CN102637017B - Real-time monitoring device and method for spindle performance and calibrating experimental device and method thereof - Google Patents
Real-time monitoring device and method for spindle performance and calibrating experimental device and method thereof Download PDFInfo
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- CN102637017B CN102637017B CN 201210128600 CN201210128600A CN102637017B CN 102637017 B CN102637017 B CN 102637017B CN 201210128600 CN201210128600 CN 201210128600 CN 201210128600 A CN201210128600 A CN 201210128600A CN 102637017 B CN102637017 B CN 102637017B
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Abstract
The invention discloses a real-time monitoring device and method for spindle performance and a calibrating experimental device and method thereof. The real-time monitoring device for spindle performance comprises a machine tool, a spindle mounted on the machine tool, a spindle monitoring and controlling ring mounted at the periphery of the spindle, a data processing unit and a numerical control system, wherein the spindle monitoring and controlling ring comprises a spacer sleeve; a mounting hole is formed on the spacer sleeve; a piezoelectric actuator and a temperature sensor are mounted in the mounting hole; the piezoelectric actuator and the temperature sensor are connected with the data processing unit; the data processing unit is used for carrying out filtering, analog-to-digital conversion and amplification on signals inputted by the piezoelectric actuator and the temperature sensor and then inputting to the numerical control system; and the numerical control system is used for adjusting the pre-tightening force of the spindle through the piezoelectric actuator according to the signal inputted by the data processing unit, controlling an alarm system to alarm, controlling a lubricating system to lubricate or controlling a cooling system to cool. The real-time monitoring device for spindle performance is simple in structure, is conveniently implemented and is widely applied to various machine tool spindle systems.
Description
Technical field
The present invention relates to main shaft Performance Detection and control technology field, especially the apparatus and method of the monitoring in real time of main shaft performance and control.
Background technology
The numerically-controlled machine intellectuality is another important developing direction after high precision, high-speed development, and its distinguishing feature is infotech and the intellectual technology degree of depth are merged and to be integrated in numerical control equipment and design thereof, the manufacture process.Machine tool chief axis is as the core component of precise numerical control machine, and its intelligent level is the key point of following intelligent machine tool level.
From in September, 2006 after IMTS exhibition Japan MAZAK company puts on display " self-adaptation " intelligent machine tool of its research and development, lathe companies such as Japan snuggles up to greatly, Fanuc, U.S. Cincinnati, Switzerland's Mick are bright have all begun the research and development of intelligent machine tool and intelligent main shaft, and have obtained certain achievement.Aspect intelligent principal shaft product, external main shaft or precision machine tool company extensively adopt the real-time accuracy compensation technique to improve the main shaft precision, as the horizontal boring-mill work of the DHP40 type high speed and precision center of DIXI company.The embedded many sensors of Switzerland's IBAG main shaft have functions such as bearing temperature control, bearing and mandrel vibration detection.In addition, the product of relevant main shaft intelligent monitoring is also come out one after another, and in Weiss company new main shaft monitoring and diagnostic system (SPIDS), sensor directly is integrated in the main shaft.The rugged Mazak in mountain is also developed a kind of " intelligent main shaft ", by being equipped with multiple sensors at main shaft, and by the NC device sensor information is handled, and can accomplish to prevent trouble before it happens to fault etc.; The Spindle Protection System (SPS) of the bright lathe of Mick manufacturing company is from the life cycle of spindle unit and current machining locus; the variation of data such as prediction main shaft temperature, vibration; and compare with measured data that sensor is collected; when uncommon deviation appears in measured data and prediction; SPS will attempt to judge the fault that may occur, and make disposal such as reduction of speed, shutdown, prompting replacing parts, notification operator.
In order to realize the multiple function of intelligent main shaft, need in the main shaft design process, increase sensors of various types, must cause the complicated of whole main axle structure like this.Along with the change of main axle structure, the performance of main shaft itself must be affected, and how to adopt simple effective method to realize the demand of the multiple function of intelligent main shaft, also needs to carry out the research of novel main shaft method for monitoring performance and device.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of is main shaft performance real time monitoring apparatus, method and standardization experimental apparatus thereof, the method for central role parts with the piezo-activator, by detection and the control to a plurality of piezo-activators, realize the real-time monitoring to axis system.
For achieving the above object, the present invention adopts following technical scheme:
A kind of main shaft performance real time monitoring apparatus, comprise lathe, be installed on main shaft on the lathe, be installed in main shaft observing and controlling ring, data processing unit and the digital control system of main shaft periphery, main shaft observing and controlling ring comprises spacer, spacer is provided with mounting hole, and piezo-activator and temperature sensor are installed in the mounting hole; Piezo-activator is connected data processing unit with temperature sensor; Described data processing unit carries out importing digital control system after filtering, analog to digital conversion and the amplification to the signal of piezo-activator and temperature sensor input; Digital control system comprises servo-drive system and programmable logic controller (PLC), and servo-drive system is connected with the motor of main shaft, and warning system, lubricating system, the cooling system of programmable logic controller (PLC) and lathe are connected; Pretightning force, the control warning system that digital control system is regulated main shaft according to the signal of data processing unit input by piezo-activator reported to the police, controlled lubricating system and be lubricated or control cooling system and cool off.
