CN107450489A - Scarce material method for early warning, device and the computer-processing equipment of production equipment - Google Patents
Scarce material method for early warning, device and the computer-processing equipment of production equipment Download PDFInfo
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- CN107450489A CN107450489A CN201710601424.7A CN201710601424A CN107450489A CN 107450489 A CN107450489 A CN 107450489A CN 201710601424 A CN201710601424 A CN 201710601424A CN 107450489 A CN107450489 A CN 107450489A
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- production equipment
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4184—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by fault tolerance, reliability of production system
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31439—Alarms can be warning, alert or fault
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses the step of a kind of scarce material method for early warning of production equipment, device and a kind of computer-processing equipment, wherein this method to include：When counting the material surplus in the feed bin for each material for being used for producing product in production equipment, while counting each product of production, the dosage of each material, and production equipment production product quantity；Monitor the used time that single product is completed in production equipment production；According to statistics, and the data that monitoring obtains, the remaining usage time of remaining each material in current feed bin is calculated, and do not produce the actual amount of each material needed for the product of completion；According to result of calculation, judge whether production equipment lacks material, when being judged as YES, send pre-warning signal.By means of the invention it is possible to calculate the up time of leftover materials in current production equipment automatically, in real time, and give warning in advance.
Description
Technical field
The present invention relates to automatic control technology field, more particularly to scarce material method for early warning, the device of a kind of production equipment
A kind of and computer-processing equipment.
Background technology
At present, the stock material management in terms of the material shortage warning system in electronic product production process is concentrated mainly on warehouse
And the stock in ERP layer face lacks material prediction, it mainly completes the deduction of material in the aspect of overall order or whole biscuit,
That is a work order is completed to deduct the quantity of the material of a work order, or one disk of brush deducts the amount of a biscuit, and real-time is poor.Also portion
Point forecasting system is the scarce material forecasting system based on real-time leftover materials number in SMT feed bins, but its need it is artificial set it is each
The threshold value of individual material, operation are relatively complicated.
The material shortage warning system majority used in electronic product production process is the material according to ERP system aspect at present
Early warning, its early warning for material are also based on the early warning under the material service condition in order aspect, i.e. order is fully completed
The deduction of overall quantity afterwards, the real-time early warning of each instantaneous number of material in the feed bin for the SMT being not based on, its real-time compared with
Difference.
In addition, also part early warning system uses the real-time early warning meter based on each instantaneous number of material in SMT feed bins really
Number, but the threshold value of its early warning needs to set by hand, when material variety is more, this behavior can be comparatively laborious.
The content of the invention
The present invention solves the technical problem of provide a kind of scarce material method for early warning of production equipment, device and a kind of meter
Calculation machine processing equipment, the up time of leftover materials in current production equipment can be calculated automatically, in real time, and it is pre- in advance
It is alert.
To solve technical problem, one aspect of the present invention is：A kind of scarce material early warning of production equipment is provided
Method, include the step of this method：The material surplus in the feed bin for each material for being used for producing product in production equipment is counted,
When counting each product of production simultaneously, the dosage of each material, and production equipment production product quantity；Monitor production equipment production
Complete the used time of single product；According to statistics, and the data that monitoring obtains, remaining for remaining each material in current feed bin is calculated
Remaining usage time, and the actual amount of each material needed for the product of completion is not produced；According to result of calculation, judge that production equipment is
No scarce material, when being judged as YES, sends pre-warning signal.
To solve technical problem, one aspect of the present invention is：A kind of computer-processing equipment is provided, including
Processor and computer-readable recording medium, processor obtains the computer program on computer-readable recording medium, and performs
The step of preceding solution.
To solve technical problem, one aspect of the present invention is：A kind of scarce material early warning of production equipment is provided
Device, including：Statistical module, remained for performing the material in the feed bin for counting each material for being used for producing product in production equipment
Surplus, at the same count produce each product when, the dosage of each material, and production equipment production product quantity the step of；Monitoring
Module, for performing the step of used time of single product is completed in monitoring production equipment production；Computing module, work as performing to calculate
The remaining usage time of remaining each material in preceding feed bin, and the actual amount of each material needed for the product of completion is not produced
Step；Warning module, for performing according to result of calculation, judge whether production equipment lacks material, when being judged as YES, send early warning
The step of signal.
