KR20170069047A - Production management system and method for SMT apparatus - Google Patents

Production management system and method for SMT apparatus Download PDF

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Publication number
KR20170069047A
KR20170069047A KR1020150176267A KR20150176267A KR20170069047A KR 20170069047 A KR20170069047 A KR 20170069047A KR 1020150176267 A KR1020150176267 A KR 1020150176267A KR 20150176267 A KR20150176267 A KR 20150176267A KR 20170069047 A KR20170069047 A KR 20170069047A
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South Korea
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line
smt equipment
smt
component
monitoring information
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KR1020150176267A
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Korean (ko)
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서길호
오덕환
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(주)진성전자
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
    • G06Q10/06395—Quality analysis or management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
    • 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

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  • Engineering & Computer Science (AREA)
  • Human Resources & Organizations (AREA)
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  • General Physics & Mathematics (AREA)
  • Development Economics (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Operations Research (AREA)
  • Game Theory and Decision Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
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  • Computer Networks & Wireless Communication (AREA)
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  • General Factory Administration (AREA)
  • Supply And Installment Of Electrical Components (AREA)

Abstract

The present invention provides operators with the frequency of occurrence of events occurring in SMT equipment during the process of mounting components on a printed circuit board, and when the components are mounted on a printed circuit board, the correct parts are provided in the correct line We propose a production management system for SMT equipment. To this end, the present invention is connected to the SMT equipment for each line, and generates the monitoring information by calculating the event occurring for each line on the time axis and the frequency of occurrence of the event, and displays the generated monitoring information on at least one display device positioned in the field, When one of the line-by-line monitoring information is selected by the user, at least one of the individual operation rate and the suction rate for the SMT equipment constituting each line is overlaid on the monitoring information.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a production management system and a SMT apparatus,

The present invention relates to a production management system and method of SMT equipment, and more particularly, to a system and method for manufacturing production of SMT equipment, more specifically, to provide an operator with a real-time status of events occurring in an SMT process including an hourly suction rate and an operation rate of SMT equipment, The present invention relates to a production management system and method for SMT equipment that can provide detailed information on equipment and determine whether the supplied parts are correct or correspond to the correct lines when reel-shaped parts are supplied to SMT equipment.

In general, when a printed circuit board is supplied through a substrate feeder (loader), the surface mount technology (SMT) equipment applies a solder face to a pattern on which surface mount components are mounted using a screen printer, When the parts are supplied to the surface mounting device through the surface mounting device, the corresponding parts are mounted on the pattern to which the solder paste is applied. The printed circuit board on which the parts are mounted is put into the reflow oven to dissolve the solder paste, .

This SMT equipment integrates a large number of parts on a printed circuit board in real time, and if an error occurs during the mounting operation, it affects the entire process speed, and it is not easy to reuse the parts in which the mounting error occurs. . In general, the cost of the parts to be discarded among the parts mounted on the SMT equipment is paid by the SMT equipment operator, so that the cost of the SMT equipment is reduced to the cost of the company that completes the printed circuit board, There is a problem that the defective rate of the printed circuit board increases.

On the other hand, in Japanese Patent Application Laid-Open No. 10-2009-0116553, there is proposed a method of using a 3D (Dimension) AOI for constructing a 3D image using an image obtained by illuminating an inspection object (a component of a printed circuit board) Have proposed. Open No. 10-2009-0116553 is directed to performing various inspections using a 2D image and a 3D image of a component. However, since it is detected and corrected after a mount failure occurs on a printed circuit board, The state of the printed circuit board in a state in which the mounting process is in progress can not be known.

An object of the present invention is to provide an operator with information on various events occurring in an SMT equipment, including the sucking rate of the parts and the operation rate of the parts in the process of mounting the parts on the printed circuit board in the SMT equipment, The present invention also provides a production management system and method for an SMT equipment.

According to the present invention, the above-mentioned object can be accomplished by generating monitoring information on any one of a process operation rate, an absorptance rate of a component, or an event generated for each line, connected to a SMT equipment for each line, Wherein at least one of the individual process operation rates and the sucking rate for the SMT equipment constituting each line is overlaid on the monitoring information when one of the monitoring information is selected by the user, Production management system.

