WO2016203571A1 - 実装システム - Google Patents
実装システム Download PDFInfo
- Publication number
- WO2016203571A1 WO2016203571A1 PCT/JP2015/067448 JP2015067448W WO2016203571A1 WO 2016203571 A1 WO2016203571 A1 WO 2016203571A1 JP 2015067448 W JP2015067448 W JP 2015067448W WO 2016203571 A1 WO2016203571 A1 WO 2016203571A1
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- WO
- WIPO (PCT)
- Prior art keywords
- measurement
- mounting
- electronic component
- measuring
- request information
- 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
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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
- H05K13/0015—Orientation; Alignment; Positioning
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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
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0404—Pick-and-place heads or apparatus, e.g. with jaws
- H05K13/0408—Incorporating a pick-up tool
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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
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/046—Surface mounting
- H05K13/0465—Surface mounting by soldering
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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
- H05K13/082—Integration of non-optical monitoring devices, i.e. using non-optical inspection means, e.g. electrical means, mechanical means or X-rays
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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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09818—Shape or layout details not covered by a single group of H05K2201/09009 - H05K2201/09809
- H05K2201/09918—Optically detected marks used for aligning tool relative to the PCB, e.g. for mounting of components
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/16—Inspection; Monitoring; Aligning
- H05K2203/163—Monitoring a manufacturing process
Definitions
- the present invention relates to a mounting system for mounting electronic components on a circuit board, and more particularly to a mounting system including a measuring device for measuring the electrical characteristics of the electronic components.
- some electronic component mounting machines that mount electronic components on a circuit board include a measuring device for measuring electrical characteristics of the electronic components (for example, Patent Document 1).
- This measuring device measures, for example, inductance, capacitance, resistance, and the like as the electrical characteristics of the electronic component.
- the electronic component mounting machine disclosed in Patent Document 1 is configured so that the measurement device can be exchanged, and the electrical characteristics of various electronic components are measured by exchanging measurement devices with different arrangements of measurement terminals. It is possible to do.
- this type of electronic component mounting machine by measuring the electrical characteristics of the electronic component, it becomes possible to prevent mismounting of the electronic component and manage traceability such as deviation of the electrical characteristic of the electronic component.
- a production line by arranging a solder printer, a board inspection machine, a reflow machine, and the like.
- a plurality of modularized electronic component mounting machines may be arranged in series to construct a production line.
- the frequency of measuring the electronic component by the measuring device that is, the frequency of use of the measuring device is lower than the frequency of mounting the electronic component on the circuit board. Therefore, when a measuring device is installed for each electronic component mounting machine, an increase in cost related to installation becomes a problem compared to the frequency of use of the measuring device.
- the present invention has been made in view of the above problems, and provides a mounting system capable of reducing the number of measuring devices for measuring the electrical characteristics of electronic components in a mounting system including a plurality of mounting machines. With the goal.
- a mounting system for mounting electronic components on a circuit board, a measurement unit provided in each of the plurality of mounting machines, and a connection to the measurement unit
- a measuring device for measuring the electrical characteristics of the electronic component
- a switching device for connecting the measuring device to a measuring unit provided in any one of the plurality of mounting machines, and controlling the switching device.
- a control device that switches connection between the measurement device and the measurement unit, and the control device receives the request information for measuring the electronic component from at least one mounting device among the plurality of mounting devices. And measuring processing for measuring by connecting the measuring unit of the mounting machine that has transmitted the request information to a measuring device.
- the measuring device is connected to a measuring unit provided in each of a plurality of mounting machines.
- the switching device switches connection between the measurement device and the plurality of measurement units based on control of the control device.
- the control device receives request information from the mounter that it wants to measure the electrical characteristics of the electronic component, it controls the switching device and connects the measuring unit of the mounter that sent the request information to the measurement device. And measure.
- the control device receives request information from the mounter that it wants to measure the electrical characteristics of the electronic component, it controls the switching device and connects the measuring unit of the mounter that sent the request information to the measurement device. And measure.
- the mounting system is based on the electrical characteristics in the measurement path that connects the measurement device and the measurement unit provided in any one of the plurality of mounting machines.
- the storage device stores a correction value for correcting the measured error
- the control device reads the correction value corresponding to the measurement path used for measurement from the storage device and sets it in the measurement device when executing the measurement process. It may be configured to execute value setting processing.
- the characteristic impedance of a measurement path (such as a measurement cable) that connects the switching device and the measurement unit varies depending on various factors such as installation conditions such as cable length and differences in state.
- the storage device stores a correction value corresponding to the electrical characteristics of the measurement path.
- the control device sets a correction value corresponding to the measurement path in the measurement device.
- the measurement device can correct the measurement value error according to the electrical characteristics of the measurement path, and more accurately measure the electrical characteristics of the electronic component.
- the mounting system includes a correction value measurement process in which the control device measures a correction value by the measurement device in a state where the electronic component is not connected to the measurement unit, and a storage device that stores the measured correction value Whether correction value measurement processing has been completed for all the measurement routes corresponding to each of the plurality of mounting machines, correction value storage processing to be stored in, measurement route switching processing for switching the measurement route by controlling the switching device It may be configured to execute completion determination processing for determining.
- the control device causes the measurement device to measure the correction value, and stores the measured correction value in the storage device. Further, the control device determines whether or not the measurement of the correction value has been completed for all the measurement paths. Thereby, for example, the control device can automatically execute the process of sequentially measuring the correction values of the plurality of measurement paths and storing them in the storage device.
- a plurality of mounting machines transmit related information related to mounting work in each mounting machine to the control apparatus in association with the request information.
- a priority setting process that sets priorities for multiple request information based on the related information is executed.
- the structure to do may be sufficient.
- the mounting machine adds related information for determining the priority of the request information to the request information and transmits the request information to the control device.
