WO2015025383A1 - フィーダ部品種決定方法およびフィーダ部品種決定装置 - Google Patents
フィーダ部品種決定方法およびフィーダ部品種決定装置 Download PDFInfo
- Publication number
- WO2015025383A1 WO2015025383A1 PCT/JP2013/072299 JP2013072299W WO2015025383A1 WO 2015025383 A1 WO2015025383 A1 WO 2015025383A1 JP 2013072299 W JP2013072299 W JP 2013072299W WO 2015025383 A1 WO2015025383 A1 WO 2015025383A1
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- Prior art keywords
- component
- tape
- feeder
- accuracy
- component type
- Prior art date
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/08—Monitoring manufacture of assemblages
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0417—Feeding with belts or tapes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/08—Monitoring manufacture of assemblages
- H05K13/089—Calibration, teaching or correction of mechanical systems, e.g. of the mounting head
Definitions
- the present invention relates to a tape feeder constituting a component supply device of a component mounting machine, and more specifically, a combination of a plurality of tape feeders and a plurality of component types of components housed in a carrier tape to be loaded thereon is determined. And a device for determining a combination.
- the component mounting machine generally includes a substrate transfer device, a component supply device, and a component transfer device.
- the board transport device carries in and out the printed board and positions it.
- the component supply apparatus sequentially supplies components of a plurality of component types to a predetermined supply position.
- a typical example of the component supply device is a feeder-type component supply device.
- the feeder-type component supply device is detachably equipped with a plurality of tape feeders.
- Each tape feeder holds a carrier tape containing a plurality of parts at an equal pitch, and sequentially supplies the parts to a supply position.
- the component transfer device sucks a component from the supply position of the component supply device using negative pressure and mounts the component on the printed circuit board.
- specifications such as the width dimension of the carrier tape and the pitch dimension between the components are determined in stages in accordance with JIS standards and the like based on the size of the components.
- the feed amount that the tape feeder intermittently feeds the carrier tape ideally matches the pitch dimension, but it does not always match exactly and may vary.
- the fluctuation of the feed amount is directly related to the position accuracy of the supply position where the parts are actually delivered.
- the position accuracy of the supply position of the tape feeder is generally managed so that the suction nozzle of the component transfer device can stably suction the component.
- the positional accuracy of the tape feeder cannot be avoided even if it is the same type of tape feeder using the same type of carrier tape.
- the position accuracy is deteriorated with time due to wear of the drive unit due to operation for many years.
- a decrease in position accuracy leads to a suction error in which the suction nozzle cannot suck the component. Mistakes in suction cause parts to be wasted and production efficiency is reduced due to recovery operations.
- the mixing of tape feeders with reduced positional accuracy reduces workability such as setup work, and further reduces production efficiency.
- the applicant of the present application discloses a maintenance method corresponding to such a decrease in position accuracy of the tape feeder in Patent Document 1.
- the maintenance method of the electronic circuit component mounting machine of patent document 1 performs the maintenance of the component of the several electronic circuit component mounting machine installed in the some factory intensively.
- the component includes a component feeder (tape feeder).
- a single monitoring system centrally monitors a plurality of electronic circuit component mounting machines in real time. As a result, it is frequently operated and is severely deteriorated and consumed. Therefore, maintenance is easily required, and maintenance of a component feeder having a large number of types and quantities can be performed intensively.
- a spare parts feeder is necessary to avoid a decrease in the operating rate of the electronic circuit component mounting machine, but the number of spare parts can be reduced.
- the present invention has been made in view of the above-mentioned problems of the background art, and is loaded in consideration of individual differences in position accuracy of a plurality of tape feeders that supply extremely small parts and the like, and effects such as aging.
- the feeder component type determination method of the present invention that solves the above-described problem makes it possible to attach and detach a plurality of tape feeders that respectively hold carrier tapes that store a plurality of components at an equal pitch and sequentially supply the components to respective supply positions.
- a component mounting machine comprising: a component supply device to be equipped; and a component transfer device that picks up the component supplied to the supply position and mounts the component on a printed circuit board positioned at the mounting position.
- a feeder component type determination method for determining a combination of a plurality of component types stored in the carrier tape with a position accuracy measurement for measuring the position accuracy at the supply position for at least a part of the tape feeder.
- Step the positional accuracy of the tape feeder, the component external dimensions determined by the component type of the component, and the component.
- a component type determination step for determining a combination of a component type of the component stored in the carrier tape and the tape feeder based on at least one of the allowable positional accuracy when being supplied to the supply position by the feeder.
- the position accuracy at the supply position is measured for at least a part of the tape feeder. Accurately grasp. Then, in the component type determination step, based on the position accuracy of the tape feeder and at least one of the component external dimension and the allowable position accuracy determined by the component type of the component, the component type of the component stored in the tape feeder and the carrier tape The combination of is determined. Therefore, it is possible to suppress mistakes in suction even for extremely small parts with strict allowable position accuracy, and the production efficiency of the printed circuit board can be increased.
- FIG. 3 is a cross-sectional view taken along the line AA of FIG. 2 and showing a state in which the carrier tape houses a component. It is a top view which shows the measuring tape used as an alternative of a carrier tape when measuring the positional accuracy of a tape feeder.
- FIG. 4 is a side view of the tape feeder, in which a side plate on the front side of the paper is omitted, and a detailed structure inside is shown. It is a figure which illustrates typically the feeder component kind determination method of embodiment.
- FIG. 1 is a plan view illustrating a configuration example of a component mounter 1 that performs a feeder component type determination method according to an embodiment.
- the component mounter 1 is configured by assembling a substrate transport device 2, a component supply device 3, a component transfer device 4, a control computer (not shown), and the like on a machine base 8.
- 1 is the X-axis direction in which the printed circuit board K is conveyed, and the left-right direction of the sheet, that is, the longitudinal direction of the component mounting machine 1 is the Y-axis direction.
- the substrate transport device 2 is a dual lane type device capable of transporting two printed boards K in parallel.
- the board transport device 2 loads, positions, and unloads the printed circuit board K to the mounting position in the first lane 21 and the second lane 22 that are arranged in parallel.
- Each of the first lane 21 and the second lane 22 includes a pair of guide rails 23 and 24, a pair of conveyor belts, a clamping device, and the like.
- the pair of guide rails 23 and 24 are assembled at the upper center of the machine base 8 and extend in parallel with each other in the transport direction (X-axis direction) of the printed circuit board K.
- a pair of endless annular conveyor belts (not shown) arranged in parallel with each other are provided.
- the pair of conveyor belts rotate in a state where the printed circuit board K is placed on the conveyor conveyance surface, and carry the printed circuit board K to and from the mounting execution position set in the central portion of the machine base 8.
- FIG. 1 illustrates a situation where the printed board K is loaded into the first lane 21 and positioned at the mounting position, and the printed board K is not loaded into the second lane 22.
- the component supply device 3 includes a support base 31, eight tape feeders 32, and eight reel holding portions 39, and supplies up to eight types of parts P.
- the eight tape feeders 32 are examples for simplifying the following description. In reality, the number of tape feeders 32 is larger than that of the eight tape feeders 32 and more parts types can be supplied.
- the device is common.
- the support base 31 is a substantially rectangular member, and its width-direction dimension (X-axis direction dimension) is approximately equal to the width dimension of the machine base 8.
- eight slots extending in the longitudinal direction (Y-axis direction) and arranged in the width direction (X-axis direction) are formed.
- the support base 31 is detachably mounted on the rear upper surface of the machine base 8 (see FIG. 5).
- the tape feeder 32 has a flat shape that is long in the vertical direction and the front-rear direction and narrow in the width direction.
- the eight tape feeders 32 are installed by being inserted into eight slots of the support base 31 from the rear side, and are used in a line in the X-axis direction.
- Each of the eight reel holders 39 is mounted and used on the rear side of each tape feeder 32 in a set.
- the reel holding unit 39 holds the first reel 391 and the second reel 392 side by side in the front-rear direction (Y-axis direction) so that they can be exchanged.