The above object is accomplished by an SMT production management system connected to a network with a handy scanner and an SMT machine according to the present invention. The handy scanner, which is connected to the network when a reel- The SMT equipment of each line connected to the network is required to sort the parts by line and map the processing person to the SMT equipment before the parts are mounted on the SMT equipment. When the bar code is read, the bar code information read from the SMT equipment is compared with the belonging line information to determine whether the part is correctly mapped to the process person in charge.

According to the present invention, when SMT equipment mounts components on a printed circuit board, the frequency of occurrence of events occurring in SMT equipment is provided to the operator, and when the components are mounted on the printed circuit board, .

FIG. 1 shows an example in which the SMT equipment according to the embodiment forms a line.
2 shows a conceptual diagram of a production management system of an SMT equipment according to an embodiment.
FIG. 3 shows an example of an interface for displaying the operation rate of each line through a display device connected to the production management system of the SMT equipment.
Fig. 4 shows an example of an interface for mapping a reel-type part to a correct operator using a handy scanner.
FIG. 5 shows subinterfaces displayed for each SMT equipment in the process operation ratio interface.
Fig. 6 shows an example of a barcode panel provided in the component supply chamber.
Fig. 7 shows an example of a handy scanner that reads a bar code panel.
Figure 8 shows a reference diagram according to an example of managing a soldering cream using a handy scanner.

Hereinafter, the present invention will be described in detail with reference to the drawings.

2 is a conceptual diagram of a production management system for an SMT equipment according to an embodiment. FIG. 3 is a schematic view showing a production management system of an SMT equipment, FIG. 4 shows an example of an interface for mapping a reel-type part to a correct operator using a handy scanner, and FIG. 5 shows an example of an interface for displaying a reel- FIG. 6 shows an example of a barcode panel provided in a component supply room, and FIG. 7 shows an example of a handy scanner that reads a barcode panel, and FIG. Figure 8 shows a reference diagram according to an example of managing a soldering cream using a handy scanner.

1 to 8, a production management system (hereinafter referred to as a "production management system") 100 of an SMT equipment according to an embodiment includes a loader 1, a screen printer 2, a mounter 3, A reflow 4 and an AOI 5, as shown in Fig.

The loader 1 automatically supplies the printed circuit board to the line using a magazine. The screen printer 2 applies lead to the supplied printed circuit board,

The mounter 3 mounts the components on the printed circuit board in accordance with the previously set coordinates,

The reflow 4 melts a Crram solder on a pad (PAD) of a component mounted on a printed circuit board to connect the component to the pad,

The AOI 5 performs an optical inspection on a component mounted on the printed circuit board to determine whether the component is mounted correctly. If it is determined that the component is not correctly mounted, the AOI 5 can transfer the component to the NG buffer 6. On the other hand, the printed circuit board determined to be good in the AOI 6 can be loaded on the unloader 7 and shipped.

The loader 1 to the AOI 5 are network-connected to the production management system 100 according to the embodiment and event information generated by each of the equipment 1 to 5 may be provided to the production management system 100. [

The production management system 100 can be monitored on a line-by-line basis, in which one line is a production base unit that produces one printed circuit board.

Therefore, the production management system 100 can determine in real time how much the operation rate per line is and how much the suction rate per line is based on the status information of the SMT equipment 10a to 10n constituting each line And a result obtained in real time can be displayed through a wired or wireless display device. The operator can grasp the productivity and workability of each line in real time based on the operation rate and the suction rate of the displayed through the display device. In case of the event, the occurrence frequency and the event type of each line are determined according to productivity and absorption rate And the like.

As shown in FIG. 3, the process operation rates can be displayed graphically for each line, i.e., SMT01, SMT02, SMT03, and SMT04. In FIG. 3, the process availability rate of each line shows how it changes with the passage of time. Referring to this, the productivity of the printed circuit board produced for each line can be gauged. If the process operation rate is lower than a predetermined lower limit (for example, 85%), the color of the graph may be expressed in a color different from the surrounding color such as red or orange.

