What is Turned Part Measurement?

Turned part measurement is an application of metrology that involves taking data from turned parts such as valves, camshafts, and other parts designed to be used in a rotational axis. Measurements such as diameters, lengths, and contour features are taken for turned parts, as are specific features like keyways and slots depending on the part being inspected.

Traditionally, turned parts would need to be measured using various gauges and machines to take their respective readings, such as a contracer for contours, a height gauge, and so on. The most sophisticated and reliable machines for measuring turned parts – whilst being able to utilise touch probes – can now take most if not all the relevant data points using optical measurements, and all on one platform.

Machines such as those of the VICIVISION Techno Series scan parts to obtain reliable profiles, even for turned parts with complex geometry like crankshafts. Many VICIVISION machines also employ telecentric lenses, which hold a constant, non-angular field of view to eliminate distortions in the images they capture. With regular lenses, an object in view will appear to shrink or grow depending on its proximity to the lens. A telecentric lens minimises this issue, allowing a clear, focused, and unbiased image of an object to be measured.

Turned part measurement is typically employed by manufacturers who need to ascertain the health and condition of cylindrical parts to ensure compliance and that production will be within tolerances, but it has also found uses in other areas. Some manufacturers, for instance, will use a VICIVISION machine to scan objects such as bottles to ensure that they have been made within specification.

There are several ways to incorporate turned part measurement in production and manufacture. Why not speak to our experts at VICIVISION UK today, and find out how it can help your business?

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