- a carrier tape 5 in which a large number of parts P are stored at an equal pitch Lp is wound.
- a component type specifying code for specifying the component type, manufacturer, etc. of the component P stored in the wound carrier tape 5 is attached.
- a barcode can be exemplified as the component type identification code, and is not limited to this. Note that more than eight tape feeders 32 can be prepared in advance and used in exchange.
- Each tape feeder 32 of the component supply device 3 can be loaded by inserting the tip of the carrier tape 5 wound around the first reel 391 and the second reel 392 from the insertion port 32E.
- Each tape feeder 32 supplies the component P to the supply position 32S at the tip by intermittently feeding one carrier tape 5 at a predetermined pitch Lp.
- Each tape feeder 32 starts feeding the other carrier tape 5 automatically when one carrier tape 5 is used up.
- the reel holding unit 39 can remove the reel around which the one carrier tape 5 is wound, and hold the third reel (not shown) around which the third carrier tape 5 is wound. Detailed structures of the carrier tape 5 and the tape feeder 32 will be described later.
- the component transfer device 4 picks up the component from the supply position 32S of the tape feeder 32 of the component supply device 3, conveys it to the printed board K positioned at the mounting execution position, and mounts it.
- the component transfer device 4 is an XY robot type device that can move horizontally in the X-axis direction and the Y-axis direction.
- the component transfer device 4 includes a pair of Y-axis rails 41 and 42, a Y-axis slider 43, a Y-axis servo motor 44, an X-axis slider 45, an unillustrated X-axis servo motor, a mounting head 46, and an unillustrated suction nozzle. Etc.
- a pair of Y-axis rails 41 and 42, a Y-axis slider 43, a Y-axis servo motor 44, and the like constitute a Y-axis drive robot.
- the pair of Y-axis rails 41, 42 are arranged in parallel from the front side in the longitudinal direction of the machine base 8 to above the positioned printed circuit board K and above the rear-side component supply device 3.
- a Y-axis slider 43 is movably mounted on the Y-axis rails 41 and 42.
- the Y-axis slider 43 is driven in the Y-axis direction by a ball screw mechanism including a ball screw 441 connected to the output shaft of the Y-axis servo motor 44.
- the X-axis drive robot is composed of the X-axis slider 45 and the X-axis servo motor.
- the X-axis slider 45 is movably mounted on one side surface of the Y-axis slider 43 that extends in the X-axis direction.
- An unillustrated X-axis servomotor is disposed on the Y-axis slider 43.
- the X-axis slider 45 is driven in the X-axis direction by a ball screw mechanism including a ball screw connected to the output shaft of the X-axis servo motor.
- the mounting head 46 is replaceably disposed on the side surface of the X-axis slider 45. Below the mounting head 46, a plurality of suction nozzles that are not visible in the figure are detachably held.
- the suction nozzle When the suction nozzle is driven to the supply position 32S of the tape feeder 32 by the X-axis drive robot and the Y-axis drive robot, the suction nozzle sucks the component P at the supply position 32S using negative pressure.
- the suction nozzle is driven to the printed board K positioned by the X-axis drive robot and the Y-axis drive robot, the component P is mounted on the printed board K.
- the control computer (not shown) controls the production operation of the printed circuit board K and manages the production status of the printed circuit board K. Specifically, the control computer controls the transport operation and positioning operation of the printed circuit board K by the substrate transport device 2, and controls the component suction operation, transport operation, and mounting operation by the component transfer device 4. The control computer manages the number of printed circuit boards K produced and responds to errors that occur during the production operation. The control computer previously acquires various design information such as the correspondence between the type of printed circuit board K to be produced and the type of component P to be mounted, and the mounting coordinate position of each component P on the printed circuit board K.
- the control computer also arranges the order of the component types of the components P supplied from the tape feeders 32 of the component supply device 3, the mounting order of the components P to be mounted on the printed circuit board K, the planned production number and production of printed circuit boards K. Production information such as scheduled completion time is also acquired in advance.
- FIG. 2 is a plan view showing a part of the carrier tape 5 near the front end portion 5T.
- 3 is a cross-sectional view taken along the line AA in FIG. 2 and showing a state in which the carrier tape 5 houses the component P.
- the carrier tape 5 has a three-layer structure of a base tape 51, a cover tape 52, and a bottom tape 53.
- the base tape 51 is formed of a flexible material such as a paper material or a resin, and is a long and thin strip-shaped member having a width dimension WB. Near the center in the width direction of the base tape 51, a large number of rectangular storage recesses 511 are provided at an equal pitch Lp in the length direction.
- a number of engagement holes 512 are formed near one side edge of the base tape 51 in parallel with the side edge at a constant interval Ld in the length direction.
- a cover tape 52 is detachably attached to the surface of the base tape 51.
- the cover tape 52 is formed of a transparent polymer film, and is a long and thin strip-shaped member having a width dimension WC.
- the width dimension WC of the cover tape 52 is narrower than the width dimension WB of the base tape and wider than the storage recess 511.
- the cover tape 52 is thinner than the base tape 51. Both edges of the cover tape 52 are bonded to a range avoiding the engagement holes 512 and the storage recesses 511 on the surface of the base tape 51 by the applied adhesive 521.
- a bottom tape 53 is attached to the back surface of the base tape 51 as shown in FIG.
- the bottom tape 53 is formed of a transparent polymer film, and is a thin and thin strip member having a width dimension WB.
- the width dimension WB of the bottom tape 53 substantially matches the width dimension WB of the base tape 51.
- the thickness of the bottom tape 53 is thinner than that of the base tape 51 and is about the same as that of the cover tape 52.
- the bottom tape 53 is adhered to a range avoiding the storage recess 511 on the back surface of the base tape 51 by the applied adhesive.
- the bottom tape 53 is also provided with an engagement hole 531 so as to overlap the engagement hole 512 of the base tape 51.
- the component P is housed in the approximate center of the housing recess 511. It should be noted that the component P is not housed from the beginning in the housing recess 511 within a predetermined distance from the front end 5T and the rear end of the carrier tape 5, and in the example shown in FIG. As shown in FIG. 3, the storage recess 511 is sandwiched between the cover tape 52 and the bottom tape 53 so that the component P is sealed. In the vicinity of the supply position 32S of the tape feeder 32, as shown in FIG. 2, the cover tape 52 is sequentially peeled from the front end portion 5T of the base tape 51, and the component P is supplied.
- FIG. 4 is a plan view showing a measuring tape 6 used as an alternative to the carrier tape 5 when measuring the positional accuracy of the tape feeder 32.
- the measuring tape 6 is formed of a metal ribbon that has a low coefficient of thermal expansion and is less likely to be distorted or deformed.
- the width dimension WB of the measuring tape 6 is equal to the width dimension WB of the base tape 51 of the carrier tape 5.
- a large number of cross-shaped measurement markers 61 are engraved or drawn at the same pitch Lp as the storage recesses 511 of the carrier tape 5.
- a number of engagement holes 62 are formed near one side edge of the measuring tape 6 in parallel with the side edges at the same interval Ld as the engagement holes 512 and 531 of the carrier tape 5.
- the pitch Lp in which the storage recess 511 is formed includes a manufacturing error, and the base tape 51 may expand and contract due to a temperature change or an external force.
- the components P are not necessarily accurately stored in the center of the storage recess 511, and the pitch Lp between the components P tends to have a large error.
- the pitch Lp of the measurement marker 61 of the measurement tape 6 is extremely high in accuracy. Therefore, by using the measuring tape 6 instead of the carrier tape 5, it is possible to accurately measure the reproducibility of the feed amount of the carrier tape 5, in other words, the position accuracy of the tape feeder 32 at the supply position 32S.
- FIG. 5 is a side view of the tape feeder 32, in which the side plate on the front side of the drawing is omitted, and the detailed structure inside is shown.
- the tape feeder 32 is configured by assembling a rail 34, a tape feeding mechanism 35, a next-use tape control mechanism 36, a control unit 37, a tape peeling mechanism (not shown), and the like between two side plates forming the feeder housing 33. Has been.
