Abstract: Provided is a block device that mounts a lens shape processing lens holder to a convex surface of a spectacle lens with two alignment reference marks for identifying a distance portion design reference point on a concave surface. The block device includes an imaging unit that images the alignment reference marks of the spectacle lens supported by a support unit from a convex surface side of the spectacle lens, an information processing unit that obtains expected imaged positions of the alignment reference marks imaged by the imaging unit, using information regarding the spectacle lens, when a posture of the spectacle lens supported by the support unit becomes a reference posture suitable for mounting the lens holder, and a display control unit that displays images of index marks indicating the expected imaged positions obtained in the information processing unit and images of the alignment reference marks.

Abstract: Provided is a block device that mounts a lens shape processing lens holder to a convex surface of a spectacle lens with two alignment reference marks for identifying a distance portion design reference point on a concave surface. The block device includes an imaging unit that images the alignment reference marks of the spectacle lens supported by a support unit from a convex surface side of the spectacle lens, an information processing unit that obtains expected imaged positions of the alignment reference marks imaged by the imaging unit, using information regarding the spectacle lens, when a posture of the spectacle lens supported by the support unit becomes a reference posture suitable for mounting the lens holder, and a display control unit that displays images of index marks indicating the expected imaged positions obtained in the information processing unit and images of the alignment reference marks.

Abstract: A lens edging system, including: a spectacle frame measurement device and an order-side terminal device disposed at a spectacle lens order side; and an order-receiving side controller disposed at a spectacle lens order-receiving side, wherein the order-side terminal device and the order-receiving side controller are connected to each other via a communication line, the system further including: an information memory part for storing and holding information regarding a shape of a probe in the spectacle frame measurement device as probe information; and an edging shape calculation part for performing data correction reflecting an abutting mode of the probe indicated by the probe information when lens edging shape data is created at the spectacle lens order-receiving side, wherein a suitable size correction can be performed even when a frame shape of any kind of a spectacle frame is measured by the spectacle frame measurement device by performing the data correction.

Abstract: Provided is a block device that mounts a lens shape processing lens holder to a convex surface of a spectacle lens with two alignment reference marks for identifying a distance portion design reference point on a concave surface. The block device includes an imaging unit that images the alignment reference marks of the spectacle lens supported by a support unit from a convex surface side of the spectacle lens, an information processing unit that obtains expected imaged positions of the alignment reference marks imaged by the imaging unit, using information regarding the spectacle lens, when a posture of the spectacle lens supported by the support unit becomes a reference posture suitable for mounting the lens holder, and a display control unit that displays images of index marks indicating the expected imaged positions obtained in the information processing unit and images of the alignment reference marks.

Abstract: A lens shape measurement device, includes: a rotation unit that rotates a lens supported by a stage; a laser displacement meter; a first moving unit that moves the laser displacement meter in a X-direction; a second moving unit that moves the lens in a Y-direction; and a drive controller that controls a drive of the rotation unit, the first moving unit, and the second moving unit in a mirror reflection state in which an incidence angle of the laser beams incident on a measurement target from the laser displacement meter, and a reflection angle of the laser beams reflected by the measurement target are equal to each other with a normal line of the lens passing through the measurement target set as a reference, for each of a plurality of measurement targets set on an edge of the lens in a rotating direction of the lens.

Abstract: A lens inspection device used for layout inspection of an edged lens edged in accordance with a shape of a spectacle frame, and having a layout inspection mark affixed to a lens surface, the lens inspection device includes a support unit that supports the edged lens, an imaging unit that takes in an imaged image including a visible outline of the edged lens and the layout inspection lark by imaging the edged lens supported by the support unit, a monitor that displays the imaged image taken in in the imaging unit, and a display control unit that displays, on the monitor, a lens outline reference line indicating a position to which the visible outline of the edged lens included in the imaged image is positioned, and a layout reference mark indicating a position where the layout inspection mark is arranged, together with the imaged image.

Abstract: Provided is a block device that mounts a lens shape processing lens holder to a convex surface of a spectacle lens with two alignment reference marks for identifying a distance portion design reference point on a concave surface. The block device includes an imaging unit that images the alignment reference marks of the spectacle lens supported by a support unit from a convex surface side of the spectacle lens, an information processing unit that obtains expected imaged positions of the alignment reference marks imaged by the imaging unit, using information regarding the spectacle lens, when a posture of the spectacle lens supported by the support unit becomes a reference posture suitable for mounting the lens holder, and a display control unit that displays images of index marks indicating the expected imaged positions obtained in the information processing unit and images of the alignment reference marks.

