motion device that converts uniform rotary input into intermittent, indexed output using a cam profile aligned parallel to the output shaft. The cam incorporates contoured tracks that guide multiple followers mounted on an index plate or turret.

Find the table below with images and complete technical data for Parallel Indexing Cams

PU Parallel Cam Indexers    PU parallel conjugate camParallel Cam IndexersParallel Cam IndexersParallel Cam Indexers

    Basic Parameters of PU Parallel Cam Indexers 

Model

PU50DS, PU60DS, PU65DS, PU80DS, PU100DS, PU125DS, PU150DS, PU175DS, PU225DS, PU250DS, PU320DS

Station Numbers

1、,2、3、4、5、6、8

Installation Surface

Refer to drawing

Speed of Input Shaft (RPM)

5~300(Up to actual loading)Pls inform in advance if high speed using

FAQs about Parallel Indexing Cams

What does conjugate mean in parallel indexing cams?

Two cam plates work together. One plate drives the turret forward. The other plate prevents backward motion.

How many rollers contact each cam plate?

At least two rollers contact each plate. This arrangement eliminates any gap or backlash.

What happens if one cam plate wears out?

You must replace both plates as a matched set. Worn plates cause uneven load distribution.

What makes this cam indexer different from other cams?

The cam axis runs parallel to the output shaft. This layout supports compact machine design and stable motion.

What is the Purpose of Parallel Indexing Cams?

Indexing: The process of moving a component to a specific position, commonly used in rotary tables, assembly machines, or automated systems.
Cam Role: Converts rotational motion into controlled linear or angular displacement via a follower.

What are the Key Design Configurations of Parallel Indexing Cams?

Conjugate Cams:Two cams (often on parallel shafts) work in tandem to eliminate backlash. They press against followers on opposite sides, ensuring continuous contact and precise motion control.
Example: Ferguson’s mechanism, used in watchmaking for zero-backlash indexing.
Cylindrical/Barrel Cams:A cam groove on a cylinder engages a follower moving parallel to the camshaft axis. Ideal for linear indexing or helical motion paths.
Parallel Shaft Arrangement:Input (camshaft) and output (indexed component) shafts are parallel, connected via linkages or gears for synchronized motion.

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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