As the preferred embodiments of the present invention, piezo-activator evenly is installed on the spacer circumferencial direction in the equally distributed mounting hole, and the installation quantity of piezo-activator is greater than 3 and less than maximum quantity can be installed.
As the preferred embodiments of the present invention, data processing unit comprises single-chip microcomputer, signal condition unit, multi-way switch, AD conversion unit and power amplification unit; Piezo-activator on the main shaft observing and controlling ring is connected with the signal condition unit with temperature sensor, and the signal of piezo-activator and temperature sensor realizes that through the signal condition unit alternating current-direct current of sensor signal separates and signal filtering; Multi-way switch is connected with the signal condition unit, is used for the selection of multiple sensor signal; Power amplification unit is connected with multi-way switch, is used for the size conversion of signal; AD conversion unit is connected with power amplification unit, is used for detected analog signal conversion is become digital signal; Single-chip microcomputer connects signal condition unit, multi-way switch, AD conversion unit and power amplification unit, realizes the co-ordination of control signal conditioning unit, multi-way switch, AD conversion unit and power amplification unit by its built-in command.
As the preferred embodiments of the present invention, digital control system is according to the signal determining main shaft running status of data processing unit input, and described running status comprises that operation is normal, main shaft is overheated, main shaft flutter, main shaft fault and main shaft pretightning force are excessive.
The method for supervising of main shaft performance real time monitoring apparatus, when main shaft rotates under the driving of motor, temperature controller and piezo-activator during respectively with the main axis rotation that measures temperature analog signal and the signal condition unit of main shaft pretightning force analog input data signal processing unit, behind the signal condition unit filtering, be digital signal by AD conversion unit with analog signal conversion, by power amplification unit signal is amplified back input digital control system and carry out the judgement of main shaft running status, if the main shaft operation is normal, then proceed signals collecting and condition judgement; If it is overheated to be judged to be main shaft, then digital control system is sent the cooling system adjustment and is instructed to programmable logic controller (PLC), is that cooling system is passed in the instruction that cooling system can be carried out with instruction transformation, increases the flow of cooling system then, realizes the cooling of axis system; If be judged to be the main shaft flutter, then digital control system is sent speed of mainshaft adjustment instruction, and instruction realizes the adjustment of the speed of mainshaft by servo-drive system; If be judged to be the main shaft fault, then sent by digital control system and shut down and alarm command, realize the main shaft stall by servo-drive system, start the lathe warning system by programmable logic controller (PLC); If it is excessive to be judged to be the main shaft pretightning force, digital control system is sent pretightning force adjustment instruction, number of signals modular transformation by data processing unit is converted to simulating signal, deliver to power amplification unit by multi-way switch, power amplification unit control voltage is delivered to the overhang of piezo-activator control piezo-activator, realizes the adjustment of main shaft pretightning force.
A kind of standardization experimental apparatus of main shaft performance real time monitoring apparatus comprises the load joint of front-end of spindle, preceding end bearing, main shaft, main shaft observing and controlling ring, rear bearing, spacer ring, set nut, data conditioning unit, data collecting card, PC and main shaft control module; Preceding end bearing and rear end bearing are installed in the front and back end of main shaft respectively, are provided with spacer between the adjacent rear end bearing; Rear end bearing is fixed on the main shaft by the shaft shoulder and set nut, and preceding end bearing is fixed on the main shaft by end cap and bearing shoulder block; Main shaft observing and controlling ring is installed in the front end of rear end bearing, and is fixed on the main shaft by rear end bearing and bearing shoulder block; The data conditioning unit comprises signal condition unit, multi-way switch, AD conversion unit and power amplification unit; On the main shaft observing and controlling ring piezo-activator and temperature sensor are installed, piezo-activator is connected with the signal condition unit with temperature sensor, and the output signal of piezo-activator and temperature sensor carries out through the signal condition unit that alternating current-direct current separates and signal filtering; Multi-way switch is connected with the signal condition unit, is used for realizing the selection of multiple sensor signal; Power amplification unit is connected with multi-way switch, realizes the size conversion of signal; AD conversion unit is connected with power amplification unit, and it becomes digital signal with detected analog signal conversion; Signal condition unit, data collecting card, PC and main shaft control module are connected successively; PC comprises data acquisition unit, data analysis unit and data storage cell; The main shaft control module comprises rotary speed controling unit, cooling control module and lubricated control module.
