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How do I read the load capacity specification for the ball bearing stages?

The ball bearing stages have three different load capacity specifications. They are listed Normal/Ta/Tb in our catalog. They are the normal load, the thrust (force) against the micrometer (Ta), and the thrust (force) away from the spring (Tb) The "Normal Load" is the maximum downward force that can be applied perpendicular to the mounting surface at the center of the mounting stage. In other words, Ta is the load that is pressing against the spring and the micrometer. Tb is the load pulling away from the spring. The normal load is a horizontal load, which means the mounting surface of the stage is in a horizontal position.

Reading Load Capacity Specification for Ball Bearing Stages

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