- the control device sets an appropriate priority for the request information by determining the related information, and responds to the request information with a high priority. It is possible to execute the measurement process first.
- the mounting system determines whether at least one mounting machine among a plurality of mounting machines has received a characteristic measurement value obtained by measuring an electrical characteristic of an electronic component with a measuring device.
- the reception determination processing to be performed and the mounting priority processing for preferentially mounting the electronic component different from the electronic component to be measured on the circuit board when the characteristic measurement value is not received may be executed.
- the mounting machine mounts an electronic component different from the electronic component to be measured on the circuit board until the characteristic measurement value is received from the measuring device. This makes it possible to shorten the mounting time required to mount all electronic components on the circuit board and improve manufacturing efficiency compared to when mounting is stopped until a characteristic measurement value is received. Become.
- each of the plurality of mounting machines transmits the request information to the control device according to at least one of power-on, electronic component replenishment, and electronic component replacement.
- the configuration may be such that request information transmission processing is performed for transmission.
- the mounting system it is possible to optimize the timing of use of the measuring device and reduce the frequency of use by performing measurement of the electronic component when the mounting machine is turned on or when the electronic component is replenished. As a result, it is possible to share the measuring device by more mounting machines.
- FIG. 1 It is a figure which shows the structure of the mounting system of embodiment. It is a perspective view of an electronic component mounting apparatus. It is the top view which showed the electronic component mounting apparatus from the viewpoint from upper direction. It is a figure which shows the structure of a measurement stand typically. It is a block diagram which shows the structure of a mounting machine. It is a block diagram which shows the structure of a control apparatus. It is a flowchart which shows operation
- FIG. 1 shows a configuration of a mounting system 10 of the present embodiment.
- the mounting system 10 includes a plurality (two in FIG. 1) of electronic component mounting devices 11, a switching device 12, a control device 13, and a measuring device 14 arranged along the production line.
- the mounting system 10 measures the electrical characteristics of the electronic component 140 (see FIG. 4) used by the mounting machine 16 included in the plurality of electronic component mounting devices 11 using one measuring device 14.
- FIG. 2 is a perspective view of the electronic component mounting apparatus 11
- FIG. 3 is a plan view showing the electronic component mounting apparatus 11 with a cover and the like removed from a viewpoint from above.
- the electronic component mounting device 11 is a device for mounting the electronic component 140 on the circuit board CB (see FIG. 8).
- the electronic component mounting apparatus 11 includes one system base 15 and two mounting machines 16 arranged side by side on the system base 15. In the following description, the direction in which the mounting machines 16 are arranged is referred to as the X-axis direction, and the horizontal direction perpendicular to the direction is referred to as the Y-axis direction.
- Each mounting machine 16 mainly includes a mounting machine main body 20, a transport device 22, a mounting head moving device (hereinafter sometimes abbreviated as “moving device”) 24, a supply device 26, and a mounting head 28.
- the mounting machine main body 20 includes a frame portion 30 and a beam portion 32 that is overlaid on the frame portion 30.
- the transport device 22 includes two conveyor devices 40 and 42.
- the two conveyor devices 40 and 42 are disposed in the frame portion 30 so as to be parallel to each other and extend in the X-axis direction.
- Each of the two conveyor devices 40 and 42 conveys the circuit board CB supported by the conveyor devices 40 and 42 in the X-axis direction by an electromagnetic motor 46 (see FIG. 5).
- the circuit board CB is fixedly held by the board holding device 48 (see FIGS. 5 and 8) at a predetermined position.
- the moving device 24 is an XY robot type moving device.
- the moving device 24 includes an electromagnetic motor 52 (see FIG. 5) that slides the slider 50 in the X-axis direction and an electromagnetic motor 54 (see FIG. 5) that slides in the Y-axis direction.
- a mounting head 28 is attached to the slider 50. The mounting head 28 moves to an arbitrary position on the frame unit 30 by driving the two electromagnetic motors 52 and 54.
- the supply device 26 is a feeder-type supply device, and is disposed at the front end of the frame portion 30.
- the supply device 26 has a tape feeder 70.
- the tape feeder 70 accommodates the taped component in a wound state.
- the taped component is a taped electronic component 140 (see FIG. 4).
- the tape feeder 70 sends out the taped parts by the delivery device 76 (see FIG. 5).
- the feeder type supply device 26 supplies the electronic component 140 at the supply position by feeding the taped component.
- the tape feeder 70 can be attached to and detached from the frame unit 30 and can cope with the replacement of the electronic component 140 and the like.
- the mounting head 28 mounts the electronic component 140 (see FIG. 4) on the circuit board CB (see FIG. 8).
- the mounting head 28 has a suction nozzle 78 provided on the lower end surface.
- the suction nozzle 78 communicates with a positive / negative pressure supply device 80 (see FIG. 5) via negative pressure air and positive pressure air passages.
- the suction nozzle 78 sucks and holds the electronic component 140 with a negative pressure, and releases the held electronic component 140 with a positive pressure.
- the mounting head 28 has a nozzle lifting device 86 (see FIG. 5) that lifts and lowers the suction nozzle 78. By driving the nozzle lifting / lowering device 86, the mounting head 28 changes the vertical position of the electronic component 140 to be held.
- the mounting machine 16 includes a mark camera 90 (see FIG. 5) and a parts camera 92 (see FIGS. 2 and 3).
- the mark camera 90 is fixed to the lower surface of the slider 50 while facing downward.
- the slider 50 is moved by the moving device 24 so that an arbitrary position on the frame unit 30 can be imaged.
- the parts camera 92 is provided in the frame unit 30 between the transport device 22 and the supply device 26 in a state of facing upward, and images the electronic component 140 held by the suction nozzle 78 of the mounting head 28. .
- a work tool station 94 is provided in the frame section 30 between the conveying device 22 and the supply device 26, which is lateral to the parts camera 92 in the X-axis direction.
