Classifications

• • 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
  • H05K13/086—Supply management, e.g. supply of components or of substrates

Definitions

• the invention relates to a method for providing components for a placement system with at least one placement for automatically loading printed circuit boards with components.
• the components to be used are stored in so-called component magazines, wherein in each case a component magazine each gleicharti ⁇ ge components are stored.
• the invention relates to a method for operating a production facility for electronic assemblies.
• the component magazines are typically provided with bar code labels ⁇ containing the type and possibly also the amount in the respective component magazineumblenom- menen components. This bar code is read by means of a reading device and transmitted to a control device of the respective placement machine. Likewise entspre ⁇ sponding feed segments of the component feeding device the placement are provided with a bar code which indicates the position of the individual feed segments. This bar code is read by means of a reading device and transmitted to a control device of the respective placement machine. Likewise entspre ⁇ sponding feed segments of the component feeding device the placement are provided with a bar code which indicates the position of the individual feed segments. This bar code is read by means of a reading device and transmitted to a control device of the respective placement machine. Likewise entspre ⁇ sponding feed segments of the component feeding device the placement are provided with a bar code which indicates the position of the individual feed segments. This bar code is read by means of a reading device and transmitted to a control device of the respective placement machine. Likewise entspre
• Barcode is also read and transmitted to the control device.
• the component type can be assigned to the respective feed segment, so that the so-called armor of the placement machine can be controlled in a simple manner.
• EP 229256 A2 a production plant for automatic ⁇ assembly and testing of electronic printed circuit boards is known in which all the resources required for the production equipment are controlled by a comprehensive computer hierarchy. In this way, the set-up time of individual placement machines can be reduced.
• a master computer manages cell computers assigned to the individual placement machines.
• DE 10007898 A1 discloses a system for equipping
• Substrates with electronic components are connected via data lines to a storage warehouse in which the in magazines assembled components are kept ready.
• An automated transport device connects the Vorratsla ⁇ ger with refill depots, which are arranged in the vicinity of the placement devices.
• a writing device of the material store describes a discrete data carrier with characteristics as well as with the target data of the magazines.
• the data carrier is fixed to the magazine, which can then be assigned to the transport container and transferred to it with the transport device.
• the transport means transports the magazine to a Nach Stahlbachdepot located th near the Be Glaautoma ⁇ which has made a corresponding demand signal for providing further components.
• the invention has for its object to provide a method for providing components for a placement system with at least one placement, which method allows effective and reliable armor of the placement, so that is always ensured in a simple manner that the individual component types ever - Weil be provided to the intended Zunaturalspuren the placement.
• the invention is further based on the object of specifying a method for storing components in a component bearing, which method enables efficient and at the same time safe storage of the components in corresponding Lagerbe ⁇ container, so that always a secure association between the type of embedded components and the respective storage container can be produced.
• the invention has for its object to provide a method for the operator of a manufacturing plant for electronic assemblies, which in an advantageous manner of an above-mentioned method for providing components as well as a method for storing components makes use of.
• a method for providing components for a placement system is provided with at least one placement for automatically populating printed circuit boards with components, wherein the components are stored in so-called component magazines together with each similar components.
• the inventive method comprises the following steps: (a) transferring the component magazines of at least one bearing are such that the component magazine in a form suitable for placement spatial sequence arranged ⁇ container directly or immediately to a magazine receiving device, ( b) checking whether the transferred component magazines are each arranged at a predetermined receiving position of the magazine receiving device, and, if a component magazine is not arranged at the predetermined receiving position, converting the relevant component magazine to the correct receiving position, (c) transporting the magazine receiving device to a placement machine; and (d) coupling the magazine receiving device to a component feeding section of the placement machine.
• the inventive method is based on the idea that a set-up process in which the individual component magazines or types of components are provided on respectively suitable supply tracks of component supply areas, by an immediate reloading of the component magazines of a Storage container takes place in a suitable magazine receiving device, which can be coupled with the feed tracks of a placement.
• a suitable magazine receiving device which can be coupled with the feed tracks of a placement.
• the suitable spatial sequence is determined in a known manner by methods for determining the optimal armor of a placement machine.
