Abstract: This method is for manufacturing a fan blade rotor which includes an annular rotation support ring around a rotary shaft, a permanent magnet provided alongside the rotation support ring in the radial direction, and a composite material for integrally binding the rotation support ring and the permanent magnet, the method including: a step S1 for arranging the rotation support ring and the permanent magnet side by side in the radial direction; steps S2-S4 for spirally winding, on the rotation support ring and the permanent magnet arranged side by side being as a core, the composite material being an uncured composite material including a reinforcement fiber impregnated with an uncured resin with the fiber direction of the reinforcement fiber set as a longitudinal direction; and a step for curing the resin included in the composite material.

Abstract: An estimation model generation device is a device that generates an estimation model for estimating a processing state of laser processing. First thermal radiation, first visible light, first reflected light, and first laser light are observed from a workpiece during laser processing by a first device, and the device includes an information acquiring section that acquires first waveform data including a first waveform and a second waveform for at least two of the first thermal radiation, the first visible light, the first reflected light, and the first laser light, an estimation model generating section that performs machine learning by using teacher data having the first waveform data as an explanatory variable and the processing state as a target variable in association with each other to generate a first estimation model for estimating the processing state by the first device, and a storage that stores the first estimation model.

Abstract: A determination method for determining a processing state includes detecting, using an optical sensor, at least one of heat radiation light, visible light, and reflected light generated at a welded portion formed at a surface of a workpiece by emission of a laser beam on the workpiece, obtaining a signal indicating a change in at least one of heat radiation light, visible light, and reflected light in a time section corresponding to a welding time of each workpiece, calculating a feature quantity including a gradient of a straight line approximating a signal waveform of the signal in a predetermined section in the time section, determining, as the processing state, a shift including farness and closeness of a focal position of the laser beam in an emission direction of the laser beam by inputting the calculated feature quantity to a determination model that determines the processing state.

Abstract: A determination method for determining a processing state includes detecting, using an optical sensor, at least one of heat radiation light, visible light, and reflected light generated at a welded portion formed at a surface of a workpiece by emission of a laser beam on the workpiece, obtaining, from the optical sensor, a signal indicating a change in one of heat radiation, visible light, and reflected light in a time section corresponding to a welding time of each workpiece, determining, as the processing state, the position and number of molten shape abnormality in a welded region having a molten length and a molten width by inputting a feature quantity to a determination model that determines the processing state, the feature quantity including signal intensity of the signal, the molten shape abnormality occurring when a foreign substance exists at an overlapping surface of the workpiece, and outputting a determination result.

Abstract: A steering shaft is rotatably provided inside an outer column and an inner column. A key lock collar is mounted on an outer peripheral surface of the steering shaft, the outer peripheral surface facing the outer column. The key lock collar includes a key lock collar body and a cylindrical portion. Multiple concave parts and convex parts extending in the axial direction are provided on an outer peripheral part of the key lock collar body along the circumferential direction. A lock key is engaged with the concave parts from adjacent to the outer column, and thus the rotation of the steering shaft with respect to the outer column is restricted. An outer diameter of the cylindrical portion is smaller than an outer diameter of the convex parts and larger than an outer diameter of the concave parts.

Abstract: A laser processing method for scanning over a first member in a first direction while irradiating the first member with a laser beam emitted from an oscillator, and joining the first member and a second member adjacent to the first member by a molten portion, the laser processing method including the steps of: in each of a first measurement region and a second measurement region different from the first measurement region, measuring an intensity of a welding light including any one of a heat radiation light radiated from at least one of the first member and the second member by irradiation with the laser beam, a plasma light, and a reflected light; and evaluating a processing state based on the intensity of the welding light measured in each of the first measurement region and the second measurement region, in which the first measurement region and the second measurement region are aligned in a second direction intersecting the first direction.

Abstract: A steering system includes an upper jacket, a lower jacket, a support, a lock mechanism, and a shock absorber. The support supports the lower jacket. The lock mechanism switches a restriction of a telescopic adjustment and a termination of the restriction. The upper jacket includes a protruding stopper configured to regulate a position of the upper jacket at one end of a telescopic stroke range. The lock mechanism includes an opening and closing portion configured to enter a path of the stopper while the restriction of the telescopic adjustment is terminated, and configured to open the path of the stopper while the telescopic adjustment is restricted.

Abstract: A laser processing system includes a laser oscillator that forms a fusion zone in a workpiece by irradiating a fusion-scheduled region of a processing target surface of the workpiece with a laser beam, a photometer that measures intensity of light from the fusion zone of the workpiece, and a jig disposed on the processing target surface of the workpiece not to overlap the fusion-scheduled region in order to press the workpiece. The jig has a reflection surface inclined in a manner that the reflection surface is further away from the fusion-scheduled region as the reflection surface is further away from the processing target surface in a normal direction of the processing target surface of the workpiece.

Abstract: An evaluation method for evaluating laser machining in which irradiation region of a laser beam is moved relative to object to perform machining of object, includes a measurement step and an evaluation step. In the measurement step, a change in an intensity of light according to a movement of measurement region is measured by moving measurement region for measuring the intensity of light, relative to object. In the evaluation step, an evaluation of the laser machining is performed based on the change in the intensity of light according to the movement of measurement region. In the measurement step, measurement region is moved relative to object so that movement path of measurement region has a plurality of intersections with movement path of irradiation region.