- the work tool station 94 stores suction nozzles 78 having various shapes and the like, and performs an operation of exchanging the suction nozzle 78 mounted on the mounting head 28 and the stored suction nozzle 78.
- a disposal box 96 is provided on the side opposite to the work tool station 94 with respect to the parts camera 92 in the X-axis direction. The disposal box 96 is for discarding the electronic component 140 that is not suitable to be mounted on the circuit board CB.
- a measurement unit 110 is provided on the system base 15 that is on the side of the tape feeder 70 in the X-axis direction and on the side of the tape feeder 70 with respect to the disposal box 96.
- a measurement table 113 is provided on the measurement unit 110.
- FIG. 4 schematically shows the structure of the measurement table 113.
- a terminal unit 100 is provided on the measurement table 113.
- the measurement device 14 illustrated in FIG. 1 is electrically connected to the terminal unit 100 of any one measurement unit 110 of the plurality of mounting machines 16 by switching the switching device 12.
- the mounting system 10 connects the electronic component 140 before being mounted on the circuit board CB to the terminal unit 100, and measures electrical characteristics by the measuring device 14.
- the measurement unit 110 is configured to be detachable from a slot provided in the apparatus main body of the mounting machine 16, for example, as with the tape feeder 70. Therefore, the measurement unit 110 can be transferred to another unit having a different type of terminal unit 100 or another mounting machine 16.
- the terminal unit 100 is a movable terminal that is fixedly provided with respect to the measurement table 113 and a movable terminal that is disposed to face the fixed terminal unit 101A and can change a relative distance between the fixed terminal unit 101A.
- the fixed terminal portion 101A has a probe (probe) 102A made of a thin conductor and pressed against the electrode 140A of the electronic component 140.
- the movable terminal portion 101B includes a probe (probe) 102B made of a thin conductor and pressed against the electrode 140B of the electronic component 140.
- the movable terminal portion 101B moves in the direction of the arrow shown in FIG. 4 when the electromagnetic motor 105 (see FIG. 5) provided in the measurement unit 110 is driven.
- the movable terminal portion 101B is driven with a substantially constant pressing force toward the fixed terminal portion 101A.
- the component holding unit 115 stably holds the posture of the electronic component 140 such that the electrode 140A of the electronic component 140 faces the probe 102A and the electrode 140B provided on the opposite side of the electrode 140A faces the probe 102B.
- the probe 102A When the movable terminal portion 101B is moved from the state shown in FIG. 4 toward the fixed terminal portion 101A, the probe 102A is brought into pressure contact with the electrode 140A on one side of the electronic component 140 to conduct, and the electrode 140B on the other side. The probe 102B is brought into pressure contact with and is conducted. As a result, the electrical characteristics of the electronic component 140 can be measured.
- the numbers and positions of the probes 102A and the like shown in FIG. 4 and the numbers and positions of the electrodes 140A and the like of the electronic component 140 are examples, and may be appropriately changed depending on the type of the electronic component 140. Further, the measurement unit 110 may include a plurality of types of fixed terminal portions 101A and movable terminal portions 101B according to the types of electronic components 140.
- the device control unit 120 of the mounting machine 16 includes a controller 122 and a plurality of drive circuits 126.
- the plurality of drive circuits 126 are connected to the electromagnetic motors 46, 52, 54, 105, the substrate holding device 48, the delivery device 76, the positive / negative pressure supply device 80, and the nozzle lifting / lowering device 86.
- the controller 122 includes a CPU, a ROM, a RAM, and the like, mainly a computer, and is connected to a plurality of drive circuits 126.
- the controller 122 controls the transport device 22 and the like via the drive circuit 126.
- the controller 122 is connected to an image processing device 128 that processes image data obtained by the mark camera 90 and the part camera 92. Thereby, the controller 122 acquires various types of information from the image data.
- the controller 122 is connected to the network NW via the external interface 127.
- the controller 122 can exchange data with the control device 13 and the measurement device 14 via the network NW.
- the mounting machine 16 can perform the mounting operation with the mounting head 28 on the circuit board CB held by the transfer device 22.
- the controller 122 controls the transfer device 22 to transfer the circuit board CB to the work position, and the circuit board CB is fixedly held by the board holding device 48 at the work position.
- the controller 122 drives the tape feeder 70 to send out a taped component (electronic component 140) and supply the electronic component 140 at the supply position.
- the controller 122 moves the mounting head 28 above the supply position of the electronic component 140 and causes the suction nozzle 78 to hold the electronic component 140 by suction.
- the controller 122 moves the mounting head 28 above the circuit board CB and mounts the electronic component 140 held by the mounting head 28 on the circuit board CB.
- FIG. 1 ⁇ Other configuration of mounting system 10>
- FIG. 1 when a plurality of mounting machines 16 and the like are distinguished from each other, an alphabet is added after the reference numeral and the description is referred to as “mounting machine 16 ⁇ / b> A”. Further, when it is not necessary to distinguish between the plurality of mounting machines 16 and the like, the description will be made without adding an alphabet such as “mounting machine 16”.
- the switching device 12 is connected to the terminal portion 100 of the measurement unit 110 of each mounting machine 16 via a measurement cable 131.
- the switching device 12 is connected to the control device 13 via the I / O cable 133.
- the control device 13 is a personal computer, for example, and controls the switching device 12 by communication via the I / O cable 133.
- FIG. 6 shows a part of the configuration of the control device 13 and shows a part related to the present application.
- the control device 13 includes a network interface 151, an I / O interface 153, a CPU 155, a memory 156, and a storage unit 157, and these devices are connected via an internal bus 159.
- the network interface 151 is connected to the network NW via a LAN cable, for example.
- the I / O interface 153 is connected to the switching device 12 via the I / O cable 133.
