A calibration artifact as recited in 1, wherein the elongated body comprises first and second elongated frame pieces connected to one another with the support pieces, the support pieces being perpendicular to the elongated frame pieces.ġ0. A calibration artifact as recited in claim 6, wherein a cross section of the protrusion taken along the direction of elongation of the elongated body has a substantially trapezoidal shape.ĩ. A calibration artifact as recited in claim 6, wherein a cross section of the protrusion taken along the direction of elongation of the elongated body has a rectangular shape.Ĩ. A calibration artifact as recited in claim 1, wherein each first measurement element comprises a protrusion which extends from an associated one of the support pieces in a direction which is parallel to the direction of elongation of the elongated body, and each first planar measurement surface comprises an end face of one of the protrusions.ħ. A calibration artifact as recited in claim 4, wherein each planar measurement surface includes a contact zone, and the neutral bending axis intersects each of the contact zones.Ħ. A calibration artifact as recited in claim 3, wherein the artifact has a neutral bending axis, and the longitudinal axis that intersects each of the first planar measurement surfaces and each of the second planar measurement surfaces at substantially the same relative location on each surface is the neutral bending axis.ĥ. A calibration artifact as in claim 2, further comprising a longitudinal axis which intersects each of the first planar measurement surfaces and each of the second planar measurement surfaces at substantially the same relative location on each measurement surface.Ĥ.
A calibration artifact as in claim 1, further comprising a plurality of second measurement elements, each second measurement element comprising a second planar measurement surface facing in a second direction opposite from the first direction, each second measurement element being supported on a second face of an associated one of the support pieces, each second face being transverse to the direction of elongation of the elongated body, and each second measurement surface being perpendicular to the direction of elongation.ģ. A calibration artifact comprising: an elongated body having a direction of elongation a plurality of support pieces configured to support measurement elements, each support piece having a first face disposed substantially parallel to at least one of the others of the first faces, and each first face being transverse to the direction of elongation of the elongated body and a plurality of first measurement elements, each first measurement element comprising a first planar measurement surface facing in a first direction, and each first measurement element being supported on a first face of an associated one of the support pieces, wherein each first measurement surface is perpendicular to the direction of elongation of the body.Ģ. Gauge for machines for folding sheet metalġ.
#Measurement artifact meaning verification#
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