As the preferred embodiments of the present invention, described standardization experimental apparatus also comprises axial charger and the radial loaded device that acts on the load joint.
A kind of scaling method of standardization experimental apparatus of main shaft performance real time monitoring apparatus, axially loading is connected with main shaft by the load joint with radial loaded, is used for the load simulated of different operating mode lower main axis; When simulating different operating mode, main shaft is loaded axially the load that makes progress with the footpath by axial loading and radial loaded respectively by the load joint, realize control to the speed of mainshaft by the main shaft control module by rotary speed controling unit, cooling control by cooling control module realization different flow realizes different lubricated controls of lubricating amount by lubricated control module; Behind the main shaft simulation operation, behind the temperature sensor of main shaft observing and controlling ring and the piezo-activator signal signal condition unit and AD conversion unit processing through the data conditioning unit, enter data collecting card, data collecting card is installed in the slot of PC, and carry out data acquisition, data analysis and data by the data acquisition unit on the PC, data analysis unit and data storage cell and store, after data process information distance calculating under the different operating modes or status flag calculate, form mode standard, be recorded to PC.
As the preferred embodiments of the present invention, described mode standard is stored in the digital control system of main shaft performance real time monitoring apparatus, be used for the main shaft condition judgement of the lathe course of work.
As the preferred embodiments of the present invention, vibration, temperature, pretension, load information that main shaft performance real-time monitoring system obtains according to the observing and controlling ring, adopt comparative analysis or information distance method to carry out the main shaft state and judge, and realize the state of axis system is shown and control in real time by PLC and digital control system.
Compared with prior art, the present invention's a kind of main shaft performance method for real-time monitoring and device have the following advantages at least: 1) among the present invention based on the observing and controlling ring of temperature sensor and piezo-activator, collection main shaft Performance Detection be controlled to be one; 2) based on the main shaft state identification method of mode standard, various states that can the effective recognition main shaft; 3) be that the main shaft performance real-time monitoring system of critical component is simple in structure with the observing and controlling ring, it is convenient to implement, and can be widely used in all kinds of machine-tool spindle systems.
Description of drawings
Fig. 1 is main shaft performance real time monitoring apparatus synoptic diagram of the present invention;
Fig. 2 is main shaft observing and controlling ring structure synoptic diagram of the present invention;
Fig. 3 is the schematic side view of Fig. 2;
Fig. 4 is main shaft performance real-time monitoring system standardization experimental apparatus synoptic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing main shaft performance method for real-time monitoring of the present invention and device are done concrete the introduction:
See also shown in Figure 1ly, main shaft performance real time monitoring apparatus of the present invention comprises main shaft observing and controlling ring 1, main shaft 2, data processing unit 6 and digital control system 7.Wherein data processing unit 6 comprises single-chip microcomputer 61, signal condition unit 62, multi-way switch 63, AD conversion unit 64 and power amplification unit 65.
Digital control system 7 comprises CNC kernel 71, communication interface 72, servo-drive system 73 and PLC74.Main shaft observing and controlling ring 1, data processing unit 6 and digital control system 7 constitute main shaft performance real time monitoring apparatus.
See also Fig. 2 and shown in Figure 3, main shaft observing and controlling ring 1 is made up of piezo-activator 11, temperature sensor 13 and spacer 12, piezo-activator 11 is installed on the spacer 12 in a circumferential direction in the equally distributed hole 22, and the quantity in hole 22 is for can install the integer of quantity greater than 3 less than maximum.After piezo-activator 11 installations, under no load state, its scalable end face is concordant with the end face 21 of spacer 12.
Piezo-activator 11 on the main shaft observing and controlling ring 1 is connected with signal condition unit 62 with temperature sensor 13, and the alternating current-direct current of the signal of piezo-activator 11 and temperature sensor 13 62 realization sensor signals through the signal condition unit separates and signal filtering.Multi-way switch 63 is connected with signal condition unit 62, is used for realizing the selection of multiple sensor signal.Power amplification unit 65 is connected with multi-way switch 63, realizes the size conversion of the simulating signal that faint sensor signal and computing machine provide by DA, to satisfy the requirement with the signal conversion of driving of sensor.AD conversion unit 64 is connected with power amplification unit 65, and it becomes digital signal with detected analog signal conversion, so that Computer Analysis and processing.
See also shown in Figure 1, main shaft observing and controlling ring 1 is installed in the rear end bearing place of main shaft 2, its output line links to each other with data processing unit 6, digital control system 7 adopts data line to be connected with data processing unit 6, the control that digital control system 7 realizes lathe 5 and main shaft 2 by servo-drive system 73 and PLC (programmable logic controller (PLC)) 74.