- the CPU 155 executes the processing program P1 stored in the storage unit 157 to execute processing of request information D1 for requesting various functions, for example, measurement from the mounting machine 16.
- the memory 156 is, for example, a RAM, and is a working memory used when the processing program P1 is executed by the CPU 155.
- the storage unit 157 is a storage device including a ROM, a hard disk, and the like, for example.
- the storage unit 157 stores characteristic measurement values D2 and eigenvalues D3, which will be described later, in addition to the processing program P1 and the request information D1 described above.
- the switching device 12 shown in FIG. 1 is connected to any one terminal unit 100 among the terminal units 100A to 100D of the plurality of measurement units 110A to 110D based on the control of the control device 13.
- the switching device 12 is connected to the measuring device 14 via the measurement cable 135.
- the measuring device 14 is connected to any one of the terminal portions 100A to 100D via the switching device 12. Therefore, the mounting system 10 according to the present embodiment has a configuration in which one measuring device 14 is shared by the four mounting machines 16.
- the measuring device 14 is electrically connected to the probes 102A and 102B connected to the electrodes 140A and 140B of the electronic component 140 in a state of being connected to the terminal unit 100 of the measuring unit 110.
- the characteristic can be measured. Specifically, the capacitance is measured for the electronic component 140 such as a capacitor, and the resistance value is measured for the electronic component 140 such as a resistance element or a diode.
- the measuring device 14 transmits the acquired characteristic measurement value D2 to the control device 13.
- the control device 13 transmits the characteristic measurement value D2 received from the measurement device 14 to the device control unit 120 of the mounting machine 16 connected to the switching device 12.
- each of the device control units 120A to 120D can acquire the characteristic measurement value D2 measured by the measurement device 14.
- Each of the device control units 120A to 120D of the mounting machines 16A to 16D repeatedly executes the processing shown in FIG. 7 after being activated, for example.
- the controller 122 of the device control unit 120 determines whether or not an event that requires the electronic component 140 to be measured has occurred in the step (hereinafter referred to as a unit “S”) 11 in FIG. 7.
- the mounting head 28 sucks and holds the electronic component 140 supplied by the tape feeder 70, and the electronic component 140 is mounted on the circuit board CB.
- the display device A screen for prompting replacement of the tape feeder 70 or the like is displayed. Then, according to the display screen, for example, the worker replaces the tape feeder 70.
- the operator replenishes the electronic component 140 by performing splicing that joins a replenishing tape to a reel tape around which a carrier tape holding the electronic component 140 is wound. Further, even when the type of the mounting board to be manufactured is changed, the worker replaces the tape feeder 70 according to the type of the electronic component 140 to be used.
- the operator may mistakenly replace the tape feeder 70 in which the electronic component 140 different from the electronic component 140 to be mounted is stored.
- a parts manufacturer may deliver a tape feeder 70 in which an electronic component 140 different from the regular electronic component 140 is taped.
- the electrical characteristics of the electronic component 140 are measured, and it is determined whether or not the appropriate electronic component 140 has been replenished. is doing.
- erroneous mounting can be detected by measuring the electrical characteristics of several electronic components 140 supplied from the replaced tape feeder 70.
- the event that needs to be measured for the electronic component 140 is not limited to the replenishment of the electronic component 140 described above, and may be, for example, when the electronic component mounting apparatus 11 is turned on.
- the controller 122 may sequentially measure the electronic components 140 of the tape feeder 70 that are mounted when the electronic component mounting apparatus 11 is turned on.
- the controller 122 repeatedly executes the determination process of S11 until an event that requires measurement occurs (S11: NO). Further, when an event requiring measurement occurs (S11: YES), the controller 122 starts a process of moving the electronic component 140 to the measurement table 113 (S13).
- FIG. 8 schematically shows an operation in which the mounting head 28 transfers the electronic component 140 to the measuring unit 110.
- the mounting head 28 moves the electronic component 140 in the order indicated by arrows A 1 and A 2 shown in FIG. 8 and transports the electronic component 140 to the measurement unit 110.
- the mounting head 28 moves to the supply position of the electronic component 140 of the tape feeder 70 and sucks and holds the electronic component 140 by the suction nozzle 78.
- the mounting head 28 moves to above the parts camera 92.
- the controller 122 performs imaging by the parts camera 92 in accordance with the movement of the mounting head 28. Based on the imaging data, the controller 122 determines whether the outer shape of the electronic component 140 is within an allowable error range, whether the suction posture is good, and the like.
- the controller 122 moves the mounting head 28 to the measuring unit 110 as shown by the arrow A2, and places the electronic component 140 on the component holding unit 115. For example, when the outer shape is out of the allowable error range, the controller 122 controls the mounting head 28 so that the electronic component 140 sucked by the suction nozzle 78 is discarded in the disposal box 96.
- the controller 122 moves the movable terminal portion 101 ⁇ / b> B (see FIG. 4) to make it possible to measure (S ⁇ b> 13).
- the controller 122 transmits request information D1 for requesting measurement to the control device 13 via the network NW (see FIG. 1) (S15).
- the controller 122 includes, for example, identification information (device ID) for identifying the plurality of mounting machines 16 included in the request information D1 and transmits the request information D1. Thereby, the control apparatus 13 can determine the mounting machine 16 of the transmission source based on the identification information.
- the controller 122 executes other work, for example, a work that can be processed in advance even during the execution of the measurement process, such as a process of mounting another type of electronic component 140 on the circuit board CB (S17). ).
- a work that can be processed in advance even during the execution of the measurement process such as a process of mounting another type of electronic component 140 on the circuit board CB (S17).
- the controller 122 periodically determines whether or not the characteristic measurement value D2 that is the measurement result of the measurement device 14 has been received from the control device 13 (S19). The controller 122 repeatedly executes the preceding process of S17 until the characteristic measurement value D2 is received (S19: NO).
