WO1998058527A1 - Method for positioning of at least one component on a printed circuit board, method for handling a component and device for carrying out such method - Google Patents
Method for positioning of at least one component on a printed circuit board, method for handling a component and device for carrying out such method Download PDFInfo
- Publication number
- WO1998058527A1 WO1998058527A1 PCT/NL1998/000262 NL9800262W WO9858527A1 WO 1998058527 A1 WO1998058527 A1 WO 1998058527A1 NL 9800262 W NL9800262 W NL 9800262W WO 9858527 A1 WO9858527 A1 WO 9858527A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tool
- component
- printed circuit
- circuit board
- respect
- Prior art date
Links
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
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0404—Pick-and-place heads or apparatus, e.g. with jaws
- H05K13/0413—Pick-and-place heads or apparatus, e.g. with jaws with orientation of the component while holding it; Drive mechanisms for gripping tools, e.g. lifting, lowering or turning of gripping tools
-
- 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
- H05K13/081—Integration of optical monitoring devices in assembly lines; Processes using optical monitoring devices specially adapted for controlling devices or machines in assembly lines
- H05K13/0813—Controlling of single components prior to mounting, e.g. orientation, component geometry
Definitions
- Method for positioning of at least one component on a printed circuit board Method for handling a component and device for carrying out such method.
- the invention relates to a method for positioning of at least one component on a printed circuit board.
- the invention also relates to a method for handling a component and an apparatus suitable for carrying out such a method.
- plug and receptacle connectors are being assumed to have an array of electrical contact portions arranged in a plastic housing, with press-fit contact pins protruding outside the housing, for press-fit connection to plated through holes in the printed circuit board.
- connector application to a printed circuit board is conducted in two steps:
- the objective of the invention is to provide a method whereby the throughput cycle time is reduced and no connector pre- positioning frame is necessary.
- the object of the invention is obtained in that the component to be placed is detachably connected to a tool which tool is moved by means of a first positioning device to a measuring station, to determine the position of the component with respect to the tool, after which the tool together with the component to be placed is detachably connected to a second positioning device by means of which the component is accurately placed on the desired position on the printed circuit board, after which the tool is disconnected from the component.
- the component remains a fixed position with respect to the tool whilst the tool will be connected to several positioning devices, each having its own function. These functions can be performed simultaneously on different tools. Based on the measurements the component can be accurately placed on the desired position on the printed circuit board by the second positioning device.
- the objective of the invention is further more to provide a method whereby the orientation of the component has to be determined only once after which the component can be handled as desired.
- the objective of the invention is obtained in that the component to be handled is detachable connected to a tool which tool is moved by means of a first device to a measuring station, to determine the position of the component with respect to the tool, after which the tool together with the component to be handled it detachable connected to a second device by means of which the component is handled whereby from the position of the tool with respect to the second device, the position of the component with respect to the second device is known, and after handling of the component the tool is disconnected from the component.
- the invention also relates to an apparatus suitable for carrying out the method which apparatus is provided with at least two positioning devices, at least one tool which is detachably connected to both positioning devices and least one measuring station in which the position of a component to be placed can be determined with respect to said tool .
- the position of the component has to be determined only once after which the component together with the tool to which it is attached can be transferred from one positioning device to another whereby the information about the orientation and position of the component is maintained.
- a single machine is usable for connector placement on both top and bottom side of the printed circuit board.
- FIG. 1 is a schematic illustration showing the location and movement of tools in an application machine embodying the invention.
- Figs. 2A-I are schematic illustrations of the tooling sequence for a set of three tools.
- Fig. 3 is an isometric view of a tool loaded with connector modules, just prior to insertion into a printed circuit board.
- Fig. 4 is an isometric view of a first embodiment of a connector application machine.
- Fig. 5 is an isometric view of a second embodiment of a connector application machine.
- Fig. 6 is an isometric view of a third embodiment of a connector application machine.
- Fig. 7 is an exploded view of a connector application machine showing its modular construction.
- a preferred embodiment of equipment embodying the invention is a machine having a single placement/application head, coupled to a two stage robotic arm that sequentially moves between three stations, as shown in fig. 1. Such equipment is the subject of this description.
- Each product e.g. plug or receptacle, or group of products to be applied to a printed circuit board has a specific tool 12 fitting the contours of the product housing.
- Several such tools are located initially in a tool storage bay D.
- Each tool 12 has a reference index point, preferably defined by a locator pin L, used to determine the position of the tool in a user coordinate system resident in the software control system of the equipment.
- the equipment utilizes a sensing system, optical or otherwise, for sensing the position of locator pins L of each tool 12, and, thus the assembly that comprises the tool 12 and one or more connector modules 20 received on the tool.
- Computer programming resident in controls for the equipment indicates which specific product and its associated packaging tube-tray etc. is to be applied to the printed circuit board.
- a first robot head moves a specific tool from the storage bay D to station A.
