CN107168244A - A kind of Digit Control Machine Tool running status on-line monitoring and warning system - Google Patents
A kind of Digit Control Machine Tool running status on-line monitoring and warning system Download PDFInfo
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- CN107168244A CN107168244A CN201710555858.8A CN201710555858A CN107168244A CN 107168244 A CN107168244 A CN 107168244A CN 201710555858 A CN201710555858 A CN 201710555858A CN 107168244 A CN107168244 A CN 107168244A
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- central processing
- processing unit
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- main shaft
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Classifications
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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
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
- G05B19/4065—Monitoring tool breakage, life or condition
-
- 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
- G05B2219/37—Measurements
- G05B2219/37616—Use same monitoring tools to monitor tool and workpiece
Abstract
The invention discloses a kind of Digit Control Machine Tool running status on-line monitoring and warning system, including power parameter monitoring unit, main shaft monitoring unit, tool monitoring unit, central processing unit, prewarning unit and wireless communication module；It is used to monitor each motor voltage signal and current signal in lathe in real time by using power parameter monitoring unit；It is used for axial displacement value, shaft vibration signal and the rotating speed for monitoring main shaft in real time using main shaft monitoring unit；It is used for the hardness of position, tool abrasion and cutter for monitoring cutter pull bar in real time using tool monitoring unit, realizes the overall monitor to Digit Control Machine Tool, effectively play the due function of numerical control equipment, and improve the service life of equipment.
Description
Technical field
The present invention relates to Numerically controlled machine field, more particularly to a kind of Digit Control Machine Tool running status on-line monitoring and alarm system
System.
Background technology
With the continuous lifting of development and the intelligent chemical industry of informationization technology, information-based fault diagnosis turns into industry and manufactured
Enterprise understands and grasp the currently used state of equipment, determine its it is overall or it is local whether work well, find in advance failure and its
Reason, and the technology of the development trend of failure can be forecast.This technology is increasingly paid attention to, main reason is that manufacturing fast
Speed development.With the continuous increase of numerical control equipment working strength, production efficiency, automaticity more and more higher, while equipment knot
Structure is more complicated and changeable, and also all the more closely, flexible degree is improved quickly for the association of each several part.So, even somewhere
One small fault, it is also possible to break out chain reaction, causes the environment of whole equipment or even device-dependent by calamity
Breaking-up.This not only causes huge economic loss, and entail dangers to personal safety is gone back when serious, and consequence is hardly imaginable.
The content of the invention
It is an object of the invention to provide a kind of Digit Control Machine Tool running status on-line monitoring and warning system, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
The invention provides a kind of Digit Control Machine Tool running status on-line monitoring and warning system, including power parameter monitoring are single
Member, main shaft monitoring unit, tool monitoring unit, central processing unit, prewarning unit and wireless communication module；The power parameter
Monitoring unit is used to monitor each motor voltage signal and current signal in lathe in real time, and by each in the lathe monitored
The voltage signal and current signal of motor are sent to the central processing unit in real time；The main shaft monitoring unit is used to monitor in real time
Axial displacement value, shaft vibration signal and the rotating speed of main shaft, and by the axial displacement value of the main shaft monitored, shaft vibration signal,
And rotating speed value is sent to the central processing unit in real time；The tool monitoring unit is used for the position for monitoring cutter pull bar in real time
Put, the hardness of tool abrasion and cutter, and by the position of the cutter pull bar monitored, tool abrasion and cutter
Hardness number is sent to the central processing unit in real time；The central processing unit is used for power parameter monitoring unit described in real-time reception
The voltage signal and current signal of each motor and wireless communication module is sent in transmitted lathe, central processing unit is simultaneously
The voltage signal and electric current of the voltage signal and current signal of each motor in received lathe and the motor of standard are believed
Number carry out real time contrast, if one in received lathe in both voltage signal and current signal of each motor or
Two there is exception, and the central processing unit sends power parameter monitoring abnormal alarm to the prewarning unit and instructed；In described