- the mounting head 28 sucks and holds an electronic component 140 of a type different from the electronic component 140 that is measuring from the supply position of the corresponding tape feeder 70, It moves to above the circuit board CB while passing through the upper part of the parts camera 92.
- the controller 122 processes the image data picked up by the parts camera 92, and executes determination and correction work for errors in the outer shape, position, and orientation of the electronic component 140 sucked and held by the suction nozzle 78. Then, the mounting head 28 mounts the electronic component 140 on the circuit board CB.
- the controller 122 determines the content of the characteristic measurement value D2 (S21). For example, the controller 122 allows the received measurement result to be within an allowable range based on the standard, performance, nominal value (specification value), etc. of the electronic component 140 set in the control data for mounting the electronic component 140 on the circuit board CB. It is determined whether it is in.
- the control data here is data for controlling the mounting machine 16 in which the position where the electronic component 140 is mounted on the circuit board CB, the slot position of the tape feeder 70 that supplies the electronic component 140, and the like are set.
- the controller 122 determines the content of the characteristic measurement value D2 and determines that the electronic component 140 is mountable (S21: YES), the information that can be mounted as the status of the tape feeder 70 that has supplied the measured electronic component 140. Is set (S23), and the measurement process is terminated. In addition, for example, the controller 122 executes the processing from S11 again, and starts the mounting operation of the electronic component 140 whose measurement result is good. Further, the controller 122 stores and holds the set status information in a memory or the like until the tape feeder 70 corresponding to the status information is replaced.
- the controller 122 determines the content of the characteristic measurement value D2 and determines that it is not the mountable electronic component 140 (S21: NO), it cannot be mounted as the status of the tape feeder 70 that supplied the measured electronic component 140.
- Information is set (S25), and the measurement process is terminated. For example, the controller 122 notifies the user that the measurement result is an error on the display screen or the like. As a result, the user can take appropriate measures such as replacing the problematic tape feeder 70.
- FIG. 9 shows a process of receiving the request information D1 by the control device 13.
- the control device 13 executes the processing program P1 (see FIG. 6) by the CPU 155, and repeatedly executes the processing shown in FIG.
- control device 13 determines whether or not the request information D1 is received from any of the mounting machines 16A to 16D via the network NW.
- the control device 13 repeatedly executes the determination process of S31 until the request information D1 is received (S31: NO).
- the control device 13 when receiving the request information D1 (S31: YES), the control device 13 stores the received request information D1 in the memory 156 (see FIG. 6) or the storage unit 157 (S33). The control device 13 determines the source mounting machine 16 based on the identification information of the mounting machine 16 included in the request information D1, and responds to the transmission source mounting machine 16 that the reception of the request information D1 has been completed. (S35). The control device 13 ends the process shown in FIG. 9 and starts the process from S31 again.
- the control device 13 performs a process of reading the request information D1 from the memory 156 in S41 of FIG. In this process, when a plurality of request information D1 is stored in the memory 156, the control device 13 performs processing in order from the request information D1 previously stored in the memory 156, for example.
- the processing order of the request information D1 by the control device 13 may be another method.
- the control device 13 may preferentially process the request information D1 having a large number of mounting points on the circuit board CB of the electronic component 140 that has been requested to be measured. If the operation of the electronic component 140 having a large number of mounting points is stopped, it is considered that the operation of mounting other types of electronic components 140 has a large influence. Therefore, the electronic component 140 having a large number of mounting points should be processed first. Is valid.
- the controller 122 attaches information on the number of mounting points of the electronic component 140 to be measured to the request information D1 and transmits it to the control device 13.
- the control device 13 can determine and set the priority of the request information D1 based on the information on the number of attachment points (an example of related information) attached to the received request information D1.
- the control device 13 performs processing in preference to the request information D1 of the mounting machine 16 that has the most types of electronic components 140 that need to be measured among the mounting machines 16 that are transmitting the request information D1. Also good. For example, when it is necessary to measure five types of electronic components 140, the mounting machine 16 ⁇ / b> A attaches information (an example of related information) indicating that there are four remaining measurement plans to the request information D ⁇ b> 1 to the control device 13. Send. In addition, when it is necessary to measure six types of electronic components 140 at the same time, the mounting machine 16B attaches information indicating that there are five remaining measurement plans to the request information D1, and transmits the information to the control device 13. .
- the control device 13 gives priority to the request information D1 of the mounting machine 16B having many types of electronic components 140 that need to be measured, based on the related information attached to the request information D1 stored in the storage unit 157. Process. As a result, it is possible to prevent the manufacturing of the mounting machine 16B having the largest number of electronic components 140 to be measured from becoming a bottleneck and reducing the production efficiency of the mounting system 10.
- control device 13 is not limited to the above-described example.
- the control device 13 performs processing in preference to the request information D1 of the mounting machine 16 that has the longest production time for producing one circuit board CB among the mounting machines 16 that are transmitting the request information D1. May be.
- the control device 13 may execute a combination of the plurality of priority determination methods described above.
- control device 13 controls the switching device 12 to connect the mounting device 16 and the measurement device 14 corresponding to the request information D1 read from the storage unit 157 in S41 (S43).
- the control device 13 reads the eigenvalue D3 corresponding to the mounting machine 16 connected to the switching device 12 from the storage unit 157, and transmits the eigenvalue D3 read via the network NW to the measuring device 14 (S45).
- the characteristic impedance of the measurement path such as the measurement cables 131A to 131D
- the storage unit 157 of the control device 13 stores eigenvalues D3 corresponding to the mounting machines 16A to 16D in advance.
- the measurement device 14 corrects the measurement result based on the eigenvalue D3 received from the control device 13, thereby suppressing the influence of the characteristic impedance of the measurement path and accurately measuring the characteristic measurement value D2. .
