Abstract: There is provided a component mounter for mounting a component on a mounting target object, including: a mounting head comprising a base section having, in the interior thereof, a first gas passage and a second gas passage that does not communicate with the first gas passage; a lifting and lowering mechanism for lifting and lowering the base section; a suction nozzle having a nozzle section disposed below the base section and configured to be lifted up and lowered, as the base section is lifted up and lowered, to pick up the component through a negative pressure supplied to the first gas passage; a biasing section for biasing the nozzle section downwards while permitting the nozzle section to be pushed in towards the base section; and a valve for switching between presence and absence of communication between the second gas passage and the outside depending on whether a push-in amount of the nozzle section has not yet reached or reached a predetermined value; and a detecting device for detecting at least one

Abstract: Provided is a component mounting device including: an XY robot, a Z-axis slider attached to an X-axis slider of the XY robot so as to be movable in the Z-axis direction, a head loaded on the Z-axis slider, and a nozzle attached to head 30 so as to be movable in the Z-axis direction. With the component mounting device, a component supplied from a component supply unit is picked up by the nozzle, transported to a specified position on a board, and mounted. A flexible section with an external appearance with a U shape that is expandable and contractible in the X-axis direction and the Z-axis direction is arranged to the rear of a Y-axis slider. A portion of an X-axis wiring tube and a portion of a Z-axis wiring tube are bundled together in the flexible section.

Abstract: A component mounting machine including a component supply device to supply a component to a supply position; a component transfer device to pick up the component from the supply position and mount the component on a board; a component detecting section to detect whether the component is present at the supply position before or while the component is being picked up by the component mounting tool; a holding detecting section to detect whether the component mounting tool is holding the component following pickup; and a retry performing section to determine whether to perform a retry operation of attempting to pick up the component again using the component mounting tool based on a detection result of the component detecting section and a detection result of the holding detecting section, and to perform the retry operation in accordance with a result of the determining of whether to perform the retry operation.

Abstract: In a rotary head type component mounter, among a specified quantity of suction nozzles held by a rotary head, multiple suction nozzles are lowered simultaneously. When the rotary head is moved by a head moving mechanism to a nozzle exchange area and exchange of suction nozzles is performed, two station reference marks of the nozzle station are imaged by a mark imaging camera, image recognition is performed of the positions of the two station reference marks, and the position and angle of the nozzle station is calculated. Then, the position and angle of the rotary head is corrected to be aligned with the position and angle of the nozzle station, multiple of the suction nozzles held on the rotary head are lowered simultaneously by Z-axis driving mechanisms and simultaneously exchanged with multiple of the suction nozzles in the nozzle station.

Abstract: A component mounting machine including a component supply device to supply a component to a supply position; a component transfer device to use a component mounting tool to pick up the component from the supply position and mount the component on a board; a component detecting section to detect whether the component is present at the supply position before or while the component is being picked up by the component mounting tool; a holding detecting section to detect whether the component mounting tool is holding the component following pickup; and a remaining detecting section to detect whether the component remains at the supply position in a case in which it is detected by the holding detecting section that the component is not being held by the component mounting tool; and a dropped determining section to determine whether the component has dropped.

Abstract: In a rotary head type component mounter, among a specified quantity of suction nozzles held by a rotary head, multiple suction nozzles are lowered simultaneously. When the rotary head is moved by a head moving mechanism to a nozzle exchange area and exchange of suction nozzles is performed, two station reference marks of the nozzle station are imaged by a mark imaging camera, image recognition is performed of the positions of the two station reference marks, and the position and angle of the nozzle station is calculated. Then, the position and angle of the rotary head is corrected to be aligned with the position and angle of the nozzle station, multiple of the suction nozzles held on the rotary head are lowered simultaneously by Z-axis driving mechanisms and simultaneously exchanged with multiple of the suction nozzles in the nozzle station.