Central processor be additionally operable to the axial displacement value of the main shaft transmitted by main shaft monitoring unit described in real-time reception, shaft vibration signal and
Rotating speed is simultaneously sent to wireless communication module, and central processing unit simultaneously believes the axial displacement value of received main shaft, shaft vibration
Number and the axial displacement value of main shaft, shaft vibration signal and the rotating speed of rotating speed and standard carry out real time contrast, if being connect
One or more in axial displacement value, shaft vibration signal and the rotating speed three of the main shaft received occur it is abnormal, it is described in
Central processor sends main shaft monitoring abnormal alarm instruction to the prewarning unit；The central processing unit is additionally operable to real-time reception institute
State the position of the cutter pull bar transmitted by tool monitoring unit, the hardness of tool abrasion and cutter and be sent to radio communication
Module, central processing unit is simultaneously by the hardness and standard of the position of received cutter pull bar, tool abrasion and cutter
The position of cutter pull bar, the hardness of tool abrasion and cutter carry out real time contrast, if received cutter pull bar
One or more in the hardness three of position, tool abrasion and cutter occurs abnormal, and the central processing unit is to institute
State prewarning unit and send the instruction of tool monitoring abnormal alarm；The prewarning unit include the first alarm, the second alarm and
3rd alarm；First alarm refers to for receiving the power parameter monitoring abnormal alarm that the central processing unit is sent
Make and send the first alarm；Second alarm is used to receive the abnormal report of main shaft monitoring that the central processing unit is sent
It is alert to instruct and send the second alarm；3rd alarm is different for receiving the tool monitoring that the central processing unit is sent
Normal alarm command simultaneously sends the 3rd alarm；The wireless communication module is used for what central processing unit described in real-time reception was sent
The voltage signal and current signal of the motor of each in lathe are simultaneously sent to monitoring center and technical guidance center；The radio communication
Module is additionally operable to axial displacement value, shaft vibration signal and the rotating speed for the main shaft that central processing unit described in real-time reception is sent
And it is sent to monitoring center and technical guidance center；The wireless communication module is additionally operable to central processing unit described in real-time reception and sent out
The position of the cutter pull bar sent, the hardness of tool abrasion and cutter are simultaneously sent in fault diagnosis center and technological guidance
The heart.
It is preferred that the central processing unit also signal is connected with on-site supervision photographing module, the on-site supervision images mould
Block is used for the working condition of the live lathe of captured in real-time, and sends it to monitoring center by radio transmitter.
It is preferred that the central processing unit also signal is connected with infrared temperature sensor, the infrared temperature sensor is used
In the real time temperature signal of collection main shaft of numerical control machine tool, and the main shaft real time temperature signal collected is passed by radio transmitter
Give monitoring center.
It is preferred that the central processing unit also signal is connected with the online particle detector of hydraulic oil, the hydraulic oil is online
Particle detector is used to monitor the granule content in the hydraulic oil in hydraulic oil container.
It is preferred that the central processing unit also signal is connected with display, the display is used to show that Digit Control Machine Tool makes
Use specification information.
It is preferred that the central processing unit also signal is connected with backflow hydraulic pressure sensor, the backflow hydraulic pressure
Sensor is used to monitor the backflow hydraulic pressure at overflow valve backflow end in Digit Control Machine Tool hydraulic station.
It is preferred that the central processing unit is MSP430 single-chip microcomputers or model OMRON CP1E-N20DR-D PLC controls
Device processed.
It is preferred that the wireless communication module is 3G wireless communication modules, 4G wireless communication modules or WIFI module.
A kind of Digit Control Machine Tool running status on-line monitoring of the present invention and warning system, by using power parameter monitoring unit
For monitoring each motor voltage signal and current signal in lathe in real time；It is used to monitor main shaft in real time using main shaft monitoring unit
Axial displacement value, shaft vibration signal and rotating speed；Using tool monitoring unit be used in real time monitor cutter pull bar position,
The hardness of tool abrasion and cutter, realizes the overall monitor to Digit Control Machine Tool, effectively plays numerical control equipment due
Function, and improve the service life of equipment.
Brief description of the drawings
The system block diagram that Fig. 1 provides for the present invention.
Embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection domain do not limited by embodiment.
