Head for the linear dimension checking of mechanical pieces

Details Head for the linear dimension checking of mechanical pieces Head for the linear dimension checking of mechanical pieces

G - Physics

01

B

G01B 5/012 (2006.01) G01B 3/00 (2006.01) G01B 3/22 (2006.01) G01B 7/012 (2006.01) G01B 13/02 (2006.01)

Patent

CA 2271098

A gauging or measuring head for the linear dimension checking of mechanical pieces, including a casing (1), an arm (49) carrying a feeler (67) for contacting a piece to be checked, a fulcrum (74), coupled to the casing (1) and the arm (49), for enabling displacements of the arm (49) with respect to the casing (1), a return spring (95) for keeping the feeler (67) in contact with the piece during the checking, a device (98, 100) for retracting the arm (49) and a position transducer providing signals depending on the position of the arm (49) with respect to the casing (1). The fulcrum is made of a deformable element (74) including two coupling blocks (81, 83) and three laminae (75, 77, 79) permanently secured to the blocks (81, 83), and substantially arranged in two different planes of a sheaf of planes.

L'invention concerne une tête de mesure ou de jaugeage permettant de vérifier la dimension linéaire de pièces mécaniques. Ladite tête comprend un logement (1), un bras (49) muni d'un palpeur (67) entrant en contact avec une pièce à vérifier, une articulation (74), couplée au logement (1) et au bras (49), et permettant au bras (49) de se déplacer par rapport au logement (1), un ressort de rappel (95) destiné à maintenir le palpeur (67) au contact de la pièce au cours de la vérification, un dispositif (98, 100) de rétractation du bras (49) et un transducteur de position émettant des signaux en fonction de la position du bras (49) par rapport au logement (1). L'articulation est constituée d'un élément déformable (74) comprenant deux blocs de raccord (81, 83) et trois lamelles (75, 77, 79) fixées à demeure aux blocs (81, 83) et sensiblement disposées selon deux plans différents d'un ensemble de plans.

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