- the two side plates forming the feeder housing 33 are arranged in parallel and spaced apart by the flat width direction.
- the feeder housing 33 is longer than the support base 31, and most of the feeder housing 33 is located on the slot on the upper surface of the support base 31, but a part of the rear side of the feeder housing 33 is the rear side of the support base 31 (shown in the figure). It is located from the left side) down.
- the feeder housing 33 is formed with a carrying handle 33 ⁇ / b> B in which an upper portion on the rear side is cut out into a rectangular shape.
- a feeder specifying code for specifying the tape feeder 32 is attached to the side surface of the feeder housing 33.
- a barcode can be illustrated as a feeder specific code, and is not limited to this.
- the rail 34 is a member that guides the feeding of the carrier tape 5 on its upper surface.
- the rail 34 is an elongated plate-like member that extends from the rear end to the front end inside the feeder housing 33, and is bent at two points in the middle.
- the rail 34 includes a horizontal first rail portion 341, an inclined upward second rail portion 342, and a horizontal third rail portion 343 in order from the rear end toward the front side.
- the second rail part 342 is slightly shorter and the third rail part 343 is significantly longer.
- An insertion port 32E is formed at the rear end of the first rail portion 341. The insertion port 32E can be inserted with the two carrier tapes 5 stacked one above the other so that the carrier tape 5 can be loaded.
- the upper surface near the tip of the third rail portion 343 corresponds to the supply position 32S.
- a tape peeling mechanism (not shown) is disposed near the supply position 32S.
- the tape peeling mechanism peels the cover tape 52 from the base tape 51 by the pitch Lp in synchronization with the intermittent feeding of the carrier tape 5.
- the tape peeling mechanism since known techniques disclosed in Japanese Patent No. 2663948, Japanese Patent Laid-Open No. 2009-140994, and Japanese Utility Model Publication No. 7-23994 can be applied, description thereof will be omitted.
- the tape feeding mechanism 35 is disposed on the lower side of the rail 34, and intermittently feeds the carrier tape 5 along the upper surface of the rail 34 to the supply position 32S by a pitch Lp.
- the tape feeding mechanism 35 includes a motor 351, a first gear 352, a second gear 353, a first sprocket 354, a third gear 355, a second sprocket 356, and the like.
- a motor 351, a first gear 352, a second gear 353, and a first sprocket 354 are arranged in order from the rear side to the front side on the lower side of the third rail portion 343.
- a small-diameter drive gear 351D is fixed to the output shaft of the motor 351.
- the first gear 352 is rotatably supported, has a driven gear 352F on the outer periphery, and has an inner drive gear 352D on the inner side.
- the driven gear 352F meshes with the drive gear 351D of the output shaft of the motor 351.
- the second gear 353 is rotatably supported and meshes with the inner drive gear 352D of the first gear 352.
- the first sprocket 354 is rotatably supported, has engagement protrusions 354K formed on the outer periphery at regular angular intervals, and has an inner driven gear 354F on the inner side.
- the inner driven gear 354F meshes with the second gear 353.
- the engagement protrusion 354K protrudes upward from the entry hole 344 formed in the third rail portion 343, and engages with the engagement holes 512 and 531 of the carrier tape 5 and the engagement hole 62 of the measurement tape 6. It has become.
- the amount of protrusion of the engagement protrusion 354K from the entry hole 344 is preferably equal to or greater than the thickness of the carrier tape 5.
- a third gear 355 is disposed on the rear side of the motor 351 below the third rail portion 343.
- the third gear 355 is rotatably supported, has a driven gear 355F on the outer periphery, and has an inner driving pulley 355D on the inner side.
- the driven gear 355F meshes with the drive gear 351D of the output shaft of the motor 351.
- a second sprocket 356 is disposed below the first rail portion 341.
- the second sprocket 356 is rotatably supported, has engagement protrusions 356K formed on the outer periphery at regular angular intervals, and has an inner driven pulley 356F slightly inside.
- the engagement protrusion 356K protrudes upward from the entry hole 345 formed in the first rail portion 341, and engages with the engagement holes 512 and 531 of the carrier tape 5 and the engagement hole 62 of the measurement tape 6. It has become.
- the amount of protrusion of the engagement protrusion 356K from the entry hole 345 is limited to the thickness of the carrier tape 5 or less.
- the drive belt 357 is wound around the inner driving pulley 355D of the third gear 355 and the inner driven pulley 355F of the second sprocket 356 so as to rotate. Further, tension pulleys 358 and 359 are rotatably provided in the middle of the forward path and the return path on which the drive belt 357 rotates. The two tension pulleys 358 and 359 press the drive belt 357 to generate tension, thereby preventing the drive belt 357 from slipping.
- the first sprocket 354 is driven to rotate clockwise via the first gear 352 and the second gear 353.
- the second sprocket 356 is driven to rotate clockwise via the third gear 355 and the drive belt 357. Both the first sprocket 354 and the second sprocket 356 are driven to rotate at a reduced speed but have the same reduction ratio, and can be intermittently fed by the pitch Lp in synchronization with the carrier tape 5 and the measuring tape 6.
- the next use tape control mechanism 36 is disposed on the upper side of the first rail portion 341.
- the next use tape control mechanism 36 allows the feeding of the first carrier tape 5 currently used, and controls the holding and feeding of the front end portion 5T of the second carrier tape 5 to be used next.
- the next-use tape control mechanism 36 includes a mechanism base 361, a first pressing member 362, a second pressing member 363, a tape end detection sensor 364, and the like.
- the mechanism base 361 is a block-like member that is long in the front-rear direction, and is fixed above and parallel to the first rail portion 341.
- the mechanism base 361 is provided with two pairs of slide holes 361H that are vertically spaced apart by a predetermined distance d in the front-rear direction. In other words, a total of four slide holes 361H are formed in the front-rear direction. It is provided side by side.
- the first pressing member 362 and the second pressing member 363 are block-like members whose length in the front-rear direction is slightly less than half of the mechanism base 361.
- the first pressing member 362 and the second pressing member 363 are arranged between the mechanism base portion 361 and the first rail portion 341 with the first pressing member 362 on the front side.
- the first pressing member 362 has two slide shafts 362A that are erected at a predetermined distance d in the front-rear direction of the upper surface thereof.
- the two slide shafts 362A are engaged with the two front slide holes 361H of the mechanism base 361 so as to be movable up and down.
- coil springs 362C are disposed around the two slide shafts 362A, respectively. One end of the coil spring 362C abuts on the mechanism base 361, and the other end on the lower side presses the first pressing member 362 toward the first rail portion 341.
- the second pressing member 363 has two slide shafts 363A erected at a predetermined distance d in the front-rear direction of the upper surface thereof.
- the two slide shafts 363A are engaged with the two slide holes 361H on the rear side of the mechanism base 361 so as to be vertically movable.
- coil springs 363C are disposed around the two slide shafts 363A, respectively.
- One end of the coil spring 363 ⁇ / b> C is in contact with the mechanism base 361, and the other end on the lower side presses the second pressing member 363 toward the first rail portion 341.
- the first pressing member 362 and the second pressing member 363 can move independently in the vertical direction, and cannot move in the front-rear direction and the width direction.
- the engagement protrusion 356 ⁇ / b> K of the second sprocket 356 is disposed so as to protrude highest at an intermediate position between the first pressing member 362 and the second pressing member 363.
- the bottom surface of the second pressing member 363 is a horizontal surface
- a notch holding portion 362K is formed on the bottom surface of the first pressing member 362.
- the notch holding portion 362K is formed by notching the rear side of the bottom surface of the first pressing member 362, and the notch height is larger than the thickness of the carrier tape 5.
- the front end portion 5T of the carrier tape 5 opposes the coil spring 363C to the second pressing member. It advances to the front side between 363 and the 1st rail part 341.
- the engagement protrusions 356K of the second sprocket 356 engage with the engagement holes 512, 531 of the carrier tape 5
- the carrier tape 5 is thereafter fed by the second sprocket 356.
