OptoRack

Ball screws are used to translate a rotary motion into a linear motion. These parts are used in machine tools as well as steering systems to translate the rotary motion of the electric motor that drives a pinion shaft into a linear motion. In particular steering systems, the functional behaviour and possible noise emissions depend on the surface condition of the running surfaces. Intelligent grinding and finishing processes minimize the roughness and ripple that lead to potential wear and noise emissions. OptoRack measuring devices are ideal for process control and quality assurance of steering racks, ball screws and ball screw nuts.

Equipped with a CNC controller, the OptoRack spindle measuring device measures the entire running surface during spindle rotation. A goniometer positions the sensor perpendicular to the two tracks separately. After the spindle has been positioned, the measurement starts automatically. Both roughness and ripple are recorded.

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