Abstract: An overload protection device includes a spherical plain bearing having an inner ring and an outer ring. The inner ring is integrated into a laser processing head and is rotatably supported by the outer ring within a given angle range from a normal posture position via a spherical face of the spherical plain bearing. The outer ring is integrated into a head support body that supports the laser processing head and moves in directions perpendicular to an emission direction of a laser beam. An optical path space of the laser beam inside the laser processing head forms an airtight state with an external space of the laser processing head by the outer ring and the inner ring during the rotation within the given angle range from the normal posture position.

Abstract: An article transport system includes: a processing machine; a pallet on which an article processed by the processing machine is placed; a transport robot configured to transport the pallet; a transport request unit configured to make a transport request to the transport robot for transporting the pallet to the processing machine; and an intermediate buffer including a pallet accommodation section which accommodates the pallet, in which the pallet is inserted and from which the pallet is retrieved, and configured to determine whether the article is placed on the pallet, and to transmit a determination result to the transport request unit. The transport request unit is configured to designate the pallet, which is to be transported by the transport robot in the transport request, as an empty pallet determined to have no article placed thereon, among the pallet accommodated in the intermediate buffer.

Abstract: A clutch includes: a first clutch tooth that rotates integrally with a first rotation element included in a speed reducer; a second clutch tooth that rotates integrally with a second rotation element included in the speed reducer; and a fixed clutch tooth that moves between the first clutch tooth and the second clutch tooth. The fixed clutch tooth includes: a first mode in which the speed reducer operates at a second reduction ratio by meshing only with the first clutch tooth to fix the first rotation element, a second mode in which the speed reducer operates at a first reduction ratio by meshing only with the second clutch tooth to fix the second rotation element, and a both-engaging mode of meshing with each of the first clutch tooth and the second clutch tooth when changing a mode between the first mode and the second mode.

Abstract: A welding system includes a welding device including a welding head, and configured to move the welding head to a welding position and perform a welding process on a workpiece using the welding head based on an operation program, a control unit configured to execute the operation program to control the welding device, an imaging device configured to image an image of the welding position and its surroundings to output the welding position image, an image processing unit configured to input the welding position image and a reference image at a reference welding position to which the welding head is to be moved according to the operation program, calculate a correction amount between the welding position shown in the welding position image and the reference welding position, and a confidence level of the welding position, and output an image for confirming the welding position, a display unit configured to display the output image, and a program correction unit configured to correct the operation program based

Abstract: A bending method includes acquiring a reference value of an original position of a punch with respect to a die for each processed part before an operation of bending of a workpiece by a bending machine including the punch and the die is started, storing each of the acquired reference values in association with each of the processed parts, reading the reference value associated with the processed part to which the bending is to be executed, acquiring a measurement value of the original position after the operation of the bending of the workpiece is started, calculating, based on the acquired measurement value, a secular change amount from the reference value or a previous measurement value as a secular change correction value for a pushing amount of the punch with respect to the die or the original position of the punch, and resetting, for each predetermined trigger condition, the pushing amount or the original position by using the secular change correction value during an automatic operation of the bending o

Abstract: A control data creation device includes a specifying unit configured to change suction positions at which carrying-out arms suction a product P by moving the carrying-out arms on product data so as to specify an index for evaluating a suction state for each of the suction positions, and a layout setting unit configured to create control data in which the suction position is laid out to the product P based on each index specified for each of the suction positions.

Abstract: An alignment structure, which can be used in a welding method for joining a first workpiece and a second workpiece, includes an alignment protruded portion formed to be protruded from an end face of the first workpiece that is a metal plate, and an alignment depressed portion formed on a surface of the second workpiece such that that the alignment protruded portion is entered thereinto and engaged therewith, and the first workpiece is aligned in an orthogonal manner with respect to the second workpiece due to an engagement of the alignment protruded portion with the alignment depressed portion in which the end face contacts with the surface of the second workpiece.

Abstract: An alignment structure includes an alignment protruded portion protruded from an end face of a first workpiece, and an alignment depressed portion formed on a surface of a second workpiece such that the alignment protruded portion is entered thereinto and engaged therewith. The alignment protruded portion has a bottom face and an inclined face. A pair of depressed-portion inclined faces whose cross-sectional faces are inclined with respect to a thickness direction, and a protrusion that has a vertical face are formed on the alignment depressed portion that is formed by using a tool and a method for forming the alignment depressed portion by using the tool. The alignment depressed portion is aligned due to an engagement with the alignment protruded portion, in which the inclined face contacts with one of the pair of depressed-portion inclined faces, and thus the first workpiece is aligned with respect to the second workpiece.

Abstract: A skid state determination device is a skid state determination device for determining a state of a plurality of skids for supporting a workpiece to be processed by a laser processing machine, with a supporting surface formed by top points of a plurality of protrusions, and includes: imaging means configured to be able to image at least a part of a skid table provided with the plurality of skids; and state determination means configured to determine the state of the skids based on image information obtained by imaging the skid table with the imaging means, and the state determination means executes: first determination processing for determining the state of the skids based on the image information obtained by imaging the skid table with the imaging means, before the workpiece is carried onto the skid table; and second determination processing for determining the state of the skids based on the image information obtained by imaging the skid table with the imaging means, after the workpiece is carried out from

Abstract: A laser processing machine includes a coupler that is an optical device capable of changing a beam profile of a laser beam emitted from a fiber laser oscillator, a focusing lens configured to focus the laser beam emitted from the coupler, the focusing lens including a first lens region with a first focal length on an inner peripheral side thereof and a second lens region with a second focal length on an outer peripheral side thereof, the second focal length being different from the first focal length, and a moving mechanism configured to move the focusing lens in an optical axis direction.