Abstract: A steering column device includes an inner tube, a housing, and a lock mechanism configured. The lock mechanism includes a first engagement member, a second engagement member, a first urging member, a second urging member, a cam member configured to rotate about a rotation axis extending in a direction in which the first urging member and the second urging member are arranged such that the second urging member serving as a follower is moved in the direction in which the first urging member and the second urging member are arranged to change a magnitude relationship between an urging force of the first urging member and an urging force of the second urging member, and an operation lever configured to operate the cam member.

Abstract: The present disclosure includes a laser welding method in which a joint surface between a plurality of workpiece members is welded by radiating laser beam LB, and a locus of laser beam LB is controlled so as to perform wobbling scanning Sw by a combination of scanning motion Sa moving along first direction x parallel to the joint surface and swing motion Sb including first swing component Bx along first direction x and second swing component By along second direction y perpendicular to first direction x, the method including a defect determination step of determining occurrence of a welding defect; and an output control step of increasing or decreasing an output of laser beam LB when laser beam LB is radiated again toward the welding defect in a case where the welding defect occurs.

Abstract: A laser processing device which irradiates a workpiece while scanning focused laser light and forms molten region on a surface of workpiece includes first optical sensor which has a function of detecting light generated from molten region during irradiation with the laser light, the detecting is performed for first measurement region on the surface of workpiece as a detection target, and second optical sensor which has a function of detecting light generated from molten region during irradiation with the laser light, the detecting is performed for second measurement region narrower than first measurement region on the surface of workpiece as a detection target.

Abstract: A steering system includes a rod member, a housing, and a clamping member. The housing has a clamping slit and includes a first clamp-receiving portion and a second clamp-receiving portion that project so as to sandwich the clamping slit therebetween. The clamping member includes a fixed cam, a clamping shaft, a rotary cam, and a clamping lever. The fixed cam is fitted in the first clamp-receiving portion from an outer side of the first clamp-receiving portion. The fixed cam has a third through hole extending through the fixed cam coaxially with a first axis. The third through hole has a small diameter portion at a first portion close to the rotary cam and a large diameter portion having a diameter larger than a diameter of the small diameter portion at a second portion away from the rotary cam.

Abstract: A steering column device includes an inner tube, a housing, and a lock mechanism configured. The lock mechanism includes a first engagement member, a second engagement member, a first urging member, a second urging member, a cam member configured to rotate about a rotation axis extending in a direction in which the first urging member and the second urging member are arranged such that the second urging member serving as a follower is moved in the direction in which the first urging member and the second urging member are arranged to change a magnitude relationship between an urging force of the first urging member and an urging force of the second urging member, and an operation lever configured to operate the cam member.

Abstract: A steering system includes an upper jacket, a lower jacket, a support, a lock mechanism, and a shock absorber. The support supports the lower jacket. The lock mechanism switches a restriction of a telescopic adjustment and a termination of the restriction. The upper jacket includes a protruding stopper configured to regulate a position of the upper jacket at one end of a telescopic stroke range. The lock mechanism includes an opening and closing portion configured to enter a path of the stopper while the restriction of the telescopic adjustment is terminated, and configured to open the path of the stopper while the telescopic adjustment is restricted.

Abstract: To reduce a width of a modified layer and suppress positional variation of the modified layer, a crystal orientation of a workpiece is measured, a vertical direction with respect to an A-plane of the measured crystal orientation of the workpiece is specified, and a polarization direction of laser light is adjusted so that scanning of laser light is performed along the specified vertical direction with respect to the A-plane of the crystal orientation of the workpiece.

Abstract: A steering system includes a rod member, a housing, and a clamping member. The housing has a clamping slit and includes a first clamp-receiving portion and a second clamp-receiving portion that project so as to sandwich the clamping slit therebetween. The clamping member includes a fixed cam, a clamping shaft, a rotary cam, and a clamping lever. The fixed cam is fitted in the first clamp-receiving portion from an outer side of the first clamp-receiving portion. The fixed cam has a third through hole extending through the fixed cam coaxially with a first axis. The third through hole has a small diameter portion at a first portion close to the rotary cam and a large diameter portion having a diameter larger than a diameter of the small diameter portion at a second portion away from the rotary cam.

Abstract: Provided are a slicing method and a slicing apparatus, which prevent a trouble that occurs when a workpiece having a modified layer formed therein is separated at the modified layer as a boundary. Separation apparatus 200 includes: heating apparatus 12 for melting modified layer 8 of workpiece 1 formed by collection of a laser beam, by heating modified layer 8 at a temperature that is less than a melting point of workpiece 1 and equal to or more than a melting point of modified layer 8; and separation jig 11 for separating workpiece 1 at melted modified layer 8 as a boundary.

Abstract: A laser slicing apparatus for dividing a workpiece with a laser beam, including: a light shielding area detection section that detects light shielding areas existing on a side of a first surface of the workpiece; and a control section that radiates a first laser beam from the side of the first surface so as to scan across a whole area of the first surface of the workpiece and form a first modified layer in a to-be-sliced plane inside the workpiece, and that radiates a second laser beam to the light shielding areas of the workpiece from a second surface on an opposite side of the first surface and form a second modified layer in such a manner that the second modified layer is continuous with the first modified layer in the to-be-sliced plane.

Abstract: An airbag or inflatable cushion assembly can include an inflatable cushion and a throat liner. The throat liner can be coupled to an interior surface of the inflatable cushion at one or more coupling sites. The one or more coupling sites can include one or more panels that can be coupled to at least a portion of both of the inflatable cushion and the throat liner. The one or more panels can be configured to control or inhibit egress of an inflation gas at the one or more coupling sites.