As shown in figure 1, the embodiments of the invention provide a kind of Digit Control Machine Tool running status on-line monitoring and warning system, bag
Include power parameter monitoring unit, main shaft monitoring unit, tool monitoring unit, central processing unit, prewarning unit and radio communication
Module；The power parameter monitoring unit is used to monitor each motor voltage signal and current signal in lathe in real time, and by institute
The voltage signal and current signal of each motor are sent to the central processing unit in real time in the lathe monitored；The main shaft prison
Axial displacement value, shaft vibration signal and rotating speed that unit is used to monitor main shaft in real time are surveyed, and by the axle of the main shaft monitored
Shift value, shaft vibration signal and rotating speed value are sent to the central processing unit in real time；The tool monitoring unit is used for real
When the monitoring position of cutter pull bar, tool abrasion and cutter hardness, and by the position of the cutter pull bar monitored, knife
Tool wear extent and the hardness number of cutter are sent to the central processing unit in real time；The central processing unit is used for real-time reception institute
State in the lathe transmitted by power parameter monitoring unit the voltage signal and current signal of each motor and be sent to radio communication
Module, central processing unit is simultaneously by the voltage signal and current signal and the motor of standard of each motor in received lathe
Voltage signal and current signal carry out real time contrast, if in received lathe the voltage signal of each motor and electric current letter
One or two number in both occur abnormal, and it is different that the central processing unit sends power parameter monitoring to the prewarning unit
Normal alarm command；The central processing unit is additionally operable to the axial displacement of the main shaft transmitted by main shaft monitoring unit described in real-time reception
Value, shaft vibration signal and rotating speed are simultaneously sent to wireless communication module, and central processing unit is simultaneously by received main shaft
Axial displacement value, shaft vibration signal and the rotating speed of the main shaft of axial displacement value, shaft vibration signal and rotating speed and standard are entered
Row real time contrast, if one in the axial displacement value of received main shaft, shaft vibration signal and rotating speed three or many
Individual exception occur, the central processing unit sends main shaft monitoring abnormal alarm to the prewarning unit and instructed；The center processing
Device is additionally operable to the hard of the position of the cutter pull bar transmitted by tool monitoring unit described in real-time reception, tool abrasion and cutter
Spend and be sent to wireless communication module, central processing unit simultaneously by the position of received cutter pull bar, tool abrasion with
And hardness and the position of cutter pull bar of standard, the hardness of tool abrasion and cutter of cutter carry out real time contrast, if institute
One or more in the hardness three of the position of the cutter pull bar received, tool abrasion and cutter occur it is abnormal,
The central processing unit sends the instruction of tool monitoring abnormal alarm to the prewarning unit；The prewarning unit includes the first alarm
Device, the second alarm and the 3rd alarm；First alarm is used to receive the power that the central processing unit is sent
Parameter monitoring abnormal alarm instructs and sends the first alarm；Second alarm is used to receive the central processing unit transmission
The main shaft monitoring abnormal alarm come instructs and sends the second alarm；3rd alarm is used to receive the central processing unit
The tool monitoring abnormal alarm sent instructs and sends the 3rd alarm；The wireless communication module is used for described in real-time reception
The voltage signal and current signal of each motor and monitoring center is sent in the lathe that central processing unit is sent and technology refers to
Guiding center；The wireless communication module is additionally operable to the axial displacement value for the main shaft that central processing unit described in real-time reception is sent, axle
Vibration signal and rotating speed are simultaneously sent to monitoring center and technical guidance center；The wireless communication module is additionally operable in real time
Receive the position of the cutter pull bar that the central processing unit is sent, the hardness of tool abrasion and cutter and be sent to failure
Diagnostic center and technical guidance center.
