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Development of an electromagnetic spring for use with a high accuracy surface texture measuring probe.

Bayliss, D J; Leach, R K; Hall, M J (2006) Development of an electromagnetic spring for use with a high accuracy surface texture measuring probe. NPL Report. DEPC-EM 006

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Abstract

This report describes the development of an electromagnetic spring that is used with a high accuracy surface texture measuring probe on the NPL Areal Instrument. The spring needed to be capable of floating the mass of the probe (around 6 g) and applying a probing force onto the surface being measured (0.1 mN). The report describes initial experiments with a single coil and magnet arrangement and then describes the use of a two coil arrangement that ensures that the force on the surface stays constant as the probe is moved over its full displacement range (0.1 mm).

Item Type: Report/Guide (NPL Report)
NPL Report No.: DEPC-EM 006
Keywords: measuring probe
Subjects: Engineering Measurements
Engineering Measurements > Dimensional
Last Modified: 02 Feb 2018 13:15
URI: http://eprintspublications.npl.co.uk/id/eprint/3423

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