Abstract: A shape division method is provided for dividing spectacle lens three-dimensional shape data into data regarding shape element portions used for edging the spectacle lens, including: acquiring data regarding a projection shape of a circumferential edge of the spectacle lens as projection shape data based on the three-dimensional shape data; obtaining a prescribed circumscribed graphic shape circumscribing a projection shape specified by the projection shape data at each prescribed angle while changing a relative angle of the projection shape and the circumscribed graphic shape, and extracting data regarding a shape of an inside area common to each of all obtained circumscribed graphic shapes, as outermost edging shape data; and obtaining a differential area between a shape specified by the outermost edging shape data and the projection shape specified by the projection shape data, and extracting data regarding a shape portion of the obtained differential area as penetrated edging shape data.

Abstract: A lens edging method of performing edging to a spectacle-lens, using an edger equipped with a plurality of types of edging tools, including: a step of dividing an edging portion to be edged during edging of the spectacle-lens, into a plurality of shape element portions, based on three-dimensional shape data of the spectacle-lens; a step of allocating an edging tool used for edging each of the plurality of shape element portions, from the plurality of types of edging tools, in accordance with a previously set tool selection reference; an step of determining a using order of each edging tool allocated to each of the plurality of shape element portions, in accordance with a previously set using priority order; and a step of making the edger perform edging using each edging tool allocated in the tool allocation step, in accordance with the using order determined in the edging order determination step.

Abstract: A lens edging system, including: a spectacle frame measurement device and an order-side terminal device disposed at a spectacle lens order side; and an order-receiving side controller disposed at a spectacle lens order-receiving side, wherein the order-side terminal device and the order-receiving side controller are connected to each other via a communication line, the system further including: an information memory part for storing and holding information regarding a shape of a probe in the spectacle frame measurement device as probe information; and an edging shape calculation part for performing data correction reflecting an abutting mode of the probe indicated by the probe information when lens edging shape data is created at the spectacle lens order-receiving side, wherein a suitable size correction can be performed even when a frame shape of any kind of a spectacle frame is measured by the spectacle frame measurement device by performing the data correction.

Abstract: In a lens edging system using a lens edger 22 and an edging control terminal 23, the lens edger 22 includes a calculation switching section 22 configured to switch a setting of a calculating section so as to select either one of a first calculating section 22d and a second calculating section 23b for calculating edging shape data, and a data acquisition section 22f configured to acquire the edging shape data calculated by the second calculating section 23b from the edging control terminal 23, wherein when the calculation switching section 22g switches the setting of a calculating section so as to select the second calculating section 23b for calculating the edging shape data, the edging shape data calculated by the second calculating section 23b is acquired by a data acquisition section 22f, and a lens edging section 22a performs edging using the acquired edging shape data.

Abstract: A lens edging system includes: edgers to edge a spectacle lens; and an edging size management device used in connection with the edgers. The edging size management device has a memory unit configured to store and hold information for each model of the edger. When a lens material is edged using an edging tool of the edger, in association with a type of the lens material to be edged by the edger, and a type of the edging tool used by the edger, information is stored and held in the memory unit regarding edging characteristics of the edger obtained by at least one of the edgers, and an edger of the same model as at least one of the edgers has a correction unit configured to correct an edging parameter based on the information when edging is performed to the lens material using the edging tool of the edger.

Abstract: In a lens edging system using a lens edger and an edging control terminal, the lens edger includes a calculation switching section configured to switch a setting of a calculating section so as to select either one of a first calculating section and a second calculating section for calculating edging shape data, and a data acquisition section configured to acquire the edging shape data calculated by the second calculating section from the edging control terminal, wherein when the calculation switching section switches the setting of a calculating section so as to select the second calculating section for calculating the edging shape data, the edging shape data calculated by the second calculating section is acquired by a data acquisition section, and a lens edging section performs edging using the acquired edging shape data.