In embodiments of the present invention, the central processing unit also signal is connected with on-site supervision photographing module, the scene
Monitoring camera module is used for the working condition of the live lathe of captured in real-time, and it is sent in monitoring by radio transmitter
The heart.The central processing unit also signal is connected with infrared temperature sensor, and the infrared temperature sensor is used to gather numerical control machine
The real time temperature signal of bed main shaft, and the main shaft real time temperature signal collected is sent in monitoring by radio transmitter
The heart.The central processing unit also signal is connected with the online particle detector of hydraulic oil, and the online particle detector of hydraulic oil is used
The granule content in hydraulic oil in monitoring hydraulic oil container.The central processing unit also signal is connected with display, described aobvious
Show that device is used to show Digit Control Machine Tool operating specification information.The central processing unit also signal is connected with backflow hydraulic pressure sensing
Device, the backflow hydraulic pressure sensor is used to monitor the backflow hydraulic pressure at overflow valve backflow end in Digit Control Machine Tool hydraulic station.It is described
Central processing unit is MSP430 single-chip microcomputers or model OMRON CP1E-N20DR-D PLC.The radio communication mold
Block is 3G wireless communication modules, 4G wireless communication modules or WIFI module.
In summary, a kind of Digit Control Machine Tool running status on-line monitoring provided in an embodiment of the present invention and warning system, lead to
Cross is used to monitor each motor voltage signal and current signal in lathe in real time using power parameter monitoring unit；Supervised using main shaft
Survey axial displacement value, shaft vibration signal and rotating speed that unit is used to monitor main shaft in real time；It is used for using tool monitoring unit real
When the monitoring position of cutter pull bar, tool abrasion and cutter hardness, realize the overall monitor to Digit Control Machine Tool, effectively
Ground plays the due function of numerical control equipment, and improves the service life of equipment.
Disclosed above is only several specific embodiments of the present invention, and still, the embodiment of the present invention is not limited to this, is appointed
What what those skilled in the art can think change should all fall into protection scope of the present invention.
Claims (8)
1. a kind of Digit Control Machine Tool running status on-line monitoring and warning system, it is characterised in that including：Power parameter monitoring is single
Member, main shaft monitoring unit, tool monitoring unit, central processing unit, prewarning unit and wireless communication module；
The power parameter monitoring unit is used for the voltage signal and current signal for monitoring each motor in lathe in real time, and by institute
The voltage signal and current signal of each motor are sent to the central processing unit in real time in the lathe monitored；
The main shaft monitoring unit is used for axial displacement value, shaft vibration signal and the rotating speed for monitoring main shaft in real time, and will be supervised
Axial displacement value, shaft vibration signal and the rotating speed value of the main shaft measured are sent to the central processing unit in real time；
The tool monitoring unit is used for the hardness for monitoring position, tool abrasion and the cutter of cutter pull bar in real time, and will
The hardness number of the position of the cutter pull bar monitored, tool abrasion and cutter is sent to the central processing unit in real time；
The central processing unit is used for the electricity of each motor in the lathe described in real-time reception transmitted by power parameter monitoring unit
Pressure signal and current signal are simultaneously sent to wireless communication module, and central processing unit is simultaneously by each motor in received lathe
Voltage signal and current signal and the motor of standard voltage signal and current signal carry out real time contrast, if received
There is abnormal, the central processing unit in one or two in both voltage signal and current signal of the motor of each in lathe
Power parameter monitoring abnormal alarm instruction is sent to the prewarning unit；
The central processing unit is additionally operable to the axial displacement value of the main shaft transmitted by main shaft monitoring unit described in real-time reception, shaft vibration
Signal and rotating speed are simultaneously sent to wireless communication module, central processing unit simultaneously by the axial displacement value of received main shaft,
It is right in real time that axial displacement value, shaft vibration signal and the rotating speed of shaft vibration signal and the main shaft of rotating speed and standard are carried out
Than if one or more appearance in the axial displacement value of received main shaft, shaft vibration signal and rotating speed three is different
Often, the central processing unit sends main shaft monitoring abnormal alarm instruction to the prewarning unit；
The central processing unit is additionally operable to the position of the cutter pull bar transmitted by tool monitoring unit described in real-time reception, cutter mill
Damage amount and the hardness of cutter are simultaneously sent to wireless communication module, and central processing unit is simultaneously by the position of received cutter pull bar
Put, the position of the cutter pull bar of the hardness of tool abrasion and cutter and standard, the hardness of tool abrasion and cutter are entered
Row real time contrast, if one in the hardness three of the position of received cutter pull bar, tool abrasion and cutter or
Person is multiple to there is exception, and the central processing unit sends tool monitoring abnormal alarm to the prewarning unit and instructed；
The prewarning unit includes the first alarm, the second alarm and the 3rd alarm；First alarm is used to connect
The power parameter monitoring abnormal alarm that the central processing unit sends is received to instruct and send the first alarm；Second alarm
Device instructs for receiving the main shaft monitoring abnormal alarm that the central processing unit is sent and sends the second alarm；Described 3rd
Alarm instructs for receiving the tool monitoring abnormal alarm that the central processing unit is sent and sends the 3rd alarm；
The wireless communication module is used for the voltage letter of each motor in the lathe that central processing unit described in real-time reception is sent
Number and current signal and be sent to monitoring center and technical guidance center；The wireless communication module is additionally operable to described in real-time reception
Axial displacement value, shaft vibration signal and the rotating speed of the main shaft that central processing unit is sent simultaneously are sent to monitoring center and technology
Instructing center；The wireless communication module be additionally operable to the cutter pull bar that central processing unit described in real-time reception is sent position,
The hardness of tool abrasion and cutter is simultaneously sent to fault diagnosis center and technical guidance center.