- the control device 13 transmits an instruction to start measurement to the measurement device 14 after transmitting the eigenvalue D3 to the measurement device 14 in S45 (S47).
- the control device 13 transfers the received characteristic measurement value D2 to the mounting machine 16 that has transmitted the request information D1 (S49).
- the controller 122 of the mounting machine 16 detects that the characteristic measurement value D2 has been received from the control device 13 in S19 of FIG.
- the user can start the processing shown in FIG. 11 for the mounting system 10 by operating the control device 13 and executing a predetermined processing program P1. For example, when the user starts for the first time after introducing the mounting system 10 into the factory, when a part of the mounting system 10 is exchanged, when the measurement cable 131 is replaced, or when the measuring device 14 or the switching device 12 is replaced. The eigenvalue D3 is measured when the position is changed.
- the control device 13 controls the measurement device 14 and the mounting machine 16 connected to the measurement device 14, and the eigenvalue corresponding to the mounting device 16 currently connected to the measurement device 14. D3 is measured.
- the control device 13 stores the eigenvalue D3 measured by performing the above open correction and the like in the storage unit 157 (S53).
- the control device 13 performs processing for associating and storing the ID and the like of the mounting machine 16 that has performed the measurement with the eigenvalue D3 (S53).
- the control device 13 stores in the storage unit 157 information related to the mounting machine 16 that has finished measuring the eigenvalue D3.
- the control device 13 determines whether or not the measurement of the eigenvalue D3 for all the mounting machines 16 has been completed based on the information of the measured mounting machines 16 stored in the storage unit 157 (S55). When the measurement is not completed (S55: NO), the control device 13 controls the switching device 12 to switch the mounting machine 16 (S57), and executes the processing from S51 for the next mounting device 16. Moreover, the control apparatus 13 complete
- the mounting machine 16 is an example of a mounting machine.
- the terminal unit 100 of the measurement unit 110 is an example of a measurement unit.
- the memory 156 is an example of a buffer unit.
- the storage unit 157 is an example of a storage device.
- the process of S11 and S15 in FIG. 7 is an example of a request transmission process.
- the process of S17 is an example of a mounting priority process.
- the process of S19 is an example of a reception determination process.
- the process of S41 in FIG. 10 is an example of a priority setting process.
- the processing of S43 and S47 is an example of measurement processing.
- S45 is an example of a correction value setting process.
- S51 in FIG. 11 is an example of a correction value measurement process.
- the process of S53 is an example of a correction value storing process.
- the process of S55 is an example of a completion determination process.
- the eigenvalue D3 is an example of a correction value.
- the control device 13 controls the switching device 12 to connect the mounting device 16 and the measurement device 14 corresponding to the request information D1 read from the storage unit 157 in S41 of FIG. 10 (S43).
- the control device 13 transmits an instruction to start measurement to the measurement device 14 (S47) and receives the characteristic measurement value D2 from the measurement device 14, the mounting device 16 that has requested the measurement for the received characteristic measurement value D2. (S49).
- the purpose of measuring the electrical characteristics of the electronic component 140 is, for example, management of traceability and elimination of inappropriate components in addition to preventing erroneous mounting of the tape feeder 70. Understanding how much the characteristic measurement value D2 of the electronic component 140 deviates from the nominal value (specification value) is important in terms of traceability management and the like.
- the inexpensive electronic components 140 there are inappropriate components whose characteristics exceed the error range.
- the electrical characteristics of the electronic component 140 supplied from the same reel often do not change greatly, and it is considered that the error of the electrical characteristics can be sufficiently evaluated by measurement by sampling. Specifically, for example, it is conceivable to measure several parts after parts replacement. This makes it possible to manage traceability and eliminate inappropriate parts.
- the control device 13 reads the eigenvalue D3 corresponding to the mounting machine 16 connected to the switching device 12 from the storage unit 157, and transmits the eigenvalue D3 read via the network NW to the measurement device 14 (FIG. 10). S45).
- the measurement device 14 corrects the measurement result based on the eigenvalue D3 received from the control device 13, thereby suppressing the influence of the characteristic impedance of the measurement path and accurately measuring the characteristic measurement value D2. .
- the control device 13 measures the eigenvalue D3 corresponding to the measurement path of the mounting machine 16 connected to the measurement device 14, and stores the measured eigenvalue D3 in the storage unit 157 ( S53).
- the control device 13 controls the switching device 12 to switch the mounting machines 16 (S57), and the next mounting machine 16 is switched. Then, the eigenvalue D3 is measured. Thereby, the control device 13 can automatically save the eigenvalues D3 of the measurement paths corresponding to all the mounting machines 16 in the storage unit 157 in advance.
- the controller 122 attaches the information on the number of mounting points of the electronic component 140 to be measured to the control device 13 in S15 of FIG. Based on the information on the number of attachment points attached to the request information D1 (as an example of related information), the control device 13 preferentially processes the request information D1 having a large number of attachment points.
- the control device 13 preferentially processes the request information D1 having a large number of attachment points.
- the controller 122 is directed to the control device 13 via the network NW according to the timing at which the electronic component 140 needs to be measured, such as the timing at which the electronic component 140 is replenished (S11 in FIG. 7: YES).
- Request information D1 is transmitted (S15).
- the timing of measurement that is, the timing of using the measuring device 14 is optimized, the frequency of use of the measuring device 14 is reduced as much as possible, and more measuring devices 14 can be supplied by more mounting machines 16. Become.
- the present invention is not limited to the above-described embodiment, and various modifications and changes can be made without departing from the spirit of the present invention.
- the eigenvalue D3 is stored in the storage unit 157 of the control device 13.
- the present invention is not limited thereto, and for example, the eigenvalue D3 required by each of the mounting machines 16 is stored in a memory or the like. It may be configured.