The process operation rate is required to be 85% or more for each line. The increase in process utilization rate is directly related to the number of parts that can be mounted on a printed circuit board per unit time, and the closer to 100%, the more the total output of each line increases.

In the case of the sucking rate, Applicant refers to 98.95% or more, and the success rate of the sucking rate is directly related to the loss rate of the component mounted on the printed circuit board. If the sucking rate is less than 99.95%, parts that are not correctly mounted on the printed circuit board are welded in the reflow (4), the parts are difficult to recycle, You may have to pay for the cost of doing so.

Accordingly, referring to the process availability graph shown in FIG. 4,

In the SMT01 line, the number of operations corresponding to 85% of the operation rate corresponds to 720,000 lines, and 720,000 lines correspond to the target operation rate, which is shown in the upper left SMT01 line.

In the SMT05 line, the equivalent of 85% of the process utilization rate corresponds to 300,000 lines, and 300,000 lines correspond to the target utilization rate. In the SMT process, one component is mounted on a printed circuit board one by one, and a 100 component indicates that 100 components are mounted on a printed circuit board.

If the graph of FIG. 4 indicates that 85% of the SMT01 line is not displayed as 85%, the field worker may have to consider how much workload corresponds to 85%. However, the applicant of the present invention displays the number of bins directly on the interface and displays a graph of the numerical value, so that the operator can intuitively compare and determine the target amount for each line and the current work amount.

Here, the numbers of the bumps corresponding to the process operation rates of the respective lines are different because the parts are mounted on different printed circuit boards for each line, and the production management system 100 according to the embodiment calculates the number of bins for each line in advance The target process utilization rate can be calculated.

When any one of the graphs for each process line is selected by the user, the user-selected process line graph can display detailed information about the SMT equipment 10a to 10n constituting the line. In FIG. 4, the detailed information on the process line graph may be displayed on the target value, the current value, the equipment ID, and the number of part mounts for each SMT equipment 10a to 10n constituting the line.

Parts to be mounted on the SMT equipment 10a to 10n are rapidly consumed by the SMT equipment 10a to 10n. Therefore, refilling is always required. Replenishment of parts is packaged in a reel form, And may be supplied to the equipment 10a to 10n. A component packaged in a reel shape can be attached to the package surface with a barcode, which can be used to determine whether a component supplied to the SMT equipment 10a to 10n is correct using a bar code.

Fig. 5 shows an example in which a part is requested in each line. In Fig. 5, line SMT01 requested four parts and line SMT02 requested one part. Here, the line SMT01 and the line SMT02 require the same part (CR3331C478), and in the normal situation, for example, in the parts supply room S1, the reel- , Parts may be replaced or parts may be supplied redundantly. Because it is the same part, the worker may supply twice.

However, the production management system 100 according to the embodiment does not cause overlapping supply and cross feeding of parts using the handy scanner connected to the network, and furthermore, even after the parts are supplied to the SMT equipment 10a to 10n , So that no erroneous mounting is caused by the operator.

The component supply chamber S1 first reads the barcode panel 20 of the type shown in Fig. 6 using a handy scanner. When the bar code of each part attached to the reel is read after the bar code of each line is read by the handy scanner, the line information-part information is mapped to the bar code of FIG. 5 Can be displayed on the display device as well.

In FIG. 5, it can be seen that parts having the part numbers of CR3331C478, OCZB00061A, OCC1038K58A, and EAF61630101 are mapped on the SMT01 line. In addition, each part is mapped to a work processor,

CR3331C478, OCZB00061A, OCC1038K58A, EAF61630101 Parts are mapped as a worker by Richard,

In case of CR3331C478, it is also assigned to SMT02 line, and the worker at this time is mapped to Edwin. In this way, if another line is assigned to the same part, there is a possibility that the worker may cause a mistake or cause a mistake in the parts supply room S1, and there is a possibility that a specific part is missed.