Abstract: A component mounter of the present disclosure including a mounting head configured to pick up components and mount the components onto a substrate; a head moving device configured to move the mounting head in parallel to a horizontal plane; and a conveyance device configured to convey the substrate in a conveyance direction parallel to the horizontal plane. The mounting head includes multiple nozzles configured to pick up and hold the components by a negative pressure, multiple switching valves provided corresponding to each of the multiple nozzles and configured to switch whether the negative pressure is supplied to the corresponding nozzle, a nozzle moving device configured to change which nozzle is positioned at each of a first nozzle position and a second nozzle position for moving the multiple nozzles and performing at least one of picking up and mounting of the components, a first driving device, and a second driving device.

Abstract: A component mounter including a mounting head having multiple holding bodies, a revolving mechanism configured to revolve the multiple holding bodies along a revolution trajectory, a rotating mechanism configured to cause the multiple holding bodies to rotate on their axes in synchronism with each other, a detection section configured to detect a component located in one or more component detection positions which are different from the component pickup positions on the revolution trajectory from a side thereof; and a control section. The control section performs component pickup processing for causing the mounting head to cause at least one of the holding bodies located in the component pickup position to pick up and hold the component and holding body revolving processing for causing the revolving mechanism to locate the holding body that does not hold the component.

Abstract: A work head unit that detects the rotational position of suction nozzle with first Q-axis encoder positioned facing component holding section that holds a component. With the work head unit, it is desirable to detect the orientation of component holding section at two locations: suction nozzle and syringe member.

Abstract: A component mounting system comprising a feeder stocking area in which feeders to be exchanged with feeders for which exchanging is necessary from among multiple feeders which are set in the feeder setting area of each of the component mounting machines are caused to wait; and an exchanging robot which removes the feeders for which exchanging is necessary from the feeder setting area of each of the component mounting machines, removes the feeders to be exchanged with the feeders for which exchanging is necessary from among the multiple feeders which wait in the feeder stocking area, and sets the feeders in the feeder setting area of the component mounting machine.

Abstract: In rotary head type component mounter, provided at two locations around rotary head are Z1-axis drive mechanism and Z2-axis drive mechanism that lower suction nozzles, and in a case in which the interval between two suction nozzles is a multiple two times or greater than the arrangement pitch of components in tray, component mounter performs consecutive simultaneous pickup operation repeatedly for a quantity corresponding to the quantity of component arrangement pitches between the two suction nozzles, the consecutive simultaneous pickup operation being that of lowering the two suction nozzles simultaneously such that two of the components on tray are picked up simultaneously, then rotating rotary head by one nozzle pitch, moving rotary head in the arrangement direction of the components on tray by one component arrangement pitch, and then lowering the next two suction nozzles simultaneously such that another two of the components on tray are picked up simultaneously.

Abstract: A component mounting machine including a head unit that has a head main body configured to hold multiple pickup members each capable of picking up a component at a predetermined interval along a predetermined circumference and to be capable of rotating forward and reverse directions; a moving device configured to move the head unit; a lifting and lowering device configured to lift and lower a pickup member; a component supply device configured to be capable of supplying the component to the pickup member; and a control device configured to control those described above. The control device performs a control such that the pickup members pick up the components supplied by the component supply device, and each component is mounted on a board after a completion of the pickup, while performing an operation of rotating the head main body and an operation of moving the head unit together.

Abstract: In a rotary head type component mounter, before using two suction nozzles of rotary head to pick up the leading components in component supply tape set in two tape feeders, rotary head is moved in the XY directions by head moving mechanism and rotated by head rotating mechanism such that the pickup points of the two suction nozzles are positioned on two straight lines and extending in the tape feeding direction of each tape feeder passing through the ideal pickup points of the leading components of the two tape feeders, and the leading components are fed to component pickup positions and that are the pickup points of the suction nozzles on the two straight lines. Then, the two suction nozzles of rotary head are lowered simultaneously to pick up the two component simultaneously using the two suction nozzles.

Abstract: A component mounting machine moves a mounting head from a supply position P1 to each of mounting positions P3 and P4 of a circuit board CB via an imaging position P2. Further, the component mounting machine performs control such that the mounting head moves in a direction of movement at the time of imaging that is either of an X-axis direction or a Y-axis direction when passing through the imaging position P2. The component mounting machine determines the direction of movement at the time of imaging, according to a first X-axis distance Lx and a first Y-axis distance Ly from the imaging position P2 to each of the mounting positions P3 and P4.