- tip part 5T of the carrier tape 5 advances to the front side between the 1st press member 362 and the 1st rail part 34 against the coil spring 362C.
- the front end portion 5T of the carrier tape 5 advances from the second rail portion 342 to the third rail portion 343.
- the engagement protrusions 354K of the first sprocket 354 are engaged with the engagement holes 512 and 531 of the carrier tape 5
- the carrier tape 5 is thereafter fed by the first sprocket 354.
- the leading end 5T of the carrier tape 5 advances to the supply position 32S, and the tape peeling mechanism is set.
- the tip 5T of the second carrier tape 5 is second against the coil spring 363C. It advances forward between the pressing member 363 and the first carrier tape 5.
- the engagement protrusions 356K of the second sprocket 356 are not engaged with the engagement holes 512, 531 of the second carrier tape 5.
- the protruding amount of the engaging protrusion 356 ⁇ / b> K is limited to the thickness of the carrier tape 5 or less and is already engaged with the engaging holes 512, 531 of the first carrier tape 5 and hidden. For this reason, the 2nd carrier tape 5 advances to the notch holding part 362K of the 1st press member 362, stops, and is hold
- the second carrier tape 5 When the production of the printed circuit board proceeds and the rear end portion of the first carrier tape 5 passes under the second pressing member 363, the second carrier tape 5 is pushed down by the second pressing member 363 and the first carrier tape 5 is pushed down. It contacts the rail portion 341. As a result, the engagement protrusions 356K of the second sprocket 356 are engaged with the engagement holes 512, 531 of the second carrier tape 5, and the second carrier tape 5 is fed. At the same time, the third carrier tape 5 can be inserted into the upper side of the second carrier tape 5 from the insertion port 32E and loaded.
- the tape end detection sensor 364 is disposed above and below the first pressing member 362 and the first rail portion 341. More specifically, the tape end detection sensor 364 includes a light emitting unit 364S and a light receiving unit 364R.
- the light emitting unit 364S is provided in the mechanism base 361 and emits measurement light downward.
- the light receiving unit 364S is provided below the first rail unit 341, and receives measurement light from above.
- a light transmitting hole 362L is formed in the first pressing member 362 and a light transmitting hole 341L is formed in the first rail portion 341 so as not to prevent the measurement light from passing.
- the tape end detection sensor 364 is connected to and controlled by the control unit 37, and the detection result is also grasped by the control unit 37.
- the tape end detection sensor 364 detects light transmission by the storage recess 511 of the carrier tape 5 fed on the first rail portion 341 and detects light shielding by the component P. Therefore, when the tape end detection sensor 364 detects the storage recess 511 and does not detect the component P, the control unit 37 sets the storage recess 511 in which the front end portion 5T and the rear end component P of the carrier tape 5 are not stored. It can be detected.
- the tape feeder 32 used in the embodiment corresponds to the next tape loading type tape feeder of the present invention.
- the notch holding portion 362K on the bottom surface of the first pressing member 362 corresponds to a preparation position where the leading end portion 5T of the next-use carrier tape 5 is loaded.
- the control unit 37 is disposed on the lower side of the front side of the feeder housing 33.
- the control unit 37 includes a microprocessor, a memory, a driver, and the like (not shown), and further includes a communication connector 371 on the upper front side, and operates by software.
- the control unit 37 is connected to the control computer of the component mounter 1 for communication, and can exchange necessary information.
- the control unit 37 controls the drive current of the motor 351 of the tape feeding mechanism 35 via a driver. Further, the control unit 37 detects the front end portion 5T and the rear end portion of the carrier tape 5 based on the detection result of the tape end detection sensor 364 of the next use tape control mechanism 36. The control unit 37 stores information corresponding to the feeder identification code in a memory and uses it for communication with the control computer. Further, the control unit 37 holds the component type specifying codes of the first reel 391 and the second reel 392 held by the reel holding unit 39. The component type identification codes of the first reel 391 and the second reel 392 can be read by a bar code reader separately and received by communication from a control computer, for example.
- the feeding amount when the tape feeding mechanism 35 intermittently feeds the carrier tape 5 by a predetermined pitch Lp does not always coincide with each other and may vary.
- the fluctuation of the feed amount is directly related to the position accuracy of the supply position 32S that actually delivers the component P.
- the position accuracy may deteriorate over time due to wear of the engagement protrusion 354K of the first sprocket 354 or increase in backlash of the bearing portion that supports the first sprocket 354 due to operation for many years. It is done.
- the feeder component type determination method of the embodiment is performed.
- FIG. 6 is a diagram schematically illustrating a feeder component type determination method according to the embodiment.
- S2 to S6 shown in parentheses in the figure correspond to steps S2 to S6 in the flowchart of FIG.
- the feeder component type determination method of the embodiment is implemented by cooperation of the feeder inspection jig 91, the host computer 92, and the job management computer 93 as well as the component mounter 1 and the operator.
- the configuration and function of these devices 91, 92, 93 will be described.
- the component mounter 1, the feeder inspection jig 91, the host computer 92, and the job management computer 93 can communicate with each other and exchange data.
- the feeder inspection jig 91 corresponds to the position accuracy measuring means of the present invention, and includes a support base 911, a communication socket 912, an imaging camera 913, a jig control unit 914, and the like.
- a slot is formed on the upper surface of the support base 911.
- the imaging camera 913 is disposed directly above the supply position 32S of the tape feeder 32 inserted in the slot of the support base 911. Accordingly, the supply position 32S is arranged at the center of the imaging field of view of the imaging camera 913.
- the imaging camera 913 performs an imaging operation in response to a command from the jig control unit 914, and outputs the acquired image data to the jig control unit 914.
- the imaging camera 913 has a resolution that can image the measurement marker 61 of the measurement tape 6 with sufficient accuracy, and an imaging condition is also set for this purpose.
- the measuring tape 6 is loaded in the tape feeder 32 as an alternative to the carrier tape 5.
- the jig control unit 914 acquires a feeder specifying code from the control unit 37 of the tape feeder 32 inserted into the slot of the support base 911.
- the jig control unit 914 causes the tape feeder 32 to feed the measuring tape 6 to the supply position 32S.
- the jig control unit 914 alternately performs intermittent feeding of the measuring tape 6 by the pitch Lp by the tape feeder 32 and imaging of the measuring marker 61 by the imaging camera 913 alternately.
- the jig control unit 914 obtains the reproduction accuracy of the feeding amount of the measuring tape 6 from the imaging data of the plurality of measurement markers 61 obtained continuously, that is, the position accuracy at the supply position 32S.
- the position accuracy is maximized in an ideal state where the measurement marker 61 does not move at all on a plurality of image data of the imaging camera 913.
- the positional accuracy as the measurement result can be expressed by, for example, the maximum value of the error that the measurement marker 61 has moved on the plurality of image data, and may be another method such as using an average value of the errors together.
- the jig control unit 914 transmits position accuracy data in which the feeder identification code is associated with the position accuracy obtained by measurement to the host computer 92.
- the operator uses the feeder inspection jig 91 to measure the position accuracy at the supply position 32S in order for the plurality of tape feeders 32 to be measured. Even with the same tape feeder 32, it is preferable to measure the position accuracy again after a long operating time has elapsed or after a large amount of stress has been applied.
- the positional accuracy of each tape feeder 32 at the supply position 32S is the stop position accuracy of the storage recess 511 of the carrier tape 5 relative to the supply position 32S when the feeding operation of the carrier tape 5 by the tape feeder 32 is executed. it can. For example, in the case of a minimal component, when the amount of deviation between the stop position of the storage recess 511 of the carrier tape 5 and the supply position 32S is larger than the component dimension, the minimal component cannot be adsorbed.
- the host computer 92 stores and manages the positional accuracy data of the plurality of tape feeders 32.
- the host computer 92 transfers the requested position accuracy data of the tape feeder 32 in response to a request from the job management computer 93.