• the individual component types are provided on the individual supply tracks in such a way that a placement head of the placement machine has to cover the smallest possible transport paths during the corresponding placement procedure. In this way, as a result, a rapid and therefore cost-effective assembly can be performed.
• the components can be provided with a comparatively low manual effort the individual placement of the placement system.
• the transfer of the component magazines is caused by a corresponding order of a data processing system, which is coupled to a placement machine controlling the central computer.
• the data processing system which, for example, a so-called Enterprise Resource Planning System (ERP system) is to be installed on its own data processing system or on a host computer controlling the entire placement system.
• ERP system Enterprise Resource Planning System
• the initiation of the transfer of the component magazine can thus be carried out automatically in an advantageous manner, so that the setup of the magazine receiving device can be relatively timely to a production start.
• changes occurring at short notice in the production process in the armor of the magazine receiving device can be taken into account so that the provision of the components can not only be rapid but also flexible, without delays in the placement sequence.
• the number of available components are monitored, which are stored in the at least one storage container.
• the transfer of the component magazines takes place by means of an automatic magazine handling device.
• This may be useful, in particular, for the storage of the components in a high-bay warehouse, with a so-called lifting beam device preferably being able to be used as the magazine handling device.
• lifting beam device preferably being able to be used as the magazine handling device.
• Such devices are known, for example, picking systems with which goods are transferred, for example, for mail order from a large warehouse into individual containers.
• the check is made whether the übergebe- NEN component magazines are located at the predetermined accommodation position ⁇ respectively, by means of a control device.
• the control device is preferably assigned to a so-called setup workstation.
• the setup workstation which can also be referred to as a setup station, is preferably arranged close to the storage of the storage containers.
• the control device is beispielswei ⁇ se a bar code scanner or a data receiving device for signals that are emitted by a transponder.
• the component magazines are provided with a corresponding bar code which indicates the respective component magazine or the type and optionally also the number of components recorded in the component magazine.
• the component magazines are provided with corresponding transponders, in which also the type or the number of in the respective Component magazine contained components is stored in the form of a corresponding data signal.
• the transport of the magazine receiving device to a placement takes place even before the end of a previous placement procedure, are equipped with the components of another magazine-receiving device.
• Such buffering of magazine receiving ⁇ devices has the advantage that a change from the other magazine receiving device to the magazine receiving device leads to no longer downtime of the placement in question.
• the transport of the magazine receiving device to a placement machine by means of an automatic storage transport system takes place.
• the personnel expense can be reduced for the operation of a TOTAL ⁇ th electronics factory on beneficial ⁇ exemplary manner.
• a particularly rapid transport of the components can be ensured by the Bauele ⁇ ment camp toward the respective placement machine by the use of an automatic warehouse transport system.
• Apart from programming errors of the automatic storage transport system can also be ensured that the magazine-receiving devices are each transported to the right placement, so that the security of the armor for the individual placement is not reduced by possibly long transport routes between storage and placement system.
• the component magazines are so-called containers, in which the components are individually stored in Transportta ⁇ rule of a component belt.
• a method for storing components in a component storage is specified, stored in each case the same components in a component magazine and provided by means of a magazine recording device ⁇ a placement of a placement for automatic placement of printed circuit boards but not used.
• Said process fol comprises ⁇ constricting steps of: (a) disconnecting the magazine receiving device from a component supply portion of the placement machine, (b) transporting the magazine receiving device to a Abrüst station, and (c) transferring the component magazines directly to at least a storage container.
• the inventive method is based on the finding that the personnel costs during the storage of component magazines that have not been completely emptied in a previous placement process can be reduced by that the respective component magazines UNMIT ⁇ telbar of the magazine Receiving device are transferred to appropriate storage containers.
• at least partially refilled storage containers can then be stored, for example, in a high-bay warehouse.
• a so-called lifting beam device can be used for storage in the high-bay warehouse.
• the term magazine receiving device is understood to mean a device which can be coupled directly to an automatic placement machine so that the individual component magazines are each assigned to a specific supply track of the placement machine and the corresponding components be provided via this feed track the placement process.
• the controlling can be carried out preferably by means of a control ⁇ device which is assigned to the workplace Abrüst-the.
• the Abrüst workstation may be identical to a workplace described above, are handed over in the context of the provision of components for the placement component component magazines to a magazine receiving device.