It is different from prior art, includes the step of the scarce material method for early warning of production equipment of the invention：Count production equipment
In be used for produce product each material feed bin in material surplus, while count produce each product when, the use of each material
Amount, and production equipment production product quantity；Monitor the used time that single product is completed in production equipment production；According to statistics, and prison
The data measured, calculate the remaining usage time of remaining each material in current feed bin, and do not produce the product institute of completion
Need the actual amount of each material；According to result of calculation, judge whether production equipment lacks material, when being judged as YES, send early warning letter
Number.By means of the invention it is possible to the up time of leftover materials in current production equipment is calculated automatically, in real time, and in advance
Early warning.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of the scarce material method for early warning of production equipment provided by the invention.
Embodiment
Many details are elaborated in the following description in order to fully understand the present invention.But the present invention can be with
Much it is different from other manner described here to implement, those skilled in the art can be in the situation without prejudice to intension of the present invention
Under do similar popularization, therefore the present invention is not limited to the specific embodiments disclosed below.
Secondly, the present invention is described in detail using schematic diagram, when the embodiment of the present invention is described in detail, for purposes of illustration only, institute
It is example to state schematic diagram, and it should not limit the scope of protection of the invention herein.
Refering to Fig. 1, Fig. 1 is a kind of schematic flow sheet of the scarce material method for early warning of production equipment provided by the invention.This hair
Bright involved production equipment is the production equipment based on SMT technologies.SMT is surface installation technique (Surface Mount
Technology abbreviation), it is most popular a kind of technology and technique in current electronic assembly industry.It is mainly used in circuit board system
Make field, all kinds of components are attached on circuit board, complete circuit board finished product is made.But in the circuit board making of reality
During, the monitoring for component materials'use often uses manual inspection.Manual inspection lack material situation often encounter with
Lower problem:Not in time, the problems such as inaccurate, more splicings, missing inspection.The scarce material that the method for the present invention focuses on to solve production equipment is asked
Topic, material situation is lacked to it and carries out early warning.The step of this method, includes：
S110：For the material surplus in the feed bin for each material for producing product in statistics production equipment, count simultaneously
When producing each product, the dosage of each material, and production equipment production product quantity.
In the present invention, production equipment is by taking the SMT chip mounters for producing circuit board as an example.The chip mounter is connected to for working out
Or import the ERP or MES system of the production schedule.Before production commences, production inventory is imported into ERP or MES system, can
When statistics produces each product directly from the production inventory, the dosage of each material, and production equipment production product quantity.It is right
In chip mounter of the present embodiment, the component type and component number of each circuit board should be directly counted from inventory
Amount.After the completion of statistics, circuit board and corresponding component are prepared in place, to be processed by chip mounter.In actual processing process
In, various components are positioned in corresponding feed bin, and in the feed bin of each component is counted after starting processing in real time
Remaining component number.
In Modern circuit boards manufacture field, to ensure speed of production, the mode of the multi-thread parallel production of generally use is added
Work, i.e., paster processing is carried out to identical polylith circuit board simultaneously.If using parallel raw in one of which embodiment of the present invention
During the mode of production, the material of the identical component of loading on parallel production lines should be counted when counting the component volume residual in feed bin
Component volume residual in storehouse.
S120：Monitor the used time that single product is completed in production equipment production.
In the position for entering plate and ejecting plate of chip mounter of the present invention, timer is set.Enter plate and ejecting plate i.e. circuit board from
Start paster to complete from the position of chip mounter output into the position of chip mounter and paster.In this step, by enter plate and
The position of ejecting plate sets timer, counts production line of the single circuit board along chip mounter via the timer for entering plate He going out Board position
Duration used, so that it is determined that producing duration used in single circuit board.
S130：According to statistics, and the data that monitoring obtains, the remaining use of remaining each material in current feed bin is calculated
Time, and the actual amount of each material needed for the product of completion is not produced.
