Abstract: An automatic tool changer includes first and second tool change units that is driven respectively by a pair of servo motors and move along an arrangement direction of a plurality of tools installed on a tool installation unit, a torque detection unit that detects a torque of each of the pair of servo motors, and a control device that controls operations of the first and second tool change units. The control device fixes the first tool change unit at a reference position, and moves the second tool change unit toward the first tool change unit. The control device determines, based on a torque change of each servo motor, that a plurality of upper tools are brought together at the first tool change unit as a result of a movement of the second tool change unit.

Abstract: A load collapse detection device in an automated guided vehicle stores information indicating a load collapse detection range adjacent to the automated guided vehicle and information indicating an obstacle detection range in a periphery of the load collapse detection range. acquires a detection result performed by object detection sensors detecting objects in a periphery of the automated guided vehicle while the automated guided vehicle is travelling, detects objects in the load collapse detection range and objects in the obstacle detection range, and when an object in the load collapse detection range is detected, determines that the object has fallen due to load collapse when the object has not been detected in the obstacle detection range before being detected in the load collapse detection range.

Abstract: A tool changer includes a slider provided behind (or in front of) a table of a press brake, and configured to slide in a right-left direction along a tool installation part of the table, a finger provided in the slider, and configured to be inserted into an engagement hole extending through a tool and to move in a front-rear direction, and an engagement member configured to be protruded and retracted relative to an outer peripheral surface of the finger on a tip side, and to be engaged with a peripheral edge portion of the engagement hole of the tool (or an inner stepped portion formed at an intermediate position of the engagement hole).

Abstract: The present invention includes a support arm, a permanent robot hand fixedly provided to the support arm and configured to hold a workpiece placed on a workpiece placement platform, and an extending robot hand configured to hold the workpiece together with the permanent robot hand, in which the present invention is configured to be able to transport the workpiece from the workpiece placement platform and the extending robot hand is configured to be removable.

Abstract: A topology database generates topology data of a plurality of parts. The topology database acquires processing information including a tool name of a use tool and a processing order from a bending processing program of each part, and stores the processing information in association with the topology data. A processing information acquisition unit searches for a similar part with the same topology data as topology data of a processing target part, and acquires the processing information of the similar part. A tool determination unit calculates a range of a tool length which is able to bend each bending line using a tool with a tool name included in the processing information and which does not interfere with the part, and determines the tool with the tool name and a tool length within a range of the tool length as the use tool.

Abstract: A workpiece supply robot configured to be able to transport an uppermost workpiece from a workpiece group stacked on a workpiece mounting table, and a robot control unit are provided. The workpiece supply robot includes a robotic hand for holding the uppermost workpiece, and the robot control unit carries out a holding position specifying process of specifying a holding position of the robotic hand with respect to the workpiece, a nearest neighbor portion specifying process of specifying a portion of the workpiece nearest to the holding position of the robotic hand specified by the holding position specifying process, a pivot center specifying process of specifying, as a pivot center, an opposed portion opposed to the nearest neighbor portion specified by the nearest neighbor portion specifying process, and a robotic hand control process of separating the uppermost workpiece from the workpiece group around the opposed portion specified by the pivot center specifying process.

Abstract: A protective glass contamination detection device that detects contamination on a protective glass for protecting a focusing lens for focusing a laser beam to irradiate the focused laser beam onto a workpiece includes a scattered light detection unit, an information acquisition unit, a contamination threshold setting unit, and a contamination determination unit. The scattered light detection unit detects scattered light generated by contamination adhered to the protective glass. An information acquisition unit acquires information on processing conditions of a laser processing machine. The contamination threshold setting unit sets a contamination threshold for detecting contamination on the protective glass from a detection value detected by the scattered light detection unit based on processing conditions of the laser processing machine. The contamination determination unit determines a degree of contamination on the protective glass based on the detection value and the contamination threshold.

Abstract: A workpiece separation device includes: a raising/lowering unit from which a plurality of string-like members are hung down in such a way as to be raised and lowered synchronously; a separation unit which is suspended by the plurality of string-like members; a pallet which has a workpiece support on which a rectangular workpiece is placed and is arranged below the separation unit; a first clamp unit which is provided in the separation unit, and holds a first edge portion of the workpiece placed on the workpiece support; a second clamp unit which holds a second edge portion of the workpiece opposite to the first edge portion; and a push-up unit which receives a reaction force from the pallet by pushing a pusher onto the pallet, thereby pushing up the second clamp unit.

Abstract: The beam shaper includes a mode conversion device, a collimating lens, and a focusing lens. The mode conversion device refracts, among laser beams of incident divergent light, laser beams incident on an outer peripheral side of a central portion about an optical axis towards the optical axis to emit as outer peripheral side beams, and emits the laser beams incident on the central portion as central beams having an angle of emergence equal to an angle of incidence. A collimating lens converts the outer peripheral side beams and the central beams emitted from the mode conversion device into collimated light. A focusing lens focuses the outer peripheral side beams and the central beams emitted from the collimating lens.

Abstract: Storage units 60, 70 store a first computer program calculating a flow rate of an assist gas with a linear function having a pressure of the assist gas in a processing head 35 as a variable, and a second computer program calculating a slope of the linear function with a function having a gap G from a tip end of a nozzle 36 to a surface of a workpiece W as a variable. A control unit 50 substitutes a value of the gap G into the function to calculate the slope of the linear function and substitutes the slope of the linear function and a value of the pressure of the assist gas into the linear function to calculate the flow rate of the assist gas.