Abstract: A laser processing machine includes a collimating lens configured to convert a laser beam into a collimated beam, a condensing lens configured to focus the collimated beam onto a sheet metal, a first lens arrays structured by arranging a plurality of first microlenses in a planar shape so as to refract the laser beam by each of the first microlenses, a second lens array structured by arranging a plurality of second microlenses in a planar shape so that a center thereof is set at a same position in an optical axis direction as a center of the first lens array so as to make the laser beam emitted from each of the first microlenses incident and refracted by a corresponding one of the second microlenses, and a rotation mechanism configured to rotate at least one of the first lens array and the second lens array along an outer periphery thereof.

Abstract: A control device controls a table lifting mechanism such that a sheet metal is bent to have a temporary bending angle that is wider than a target bending angle and calculates a first bending angle of the sheet metal bent to have the temporary bending angle. The control device removes a load applied to the sheet metal, calculates a second bending angle of the sheet metal, and calculates a spring back amount. The control device calculates a lowering amount for bending the sheet metal in consideration of the spring back amount and controls the table lifting mechanism to lower an upper table. The control device, after the sheet metal is bent to have the target bending angle, removes the load applied to the sheet metal, and calculates a final bending angle of the sheet metal.

Abstract: A device determination system includes an assistance device configured to assist a work for a workpiece stacked in a stacking area and having portability so as to be freely arranged, an image capturing device capable of capturing an image of the stacking area, and a control device configured to determine an arrangement position and an arrangement orientation of the assistance device in the stacking area based on the captured image captured by the image capturing device, in which the assistance device includes an indicator by which a position and an orientation of the assistance device reflected in the captured image can be identified, and the control device detects the indicator included in the captured image so as to determine the arrangement position and the arrangement orientation.

Abstract: A control device performs control to bend a first sheet metal and a second sheet metal. The control device determines whether a difference between, a fourth bending angle obtained by temporarily bending the second sheet metal, and a first bending angle obtained by temporarily bending the first sheet metal, is within a predetermined angle. If the difference between the fourth bending angle and the first bending angle is within the predetermined angle, the control device does not calculate a spring back amount of the second sheet metal, but lowers an upper table by a second depth value at the time of a driving operation of the first sheet metal or by a corrected depth value obtained by correcting the second depth value according to the difference between the fourth bending angle and the first bending angle.

Abstract: An inner nozzle tip portion includes an inner nozzle opening configured to emit a laser beam and eject a first assist gas. An outer nozzle includes a stepped part provided at an outer nozzle tip portion and recessed inward from the outer nozzle tip portion, and an outer nozzle opening open to the stepped part to be a concentric circle with an inner nozzle opening, the outer nozzle opening being configured to eject a second assist gas. The stepped part includes a flat portion extending from a peripheral edge of the outer nozzle opening in a direction orthogonal to a direction of an axis, and the inner nozzle tip portion is located between the outer nozzle opening and the outer nozzle tip portion in the direction of the axis.

Abstract: A slider configured to move in a predetermined direction between a setup area and a pickup area is provided in a vicinity of a loading machine that supplies a workpiece W to a working machine. The slider is recessed to form a placing part for placing a pallet. Guide mechanisms for supporting the slider so as to be movable in the predetermined direction are respectively arranged on both sides in a lateral direction orthogonal to the predetermined direction in the placing part of the slider. A drive mechanism for moving the slider in the predetermined direction is arranged on at least one side in the lateral direction of the placing part.

Abstract: An abutment mechanism operation control method includes determining, when, from among at least three abutment mechanisms each including a base part and an abutment part, each configured to be movable along each of a first operation axis in a first direction and a second operation axis in a second direction, and each arranged in parallel in the second direction, first and second abutment mechanisms positioned at both sides and with the abutment part offset with respect to a reference axis of the base part along the first direction, and a third abutment mechanism positioned between the first and second abutment mechanisms, are operated, whether an operation of at least one of the first and second abutment mechanisms and an operation of the third abutment mechanism interfere with each other, and causing at least one of the first, second, and third abutment mechanisms to perform an operation to prevent the interference based on a determination result.

Abstract: A tool storage device includes: a first stocker on which a plurality of tools used for bending processing are mountable in a first direction; and at least one second stocker on which the plurality of tools are mountable in the first direction, the at least one second stocker being arranged side by side with the first stocker in a second direction orthogonal to the first direction, in which the second stocker is configured to be movable in a third direction orthogonal to each of the first direction and the second direction.

Abstract: A digital projector according to one aspect includes: a light source that irradiates an object to be machined with light; a low-magnification camera mechanism that captures a projected image of the object to be machined, generated by the irradiation by the light source; a beam splitter provided on a light path of the projected image; a high-magnification camera mechanism that captures the projected image, split by the beam splitter, in a range narrower than the low-magnification camera mechanism and at a magnification higher than the low-magnification camera mechanism; and a display that displays a low-magnification image captured by the low-magnification camera mechanism and a high-magnification image captured by the high-magnification camera mechanism.

Abstract: A lay-out data creation device includes a laying-out unit configured to lay out, based on product data including a shape of a product, a cutting path through which a processing machine for laser cutting cuts the product from a material. The laying-out unit: in a case where a notch is included in an outline of the product, sets a joint to the product or an offcut the joint being for connecting a hole area including the notch in an outline of the hole area; and lays out the cutting path to the outline of the hole area and the outline of the product excluding the notch so that a part of the outline of the hole area is left uncut depending on the joint.