A three-dimensional measurement device includes: an irradiator that emits a predetermined light; an optical system that splits the predetermined light into two lights, irradiates a measurement object with a measurement light and irradiates a reference plane with a reference light, and emits a combined light; an imaging device that takes an image of the combined light and obtains an interference fringe image; an objective lens for the measurement light that directs the measurement light toward the measurement object; an objective lens for the reference light that directs the reference light toward the reference plane; an imaging lens that forms an image of the combined light on the imaging device; and a control device that executes three-dimensional measurement of a measurement area on the measurement object based on the interference fringe image.

A three-dimensional measurement device includes: an irradiator that emits a predetermined light; an optical system that splits the predetermined light into two lights, irradiates a measurement object with a measurement light and irradiates a reference plane with a reference light, and emits a combined light; an imaging device that takes an image of the combined light and obtains an interference fringe image; an objective lens for the measurement light that directs the measurement light toward the measurement object; an objective lens for the reference light that directs the reference light toward the reference plane; an imaging lens that forms an image of the combined light on the imaging device; and a control device that executes three-dimensional measurement of a measurement area on the measurement object based on the interference fringe image.

An optical inspection apparatus includes an interferometer module, which is configured to direct a beam of coherent light toward an area under inspection and to produce a first image of interference fringes of the area. The apparatus also includes a triangulation module configured to project a pattern of structured light onto the area, and at least one image sensor configured to capture the first image of interference fringes and a second image of the pattern that is reflected from the area. Beam combiner optics are configured to direct the beam of coherent light and the projected pattern to impinge on the same location on the area. A processor is configured to process the first and second images in order to generate a 3D map of the area.

An optical inspection apparatus includes an interferometer module, which is configured to direct a beam of coherent light toward an area under inspection and to produce a first image of interference fringes of the area. The apparatus also includes a triangulation module configured to project a pattern of structured light onto the area, and at least one image sensor configured to capture the first image of interference fringes and a second image of the pattern that is reflected from the area. Beam combiner optics are configured to direct the beam of coherent light and the projected pattern to impinge on the same location on the area. A processor is configured to process the first and second images in order to generate a 3D map of the area.

A manufacturing system for producing airplane structural components, including a drilling unit for producing bores in a material assembly made of at least two material plies for the purposes of inserting fastening elements and having a measuring unit for ascertaining geometry parameters for a previously produced bore. The measuring unit includes measuring electronics with an optical sensor element, a measuring optical unit and a measuring lance. The measuring unit produces an optical measurement beam that emerges from the measuring lance via the measuring optical unit and that is incident on a measurement point on the respective bore inner surface. A measurement movement between measuring lance and material assembly is provided in a measurement cycle and the measuring unit cyclically ascertains distance values to various measurement points at a scanning rate during the measurement movement and ascertains at least one geometry parameter for the respective bore from the distance values.

A manufacturing system for producing airplane structural components, including a drilling unit for producing bores in a material assembly made of at least two material plies for the purposes of inserting fastening elements and having a measuring unit for ascertaining geometry parameters for a previously produced bore. The measuring unit includes measuring electronics with an optical sensor element, a measuring optical unit and a measuring lance. The measuring unit produces an optical measurement beam that emerges from the measuring lance via the measuring optical unit and that is incident on a measurement point on the respective bore inner surface. A measurement movement between measuring lance and material assembly is provided in a measurement cycle and the measuring unit cyclically ascertains distance values to various measurement points at a scanning rate during the measurement movement and ascertains at least one geometry parameter for the respective bore from the distance values.

An optical inspection apparatus includes an interferometer module, which is configured to direct a beam of coherent light toward an area under inspection and to produce a first image of interference fringes of the area. The apparatus also includes a triangulation module configured to project a pattern of structured light onto the area, and at least one image sensor configured to capture the first image of interference fringes and a second image of the pattern that is reflected from the area. Beam combiner optics are configured to direct the beam of coherent light and the projected pattern to impinge on the same location on the area. A processor is configured to process the first and second images in order to generate a 3D map of the area.

The invention relates to a manufacturing system for producing airplane structural components, comprising a drilling unit (2) for producing bores (3) in a material assembly (4) made of at least two material plies (4a, 4b) for the purposes of inserting fastening elements, in particular rivet elements, and comprising a measuring unit (5) for ascertaining geometry parameters for a previously produced bore (3). It is proposed that the measuring unit (5) comprises measuring electronics (6) with an optical sensor element (7), a measuring optical unit (8) and a measuring lance (9), that the measuring unit (5) produces an optical measurement beam (13) for ascertaining a distance (10) between the measuring lance (9) and a measurement point (11) on the respective bore inner is surface (12), said optical measurement beam emerging from the measuring lance (9) via the measuring optical unit (8) and being incident on the measurement point (11) on the respective bore inner surface (12), that a measurement movement between measuring lance (9) and material assembly (4) is provided in a measurement cycle and the measuring unit (5) cyclically ascertains distance values to various measurement points (11) at a scanning rate during the measurement movement and ascertains at least one geometry parameter for the respective bore (3) from the distance values.