Abstract: A steam reflow apparatus includes a heating furnace including a preheating zone, a uniform heating zone, a melting zone and a cooling zone to which superheated steams are respectively supplied. The apparatus further includes a furnace-inlet-side dew condensation prevention zone and a furnace-outlet-side dew condensation prevention zone, to which air or nitrogen gas with 100° C. or higher heated by a heater is supplied, respectively adjacently provided with an upstream side of the preheating zone and a downstream side of the cooling zone. Atmospheric pressures of the furnace-inlet-side dew condensation prevention zone and the furnace-outlet-side dew condensation prevention zone are higher than atmospheric pressures of the preheating zone and the cooling zone.

Abstract: A steam reflow apparatus includes a heating furnace including a preheating zone, a uniform heating zone, a melting zone and a cooling zone to which superheated steams are respectively supplied. The apparatus further includes a furnace-inlet-side dew condensation prevention zone and a furnace-outlet-side dew condensation prevention zone, to which air or nitrogen gas with 100° C. or higher heated by a heater is supplied, respectively adjacently provided with an upstream side of the preheating zone and a downstream side of the cooling zone. Atmospheric pressures of the furnace-inlet-side dew condensation prevention zone and the furnace-outlet-side dew condensation prevention zone are higher than atmospheric pressures of the preheating zone and the cooling zone.

Abstract: In the separation of a cover tape 15e from a carrier tape 15 performed by a cover tape separating mechanism 50, a cover tape 15e, which is separated from a base tape 15a by a separating blade edge 51f, comes into contact with a concave conical surface 52c, so that one side portion of a cover tape 15e is bent toward the other side portion; and the bent cover tape 15e is pressed against a guide surface 32s from below while the carrier tape 15 is guided to a pick-up position. Accordingly, the cover tape 15e is folded on the base tape 15a in a flat shape.

Abstract: A tape feeder includes a guide part that guides a carrier tape and is detachably attached to a main body. The guide part includes: a lower member guiding the carrier tape and attached to and detached from the main body; an upper member pressing down the carrier tape from above; a tape introduction part guiding the carrier tape into the upper member at an upstream side thereof in a tape feed direction; a confirmation opening part disposed in the upper member for visually confirming that the carrier tape arrives at a pin engagement range; an open/close mechanism opening and closing the upper member with respect to the lower member; and a positioning mechanism fitting a positioning pin into a feed hole of the carrier tape in the guide part, thereby positioning the carrier tape relative to the guide part in the tape feed direction.

Abstract: A tape feeder includes a guide part that guides a carrier tape and is detachably attached to a main body. The guide part includes: a lower member guiding the carrier tape and attached to and detached from the main body; an upper member pressing down the carrier tape from above; a tape introduction part guiding the carrier tape into the upper member at an upstream side thereof in a tape feed direction; a confirmation opening part disposed in the upper member for visually confirming that the carrier tape arrives at a pin engagement range; an open/close mechanism opening and closing the upper member with respect to the lower member; and a positioning mechanism fitting a positioning pin into a feed hole of the carrier tape in the guide part, thereby positioning the carrier tape relative to the guide part in the tape feed direction.

Abstract: A screen printing apparatus including two screen printers, each including a substrate introduction portion by which a substrate is introduced from an upstream side of a component mounting line, a printing portion which performs a screen printing to the introduced substrate, a substrate discharge portion by which the substrate is discharged to a downstream side, and a substrate moving stage which receives the substrate to position the substrate with respect to the printing portion and to move the substrate to the substrate discharge portion. The two substrate introduction portions, the two printing portions, and the two substrate discharge portions are arranged symmetrically to each other with respect to a perpendicular symmetrical plane extending in a transportation direction of the substrate in the component mounting line, respectively. Each printing portion is provided at a position further from the perpendicular symmetrical plane than the substrate discharge portion.

Abstract: The screen printing apparatus includes two screen printers 11A and 11B each including a substrate introduction portion 12 by which a substrate 4 is introduced from the upstream side of the component mounting line 3, a printing portion 13 which performs a screen printing to the introduced substrate 4, a substrate discharge portion 14 by which the substrate 4 subjected to the screen printing is discharged to the downstream side, and a substrate moving stage 15 which receives the introduced substrate 4 so as to position the substrate 4 with respect to the printing portion 13 and to move the substrate 4 subjected to the screen printing to the substrate discharge portion 14. The two substrate introduction portions 12, the two printing portions 13, and the two substrate discharge portions 14 are arranged symmetrically to each other with respect to a perpendicular symmetrical plane S extending in a transportation direction of the substrate 4 in the component mounting line 3, respectively.

Abstract: An object of the invention is to provide an electronic component mounting system which can execute component mounting work on a plurality of boards simultaneously, concurrently and efficiently so that high productivity and responsiveness to production of many items can be achieved consistently.

Abstract: A screen printing apparatus including two screen printers, each including a substrate introduction portion by which a substrate is introduced from an upstream side of a component mounting line, a printing portion which performs a screen printing to the introduced substrate, a substrate discharge portion by which the substrate is discharged to a downstream side, and a substrate moving stage which receives the substrate to position the substrate with respect to the printing portion and to move the substrate to the substrate discharge portion. The two substrate introduction portions, the two printing portions, and the two substrate discharge portions are arranged symmetrically to each other with respect to a perpendicular symmetrical plane extending in a transportation direction of the substrate in the component mounting line, respectively. Each printing portion is provided at a position further from the perpendicular symmetrical plane than the substrate discharge portion.