Abstract: A component mounting machine includes multiple component supplying devices, a head, a head moving device, and a nozzle lifting and lowering device. The component supplying device feeds out a component to a component supply position. The head includes multiple nozzles configured to suction a component. The head moving device moves the head to cause the nozzles to face the respective component supply positions with two or more thereof. The nozzle lifting and lowering device lifts and lowers the nozzle located to face the component supply positions. In positioning the nozzles to face the respective component supply positions, the head is moved so as to prioritize a positional correction of a nozzle facing a smallest sized component over positional corrections of the other nozzles, and in this state, the nozzles facing the respective component supply positions are lifted and lowered simultaneously to suction corresponding components.

Abstract: Provided are a first component holding tool operating device which operates one component holding tool which is positioned at a first position set on one circumference among the plurality of component holding tools for holding and disengaging a component, and a second holding tool operating device which operates one component holding tool which is positioned at a second position set on the circumference among the plurality of component holding tools for holding and disengaging the component. The first position and the second position are set so that the second position is positioned in the middle of two adjacent component holding tools among the plurality of component holding tools when one of the plurality of component holding tools is positioned at the first position.

Abstract: A nozzle section is held by a nozzle holder to be vertically movable, and the nozzle section is biased downwards by springs. A height position reference section for which image recognition is possible is provided on an outer circumferential section of the nozzle section. Both a component held on the lower end of the nozzle section and the height position reference section are in the field of view of a camera that captures a side view image of an area around the lower end of the nozzle section. The side view image is processed, the height position reference section and a height position of the lower end of the component are recognized, a height difference from the height position reference section to the lower end of the component is measured, and it is determined whether the pickup orientation of the component is acceptable based on the height difference.

Abstract: A component mounter includes a mounting head configured to revolve multiple nozzle holders to which multiple pickup nozzles can detachably be attached individually in a circumferential direction and to allow the multiple pickup nozzles to rotate on their own axes while being interlocked with each other and two Z-axis drive devices provided at two locations on a revolving orbit of the multiple pickup nozzles to raise and lower the pickup nozzles situated at the two locations. Then, when a component supplied from a component supply device can be picked up at any of multiple different nozzle angles of the pickup nozzle, the component mounter moves the pickup nozzle to a revolving angle at which the pickup nozzle can be raised and lowered and then lowers the pickup nozzle to pick up the component at a nozzle angle of the multiple nozzle angles which involves a smaller moving amount.

Abstract: Rolled H-shaped steel is characterized in that a top 5% average value of Mn concentrations in a most embrittled portion in a flange is 1.6 times or less an Mn concentration at a position of 1/6 in a flange width direction from an end face in the flange width direction and 1/4 in a flange thickness direction from a face of a flange positioned on a side opposite to that of a web, and a top 5% average value of Mn concentrations in a central segregation portion dispersed in a region 15 mm or more apart from a center of the flange width toward one end face or both end faces in the flange width direction and within 2 mm from a flange surface layer in the thickness direction is not less than 1.1 times nor more than 1.6 times the Mn concentration at the position of 1/6 in the flange width direction from the end face in the flange width direction and 1/4 in the flange thickness direction from the face of the flange positioned on the side opposite to that of the web.

Abstract: Provided is a component mounting device including: an XY robot, a Z-axis slider attached to an X-axis slider of the XY robot so as to be movable in the Z-axis direction, a head loaded on the Z-axis slider, and a nozzle attached to head 30 so as to be movable in the Z-axis direction. With the component mounting device, a component supplied from a component supply unit is picked up by the nozzle, transported to a specified position on a board, and mounted. A flexible section with an external appearance with a U shape that is expandable and contractible in the X-axis direction and the Z-axis direction is arranged to the rear of a Y-axis slider. A portion of an X-axis wiring tube and a portion of a Z-axis wiring tube are bundled together in the flexible section.