- the job management computer 93 manages a plurality of jobs for the component mounter 1 to produce the printed circuit board K.
- the job management computer 93 holds job information for each type of printed circuit board K produced by the component mounter 1.
- the job information includes design information and production information described by the control computer of the component mounter 1.
- the job management computer 93 instructs the production by transmitting job information regarding the printed board K to be produced next to the component mounter 1.
- FIG. 7 is a flowchart illustrating an implementation procedure of the feeder component type determination method of the embodiment.
- FIG. 8 is a diagram of a combination table of the tape feeders F1 to F8 and the component types P1 to P8 illustrating the operation of the feeder component type determination method of the embodiment.
- the job management computer 93 sets the type of the printed board K to be produced next.
- eight component types P1 to P8 of components to be mounted by the component mounter 1 are determined, and the types and specifications of the eight tape feeders 32 used for supplying these are determined.
- the job management computer 93 lists at least eight tape feeders that match the type, specifications, etc. among the many unused tape feeders in the backyard as candidates for use. If there are exactly eight use candidates, the job management computer 93 determines combinations of eight types of parts P1 to P8 in the following steps. If the number of use candidates exceeds eight, the job management computer 93 narrows down to eight in the following steps and determines combinations of eight types of parts P1 to P8.
- FIG. 8 a case where four types of medium-sized component types P1 to P4 and four types of extremely small component types P5 to P8 are mounted is considered.
- the tape width dimension W1 of the carrier tape 5 accommodating the medium-sized parts is larger than the tape width dimension W2 of the carrier tape 5 accommodating the extremely small parts. Therefore, four medium-sized tape feeders F1 to F4 corresponding to the tape width dimension W1 and four minimum tape feeders F5 to F8 corresponding to the tape width dimension W2 are required.
- the symbols P1 to P8 attached to the component types correspond to the component type identification code
- the symbols F1 to F8 attached to the tape feeder correspond to the feeder identification code.
- the part types P1 to P4 of the medium-sized parts have a relatively loose allowable position accuracy at the supply position 32S of the tape feeder 32, and there is no possibility of a suction error even when combined with any of the medium-sized tape feeders F1 to F4. Therefore, the measurement of positional accuracy is omitted in the medium-sized tape feeders F1 to F4.
- the component types P5 to P8 of the extremely small parts have strict allowable position accuracy. Therefore, if they are combined with the tape feeders F5 to F8 for the minimum at random, there is a possibility that suction mistakes frequently occur. Supplementally, generally, the allowable position accuracy becomes stricter as the component outer dimension of the component is smaller. Therefore, in the position accuracy measurement step S2, the operator measures the position accuracy of the four minimum tape feeders F5 to F8 using the feeder inspection jig 91. When the measurement corresponding to the position accuracy measurement step S2 is performed at the time of storage in the backyard and the measurement result remains, the second measurement may be omitted.
- the fifth tape feeder F5 has the lowest positional accuracy, in other words, the error Er5 is the largest, and the positional accuracy increases in the order of the sixth to eighth tape feeders F6 to F8. To do. That is, it is assumed that the relationship of error Er5> error Er6> error Er7> error Er8 holds.
- the host computer 92 associates the feeder specifying code for specifying the measured fifth to eighth tape feeders F5 to F8 with the position accuracy (error Er5 to Er8). Store the data.
- the job management computer 93 stores part type data relating to the part types P1 to P8 of the parts to be mounted on the printed board K to be produced next.
- the component type data is data in which a component type identification code for identifying the component types P1 to P8 is associated with at least one of the component external dimensions and the allowable position accuracy of the component type.
- the job management computer 93 may acquire part type data from another device via communication, may acquire it from a portable memory medium, or may acquire it from an operator's input operation.
- the permissible position errors Av5 to Av8 corresponding to the permissible position accuracy of the component types P5 to P8 of the minimal parts are considered.
- it is assumed that the relationship of allowable position error Av5> allowable position error Av6> allowable position error Av7> allowable position error Av8 is established.
- the job management computer 93 first receives the positional accuracy data of the fifth to eighth tape feeders F5 to F8 from the host computer 92.
- the job management computer 93 then supplies the position accuracy of the fifth to eighth tape feeders F5 to F8 (errors Er5 to Er8), the part external dimensions determined by the part type of the parts, and the parts to the supply position by the tape feeder.
- the combination of the tape feeder and the component type of the component stored in the carrier tape is determined on the basis of at least one of the allowable positional accuracy at the time.
- the job management computer 93 determines the fifth to eighth tape feeders F5 to F8 based on the errors Er5 to Er8 and the allowable position errors Av5 to Av8 determined by the component types P5 to P8. The combination of the 8-tape feeders F5 to F8 and the component types P5 to P8 is determined.
- a total of 64 columns where the tape feeders F1 to F8 and the component types P1 to P8 intersect indicate whether or not combinations are possible.
- ⁇ and ⁇ indicate that combination is possible
- x indicates that the combination is not possible
- a blank indicates physically that the combination is not possible due to mismatch of the tape width dimensions W1 and W2.
- the error Er5 of the fifth tape feeder F5 is smaller than the allowable position error Av6 and larger than the allowable position error Av7
- the error Er6 of the sixth tape feeder F6 is smaller than the allowable position error Av8.
- the job management computer 93 avoids the combination of the fifth tape feeder F5 and the component types P7 and P8 (x mark in FIG. 8). That is, when the allowable positional accuracy of the component types P7 and P8 is stricter than the positional accuracy of the fifth tape feeder F5, the job management computer 93 avoids the combination of the tape feeder F5 and the component types P7 and P8. Thereby, it is possible to prevent frequent suction mistakes due to poor position accuracy. Therefore, the component type determination step S5 includes the accuracy failure avoidance step of the present invention.
- the job management computer 93 combines the fifth to eighth tape feeders F5 to F8 with a component type having a higher allowable positional accuracy as the positional accuracy is higher, and the lower the positional accuracy of the fifth to eighth tape feeders F5 to F8 is. Combine with parts with loose allowable position accuracy. As a result, the combinations indicated by ⁇ in FIG. 8 are adopted. That is, the eighth tape feeder F8 having the smallest error Er8 and the part type P8 having the strictest allowable position error Av8 are combined.
- the accuracy failure avoidance step is not essential.
- a method may be employed in which the high positional accuracy of the fifth to eighth tape feeders F5 to F8 is not associated with the strictness of the allowable positional accuracy of the component types P5 to P8.
- the combination of the fifth to eighth tape feeders F5 to F8 and the component types P5 to P8 is not limited to the symbol ⁇ , and the symbol ⁇ and the symbol ⁇ may be combined as appropriate.
- four units to be used are selected based on the measured positional accuracy, and combinations with the component types P5 to P8 are determined.
- the combination of the four medium-sized tape feeders F1 to F4 and the component types P1 to P4 of the medium-sized parts can be freely selected, and any combination indicated by ⁇ may be adopted.
- the job management computer 93 assigns the order of arrangement of the eight tape feeders F1 to F8 to the slots of the holding base 31.
- the mounting operation efficiency of the component transfer device 4 changes.
- the order of the optimized component types P1 to P8 is often obtained in advance by simulation of the job management computer 93 or another device. Therefore, the job management computer 93 assigns the arrangement order of the eight tape feeders F1 to F8 so as to realize the optimized arrangement order of the component types P1 to P8.
- the job management computer 93 transfers the assigned information to the component mounter 1.
- the component mounter 1 displays the assigned information on the display device 1D and guides it to the operator.
- the guidance display for example, the combination table shown in FIG. 8 may be displayed as it is, and is not limited to this.
- the operator determines the setup method in step S7 and proceeds to the in-machine setup step S8 or the out-of-machine setup step S9.
- the operator loads each tape feeder 32 with the carrier tape 5 containing the components of the component types P1 to P8 corresponding to the positions of the plurality of tape feeders F1 to F8 equipped in the component supply device 3.