- a second head may simultaneously pick a product out of packaging and locate the product at loading station B.
- the tool placed at station A is moved to station B to fit the product which is already available.
- these operations can be carried out by a single robot head 80 (fig. 4).
- the robot head 80 transports the tool with associated connector to station C, where an automated vision scanning unit measures the pin true position of all press-fit terminals of the connector with respect to this tool's locater pin L.
- this measurement step can be carried out as the robot head carries the loaded tool from station B to station A, without stopping at station C.
- the applicator head 26 of the insertion equipment transports the product with its associated tool 12 from station A to a desired printed circuit board location and aligns the product with associated corresponding holes in the printed circuit board.
- the product is inserted into the board under insertion force applied by the applicator head 26.
- a specific tool is integrated to a specific connector product or group of products.
- the pin position measurements with respect to its index point or locator pin L are unique for one assembled combination. Since this information is supplied to a computer, its unique location with respect to the corresponding printed circuit board hole array can be accurately computer controlled, up to and including the product application process.
- Figs.2A-I show an exemplary tool ing movement sequence. Each tool is identified by a discrete number 12', 12" or 12 '". Each of figs. 2A-I illustrates the operations taking place in one step of the sequence. The location of each tool at each step of the sequence is given in the following table. Tool seouence
- the tooling sequence given in the foregoing table can be modified, as previously suggested, to eliminate the product test station, but not the function.
- loaded tools would be transferred from station B directly to station A.
- Measurement of the true position location of the press-fit terminal pins with respect to locator L is made as the robot 40 (fig. 4) transfers the tooled tool from station B to station A.
- the computer registers and stores the reference measurement of the hole location on the printed circuit board by use of the board locator pin P (fig.3).
- the measurement of a subsequent applied product is compared with that of a previous product. If the deviation between products is large compared to that permitted within accepted values known for hole locations in printed circuit board, as can occur in batch-to-batch variance, the positioning mechanisms will attempt to find an optimum product location, as shown in fig. 3, with the corresponding hole array in a second pass, thus preventing unnecessary loss of an expensive product and process run.
- the need for a second pass can result from detection of an initial unsuccessful pass to insert the connector(s) in the printed circuit board.
- insertion is stopped if high insertion force, being indicative of misalignment, is encountered. Routines for position correction to allow insertion are known and are carried out as part of the second pass.
- the pin P is capable of being sensed by the previously mentioned position detection system.
- the equipment utilizes the position of the printed circuit board derived from pin P in controlling positioning of the tool 12 with respect to the printed circuit board.
- This system allows for statistical analysis and comparison of one product batch with a second batch of the same product. It also gives the opportunity to develop an optimum fit between products and the holes in the printed circuit board. Ultimately, this amounts to a productivity increase.
- Application machine uses the basic tool/product movement scheme previously described. They also provide additional features such as ease in accessibility and vision control by operator, board storage and transport in and out from work area, connector packaging options, and the ability to rotate the printed circuit board to allow insertion on both sides.
- Fig. 4 illustrates a first embodiment of press-fit application equipment.
- a printed circuit board 22 is placed in a carrier 23 from a vertically movable magazine 29.
- the printed circuit board 22 is displaced in the X-direction along rails 24 and 25 by movement of the carrier 23.
- the equipment is furthermore provided with a product storage station B in which connector products are provided within packaging trays 44, a product testing or measuring station C, a tool storage bay D and a delivery station A.
- the delivery station A is provided with a transport slide to move tools with or without products connected thereto in a first horizontal direction indicated by arrow PI and opposite thereto.
- a working head 26 is displaced in a second horizontal Y-direction over rail 27.
- This second horizontal direction Y extends perpendicular to the first horizontal direction PI.
- the equipment includes a sensing system (not shown) at C for sensing the location of the indicator pin L on tools 12 and a printed circuit board locating pin P (fig. 3) mounted on carrier 23.
- the required position of the printed circuit board 22 in the X- direction before insertion is determined by programming that utilizes position signals derived from pin P and from pin L.
- positioning of working head 26 in the Y-direction is determined by the coordinate system.
- the Z-direction product movement for pick-up of loaded tools from the slide of delivery station A, press-fit pin insertion into printed circuit board holes and return of unloaded tools on the slide of delivery station A is achieved by a vertical movement of working head 26.
- FIG. 4 also shows a Cartesian robot arm 40 having a pick-up head 80 with a capability to move sequentially the loaded and unloaded tools 12 between the storage bay D, product loading station B, testing station C and delivery station A respectively.
- the printed circuit board can be reversed automatically for two side connector application. This is achieved by lifting the board from its cradle 23 by means of a lifting mechanism, flipping the board over by operation of a motor 42 mounted on the lifting mechanism and subsequently lowering the board onto cradle or carrier 23.
- Fig. 5 shows a second machine embodiment with the product being provided in tubes 46.