Abstract: A lens shape measurement device, includes: a rotation unit that rotates a lens supported by a stage; a laser displacement meter; a first moving unit that moves the laser displacement meter in a X-direction; a second moving unit that moves the lens in a Y-direction; and a drive controller that controls a drive of the rotation unit, the first moving unit, and the second moving unit in a mirror reflection state in which an incidence angle of the laser beams incident on a measurement target from the laser displacement meter, and a reflection angle of the laser beams reflected by the measurement target are equal to each other with a normal line of the lens passing through the measurement target set as a reference, for each of a plurality of measurement targets set on an edge of the lens in a rotating direction of the lens.

Abstract: An ordering terminal (10) installed on an order side of a spectacle lens has a correction function concerning a measurement error measured by a spectacle frame shape measurement device (13), and transmits information necessary for machining the spectacle lens including the spectacle frame shape information to a spectacle lens manufacture control device (20) in a factory. When correcting the measurement error, the circumference of a reference frame (30) for which a reference circumference as a reference is determined in advance is measured by the spectacle frame shape measurement device (13). A measurement circumference obtained on the basis of a measurement value of the circumference is compared with the reference circumference, and a correction value which corrects the spectacle frame shape information such that the measurement circumference approaches the reference circumference is employed as the correction value of the spectacle frame shape measurement device (13).

Abstract: A lens holder (16) is attached to a processing target lens (2) such that a holder center (O) coincides with a processing center position (21) of the lens. An axial deviation measuring mark (81a, 81b) is displayed on the processing target lens (2) to coincide with a reference position mark (80a, 80b) of the lens holder (16), and the circumferential surface of the processing target lens (2) undergoes primary processing. After primary processing, the axial deviation of the processing target lens (2) is measured from the reference position mark (80a, 80b) and axial deviation measuring mark (81a, 81b). When axial deviation exists, the lens holder (16) is removed from the processing target lens (2) and the processing target lens (2) is held again, so that the axial deviation is corrected. After that, the processing target lens (2) undergoes secondary processing.

Abstract: A lens holder (16) is attached to a processing target lens (2) such that a holder center (O) coincides with a processing center position (21) of the lens. An axial deviation measuring mark (81a, 81b) is displayed on the processing target lens (2) to coincide with a reference position mark (80a, 80b) of the lens holder (16), and the circumferential surface of the processing target lens (2) undergoes primary processing. After primary processing, the axial deviation of the processing target lens (2) is measured from the reference position mark (80a, 80b) and axial deviation measuring mark (81a, 81b). When axial deviation exists, the lens holder (16) is removed from the processing target lens (2) and the processing target lens (2) is held again, so that the axial deviation is corrected. After that, the processing target lens (2) undergoes secondary processing.

Abstract: An ordering terminal (10) installed on an order side of a spectacle lens has a correction function concerning a measurement error measured by a spectacle frame shape measurement device (13), and transmits information necessary for machining the spectacle lens including the spectacle frame shape information to a spectacle lens manufacture control device (20) in a factory. When correcting the measurement error, the circumference of a reference frame (30) for which a reference circumference as a reference is determined in advance is measured by the spectacle frame shape measurement device (13). A measurement circumference obtained on the basis of a measurement value of the circumference is compared with the reference circumference, and a correction value which corrects the spectacle frame shape information such that the measurement circumference approaches the reference circumference is employed as the correction value of the spectacle frame shape measurement device (13).

Abstract: When a forming a bevel on a lens, the value of the bevel curve is calculated based on the value of the curve of the concave face, a reference axis of the bevel curve is determined to be in the same direction as the curvature of the concave face, a reference position on the peripheral edge of the lens in the first portion having the minimum thickness is determined based on the thickness of the first portion, a correction for the initial reference axis of the bevel curve is obtained, an angle of inclination from the direction of the initial reference axis of the bevel curve is obtained based on the correction and the locus of the bevel is determined based on the value of the bevel curve, the reference position and the angle of inclination.

Abstract: When a forming a bevel on a lens, the value of the bevel curve is calculated based on the value of the curve of the concave face, a reference axis of the bevel curve is determined to be in the same direction as the curvature of the concave face, a reference position on the peripheral edge of the lens in the first portion having the minimum thickness is determined based on the thickness of the first portion, a correction for the initial reference axis of the bevel curve is obtained, an angle of inclination from the direction of the initial reference axis of the bevel curve is obtained based on the correction and the locus of the bevel is determined based on the value of the bevel curve, the reference position and the angle of inclination.