Abstract: A pattern matching unit carries out a pattern matching between a photographed image obtained by photographing a workpiece with a monocular camera and a first plurality of models having a plurality of sizes and a plurality of angles, and selects a model having a size and an angle with the highest degree of matching. A primary detection unit detects a position and an angle of an uppermost workpiece based on the selected model. An actual load height calculation unit calculates an actual load height of the uppermost workpiece based on a hand height. A secondary detection unit re-detects the position and the angle of the uppermost workpiece based on a model having a size and an angle with the highest degree of matching selected by carrying out a pattern matching between the photographed image and a second plurality of models selected or newly created based on the actual load height.

Abstract: A first tool retention member of a first tool exchange unit retains a first tool to be exchanged in a state of being engaged in an engagement hole of the first tool. A second tool retention member of a second tool exchange unit retains a second tool not to be exchanged in a state of being engaged in an engagement hole of the second tool. Subsequently, the first tool exchange unit moves in a left-right direction in a state in which a movement of the second tool exchange unit in the left-right direction is stopped.

Abstract: A gathering operation includes a restraint operation of moving forward a left lower tool retention member so as to restrain a reference lower tool with the left lower tool retention member, an inserting operation of moving forward a right lower tool retention member so as to insert the right lower tool retention member into an insertion hole of a target lower tool, and an execution operation of moving the left and right lower tool retention members along a left-right direction so as to come close with each other. If a failure of the inserting operation is determined, a control device performs a retry operation of moving forward the right lower tool retention member again so as to insert the right lower tool retention member into the insertion hole (141) of the target lower tool after moving backward the left lower tool retention member.

Abstract: An automated guided vehicle travels in a sheet metal processing facility in which a plurality of sheet metal processing machines are installed. The automated guided vehicle includes an abnormality detection sensor for detecting an abnormality that has occurred while the automated guided vehicle is traveling, a notification destination specifying unit for specifying a sheet metal processing machine as a notification destination of a state of the abnormality, from the plurality of sheet metal processing machines when the abnormality detection sensor detects the abnormality, and a notification information transmission control unit for wirelessly transmitting information for notifying the state of the abnormality, to the sheet metal processing machine as the notification destination specified by the notification destination specifying unit.

Abstract: A bending machine includes hydraulic cylinders capable of adjusting an inclination state, eccentric shaft units, and a control device. The control device sets an inclination state of the upper table and also sets a curved state of the lower table to conform to the inclination state of the upper table in order to carry out partial bending to pressurize a limited pressurized range compared to a pressurized range in which a workpiece is pressurized by using entire areas of an upper tool and a lower tool in a lateral direction. The control device changes a combination of the inclination state of the upper table and the curved state of the lower table and repeats the partial bending while causing a transition of the limited pressurized range in order to carry out entire area bending to pressurize the workpiece over an entire area in the lateral direction.

Abstract: A processing head is moved to a corner portion along a first side without decelerating while emitting a laser beam; emission of the laser beam is stopped after the processing head which is moving reaches the corner portion; the processing head is moved from the corner portion to a first predetermined position separated by a first predetermined distance along a second side while emitting the laser beam intermittently, and emission of the laser beam is stopped when the processing head reaches the first predetermined position; the processing head is accelerated from a position, which is on an extension line of the second side and before the corner portion, toward the corner portion; and emission of the laser beam is started when the processing head which is accelerating reaches the corner portion, and then the processing head is moved along the second side.

Abstract: An accumulated wear amount calculation section calculates a wear amount of a blade edge of a punch and a wear amount of a blade edge of a die when a tool set of the punch and the die has processed a sheet metal once. The accumulated wear amount calculation section calculates an accumulated wear amount of the blade edge of the punch and an accumulated wear amount of the blade edge of the die by accumulating wear amounts of respective times when the tool set has processed the sheet metal multiple times. A tool management information managing section manages a state of the blade edge of each punch and each die by causing a tool management information storage section to store tool management information associating a tool identification code given to each punch and each die with the accumulated wear amounts calculated by the accumulated wear amount calculation section.

Abstract: A camera captures a predetermined range including a beam spot of a laser beam irradiated on the first and second sheet metals to be welded. An image analysis device determines whether a welding defect has occurred, based on an image signal obtained by capturing the first and second sheet metals. The image analysis device sets an analysis window in a frame of the image signal, and a center of the beam spot is located at a reference point set in the analysis window. A region extractor extracts pixels of a region of interest whose position is set with reference to the reference point corresponding to a welding defect of a determination target, among pixels included in the analysis window. A welding defect determination unit determines whether the welding defect of the determination target has occurred, based on luminance in the region of interest.

Abstract: A bending system includes a greasing unit configured to move in a right-left direction by way of a moving operation of an external operation member and to supply grease to a sliding contact part of a tool holder, and a greasing unit holder provided on one side in a right-left direction of a table and configured to support the greasing unit. The greasing unit includes a greasing unit main body, and an application member provided on the greasing unit main body and formed in a shape corresponding to the sliding part of the tool holder, the application member being configured to be able to be impregnated with the grease.

Abstract: A band saw blade includes: a body portion having a band-like and an endless shape; a tooth portion in which a tooth group, which is a set of a predetermined number of teeth including a set tooth, is repeatedly formed on one edge side of the body portion; and a coat layer which is formed on a surface of the teeth of the tooth portion. The set tooth has a first indentation portion as a recessed portion in the coat layer on an outer surface in a set direction, and thickness of the coat layer in the recessed portion of the first indentation portion is thinner than that of the coat layer in portions other than the recessed portion.