Y32pill

On the other hand I could use a linear guide rails. They have high static loads, moment load and pitch moment load capabilities. I have not used them extensively. They do seem to be the more popular choice in design of automated systems.

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Vivoy32

I am at the beginning of the design of a small platform that will move in X(1500mm) and Y(1000mm) axis. Motion will be provided by belt driven linear actuators (1 per axis). I would like to add linear rails to platforms outer edge(s) to provide rigidity and reduce roll moments on the linear actuator stages.

Given I am most concerned with the longevity, rigidity, and precision of the system, what are some Pro's and Con's of the Linear Guides vs the Linear Slide Rails?

I've used linear slide rails in the past, but not under this particular application. They are inexpensive, easy to find, and have high static load ratings, I am not sure how their static pitch moment compares w/ linear guide rails.