After counting and monitoring related data, calculated according to data, it is determined whether needs carry out lacking material early warning.This
The paster machine equipment being related to is invented, it is necessary to which what is calculated is the component residue usage time in the feed bin of each component, and is produced
Complete the actual amount of various components during the product of specified quantity on production inventory.Specifically, various components are obtained first
Effective rate of utilization.Effective rate of utilization is calculated often through the material casting rate of production equipment (i.e. chip mounter), material casting rate be because
There are the failures such as deformation, blocking, damaged, vacuum pressure deficiency or gas leakage in the suction nozzle of production equipment, so as to cause suction not rise, takes
Not just, identification can't pass and material casting material.Its material casting rate can be obtained according to the passing knowhow of chip mounter.Calculated thereafter by formula
The remaining usage time of every kind of component in each feed bin, formula are：
Material residue usage time=[material surplus * materials effective rate of utilization/production product quantity] * completes single production
The product used time.
Wherein, material surplus refers to the component number in the feed bin of current each component, and effective rate of utilization is equal to 1-
Material casting rate, production product quantity are the production quantity of the circuit board of the present lot obtained from production inventory, complete single production
The product used time is obtained by being monitored in step S120, and circuit board as completes single circuit board from the time difference for entering plate to ejecting plate
Used time, this data can be obtained by monitoring, and when producing identical circuit board subsequently through identical equipment, can will complete single electricity
The used time of road plate is directly filled in product inventory as given data.Above-mentioned data are substituted into formula, you can be calculated
Various components correspond to the remaining usage time in feed bin.By calculating, know and be used to place various first devices in current chip mounter
The remaining usage time for the component deposited in the feed bin of part, when the time reaching remaining usage time, the component in feed bin
It will be exhausted, so as to cause the scarce material of corresponding component.
Further, by the data for counting and monitoring, each first device needed for the circuit board not produced in whole circuit boards is calculated
The actual amount of part.By inventory, obtain circuit board total amount and produce the quantity of each component required during each circuit board, two
Person, which is multiplied, can obtain the actual amount of each component when whole board productions are completed.
S140：According to result of calculation, judge whether production equipment lacks material, when being judged as YES, send pre-warning signal.
In this step, setting time threshold value, when the time threshold of setting is more than or equal in a certain feed bin being calculated
During the remaining usage time of component, illustrate that component corresponding to feed bin lacks material, should supplement as early as possible.Meanwhile judge whole circuits
The actual amount of each component needed for the circuit board not produced in plate is more than the storage (volume residual in feed bin) of each component
When, illustrate that component corresponding to feed bin lacks material, should supplement as early as possible.
It should be noted that the time threshold can be set according to the production material distribution capacity of plant produced line.Institute
State production material distribution capacity and refer to time required for production material from warehouse delivery to production line website.
When judging to determine to lack material by calculating, corresponding component should be added into corresponding feed bin in time, makes feed bin
In component number be more than required component number when completing remaining board production.
Further, when lacking material by calculating one or more of components in the feed bin for judging each component of determination, hair
Go out alarm signal to be reminded, and differed for different types of component, the form of expression of alarm signal.Wherein, alarm
Signal can be the one or more in voice signal, instruction modulating signal, short message or mail, during if voice signal, voice letter
Feed bin title and/or numbering and its component title to be fed are comprised at least in breath.Preferably, when being judged as lacking material, to
ERP or MES system send mail or message, and the type of addition component, the member of addition should be at least included in mail or information
The quantity of device should make after addition that component number is more than component number required when completing the production of residual circuit plate in feed bin.
Preferably, a graphic display interface is set, the quantity of component in each feed bin is represented by graph direct, it is such as logical
Histogram graph representation is crossed, the block diagram of every kind of component is identified by different colours.First device in feed bin is shown by block diagram
The quantity of part, the display interface is placed in staff position.
Further, record is added to the component number in each feed bin, including starts the component number added during production
The component number added when amount and follow-up scarce material, to count the consumption of component, and the material casting rate of production equipment.
It is different from prior art, includes the step of the scarce material method for early warning of production equipment of the invention：Count production equipment
In be used for produce product each material feed bin in material surplus, while count produce each product when, the use of each material
Amount, and production equipment production product quantity；Monitor the used time that single product is completed in production equipment production；According to statistics, and prison
The data measured, calculate the remaining usage time of remaining each material in current feed bin, and do not produce the product institute of completion
Need the actual amount of each material；According to result of calculation, judge whether production equipment lacks material, when being judged as YES, send early warning letter
Number.By means of the invention it is possible to the up time of leftover materials in current production equipment is calculated automatically, in real time, and in advance
Early warning.