Therefore, a duplicate check is required twice for the parts check. First, a processing operation for allocating parts for each line is required by using the handy scanner 80 so that errors do not occur in the parts dispensing in the parts supply room S1, One is that a processing operation is required to confirm whether the requested part is correct using the handy scanner 70 before mounting the parts in the SMT equipment 10a to 10n (10a to 10n). Therefore, in the embodiment, at least one handy scanner 70, 80 is provided on the SMT equipment 10a to 10n (10a to 10n) side and at least one is provided on the component supply room S1 side.

When the line information and the part information are mapped and the parts are supplied to the respective lines, the operator reads the bar code attached to the reel package before mounting the parts to the SMT equipment 10a to 10n. Accordingly, the production management system 100 according to the embodiment determines whether or not the supplied part information (line information-part information) matches the barcode information read by the line operator. If it is determined that the parts are coincident with each other, the parts are supplied normally. If they do not match, the parts are supplied abnormally, so that the operator can be notified of the erroneous mounting of the parts by driving a warning light installed for each line or outputting a voice message.

Meanwhile, in the production management system 100 according to the embodiment, it is possible to determine whether or not the manufacturing process item is available through time check for the production process material requiring punctuality.

In the case of the soldering cream 90, it is recommended that the soldering cream 90 be used within 12 hours after opening to prevent damage due to the oxidation process after opening, and it is required to be equivalent to the ambient temperature of the SMT equipment 10a to 10n before use . If the temperature of the workplace where the SMT equipment 10a to 10n is driven is 24 degrees centigrade, the temperature of the soldering cream 90 is required to be 24 degrees.

FIG. 7 shows an agitator for adjusting the soldering cream 90, which is stored in the refrigerator room shown in FIG. 8,

The operator takes the soldering cream 90 out of the refrigerator, reads the bar code with the handy scanner, and the production management system 100 according to the embodiment regards the time read by the bar code as the opening time of the soldering cream 90 After stirring for a set period of time, the time can be checked to limit the use of the soldering cream 90 over a period of 12 hours.

The production management system 100 according to the embodiment allows the SMT equipment 10a to 10n to supply parts or read the barcode with a handy scanner before using the production process material. Therefore, when the operator has read the bar code of the soldering cream 90 with the handy scanner to use the soldering cream 90, if the use time (12 hours) has elapsed, the warning light of the SMT equipment 10a to 10n is displayed A warning message may be displayed on the screen or voice to request the operator to suspend the use of the apparatus.

70, 80: Handy scanner 100: Production management system

Claims (5)

Monitoring information on any one of a process operation rate, an absorptance rate of a component, or an event generated for each line and connected to the SMT equipment for each line, and displays the generated monitoring information on at least one display device positioned in the field ,
Wherein when at least one of the monitoring information is selected by the user, at least one of the individual process operation rate and the suction rate for the SMT equipment constituting each line is overlaid on the monitoring information. The method according to claim 1,
The monitoring information includes:
And a process operation ratio of the entire line to the entirety of the line. The method according to claim 1,
The process operating rate
Wherein the warning message is provided to the SMT equipment when the difference is less than 99.95%. Handy scanners, and SMT production management systems that are networked with SMT equipment,
When a handy scanner connected to a network reads out a barcode panel for each line and provides information on belonging line to which the component belongs, when the reel-type component having the barcode attached thereto is delivered from the component supply chamber, Map the contact person,
If the barcode attached to the component is read before mounting the component in the SMT equipment for each line connected to the network, the barcode information read from the SMT equipment is compared with the belonging line information, A method of manufacturing management of SMT equipment that determines whether it is correctly mapped to a representative. 5. The method of claim 4,
The SMT production management system includes:
And the handy scanner is connected to a wireless network.
KR1020150176267A 2015-12-10 2015-12-10 Production management system and method for SMT apparatus KR20170069047A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111861180A (en) * 2020-07-14 2020-10-30 深圳市安科讯电子制造有限公司 Management system for real-time early warning of digital energy production and manufacturing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111861180A (en) * 2020-07-14 2020-10-30 深圳市安科讯电子制造有限公司 Management system for real-time early warning of digital energy production and manufacturing

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