• the Abrüst workstation is located close to a corresponding warehouse in which the storage containers are kept. This has the advantage that when filling the storage container only short transport routes are covered, so that the storage of the component magazines with a lower expenditure on equipment (in the case of automatic storage by means of a shelf control unit) or with a small staff effort (in Case of manual storage) can take place.
• the control device is, for example, a bar code reader with which bar codes attached to the component magazines are compared with bar codes attached to the storage containers.
• the control device can also be a data receiving device for so-called transponder signals, which transponder signals are emitted by corresponding transponders which are arranged on the component magazines or on the respective storage container.
• the storage system may be preferred be organized in such a way that is single ⁇ Lich stored for one type of device in each storage container.
• an association between the component magazine to be transferred, the number of components remaining in the respective component magazine and the respective storage container, to which the component magazine is transferred, is undertaken.
• This assignment is then stored in a data processing system.
• the data processing system is constantly updated, with the update not only being brought up to date with the storage of partially emptied component magazines, but also with the storage of newly delivered component magazines.
• the transport of the magazine receiving device to the Abrüst workstation by means of an automatic storage transport system.
• This can be achieved in a simple manner that the storage of partially emptied component magazines can be realized on the one hand with a lower personnel costs and on the other hand with short Transportzei ⁇ th.
• a method for operating a production facility for electronic assemblies comprises (a) providing components for a placement unit with at least one placement by means of an embodiment of the above method for providing devices, (b) using at least a subset of the ready ge ⁇ set components for populating printed circuit boards and ( c) the storage of components in a component bearing by means of an embodiment of the above method for storing components.
• the inventive method is based on the finding that the operation of the manufacturing plant and a entspre ⁇ -reaching storage of components or component magazines can be synchronized in an advantageous manner. By constantly recording the actual amount consumed
• Components can thus be promptly triggered reorders, so that it is always ensured that the neces ⁇ sary components are actually present in the component bearing.
• the synchronous operation between placement system and storage has the further advantage that the so-called pit stop, that is, a replacement of magazine receiving devices can be made very quickly at a placement.
• pit stop that is, a replacement of magazine receiving devices
• the inventive method provides a complete implementation of the so-called track and trace principle, that is a complete control over the entire Lagerbe ⁇ stand and on the production process.
• the manufacturing plant which has a placement system and corresponding storage areas comprises, can thus be realized in an advantageous manner with a high storage density and thus with an area savings.
• the implemented track and trace principle enables a high level of flexibility with possibly necessary short-term changes to the placement programs to be carried out.
• the method due to the complete con- described herein requires troll of the total inventory and requirementsablau ⁇ fes a significantly smaller storage of components or component magazines.
• inventories of components or component magazines can be reduced by up to 20 to 30%.
• the cost of capital for inventories can be reduced by about 25%.
• the method described also allows a significantly improved productivity in particular by reduced downtime in so-called pit stops, with which magazine receiving devices are exchanged for a placement.
• machine downtime ⁇ stands a machine utilization of nearly 100%.
• the times for the handling of component magazines and for the necessary set-up control, which is carried out in the described method independently of the respective placement machine, reduced by up to 90% become. This results in a total reduction of the throughput time for the assembly of individual printed circuit boards by up to 30%.
• Fig. 1 to 6 a method for operating a manufacturing plant for electronic assemblies.
• the procedure for operating a manufacturing plant for electronic assemblies begins with an order start by an Enterprise Resource P_lanning system (ERP system).
• ERP system Enterprise Resource P_lanning system
• all component magazines including the respective Magazingrö ⁇ SSE are detected, which are mounted in a bearing 100, which is shown schematically in FIG. 1.
• only jobs are started, which is given sufficient material availability ⁇ on stored components.
• various storage containers 110, 112 and / or 114 are removed from the warehouse 100, for example by means of an automatic storage and retrieval unit.
• component magazines 111 are mounted with a type A component.
• the storage container 112 contains component magazines 113 with Bauele ⁇ ment of type B and includes the storage vessel 114 Bauelement- Magazine 115 with components of the type C.
• the Bauelement- magazines 111, 113 and 115 each container, which are realized by means of a bobbin on which a component belt is wound.
• the component straps each have a plurality of component pockets, in each of which a component of the corresponding type is located.
• the storage containers 110, 112 and 114 which are now shown schematically by the storage container 210, are transferred to a so-called setup workstation 230.
• This transport is preferably just ⁇ if by means of an automatic transport system.
• the setup workstation 230 which is also used as a setup workstation. can be recorded comprises a computer 232.
• the computer is provided with a control device 231, which is a bar code reader according to the embodiment shown here.