- the measurement value is corrected using the eigenvalue D3 corresponding to each measurement path. However, the same correction value may be used for a plurality of measurement paths, or correction is not performed. Also good.
- control apparatus 13 measured and preserve
- control apparatus 13 implemented priority processing with respect to several request information D1 according to the number of mounting points etc., it does not need to implement priority processing not only in this. For example, the control apparatus 13 may process sequentially from the request information D1 received previously.
- the mounting machine 16 preferentially performed other work
- the timing which transmits the request information D1 from the mounting machine 16 to the control apparatus 13 is an example, and it is good also as a structure which transmits the request information D1 at another timing.
- the configuration and connection of the device in the above embodiment are examples, and can be changed as appropriate.
- the control device 13 and the switching device 12 are provided as separate devices from the measuring device 14, but one of the control device 13 and the switching device 12 may be configured by the measuring device 14 and one device. . Or you may comprise the control apparatus 13, the switching apparatus 12, and the measuring device 14 by one apparatus.
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Abstract
Description
<実装システムの構成>
図1は、本実施形態の実装システム10の構成を示している。実装システム10は、製造ラインに沿って配置された複数(図1では2台)の電子部品装着装置11と、切替装置12と、制御装置13と、計測装置14とを備えている。実装システム10は、1台の計測装置14を使用して複数の電子部品装着装置11が有する装着機16で使用する電子部品140(図4参照)の電気的特性を計測する。
まず、電子部品装着装置11の構成について説明する。図2及び図3に、電子部品装着装置11を示す。図2は、電子部品装着装置11の斜視図であり、図3は、カバー等を外した状態の電子部品装着装置11を上方からの視点で示した平面図である。電子部品装着装置11は、回路基板CB(図8参照)に電子部品140を実装するための装置である。電子部品装着装置11は、1つのシステムベース15と、そのシステムベース15の上に並んで配設された2つの装着機16とを有している。なお、以下の説明では、装着機16の並ぶ方向をX軸方向と称し、その方向に直角な水平の方向をY軸方向と称する。
テープフィーダ70に対しX軸方向の側方であって、廃棄ボックス96に対してテープフィーダ70側となるシステムベース15の上には、計測ユニット110が設けられている。計測ユニット110の上には、計測台113が設けられている。図4は、計測台113の構造を模式的に示している。計測台113には、端子部100が設けられている。後述するように、図1に示す計測装置14は、切替装置12を切り替えることによって、複数の装着機16の何れか一つの計測ユニット110の端子部100と電気的に接続される。実装システム10は、回路基板CBに実装する前の電子部品140を端子部100に接続し、計測装置14によって電気的特性を計測する。
図5に示すように、装着機16の装置制御部120は、コントローラ122と複数の駆動回路126とを備えている。複数の駆動回路126は、上記した電磁モータ46,52,54,105、基板保持装置48、送出装置76、正負圧供給装置80、及びノズル昇降装置86に接続されている。コントローラ122は、CPU,ROM,RAM等を備え、コンピュータを主体とするものであり、複数の駆動回路126に接続されている。コントローラ122は、駆動回路126を介して、搬送装置22等を制御する。
装着機16は、上述した構成によって、搬送装置22に保持された回路基板CBに対して、装着ヘッド28によって装着作業を行うことが可能とされている。具体的には、コントローラ122は、搬送装置22を制御して、回路基板CBを作業位置まで搬送し、作業位置において基板保持装置48によって回路基板CBを固定的に保持させる。また、コントローラ122は、テープフィーダ70を駆動して、テープ化部品(電子部品140)を送り出し、電子部品140を供給位置において供給する。そして、コントローラ122は、電子部品140の供給位置の上方に装着ヘッド28を移動させ、吸着ノズル78によって電子部品140を吸着保持させる。コントローラ122は、回路基板CBの上方に装着ヘッド28を移動させ、装着ヘッド28が保持している電子部品140を回路基板CB上に装着させる。
図1に戻り、実装システム10の他の部分の構成について説明する。なお、以下の説明では、図1に示すように、複数の装着機16等を区別して説明する場合には、符号の後にアルファベットを付し「装着機16A」等と称して説明する。また、複数の装着機16等を区別する必要がない場合には、「装着機16」等とアルファベットを付さずに説明する。
次に、電子部品140の電気的特性を計測する際の装着機16の動作について、図7を参照しつつ、説明する。各装着機16A~16Dの装置制御部120A~120Dの各々は、例えば、起動された後に図7に示す処理を繰り返し実行する。装置制御部120のコントローラ122は、まず、図7のステップ(以下、単位「S」と記載)11において、電子部品140を計測する必要があるイベントが発生しているか否かを判定する。
次に、電子部品140の電気的特性を計測する際の制御装置13の動作について、図9及び図10を参照しつつ、説明する。図9は、制御装置13による要求情報D1を受信する処理を示している。制御装置13は、例えば、起動された後に処理プログラムP1(図6参照)をCPU155で実行し、図9に示す処理を繰り返し実行する。