2. a kind of Digit Control Machine Tool running status on-line monitoring as claimed in claim 1 and warning system, it is characterised in that described
Central processing unit also signal is connected with on-site supervision photographing module, and the on-site supervision photographing module is used for the live machine of captured in real-time
The working condition of bed, and it is sent to monitoring center by radio transmitter.
3. a kind of Digit Control Machine Tool running status on-line monitoring as claimed in claim 1 and warning system, it is characterised in that described
Central processing unit also signal is connected with infrared temperature sensor, and the infrared temperature sensor is used to gather main shaft of numerical control machine tool
Real time temperature signal, and the main shaft real time temperature signal collected is sent to monitoring center by radio transmitter.
4. a kind of Digit Control Machine Tool running status on-line monitoring as claimed in claim 1 and warning system, it is characterised in that described
Central processing unit also signal is connected with the online particle detector of hydraulic oil, and the online particle detector of hydraulic oil is used to monitor liquid
Press oil the granule content in the hydraulic oil in case.
5. a kind of Digit Control Machine Tool running status on-line monitoring as claimed in claim 1 and warning system, it is characterised in that described
Central processing unit also signal is connected with display, and the display is used to show Digit Control Machine Tool operating specification information.
6. a kind of Digit Control Machine Tool running status on-line monitoring as claimed in claim 1 and warning system, it is characterised in that described
Central processing unit also signal is connected with backflow hydraulic pressure sensor, and the backflow hydraulic pressure sensor is used to monitor numerical control machine
The backflow hydraulic pressure at overflow valve backflow end in bed hydraulic station.
7. a kind of Digit Control Machine Tool running status on-line monitoring as claimed in claim 1 and warning system, it is characterised in that described
Central processing unit is MSP430 single-chip microcomputers or model OMRON CP1E-N20DR-D PLC.
8. a kind of Digit Control Machine Tool running status on-line monitoring as claimed in claim 1 and warning system, it is characterised in that described
Wireless communication module is 3G wireless communication modules, 4G wireless communication modules or WIFI module.