• An operator 240 extracts from the respective Lagerbenzol ⁇ tern 210 component magazines 211, 213 and 215, respectively, which with components of type A, type B are filled or of type C.
• the component magazines 211, 213 and 215 are then placed in a magazine receiving device 220, which is a so-called rescue vehicle 220 according to the embodiment shown here.
• the operator 240 sets, the individual containers 211, 213 and 215 in such a manner in the rescue vehicle 220, that the Bauele ⁇ ment magazines 211, 213 and 215 arranged in a for a Be Glaau ⁇ tomato proper spatial sequence.
• this spatial sequence of the operator 240 is displayed on a display or on a monitor of the computer 232.
• the operator 240 picks up the bar code reader 231 and thereby detects a first bar code provided on the storage container 210, a second bar code provided on the setup car 220, and bar codes respectively attached to the individual containers 211. 213 and 215 are attached.
• the correct positioning of the respective component magazines 211, 213 or 215 in the setup vehicle 220 can be verified and, on the other hand, an exact association between the storage container 210, the setup vehicle 220 or the individual component magazines 211, 213 and 215 be made.
• the identification of the individual component magazines 211, 213 and 215 instead of the bar code can also take place, for example, by means of transponders or RFID (Radio Frequency Identification) and a corresponding reading device.
• the rescue vehicle 220 after being fully loaded and the corresponding armor verified, is transported to the production line. This is done manually by an operator 340 shown in FIG.
• several Jost biengen can be stored in the vicinity of the placement line 320 which Wilsonstracegen 320 each having a Kunststoffliche under ⁇ armor with receptacles 311, 313 and 315.
• By means of such stocking or buffering of setup carts 320 it can be ensured that replacement from a previous setup car to the next setup car 320 can take place very quickly. In this way, those with a Standstill times associated with such pit stop can be significantly reduced in the placement machine.
• the actual production of the electronic assemblies takes place after a change of the setup carriages 420.
• a Be Divisionstrom 451 which has one or more placement machines 450, also a printing of printed circuit boards and possibly also a soldering of the printed circuit boards done for example by means of a so-called reflow oven.
• a so-called reflow oven During production is continuously detects the actual consumed amount of components, so that any necessary Nachbestellun ⁇ gene of components that are in the storage 100 is not sufficient availability present, early out ⁇ can be redeemed.
• type A components from the component magazine 411, type B components from the component magazine 413, and type C components from the component magazine 415 are removed.
• all the component magazines 411, 413 and 415 are accommodated in the magazine receiving device or the setup vehicle 420, which is coupled to the feed unit of the respective placement machine 450.
• a deactivation workstation 530 is preferably identical to the setup workstation 230 shown in FIG. 2 (see FIG. 2).
• a Remove service person 540 from the Ganstwagen 520 not completely de ⁇ empty component magazines 511, 513 and 515 and insert them into corresponding storage container 510.
• there is a detection of bar codes which are attached to the containers 511, 513 and 515 and to the storage container 510 and optionally also to the Hinstwagen 520.
• This detection of barcodes allows an accurate assignment of the Lagerbenzol ⁇ ter 510 and the components therein.
• in addition to the type of inserted component and the number of inserted components is detected and stored in the above-mentioned ERP system. In this way, a constant overview of the exact inventory of individual components can be ensured.
• the storage preferably takes place automatically by appropriate handling or storage and retrieval equipment.
• the disassembled material that is, the components not used in previous assembly procedures, is immediately available for new jobs for assembling printed circuit boards.
• a production system 451 for electronic ⁇ specific modules wherein the set-up of magazine receiving devices 220 with component magazines 111, 113, 115 and a corresponding setup control immediately after removal of the component magazines 111, 113, 115 Lagerbe ⁇ containers 110, 112, 114 takes place.
• a reader 231 is used, which is coupled to a central data processing system ⁇ 232nd
• the data processing system 232 is in turn connected to individual placement machines
• Component magazines 611, 613, 615 take place in an analogous manner, with the corresponding component magazines 611, 613, 615 being transferred directly from the corresponding magazine receiving device 520 into a storage container 610, 612, 614.
• a precise assignment of the respectively stored component magazines 611, 613, 615 takes place with regard to the embedded component type and the component quantity.
• Corresponding information is automatically transferred to the data processing system 532. Thus, an accurate overview of the current inventory is always guaranteed.

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• Engineering & Computer Science (AREA)
• Operations Research (AREA)
• Manufacturing & Machinery (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Supply And Installment Of Electrical Components (AREA)
• General Factory Administration (AREA)
• Warehouses Or Storage Devices (AREA)

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• 2006
  • 2006-05-12 DE DE102006022371A patent/DE102006022371A1/de not_active Ceased
• 2007
  • 2007-04-12 EP EP07728003A patent/EP2018797A1/de not_active Withdrawn
  • 2007-04-12 WO PCT/EP2007/053535 patent/WO2007131843A1/de active Application Filing
  • 2007-04-12 CN CNA2007800172862A patent/CN101444152A/zh active Pending

Non-Patent Citations (1)

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