Kanagawa ken, Japan
Kanagawa ken, Japan

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A system includes an environment for programming workpiece inspection operations for a coordinate measurement machine (CMM). The environment includes a user interface comprising a program simulation portion configured to display a 3D view of the workpiece and/or representations of inspection operations to be performed on the workpiece. The user interface further includes auxiliary collision avoidance volume (CAV) creation elements that create CAVs that are represented in the 3D view. The 3D CAVs and/or their representations have integrated graphical modification properties which are controllable in the user interface. The modification properties are activated by selection of a face of the CAV representation, without the explicit activation of a separate modification control element mode or tool. This results in a simplified and intuitive user interface. Users perform a constrained set graphical modifications in the 3D view using an input device, to modify a CAV.


Patent
Mitutoyo Corporation | Date: 2016-01-28

A method is provided to assist adjustment for a movement path of a probe. A coordinate measuring machine includes a probe having a tip for detecting a surface of an object, and a movement mechanism for moving the probe, and measures a shape of the object by allowing the probe tip to scan the surface. A controller controls operation of the coordinate measuring machine by calculating a scanning path for allowing the probe tip to perform scanning movement and the movement path followed by the probe when the probe tip moves along the scanning path, setting control points on a line connecting each position of the probe tip and each corresponding position of the probe accepting a change in position of the control points by a user, and changing the movement path accordingly. A guide point allows the control points to move collectively.


Patent
Mitutoyo Corporation | Date: 2016-04-27

A telecentric optical apparatus that is capable of suppressing an increase in the number of components as well as achieving high precision optical axis alignment, is provided. The telecentric optical apparatus of the present invention is characterized in that it is provided with: a first telecentric lens surface that is provided on an object side; a second telecentric lens surface that is provided on an image side and that shares a focus position with the first telecentric lens surface; and an optical path trimming part that is provided, between the first telecentric lens surface and the second telecentric lens surface, in an outside region, which is located on a side further out than a light passing region having a center thereof located at the focus position, and that changes an optical path such that a light beam incident on the outside region is prevented from contributing to image formation.


Patent
Mitutoyo Corporation | Date: 2016-03-25

A resistor string outputs sixteen signals with a phase difference of 22.5 by dividing voltage between two adjacent phases of a four-phase input signal with a phase difference of 2/M (where M is an integer equal to or greater than 2), and by generating four signals with a delayed phase for each phase of the four-phase input signal. A switch portion selects four signals with a phase difference of 90 from the sixteen signals. Amplifiers output each of the four signals, which are attenuated by dividing the voltage with the resistor string, as a four-phase output signal by amplifying each of the four signals such that an amplitude of the four signals matches the amplitude of the four-phase input signal.


A distance in a scanning direction between a first set of edges which face each other and exhibit an opposite change between light and dark is measured by an image measuring machine, and a bias correction value is calculated based on a difference between a measured value and a true value. Using the bias correction value, detection point correction values, which are correction values in various directions of edge detection points detected by a scan of a measured object using the image measuring machine, are calculated; a correction amount used in correction of the edge detection points is specified based on the detection point correction value in each direction; and the edge detection points are corrected using the correction amount.


Patent
Mitutoyo Corporation | Date: 2016-09-07

A measuring probe(300) includes a stylus(306), an axial motion mechanism(310), and a rotary motion mechanism(334). The axial motion mechanism(310) includes a pair of first diaphragm structures(314, 315) that allows a moving member(312) to be displaced, and the rotary motion mechanism(334) includes a second diaphragm structure(340) that allows a rotating member(RP) to be displaced. The second diaphragm structure(340) is disposed between the pair of first diaphragm structures(314, 315) in an axial direction(O). The respective first diaphragm structures(314, 315) are disposed at a symmetric distance with respect to the second diaphragm structure(340). This can reduce the length in the axial direction and weight thereof and also reduce shape errors and improve measurement accuracy.


Patent
Mitutoyo Corporation | Date: 2016-03-29

A tilt angle adjuster includes a base plate attached to a Z slider; a hanging plate attached to a measuring device main body; a thin coupling plate supporting the hanging plate such that the hanging plate is suspended on a first surface side of the base plate; biasers biasing the hanging plate so as to impart a rotational force in a first direction to the hanging plate; and a micrometer head provided so as to push the hanging plate one of directly and indirectly toward a second direction opposite the direction of the rotational force imparted by the biasers.


Patent
Mitutoyo Corporation | Date: 2016-05-27

An optical probe includes a first resonant scanner having a first mirror capable of rotating centered around a drive axis, the first resonant scanner reflecting emitted light from a light source toward a measured object, and a second resonant scanner having a second mirror capable of rotating centered around the drive axis, the second resonant scanner reflecting light reflected from the measured object toward a photoreceiver. The first mirror and the second mirror are rotationally driven in synchronization.


Patent
Mitutoyo Corporation | Date: 2016-05-19

A method for nominal scanning measurement includes allowing a user to select a shape of an object to be measured from a geometric shape menu prepared in advance, allowing the user to input, according to the selected geometric shape, a parameter to specify the geometric shape, allowing the user to select a measurement path from a measurement path menu prepared in advance, allowing the user to input, according to the selected measurement path, a parameter to specify the measurement path, calculating, based on the selected geometric shape, the input parameter of the geometric shape, the selected measurement path, and the input parameter of the measurement path, measurement points on a workpiece and a normal line direction at each of measurement points using a calculation formula prepared in advance, and calculating a path for scanning measurement to move while scanning a sequence of the measurement points.


A 3D printer includes: an object-forming unit for forming an object by laminating an object material at an object-forming point based on a design data; an image capturing unit for capturing an image of the object formed by the object-forming unit; and a shape measurement unit for measuring a cross section of the object based on the image captured by the image capturing unit while the object is under formation by the object-forming unit.

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