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| CN201710555858.8A CN107168244A (en) | 2017-07-10 | 2017-07-10 | A kind of Digit Control Machine Tool running status on-line monitoring and warning system |
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| CN201710555858.8A CN107168244A (en) | 2017-07-10 | 2017-07-10 | A kind of Digit Control Machine Tool running status on-line monitoring and warning system |
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Cited By (19)
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| CN107861476A (en) * | 2017-12-15 | 2018-03-30 | 重庆吉兰丁智能科技有限公司 | A kind of novel intelligent manufacture controller and its control method |
| CN108153239A (en) * | 2017-12-28 | 2018-06-12 | 江苏瑞苏科技有限公司 | A kind of online management method of processing center of numerical-control machine tool cutter |
| CN108388204A (en) * | 2018-01-23 | 2018-08-10 | 襄阳科威电气有限公司 | A kind of Remote Automatic Control System of metal-planing machine |
| CN109143979A (en) * | 2018-09-28 | 2019-01-04 | 浙江大学华南工业技术研究院 | Processing control method, system, readable storage medium storing program for executing and the equipment of numerical control device |
| CN109211545A (en) * | 2018-08-27 | 2019-01-15 | 广西科技大学鹿山学院 | CNC moves axle load automatic alarm device and its method |
| CN109459975A (en) * | 2018-11-13 | 2019-03-12 | 王鹂辉 | Numerically-controlled machine tool intelligent parts information reconciliation perceives neuron managing and control system |
| CN109581968A (en) * | 2018-12-18 | 2019-04-05 | 广东原点智能技术有限公司 | A kind of numerically-controlled machine tool real-time monitoring system and its implementation |
| CN110209116A (en) * | 2019-07-15 | 2019-09-06 | 太仓市智威智能科技有限公司 | A kind of management system for monitoring numerically-controlled machine tool operation data on-line |
| CN110263474A (en) * | 2019-06-27 | 2019-09-20 | 重庆理工大学 | A kind of cutter life real-time predicting method of numerically-controlled machine tool |
| CN110509110A (en) * | 2019-07-24 | 2019-11-29 | 深圳市五湖智联实业有限公司 | A kind of cutting tool for CNC machine cutting force intelligent monitor system |
| CN110597188A (en) * | 2019-09-25 | 2019-12-20 | 武汉誉德节能数据服务有限公司 | Method and device for identifying running state of numerical control equipment |
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| CN111948978A (en) * | 2019-05-17 | 2020-11-17 | 湖北欧安电气股份有限公司 | Data acquisition and monitoring system based on numerical control machine tool |
| CN112486096A (en) * | 2020-12-09 | 2021-03-12 | 中国兵器装备集团自动化研究所 | Machine tool operation state monitoring method |
| CN112637559A (en) * | 2020-12-10 | 2021-04-09 | 成都健数科技有限公司 | Intelligent monitoring device for machine tool and using method thereof |
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| CN107861476A (en) * | 2017-12-15 | 2018-03-30 | 重庆吉兰丁智能科技有限公司 | A kind of novel intelligent manufacture controller and its control method |
| CN108153239A (en) * | 2017-12-28 | 2018-06-12 | 江苏瑞苏科技有限公司 | A kind of online management method of processing center of numerical-control machine tool cutter |
| CN108388204A (en) * | 2018-01-23 | 2018-08-10 | 襄阳科威电气有限公司 | A kind of Remote Automatic Control System of metal-planing machine |
| CN109211545A (en) * | 2018-08-27 | 2019-01-15 | 广西科技大学鹿山学院 | CNC moves axle load automatic alarm device and its method |
| CN109143979A (en) * | 2018-09-28 | 2019-01-04 | 浙江大学华南工业技术研究院 | Processing control method, system, readable storage medium storing program for executing and the equipment of numerical control device |
| CN109459975A (en) * | 2018-11-13 | 2019-03-12 | 王鹂辉 | Numerically-controlled machine tool intelligent parts information reconciliation perceives neuron managing and control system |
| CN109581968A (en) * | 2018-12-18 | 2019-04-05 | 广东原点智能技术有限公司 | A kind of numerically-controlled machine tool real-time monitoring system and its implementation |
| CN111948978A (en) * | 2019-05-17 | 2020-11-17 | 湖北欧安电气股份有限公司 | Data acquisition and monitoring system based on numerical control machine tool |
| CN110263474A (en) * | 2019-06-27 | 2019-09-20 | 重庆理工大学 | A kind of cutter life real-time predicting method of numerically-controlled machine tool |
| CN110209116A (en) * | 2019-07-15 | 2019-09-06 | 太仓市智威智能科技有限公司 | A kind of management system for monitoring numerically-controlled machine tool operation data on-line |
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| CN111623830A (en) * | 2020-06-11 | 2020-09-04 | 深圳技术大学 | Method, device and system for monitoring operation state of electromechanical equipment |
| CN112486096A (en) * | 2020-12-09 | 2021-03-12 | 中国兵器装备集团自动化研究所 | Machine tool operation state monitoring method |
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