次に、固有値D3を計測する動作について図11を参照しつつ、説明する。例えば、ユーザは、制御装置13を操作し所定の処理プログラムP1を実行することで、図11に示す処理を実装システム10に対して開始させることが可能となっている。ユーザは、例えば、工場に実装システム10を導入してから初めて起動する場合、実装システム10の一部の交換等を実施した場合、測定ケーブル131を張り替えた場合、あるいは計測装置14や切替装置12等の位置を変更した場合等に、固有値D3の計測を行う。
<効果1>制御装置13は、図10のS41において記憶部157から読み出した要求情報D1に対応する装着機16と計測装置14を接続するため、切替装置12を制御する(S43)。制御装置13は、計測装置14に対して計測を開始する指示を送信し(S47)、計測装置14から特性計測値D2を受信すると、受信した特性計測値D2を、計測を要求した装着機16へ転送する(S49)。このような構成では、切替装置12によって接続を切り替えながら計測を行うことで、1台の計測装置14によって4台の装着機16で使用する電子部品140の電気的特性を計測することが可能となる。これにより、使用頻度に応じた台数の計測装置14を設置することで、製造コストの削減を図ることが可能となる。
例えば、上記実施形態では、固有値D3を、制御装置13の記憶部157に保存する構成であったが、これに限らず、例えば、装着機16の各々が必要な固有値D3をメモリ等に保存する構成でもよい。
また、上記実施形態では、各計測経路に応じた固有値D3を用いて計測値の補正を実施したが、複数の計測経路に対して同一の補正値を用いてもよく、あるいは補正を実施しなくともよい。
また、上記実施形態では、制御装置13は、複数の要求情報D1に対して、実装点数等に応じて優先処理を実施したが、これに限らず、優先処理を実施しなくともよい。例えば、制御装置13は、先に受信した要求情報D1から順次処理してもよい。
また、上記実施形態において、装着機16は、特性計測値D2を受信するまで、他の作業を優先して実行したが、これに限らず、特性計測値D2を受信するまで待機してもよい。
また、上記実施形態において、装着機16から制御装置13へ要求情報D1を送信するタイミングは一例であり、他のタイミングで要求情報D1を送信する構成としてもよい。
また、上記実施形態における装置の構成や接続は一例であり、適宜変更可能である。例えば、上記実施形態では、制御装置13や切替装置12を計測装置14と別の装置として設けたが、制御装置13及び切替装置12の一方を計測装置14と一つの装置で構成してもよい。あるいは、制御装置13、切替装置12及び計測装置14を一つの装置で構成してもよい。
Claims (6)
- 電子部品を回路基板に実装する複数の実装機と、
前記複数の実装機の各々に設けられる計測部と、
前記計測部と接続された前記電子部品の電気的特性を計測する計測装置と、
前記計測装置を、前記複数の実装機のうち何れか一つの実装機に設けられた前記計測部と接続する切替装置と、
前記切替装置を制御して前記計測装置と前記計測部との接続を切り替える制御装置と、を備え、
前記制御装置は、
前記複数の実装機のうち少なくとも一つの実装機から前記電子部品を計測する旨の要求情報を受信した場合に、前記切替装置を制御して、前記要求情報を送信した実装機の前記計測部を前記計測装置と接続して計測を行う計測処理を実行することを特徴とする実装システム。 - 前記計測装置と、前記複数の実装機のうち何れか一つの実装機に設けられた前記計測部との間を接続する計測経路における電気的特性に応じた計測誤差を補正する補正値を保存する記憶装置を備え、
前記制御装置は、前記計測処理を実行する際、計測に使用する前記計測経路に応じた前記補正値を前記記憶装置から読み出して前記計測装置に設定する補正値設定処理を実行することを特徴とする請求項1に記載の実装システム。 - 前記制御装置は、
前記電子部品を前記計測部に接続しない状態において、前記計測装置により前記補正値を計測する補正値計測処理と、
計測した補正値を前記記憶装置に保存する補正値保存処理と、
前記切替装置を制御して前記計測経路を切り替える計測経路切替処理と、
前記複数の実装機の各々に対応するすべての前記計測経路について、前記補正値計測処理が完了したか否かを判定する完了判定処理と、を実行することを特徴とする請求項2に記載の実装システム。 - 前記複数の実装機は、各実装機での実装作業に係わる関連情報を、前記要求情報に関連付けて前記制御装置に向けて伝送し、
前記制御装置は、前記要求情報及び前記関連情報を蓄積するバッファ部を有し、
前記バッファ部に複数の前記要求情報が蓄積されていた場合に、前記関連情報に基づいて複数の前記要求情報に優先度を設定する優先度設定処理を実行することを特徴とする請求項1乃至請求項3の何れかに記載の実装システム。 - 前記複数の実装機のうち少なくとも一つの実装機は、前記電子部品の電気的特性を前記計測装置によって計測した特性計測値を受信したか否かを判定する受信判定処理と、
前記特性計測値を受信していない場合に、計測対象の前記電子部品とは異なる電子部品を優先して前記回路基板に実装する実装優先処理と、を実行することを特徴とする請求項1乃至請求項4の何れかに記載の実装システム。 - 前記複数の実装機の各々は、電源投入、前記電子部品の補給、及び前記電子部品の交換のうち少なくとも一つに応じて、前記要求情報を前記制御装置に向けて送信する要求情報送信処理を実行することを特徴とする請求項1乃至請求項5の何れかに記載の実装システム。
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JP2019179808A (ja) * | 2018-03-30 | 2019-10-17 | パナソニックIpマネジメント株式会社 | 部品配置決定装置、部品配置決定方法、計測手段割り当て装置および計測手段割り当て方法 |
JP7190626B2 (ja) | 2018-03-30 | 2022-12-16 | パナソニックIpマネジメント株式会社 | 計測手段割り当て装置および計測手段割り当て方法並びにリソース配分決定方法 |
JP2021190644A (ja) * | 2020-06-03 | 2021-12-13 | ヤマハ発動機株式会社 | 表面実装機 |
JP7399794B2 (ja) | 2020-06-03 | 2023-12-18 | ヤマハ発動機株式会社 | 表面実装機 |
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EP3313163B1 (en) | 2020-04-01 |
EP3313163A1 (en) | 2018-04-25 |
CN108029242A (zh) | 2018-05-11 |
CN108029242B (zh) | 2019-11-01 |
US20180160577A1 (en) | 2018-06-07 |
EP3313163A4 (en) | 2018-05-30 |
US10470351B2 (en) | 2019-11-05 |
JP6498764B2 (ja) | 2019-04-10 |
JPWO2016203571A1 (ja) | 2018-04-05 |
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