- the articulated arm 48 provides the means to raise the printed circuit board 22 from carrier 23 so that the board can be turned over by the motor 42.
- Fig. 6 shows a third machine embodiment capable of removing products simultaneously from trays 44, tubes 46 and blister packaging from a reel 50.
- Connectors can also be supplied by means of a product configurator that pre-assembles a group of connector modules that are loaded on one of the tools 12. Such configuration is disclosed in provisional application Serial No. US 60/050.251 entitled pre- positioning product configurator, filed on July 19, 1997, the disclosure of which is incorporated herein by reference.
- fig. 7 shows the modular build-up of the machine units.
- the basic application equipment comprises the printed circuit board table and insertion unit comprising the elements 50 and 60.
- the Cartesian robot 40 To this assembly is added the Cartesian robot 40.
- a board turning unit 70 can be added to unit 50 for making double-sided printed circuit boards.
- a printed circuit board magazine unit 90 can be added for automatic printed circuit board feeding.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Operations Research (AREA)
- Supply And Installment Of Electrical Components (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69828280T DE69828280T2 (en) | 1997-06-19 | 1998-05-12 | METHOD FOR POSITIONING AT LEAST ONE COMPONENT ON A PCB AND DEVICE FOR CARRYING OUT THIS METHOD |
AU75539/98A AU7553998A (en) | 1997-06-19 | 1998-05-12 | Method for positioning of at least one component on a printed circuit board, method for handling a component and device for carrying out such method |
EP98923200A EP0990380B1 (en) | 1997-06-19 | 1998-05-12 | Method for positioning of at least one component on a printed circuit board and device for carrying out such method |
JP50420099A JP2002505040A (en) | 1997-06-19 | 1998-05-12 | Method of positioning at least one component on a printed circuit board, method of handling the component, and apparatus for performing the method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5025697P | 1997-06-19 | 1997-06-19 | |
US60/050,256 | 1997-06-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998058527A1 true WO1998058527A1 (en) | 1998-12-23 |
Family
ID=21964236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NL1998/000262 WO1998058527A1 (en) | 1997-06-19 | 1998-05-12 | Method for positioning of at least one component on a printed circuit board, method for handling a component and device for carrying out such method |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0990380B1 (en) |
JP (1) | JP2002505040A (en) |
AU (1) | AU7553998A (en) |
DE (1) | DE69828280T2 (en) |
WO (1) | WO1998058527A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6834428B2 (en) | 2002-04-24 | 2004-12-28 | Fci Americas Technology, Inc. | Connector press |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008033903A1 (en) * | 2008-07-18 | 2010-01-21 | Suss Microtec Test Systems Gmbh | Device and method for mounting a plurality of semiconductor devices on a target substrate |
CN105242194B (en) * | 2015-10-27 | 2018-01-23 | 苏州和瑞科自动化科技有限公司 | It is a kind of to be used for the circuit board testing system provided with vision positioning system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4486928A (en) * | 1981-07-09 | 1984-12-11 | Magnavox Government And Industrial Electronics Company | Apparatus for tool storage and selection |
US4631815A (en) * | 1985-12-18 | 1986-12-30 | Amp Incorporated | Pick-up head |
EP0293175A2 (en) * | 1987-05-28 | 1988-11-30 | Sanyo Electric Co., Ltd. | Parts mounting apparatus |
-
1998
- 1998-05-12 DE DE69828280T patent/DE69828280T2/en not_active Expired - Fee Related
- 1998-05-12 WO PCT/NL1998/000262 patent/WO1998058527A1/en active IP Right Grant
- 1998-05-12 EP EP98923200A patent/EP0990380B1/en not_active Expired - Lifetime
- 1998-05-12 AU AU75539/98A patent/AU7553998A/en not_active Abandoned
- 1998-05-12 JP JP50420099A patent/JP2002505040A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4486928A (en) * | 1981-07-09 | 1984-12-11 | Magnavox Government And Industrial Electronics Company | Apparatus for tool storage and selection |
US4631815A (en) * | 1985-12-18 | 1986-12-30 | Amp Incorporated | Pick-up head |
EP0293175A2 (en) * | 1987-05-28 | 1988-11-30 | Sanyo Electric Co., Ltd. | Parts mounting apparatus |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6834428B2 (en) | 2002-04-24 | 2004-12-28 | Fci Americas Technology, Inc. | Connector press |
US7225530B2 (en) | 2002-04-24 | 2007-06-05 | Fci Americas Technology, Inc. | Connector press |
Also Published As
Publication number | Publication date |
---|---|
AU7553998A (en) | 1999-01-04 |
EP0990380A1 (en) | 2000-04-05 |
JP2002505040A (en) | 2002-02-12 |
DE69828280T2 (en) | 2005-12-08 |
EP0990380B1 (en) | 2004-12-22 |
DE69828280D1 (en) | 2005-01-27 |
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