- the tape feeders 32 are set up so that the components of the component types P1 to P8 can be supplied to the supply positions 32S. That is, the operator first follows the guidance display on the display device 1D, and the carrier tape 5 of the appropriate component types P1 to P8 is attached to the tape holding portion 39 of each of the tape feeders F1 to F8 of the support base 31 provided in the machine base 8. Hold. Next, the operator changes the arrangement order of the tape feeders 32 on the support base 31 and aligns them correctly.
- the control computer of the component mounting machine 1 and the control unit 37 of each of the tape feeders F1 to F8 are communicatively connected at each point of the operator's in-machine setup work. Therefore, the control computer or the job management computer 93 can determine whether or not the combination of each of the tape feeders F1 to F8 and the component types P1 to P8 is an appropriate one that matches the guidance display on the display device 1D. Further, the control computer or the job management computer 93 confirms that the arrangement order of the tape feeders F1 to F8 on the support base 31, that is, the arrangement order of the component types P1 to P8 is the same as the guidance display of the display device 1D. You can determine whether or not. The control computer or the job management computer 93 sequentially guides and displays the determination result on the display device 1D to support the in-flight setup work.
- the operator can load the carrier tape 5 into the plurality of tape feeders F1 to F8 at a place away from the component mounting machine 1, and each tape feeder 32 can supply the components to the respective supply positions 32S.
- the state is set, and the arrangement order of the tape feeders 32 is aligned and set up. That is, the operator first holds the carrier tape 5 of the appropriate component type P1 to P8 in the tape holding portion 39 of each tape feeder F1 to F8 at a location away from the component mounter 1 according to the guidance display on the display device 1D. Let Next, the operator correctly aligns the tape feeders 32 on the support base 31 removed from the machine base 8 of the component mounting machine 1 or the spare support base 31. Finally, the operator equips the machine base 8 with the tape feeders F1 to F8 together with the support base 31.
- control computer of the component mounting machine 1 and the control unit 37 of each of the tape feeders F1 to F8 are communicatively connected. Therefore, the control computer or the job management computer 93 can determine whether or not the combination of each of the tape feeders F1 to F8 and the component types P1 to P8 is an appropriate one that matches the guidance display on the display device 1D. Further, the control computer or the job management computer 93 confirms that the arrangement order of the tape feeders F1 to F8 on the support base 31, that is, the arrangement order of the component types P1 to P8 is the same as the guidance display of the display device 1D. You can determine whether or not.
- control computer or the job management computer 93 uses the guidance display on the display device 1D, Instruct the operator to make corrections.
- step S10 the component mounting machine 1 starts production of the printed circuit board K by component mounting.
- the control computer of the component mounting machine 1 determines whether or not the production number of the printed circuit boards K has reached the planned production number in step S11, and supplies a component to any tape feeder 32 in step S12. Whether or not is necessary.
- step S12 If the parts need to be replenished in step S12, the process proceeds to part replenishment determination step S13.
- the operator loads the next-use carrier tape 5 in which components of the same component type are stored in the tape feeder 32 loaded with the carrier tape 5 that is to be out of components.
- the control computer or the job management computer 93 determines whether or not a combination of the positional accuracy of the tape feeder 32 and at least one of the component external dimensions and the allowable positional accuracy determined by the component type of the component stored in the next-use carrier tape 5 is determined. To do.
- the part replenishment determination step S13 is performed.
- the part type data of the parts stored in the next use carrier tape 5 can be acquired by, for example, separately reading the part type specifying code of the reel on which the next use carrier tape 5 is wound with a bar code reader. Therefore, the control computer or the job management computer 93 can determine whether or not the combination is possible from the positional accuracy data of the fifth to eighth tape feeders F5 to F8 and the component type data of the components accommodated in the next use carrier tape 5. .
- step S11 When the production number of printed circuit boards K reaches the planned production number in step S11, all steps of the feeder component type determination method of the embodiment are finished. Next, another type of the printed circuit board K is set, and the feeder component type determination method of the embodiment is repeated.
- FIG. 9 is a flowchart for explaining an application form of the in-flight setup step S8.
- an insertion port restriction mechanism (not shown) is provided in the insertion port 32E of the tape feeder 32.
- the insertion port restricting mechanism can be operated by a command from the control unit 37 to completely close the insertion port 32E or to be half open so that only one carrier tape 5 can be inserted.
- the control computer or the job management computer 93 obtains the feeder identification code of the tape feeders F1 to F8 to be loaded with the carrier tape 5 and the component type identification code of the component stored in the carrier tape 5 from now on. Identify.
- the operator reads the feeder identification code attached to the tape feeders F1 to F8 and the component type identification code attached to the reel on which the carrier tape 5 is wound using a barcode reader.
- the control computer or the job management computer 93 can identify the feeder identification code and the component type identification code via communication.
- the control computer or job management computer 93 reads the position accuracy of the tape feeders F1 to F8 specified by the identified feeder specifying code from the position accuracy data.
- the control computer or job management computer 93 reads from the component type data at least one of the component external dimensions and the allowable position accuracy of the component type specified by the identified component type specifying code.
- the control computer or job management computer 93 is based on the read position accuracy of the tape feeders F1 to F8 and at least one of the read component external dimensions and allowable position accuracy of the relevant component type. Thus, it is determined whether the combination of the tape feeders F1 to F8 and the component types of the components stored in the carrier tape 5 is possible. That is, the control computer or the job management computer 93 determines that the combination is not successful when the blank or cross mark combination shown in FIG.
- control computer or job management computer 93 When determining whether or not to combine, the control computer or job management computer 93 sends a command to close the insertion port 32E to the tape feeder 32 concerned. As a result, the insertion slot 32E of the tape feeder 32 is automatically closed, so that the operator cannot load the wrong carrier tape 5.
- step S35 the operator changes the reel, changes the carrier tape 5, and returns to the code identification step S31.
- step S36 it is determined whether or not the loading of the carrier tape 5 into all the tape feeders 32 is completed. If not completed, the process proceeds to step S37, and the operator moves to the next tape feeder and returns to the code identification step S31. When the process ends in step S36, the process returns to step S10 in FIG.
- the insertion port restriction mechanism can also be applied to the determination step S13 for parts replenishment. That is, in the part supply determination step S13, the control computer or the job management computer 93 determines that the combination of the tape feeders F1 to F8 and the part types P1 to P8 of the parts accommodated in the next use carrier tape 5 is not allowed. Sometimes, the tape feeder 32 is instructed to open the insertion port 32E halfway. As a result, the insertion port 32E of the tape feeder 32 is half-opened, and the operator does not erroneously load the next-use carrier tape 5 that has been determined to be not combined.
- the control unit 37 of the tape feeder 32 controls to stop the motor 351 of the tape feeding mechanism 35 instead of controlling the insertion port restriction mechanism to close or half-open the insertion port 32E.
- the second sprocket 356 does not accidentally pull in the next-use carrier tape 5 that is determined to be not combined, and the operator can reload the next-use carrier tape 5.
- a plurality of tape feeders 32 that respectively hold the carrier tape 5 that stores a plurality of components P at an equal pitch Lp and sequentially supply the components P to the respective supply positions 32S can be attached and detached.
- a component mounting apparatus 1 including a component supply device 3 mounted on the printed circuit board K and a component transfer device 4 mounted on the printed circuit board K that is positioned at the mounting position by sucking the component P supplied to the supply position 32S.
- a feeder component type determination method for determining a combination of a plurality of tape feeders F1 to F8 and component types P1 to P8 of a component P stored in a carrier tape 5, and supplying at least a part of the tape feeders F1 to F8 Position accuracy measuring step S2 for measuring the position accuracy of the component P at the supply position 32S, the position accuracy of the tape feeders F5 to F8, and the part P
- a plurality of tape feeders F5 to F8 and a carrier tape 5 are accommodated based on the component external dimensions determined by the seeds P5 to P8 and at least one of the allowable positional accuracy when the component is supplied to the supply position 32S by the tape feeder 32.
- a component type determining step S5 for determining a combination of the component P with the component types P5 to P8.