The invention provides a kind of computer-processing equipment, including processor and the side for being stored with execution preceding solution
The computer-readable recording medium of the computer program of method step, processor is by performing the meter on computer-readable recording medium
Calculation machine program, the step of realizing preceding solution method.
Specifically, the computer-processing equipment includes a kind of scarce material prior-warning device of production equipment, and the device includes：
Statistical module, it is remaining for performing the material in the feed bin for counting each material for being used for producing product in production equipment
When measuring, while counting each product of production, the dosage of each material, and the step of production equipment production product quantity.
Before production commences, production inventory is imported into ERP or MES system, statistical module can be directly clear from the production
When statistics produces each product on list, the dosage of each material, and production equipment production product quantity.Corresponding to present embodiment
The chip mounter being related to, statistical module directly count the component type and component number of each circuit board from inventory.Statistics
After the completion of, circuit board and corresponding component are prepared in place, to be processed by chip mounter., will be each during actual processing
Kind component is positioned in corresponding feed bin, and remaining first device in the feed bin of each component is counted in real time after starting processing
Number of packages amount.
Monitoring modular, for performing the step of used time of single product is completed in monitoring production equipment production.
In the position for entering plate and ejecting plate of chip mounter of the present invention, timer is set.Enter plate and ejecting plate i.e. circuit board from
Start paster to complete from the position of chip mounter output into the position of chip mounter and paster.By being set in the position for entering plate and ejecting plate
Put timer, production line of the single circuit board of monitoring module monitors along chip mounter is via entering plate and go out used in the timer of Board position
Duration, so that it is determined that producing duration used in single circuit board.
Computing module, the remaining usage time of remaining each material in current feed bin is calculated for performing, and is not produced
Needed for the product of completion the step of the actual amount of each material.
After counting and monitoring related data, calculated according to data, it is determined whether needs carry out lacking material early warning.This
Invent the paster machine equipment that is related to, computing module is calculative when to be that component in the feed bin of each component is remaining use
Between, and produce the actual amount of various components when completing the product of specified quantity on production inventory.Specifically, obtain first each
The effective rate of utilization of kind component.Effective rate of utilization is calculated often through the material casting rate of production equipment (i.e. chip mounter), is thrown
Material rate is because the failures such as deformation, blocking, damaged, vacuum pressure deficiency or gas leakage occurs in the suction nozzle of production equipment, so as to cause to inhale
It can not expect, not just, identification can't pass and material casting feeding.Its material casting rate can be obtained according to the passing knowhow of chip mounter.Thereafter lead to
The remaining usage time that formula calculates every kind of component in each feed bin is crossed, formula is：
Material residue usage time=[material surplus * materials effective rate of utilization/production product quantity] * completes single production
The product used time.
Wherein, material surplus refers to the component number in the feed bin of current each component, and effective rate of utilization is equal to 1-
Material casting rate, production product quantity are the production quantity of the circuit board of the present lot obtained from production inventory, complete single production
The product used time is obtained by being monitored in step S120, and circuit board as completes single circuit board from the time difference for entering plate to ejecting plate
Used time, this data can be obtained by monitoring, and when producing identical circuit board subsequently through identical equipment, can will complete single electricity
The used time of road plate is directly filled in product inventory as given data.Above-mentioned data are substituted into formula, you can be calculated
Various components correspond to the remaining usage time in feed bin.By calculating, know and be used to place various first devices in current chip mounter
The remaining usage time for the component deposited in the feed bin of part, when the time reaching remaining usage time, the component in feed bin
It will be exhausted, so as to cause the scarce material of corresponding component.
Further, by the data for counting and monitoring, each first device needed for the circuit board not produced in whole circuit boards is calculated
The actual amount of part.By inventory, obtain circuit board total amount and produce the quantity of each component required during each circuit board, two
Person, which is multiplied, can obtain the actual amount of each component when whole board productions are completed.
