Axial movement linear gauging head

G - Physics – 01 – B

Patent

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Details

G01B 3/22 (2006.01) F16C 29/06 (2006.01) G01B 3/20 (2006.01) G01B 7/00 (2006.01)

Patent

CA 2256406

A linear gauging head, or cartridge head, comprises a casing (1), a spindle (10) movable with respect to the casing along a longitudinal axis, a feeler (12) coupled to a first end of the spindle and a differential position transducer with windings (13, 14, 15), fixed with respect to casing (1), and a core (16) coupled to a second end of spindle (10). The spindle is guided by recirculating ball bushings (18, 19) with rolling elements (29) that cooperate with the spindle and thus allow its displacement with respect to the casing.

Cette tête de jaugeage linéaire, ou tête de cartouche, comprend une gaine (1), un axe (10) mobile par rapport à la gaine le long d'un axe longitudinal, un palpeur (12) couplé à une première extrémité de l'axe, un transducteur de position différentielle doté d'enroulements (13, 14, 15) et fixé par rapport à la gaine (1), ainsi qu'un noyau (16) couplé à une seconde extrémité de l'axe (10). L'axe est guidé par des douilles (18, 19) à billes circulantes (29), lesquelles coopèrent avec l'axe et permettent ainsi le déplacement de celui-ci par rapport à la gaine.

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