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Linear Stages
Frequently Asked Questions
A linear translation stage (linear stage) is a rail guide mechanism used to precisely control the movement of an object along one or more linear dimensions (axes). They typically include a ball bearing based rail guide that constricts the movement of two metal plates (the base and the platform) relative to each other along a specified axis.
Manual Linear stages typically come installed with a micrometer actuator that pushes the spring loaded platform against the baseplate that moves. This structure provides a micrometer level precision. Some manual linear stages also come with a side lock screw that allows locking the position of the stage once it is adjusted.
Manual linear translation stages are often used in photonics applications including the alignment of optical elements (mirrors, lenses, crystals, etc.) in an optical experiment, spectroscopic measurements, bio medical experiments, laser system prototyping, etc. In general, they are used in any application requiring a precise adjustment and motion control along one or more linear axes.
There are many parameters that define the performance of the translation stage. Depending on your applications you will need to make sure that the stage of your choice matches the parameters of your requirements. The key parameters to look out for are the travel range, positioning sensitivity, load capacity, guide rail mechanism, weight and the number of axes of motion.
In general, yes, but always consult the technical specifications to make sure that the manual stage can handle the vertical load capacity when turned 90 degrees. You will want to position the driving micrometer actuator from the bottom, to make sure that there is no excess load on the retracting spring.
Most linear translation stages come with predrilled mounting holes and you can use these holes to mount the stage on an optical table or a breadboard. However, for stages that have a large baseplate you might want to take the proper precautions to avoid warping due to thermal expansion. For sensitive applications, such as the optical alignment you might want to use clamps instead of relying on predrilled holes to avoid warping due to thermal expansion. Not that sub-mm level lateral expansion would be enough to create warping that would cause misalignment in your optical setup.
All products posted on FindLight are offered directly from the suppliers and manufacturers of those products. At the moment, FindLight does not carry any inventory. You can directly reach out and buy from the suppliers without any markups. Simply contact he respective supplier and they will guide you on how to buy their product.
High-Precision Profiled Rails, Crossed Roller Slides, Air Bearings can all be great choices as a guiding mechanism is linear stages. Always consult the technical specification table to make sure that the stability and sensitivity specifications match your requirements.
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