Warning module, for performing according to result of calculation, judge whether production equipment lacks material, when being judged as YES, send
The step of pre-warning signal.
Setting time threshold value, when the time threshold of setting is more than or equal to the residue of component in a certain feed bin being calculated
During usage time, illustrate that component corresponding to feed bin lacks material, warning module sends pre-warning signal, and prompting supplements as early as possible.Meanwhile sentence
The actual amount of each component is more than the storage of each component (in feed bin needed for the circuit board not produced in disconnected whole circuit boards
Volume residual) when, illustrate that component corresponding to feed bin lacks material, warning module sends pre-warning signal, and prompting supplements as early as possible.
It should be noted that the time threshold can be set according to the production material distribution capacity of plant produced line.Institute
State production material distribution capacity and refer to time required for production material from warehouse delivery to production line website.
When judging to determine to lack material by calculating, corresponding component should be added into corresponding feed bin in time, makes feed bin
In component number be more than required component number when completing remaining board production.
Further, when lacking material by calculating one or more of components in the feed bin for judging each component of determination, hair
Go out alarm signal to be reminded, and differed for different types of component, the form of expression of alarm signal.Wherein, alarm
Signal can be the one or more in voice signal, instruction modulating signal, short message or mail, during if voice signal, voice letter
Feed bin title and/or numbering and its component title to be fed are comprised at least in breath.Preferably, when being judged as lacking material, to
ERP or MES system send mail or message, and the type of addition component, the member of addition should be at least included in mail or information
The quantity of device should make after addition that component number is more than component number required when completing the production of residual circuit plate in feed bin.
Preferably, a graphic display interface is set, the quantity of component in each feed bin is represented by graph direct, it is such as logical
Histogram graph representation is crossed, the block diagram of every kind of component is identified by different colours.First device in feed bin is shown by block diagram
The quantity of part, the display interface is placed in staff position.
Further, record is added to the component number in each feed bin, including starts the component number added during production
The component number added when amount and follow-up scarce material, to count the consumption of component, and the material casting rate of production equipment.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting the present invention, any this area
Technical staff without departing from the spirit and scope of the present invention, may be by the methods and technical content of the announcement to this hair
Bright technical scheme makes possible variation and modification, therefore, every content without departing from technical solution of the present invention, according to the present invention
Any simple modifications, equivalents, and modifications made to above example of technical spirit, belong to technical solution of the present invention
Protection domain.
Claims (10)
- A kind of 1. scarce material method for early warning of production equipment, it is characterised in that including：The material surplus in the feed bin for each material for being used for producing product in the production equipment is counted, while it is every to count production During one product, the dosage of each material, and production equipment production product quantity；Monitor the used time that single product is completed in the production equipment production；According to statistics, and obtained data are monitored, calculate the remaining usage time of remaining each material in current feed bin, and not Produce the actual amount of each material needed for the product completed；According to result of calculation, judge whether the production equipment lacks material, when being judged as YES, send pre-warning signal.
- 2. the scarce material method for early warning of production equipment according to claim 1, it is characterised in that calculating in current feed bin In the step of remaining usage time of remaining each material, including step：Obtain the effective rate of utilization of each material；The remaining usage time of remaining various materials in feed bin is calculated, calculation formula is as follows：Material residue usage time=[material surplus * materials effective rate of utilization/production product quantity] * completes single product and used When.
- 3. the scarce material method for early warning of production equipment according to claim 2, it is characterised in that judging the production equipment In the step of whether lacking material, including step：Setting time threshold value, and the obtained material residue usage time of comparing calculation and the time threshold；Calculate the actual amount for not producing each material needed for the product of completion, and contrast material surplus * material effective rates of utilization Numerical value and the product for not producing completion needed for each material actual amount；When the material residue usage time being calculated is less than default threshold value, or material surplus * material effective rates of utilization When numerical value does not produce the actual amount of each material needed for the product of completion less than described in, judge that the production equipment lacks material, send Pre-warning signal.
- 4. the scarce material method for early warning of production equipment according to claim 3, it is characterised in that sending the step of pre-warning signal After rapid, including step：According to result of calculation, respective material is filled into the feed bin of the production equipment, makes the material number in the corresponding feed bin Material volume residual of the amount more than or equal to setting.