- the position accuracy at the supply position 32S of the supplied component P is measured for at least a part of the tape feeders F1 to F8, and therefore the supply position 32S of the tape feeders F5 to F8 is measured. Individual differences in position accuracy and deterioration over time can be grasped individually and accurately.
- the position accuracy (error Er5 to Er8) of the tape feeders F5 to F8 and the component external dimensions and allowable position accuracy determined by the component types P5 to P8 of the component P (cultural position errors Av5 to Av8) Based on at least one of these, combinations of the tape feeders F5 to F8 and the component types P5 to P8 of the components P stored in the carrier tape 5 are determined.
- the cooperation of the component mounter 1, the feeder inspection jig 91, the host computer 92, and the job management computer 93 can be implemented in various forms other than the function sharing in the above-described embodiment.
- the host computer 92 can be omitted, and the role of the host computer 92 can be shared by the feeder inspection jig 91 or the job management computer 93.
- the component type determination step S5 does not have to be performed by the job management computer 93, and may be performed by another apparatus that shares position accuracy data and component type data.
- the control unit 37 of the tape feeder 32 may store and hold its own position accuracy data and transfer the position accuracy data via communication when it is mounted on the component mounter 1.
- the position accuracy of the medium-sized tape feeders F1 to F4 omitted in the specific example of FIG. 7 can be measured, and the combination of the four types of medium-sized parts with the component types P1 to P4 can be optimized. Further, four units may be selectively used based on the result of measuring the positional accuracy of five or more minimum tape feeders. Various other applications and modifications are possible for the present invention.
- the higher the position accuracy of the tape feeder the smaller the component outer dimension is combined, and the lower the tape feeder position accuracy, the larger the component outer dimension is combined.
- the higher the positional accuracy of the tape feeders F5 to F8 the smaller the errors Er5 to Er8), the more severe the allowable positional accuracy (the smaller the allowable positional errors Av5 to Av8), and the tape feeders F5 to F8. It is possible to present a feeder component type determination method that is combined with component types P5 to P8 having a lower allowable positional accuracy as the position accuracy of F8 is lower.
- the allowable position accuracy becomes severer as the component outer dimension of the component is smaller.
- the eighth tape feeder F8 having the highest positional accuracy can be preferentially combined with the component type P8 having the smallest component external dimension and the strictest allowable positional accuracy.
- a tape feeder with high positional accuracy can be combined in accordance with the severity of allowable positional accuracy. Therefore, the margins of the positional accuracy in the combination of the respective tape feeders F5 to F8 and the component types P5 to P8 are relatively averaged, and a combination in which the margin becomes extremely small does not occur.
- the allowable position accuracy (allowable position errors av7, Av8) determined by the component types P7, P8 of the component P is more severe than the position accuracy (error Er5) of the tape feeder F5.
- a feeder component type determination method including a precision failure avoidance step for avoiding the combination of the tape feeder F5 and the component types P7 and P8.
- a position accuracy storage step S3 for storing position accuracy data in which the feeder specifying code for specifying the tape feeder 32 that has performed the measurement and the position accuracy are associated with each other;
- a component type data storage step S4 for storing component type data for associating a component type specifying code for specifying the component type of the component with at least one of the component external dimension and the allowable position accuracy of the component type;
- Feeder component type for determining a combination of a plurality of tape feeders F5 to F8 and component types P5 to P8 of the component P stored in the carrier tape 5 based on the position accuracy data and the component type data in the component type determination step S5
- the decision method can be presented.
- the part type determination step S5 can be automatically performed by the job management computer 93. Therefore, the labor of the operator is greatly saved and the production efficiency of the printed circuit board K can be increased.
- the feeder identification code of the tape feeder 32 and the part P stored in the carrier tape 5 Code identification step S31 for identifying the product identification code, position accuracy reading step S32 for reading the position accuracy of the tape feeder 32 identified by the identified feeder identification code from the position accuracy data, and identification by the identified component type identification code
- the component type reading step S33 for reading at least one of the component outer dimension and the allowable position accuracy of the corresponding component type from the component type data, the positional accuracy of the read tape feeder 32, the read component outer dimension and the allowable level of the corresponding component type Based on at least one of the positional accuracy And Pufida 32 and determines the combination determination step S34 a combination of whether the component type of the carrier tape 5 in housed components P, can present feeder varieties determination method having.
- the job management computer 93 can automatically determine whether the combination of the component type of the component P stored in the tape feeder 32 and the carrier tape 5 can be performed. Therefore, the possibility of the operator loading the carrier tape 5 that is not appropriate to the tape feeder 32 is suppressed, and the production efficiency of the printed circuit board K can be increased.
- the parts P housed in the carrier tape 5 in use can be sequentially supplied to the supply position 32S, and the leading end 5T of the next use carrier tape 5 is placed in the preparation position (first pressing member 362).
- the next tape loading type tape feeder 32 that can be loaded up to the notch holding part 362K) of the bottom surface of the tape is used, and the position accuracy of the next tape loading type tape feeder 32 depends on the component type of the parts stored in the carrier tape 5 to be used next.
- the determined allowable position accuracy is severe, it is possible to present a feeder component type determination method that avoids loading the leading end portion of the next-use carrier tape 5 up to the preparation position of the next tape loading type tape feeder in the accuracy defect avoidance step.
- the insertion port 32E is half-opened when the carrier tape 5 to be used next is inaccurate, so that the operator incorrectly sets the carrier tape 5 to be used next. Will not be loaded. Therefore, the production efficiency of the printed circuit board K can be increased.
- the carrier tape 5 containing the component types P corresponding to the positions of the plurality of tape feeders 32 installed in the component supply device 3 is loaded into each tape feeder 32, and each tape feeder 32 is loaded.
- a feeder part type determination method that is performed when the parts P of each part type are set up in a state where they can be supplied to the respective supply positions 32S.
- the present invention when the in-machine setup step S8 is performed, the present invention is implemented, and the production efficiency of the printed circuit board K can be improved.
- the carrier tape 5 is loaded into a plurality of tape feeders 32 at a location distant from the component mounting machine 1 so that each tape feeder 32 can supply the components to the respective supply positions 32S. It is possible to present a feeder component type determination method that is performed when the feeders 32 are arranged on the support base 31 and arranged.
- next-use carrier tape in which components of the same component type are housed in the tape feeder 32 loaded with the carrier tape 5 that is out of components while the component mounter 1 is producing the printed circuit board K.
- a component that determines whether or not a combination of the positional accuracy of the tape feeder and at least one of the component external dimensions and the allowable positional accuracy determined by the component type of the component P stored in the next-use carrier tape 5 when loading 5 It is possible to present a feeder component type determination method that further includes a replenishment determination step S13.
- a component that is detachably equipped with a plurality of tape feeders 32 that respectively hold the carrier tape 5 that stores a plurality of components P at an equal pitch Lp and sequentially supply the components P to the respective supply positions 32S.
- a component mounter 1 including a supply device 3 and a component transfer device 4 that sucks the component P supplied to the supply position 32S and places the component P on the printed board K positioned at the mounting position.
- 32 is a feeder part type determining device for determining a combination of a part 32 and a plurality of part types of the part P stored in the carrier tape 5, and supplying position 32S of the supplied part P for at least a part of the tape feeders F1 to F8.
- Feeder inspection jig 91 for measuring the positional accuracy at the tape, the positional accuracy of the tape feeders F5 to F8 (error Er5 to Er8), and the component type P of the component P Tape feeders F5 to F8 and the carrier based on the external dimensions of the parts determined by ⁇ P8 and at least one of the allowable position accuracy (allowable position errors Av5 to Av8) when the parts are supplied to the supply position 32S by the tape feeder 32 It is possible to present a feeder component type determination device having a job management computer 93 that determines combinations of component types P5 to P8 of the components P stored on the tape 5.
- this embodiment can also be implemented as an apparatus, and each effect of the feeder part type determination method presented previously occurs.