Abstract: In a structure that exfoliation is performed in the pitch sending of a carrier tape (15) by making a cover tape exfoliating mechanism (50) intervene between joining surfaces of a base tape (15a) and a cover tape (15e), in an exfoliation start position where an exfoliating knife tip (51f) of an acuminate shape, which is provided at a front end, starts to exfoliate the joining surface, a lower guide member (40), which guides the carrier tape (15) from below, is pushed up from the bottom side by a lever member (44), and when the carrier tape (15) is installed, the carrier tape (15) is pushed up together with the lower guide member (40) to make the exfoliating knife tip (51f) in the exfoliation start position to be aligned to the joining surfaces and enter between the joining surfaces.

Abstract: A positioning mechanism, which determines the relative position of a carrier tape 15 in a tape feed direction by fitting alignment pins 37 to feed holes 15d in a lower member 31, and a cover tape separating mechanism 50, which is provided on an upper member 32 and exposes electronic components 16 stored in component pockets 15b by separating a cover tape 15e from a base tape 15, are provided at non-interference positions that do not interfere with each other when the upper member 32 is closed to the lower member 31. Accordingly, when the cover tape 15e is separated from the carrier tape 15, the carrier tape 15 is aligned with the guide section 30.

Abstract: An object of the invention is to provide an electronic component mounting system and an electronic component mounting method which can execute component mounting work on a plurality of boards simultaneously, concurrently and efficiently so that high productivity and responsiveness to production of many items can be achieved consistently.

Abstract: To provide a component placement apparatus capable of preventing free operation of a mounting head within the movable region from being restricted as well as improving the mounting takt time.

Abstract: There is provided a screen printer capable of concurrently, efficiently subjecting a plurality of substrates, including different types of substrates, to printing operation. In a screen printer 2 that makes up an electronic component mounting line 1 and that prints electronic component bonding paste on a substrate, a substrate conveyance section 8 that conveys a substrate 5 forwardly or backwardly in a direction of conveyance of a substrate is disposed at an intermediate position between a first screen printing section 7A and a second screen printing section 7B arranged symmetrically with respect to a center line CL. It thereby becomes possible to adopt a variety of substrate conveyance forms, as required, such as return conveyance for returning the substrate 5 from a downstream machine to an upstream side of the screen printer 2 and bypass conveyance for letting the substrate sent from an upstream side pass through the screen printer, to thus be conveyed to a downstream machine.

Abstract: A tape feeder includes a guide part that guides a carrier tape and is detachably attached to a main body. The guide part includes: a lower member guiding a lower surface side of the carrier tape and attached to and detached from the main body; an upper member pressing down the carrier tape from above to guide an upper surface thereof; a tape introduction part guiding the carrier tape into the upper member at an upstream side thereof in a tape feed direction; an open/close mechanism opening and closing the upper member with respect to the lower member; and a positioning mechanism fitting a positioning pin into a feed hole of the carrier tape in the guide part, thereby positioning the carrier tape relative to the guide part in the tape feed direction.

Abstract: A tape feeder includes a guide part that guides a carrier tape and is detachably attached to a main body. The guide part includes: a lower member guiding a lower surface side of the carrier tape and attached to and detached from the main body; an upper member pressing down the carrier tape from above to guide an upper surface thereof; an open/close mechanism opening and closing the upper member with respect to the lower member; and a positioning mechanism fitting a positioning pin into a feed hole of the carrier tape in the guide part, thereby positioning the carrier tape relative to the guide part in the tape feed direction.

Abstract: A tape feeder includes a guide part that guides a carrier tape and is detachably attached to a main body. The guide part includes: a lower member guiding the carrier tape and attached to and detached from the main body; an upper member pressing down the carrier tape from above; a tape introduction part guiding the carrier tape into the upper member at an upstream side thereof in a tape feed direction; a confirmation opening part disposed in the upper member for visually confirming that the carrier tape arrives at a pin engagement range; an open/close mechanism opening and closing the upper member with respect to the lower member; and a positioning mechanism fitting a positioning pin into a feed hole of the carrier tape in the guide part, thereby positioning the carrier tape relative to the guide part in the tape feed direction.

Abstract: It is an object to provide an electronic component mounting system capable of concurrently, efficiently subjecting a plurality of substrates to component mounting operation and accomplishing both high productivity and a capability of addressing production of multiple products. An electronic component mounting system is configured by arranging, on an upstream side of a component loading unit having a plurality of substrate conveyance mechanisms, a screen printer M2 having a plurality of individual printing mechanisms and a coating and inspection machine M4 that applies a coat of a resin for use in boding an electronic component and that inspects a coated state. The coating and inspection machine M4 is equipped with a coating head 15 that performs operation for coating substrates conveyed by substrate conveyance mechanisms 12A and 12B from the screen printer M2 with the resin and an inspection head 16 that performs pre-coating inspection and post-coating inspection.

Abstract: An object of the invention is to provide an electronic component mounting system and an electronic component mounting method which can execute component mounting work on a plurality of boards simultaneously, concurrently and efficiently so that high productivity and responsiveness to production of many items can be achieved consistently.

Abstract: A screen printer capable of concurrently, efficiently subjecting a plurality of different types of substrates, to a printing operation. The screen printer makes up an electronic component mounting line and prints electronic component bonding paste on a substrate. A substrate conveyance section that conveys a substrate forwardly or backwardly in a direction of conveyance of a substrate is disposed at an intermediate position between a first screen printing section and a second screen printing section arranged symmetrically with respect to a center line CL. It thereby becomes possible to adopt a variety of substrate conveyance forms, as required, such as return conveyance for returning the substrate from a downstream machine to an upstream side of the screen printer and bypass conveyance for letting the substrate sent from an upstream side pass through the screen printer, to thus be conveyed to a downstream machine.