- 5. the scarce material method for early warning of production equipment according to claim 4, it is characterised in that each described in statistics production During product, in the dosage of each material, and the step of production equipment production product quantity, including step：The product inventory of corresponding product is imported into the production equipment；The product inventory is read, obtains the dosage of each material needed for corresponding product.
- 6. the scarce material method for early warning of production equipment according to claim 1, it is characterised in that according to different materials type Material is lacked, the production equipment correspondingly sends different types of pre-warning signal.
- 7. the scarce material method for early warning of production equipment according to claim 6, it is characterised in that the pre-warning signal is voice One or more in signal, instruction modulating signal, short message or mail.
- 8. the scarce material method for early warning of production equipment according to claim 7, it is characterised in that if the pre-warning signal is language During sound signal, feed bin title and/or numbering and its title material to be fed are comprised at least in the voice signal.
- 9. a kind of computer-processing equipment, including processor and computer-readable recording medium, it is characterised in that the processor The computer program on the computer-readable recording medium is obtained, and performs the step such as any methods describeds of claim 1-8 Suddenly.
- A kind of 10. scarce material prior-warning device of production equipment, it is characterised in that including：Statistical module, it is remaining for performing the material in the feed bin for counting each material for being used for producing product in the production equipment When measuring, while counting each product of production, the dosage of each material, and the step of production equipment production product quantity Suddenly；Monitoring modular, the step of used time of single product is completed in the production equipment production is monitored for performing；Computing module, the remaining usage time of remaining each material in current feed bin is calculated for performing, and does not produce completion Product needed for each material actual amount the step of；Warning module, for performing according to result of calculation, judge whether the production equipment lacks material, when being judged as YES, send The step of pre-warning signal.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803507A (en) * | 2018-05-25 | 2018-11-13 | 杭州南江机器人股份有限公司 | A kind of production line feeding management method and system |
| CN110124951A (en) * | 2019-03-29 | 2019-08-16 | 广州明珞汽车装备有限公司 | A kind of gluing sizing material replacement alarm method and system |
| CN110312377A (en) * | 2019-06-15 | 2019-10-08 | 上海开铭智能科技有限公司 | One kind lacking material method for early warning |
| CN110378514A (en) * | 2019-06-04 | 2019-10-25 | 石化盈科信息技术有限责任公司 | A kind of material balance early warning system and method |
| CN112785122A (en) * | 2021-01-05 | 2021-05-11 | 广西路桥工程集团有限公司 | Engineering project real-time data synchronous management and control system |
| CN112978255A (en) * | 2019-12-12 | 2021-06-18 | 中车唐山机车车辆有限公司 | Material detection prompting method, terminal equipment and storage medium |
| CN113597259A (en) * | 2021-07-30 | 2021-11-02 | 广州佳帆计算机有限公司 | Feeder state detection method and feeder state detection device |
| TWI760975B (en) * | 2020-12-17 | 2022-04-11 | 凌華科技股份有限公司 | SMT machine throwing analysis and abnormal notification system and method |
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| CN110378514B (en) * | 2019-06-04 | 2023-08-29 | 石化盈科信息技术有限责任公司 | Material balance early warning system and method |
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| CN112978255A (en) * | 2019-12-12 | 2021-06-18 | 中车唐山机车车辆有限公司 | Material detection prompting method, terminal equipment and storage medium |
| TWI760975B (en) * | 2020-12-17 | 2022-04-11 | 凌華科技股份有限公司 | SMT machine throwing analysis and abnormal notification system and method |
| CN112785122A (en) * | 2021-01-05 | 2021-05-11 | 广西路桥工程集团有限公司 | Engineering project real-time data synchronous management and control system |
| CN112785122B (en) * | 2021-01-05 | 2022-05-31 | 广西路桥工程集团有限公司 | Engineering project real-time data synchronous management and control system |
| CN113597259A (en) * | 2021-07-30 | 2021-11-02 | 广州佳帆计算机有限公司 | Feeder state detection method and feeder state detection device |
| CN113597259B (en) * | 2021-07-30 | 2023-09-15 | 广州佳帆计算机有限公司 | Feeder state detection method and device |
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