- Component mounter 2 Board transfer device 3: Component supply device 31: Support base 32: Tape feeder 32E: Insert port 32S: Feeding position 33: Feeder housing 34: Rail 35: Tape feeding mechanism 36: Next use tape control Mechanism 37: Control unit 39: Reel holding unit 4: Component transfer device 5: Carrier tape 5T: Front end 51: Base tape 511: Storage recess 52: Cover tape 53: Bottom tape 6: Measuring tape 61: Measuring marker 8: Machine base 91 Feeder inspection jig 911: Support base 912: Communication socket 913: Imaging camera 914: Jig control unit 92: Host computer 93: Job management computer K: Printed circuit board P: Parts Lp: Pitch
Abstract
Description
31:支持台 32:テープフィーダ 32E:挿入口
32S:供給位置 33:フィーダ筺体 34:レール
35:テープ送給機構 36:次使用テープ制御機構
37:制御部 39:リール保持部
4:部品移載装置
5:キャリアテープ 5T:先端部 51:ベーステープ
511:収納凹部 52:カバーテープ 53:ボトムテープ
6:測定用テープ 61:測定用マーカ
8:機台
91フィーダ検査治具 911:支持台
912:通信用ソケット 913:撮像カメラ
914:治具制御部
92:ホストコンピュータ 93:ジョブ管理コンピュータ
K:プリント基板 P:部品 Lp:ピッチ
Claims (10)
- 複数の部品を等ピッチで収納したキャリアテープをそれぞれ保持して前記部品をそれぞれの供給位置に順次供給する複数のテープフィーダを着脱可能に装備する部品供給装置と、前記供給位置に供給された部品を吸着して装着実施位置に位置決めされたプリント基板に装着する部品移載装置とを備えた部品実装機で、前記複数のテープフィーダと前記キャリアテープに収納された部品の複数の部品種との組合せを決定するフィーダ部品種決定方法であって、
前記テープフィーダの少なくとも一部について、前記供給位置での位置精度を測定する位置精度測定ステップと、
前記テープフィーダの前記位置精度と、前記部品の部品種によって定まる部品外形寸法および当該部品が前記テープフィーダによって前記供給位置に供給されたときの許容位置精度の少なくとも一方とに基づいて、前記テープフィーダと前記キャリアテープに収納された部品の部品種との組合せを決定する部品種決定ステップと、を有するフィーダ部品種決定方法。 - 前記部品種決定ステップで、
前記テープフィーダの前記位置精度が高いほど前記部品外形寸法が小さい部品種と組み合わせ、前記テープフィーダの前記位置精度が低いほど前記部品外形寸法が大きい部品種と組み合わせ、
あるいは、前記テープフィーダの前記位置精度が高いほど前記許容位置精度が厳しい部品種と組み合わせ、前記テープフィーダの前記位置精度が低いほど前記許容位置精度が緩い部品種と組み合わせる請求項1に記載のフィーダ部品種決定方法。 - 前記部品種決定ステップは、前記テープフィーダの前記位置精度よりも前記部品の部品種によって定まる許容位置精度が厳しい場合に、当該テープフィーダと当該部品種との組合せを回避する精度不良回避ステップを包含する請求項1または2に記載のフィーダ部品種決定方法。
- 前記位置精度測定ステップに続いて、
前記測定を行ったテープフィーダを特定するフィーダ特定コードと前記位置精度とを対応付けした位置精度データを記憶する位置精度記憶ステップと、
前記部品の部品種を特定する部品種特定コードと、当該部品種の部品外形寸法および許容位置精度の少なくとも一方とを対応付けした部品種データを記憶する部品種データ記憶ステップと、をさらに有し、
前記部品種決定ステップで、前記位置精度データおよび前記部品種データに基づいて、前記複数のテープフィーダと前記キャリアテープに収納された部品の部品種との組合せを決定する請求項1~3のいずれか一項に記載のフィーダ部品種決定方法。 - 前記部品種決定ステップに続いて、
前記テープフィーダに前記キャリアテープを装填する際に、当該テープフィーダのフィーダ特定コードおよび当該キャリアテープに収納された部品の部品種特定コードを識別するコード識別ステップと、
前記識別されたフィーダ特定コードにより特定されるテープフィーダの位置精度を前記位置精度データから読み取る位置精度読取ステップと、
前記識別された部品種特定コードにより特定される当該部品種の部品外形寸法および許容位置精度の少なくとも一方を前記部品種データから読み取る部品種読取ステップと、
前記読み取ったテープフィーダの位置精度と、前記読み取った当該部品種の部品外形寸法および許容位置精度の少なくとも一方とに基づいて、当該テープフィーダと当該キャリアテープに収納された部品の部品種との組合せの可否を判定する組合せ判定ステップと、をさらに有する請求項4に記載のフィーダ部品種決定方法。 - 使用中のキャリアテープに収納された部品を前記供給位置に順次供給可能であるとともに、次使用のキャリアテープの先端部を準備位置まで装填可能な次テープ装填形テープフィーダを用い、
前記次テープ装填形テープフィーダの位置精度よりも前記次使用のキャリアテープに収納された部品の部品種によって定まる許容位置精度が厳しい場合に、前記精度不良回避ステップで、前記次使用のキャリアテープの先端部を前記次テープ装填形テープフィーダの準備位置まで装填することを回避する請求項5に記載のフィーダ部品種決定方法。 - 前記部品供給装置に装備された前記複数のテープフィーダの位置に応じた部品種の部品を収納したキャリアテープを各前記テープフィーダに装填して、各前記テープフィーダが各前記部品種の部品をそれぞれの供給位置に供給できる状態に段取りする場合に実施する請求項1~6のいずれか一項に記載のフィーダ部品種決定方法。
- 前記部品実装機から離れた場所で前記複数のテープフィーダに前記キャリアテープを装填して、各前記テープフィーダが前記部品をそれぞれの供給位置に供給できる状態とし、各前記テープフィーダの並び順を整列させて段取りする場合に実施する請求項1~6のいずれか一項に記載のフィーダ部品種決定方法。
- 前記部品実装機が前記プリント基板を生産している途中で、部品切れとなるキャリアテープが装填されたテープフィーダに同じ部品種の部品を収納した次使用キャリアテープを装填するときに、当該テープフィーダの位置精度と、前記次使用キャリアテープに収納された部品の部品種によって定まる部品外形寸法および許容位置精度の少なくとも一方との組合せの可否を判定する部品補給時判定ステップをさらに有する請求項1~8のいずれか一項に記載のフィーダ部品種決定方法。
- 複数の部品を等ピッチで収納したキャリアテープをそれぞれ保持して前記部品をそれぞれの供給位置に順次供給する複数のテープフィーダを着脱可能に装備する部品供給装置と、前記供給位置に供給された部品を吸着して装着実施位置に位置決めされたプリント基板に装着する部品移載装置とを備えた部品実装機で、前記複数のテープフィーダと前記キャリアテープに収納された部品の複数の部品種との組合せを決定するフィーダ部品種決定装置であって、
前記テープフィーダの少なくとも一部について、前記供給位置での位置精度を測定する位置精度測定手段と、
前記テープフィーダの前記位置精度と、前記部品の部品種によって定まる部品外形寸法および当該部品が前記テープフィーダによって前記供給位置に供給されたときの許容位置精度の少なくとも一方とに基づいて、前記テープフィーダと前記キャリアテープに収納された部品の部品種との組合せを決定する部品種決定手段と、
を有するフィーダ部品種決定装置。
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WO2023062680A1 (ja) * | 2021-10-11 | 2023-04-20 | 株式会社Fuji | 管理装置、および管理方法 |
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CN105474769A (zh) | 2016-04-06 |
EP3038443A1 (en) | 2016-06-29 |
US20160212897A1 (en) | 2016-07-21 |
US10130019B2 (en) | 2018-11-13 |
JP6334538B2 (ja) | 2018-05-30 |
JPWO2015025383A1 (ja) | 2017-03-02 |
EP3038443A4 (en) | 2016-09-21 |
EP3038443B1 (en) | 2020-10-21 |
CN105474769B (zh) | 2018-12-21 |
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