Lathe adds man-hour, and workpiece 4 is fixed on the lathe 5, and digital control system 7 control main shafts 2 cut by 3 pairs of workpiece 4 of cutter.In the working angles, many groups piezoelectric signal and the temperature sensor signal of main shaft observing and controlling ring 1 are constantly gathered by data processing unit 6, and by after signal condition unit 62 and AD conversion unit 64 processing, enter single-chip microcomputer 61 and carry out the main shaft state recognition, the main shaft status information after the identification is sent to digital control system 7 by data processing unit 6.After digital control system 7 receives the main shaft status signal of data processing unit 6, carry out the difference action according to unlike signal, if belong to alerting signal, then digital control system 7 display alarms; If the bearing running hot signal, digital control system 7 starts the cooling assisted instruction, carries out main shaft 2 coolings and adjusts; If cutter 3 breakages or resonance signal, 7 of digital control systems are carried out stall instruction, main shaft 2 stalls; If pretightning force is excessive, digital control system 7 is sent pretightning force adjustment instruction, single-chip microcomputer 61 in the data processing unit 6 sends signal and controls by the piezo-activator 11 in AD conversion unit 64, multi-channel switch module 63 and 65 pairs of main shaft observing and controlling of the power amplification unit ring 1, realizes the adjustment to main shaft 2 pretightning forces.
See also shown in Figure 4ly, the standardization experimental apparatus of main shaft performance real time monitoring apparatus comprises axial loading 10, radial loaded 20, load joint 30, preceding end bearing 40, main shaft 2, main shaft observing and controlling ring 1, rear bearing 70, spacer ring 80, set nut 90, data conditioning unit 100, data collecting card 110, PC 120 and main shaft control module 130.Wherein data conditioning unit 100 comprises signal condition unit 101, multi-way switch 102, AD conversion unit 103 and power amplification unit 104.
Piezo-activator 11 on the main shaft observing and controlling ring 1 is connected with signal condition unit 101 with temperature sensor 13, and the alternating current-direct current of the signal of piezo-activator 11 and temperature sensor 13 101 realization sensor signals through the signal condition unit separates and signal filtering.Multi-way switch 102 is connected with signal condition unit 101, is used for realizing the selection of multiple sensor signal.Power amplification unit 104 is connected with multi-way switch 102, realizes the size conversion of the simulating signal that faint sensor signal and computing machine provide by DA, to satisfy the requirement with the signal conversion of driving of sensor.AD conversion unit 103 is connected with power amplification unit 104, and it becomes digital signal with detected analog signal conversion, so that Computer Analysis and processing.
PC 120 comprises data acquisition unit 121, data analysis unit 122 and data storage cell 123.Main shaft control module 130 comprises rotary speed controling unit 131, cooling control module 132 and lubricated control module 133.
See also shown in Figure 4ly, axially load 10 and be connected with main shaft 2 by load joint 30 with radial loaded 20, realize the load simulated of different operating mode lower main axis 2.Preceding end bearing 40 and rear end bearing 70 are installed in the front and back end of main shaft 2 respectively, are provided with spacer 80 between the adjacent rear end bearing 70.Rear end bearing 70 is fixed on the main shaft 2 by the shaft shoulder and set nut 90, and preceding end bearing 40 is fixed on the main shaft 2 by end cap and bearing shoulder block.Main shaft observing and controlling ring 1 is installed in the front end of rear end bearing 70, and is fixed on the main shaft by rear end bearing 70 and bearing shoulder block.When simulating different operating mode, load axially the load that makes progress with the footpath respectively by 30 pairs of main shafts 2 of load joint by axial loading 10 and radial loaded 20, pass through the control that rotary speed controling unit 131 is realized the speed of mainshaft by main shaft control module 130, by the cooling control of cooling control module 132 realization different flows, realize different lubricated controls of lubricating amount by lubricated control module 133.Behind the main shaft simulation operation, behind the temperature sensor 13 of main shaft observing and controlling ring 1 and the piezo-activator 11 signals signal condition unit 101 and AD conversion unit 103 processing through data conditioning unit 100, enter data collecting card 110, data collecting card 110 is installed in the slot of PC 120, and by the data acquisition unit 121 on the PC 120, data analysis unit 122 and data storage cell 123 carry out data acquisition, data analysis and data storage, after data process information distance calculating under the different operating modes or status flag calculate, determine the vibration relevant with various running statuses, temperature, pretension, the load feature forms mode standard, is recorded to PC 120.Simultaneously, when the result of data analysis showed that need carry out the main shaft performance adjusts, PC 120 issued a signal to main shaft control module 130 and carries out rotating speed, cooling and lubricated relevant control; Carry out the bearing pre-tightened adjustment as needs, PC 120 transmits a signal to data collecting card 110, by AD conversion unit 103, multi-way switch 102 and power amplification unit 104 backs of data conditioning unit 100 piezo-activator 11 in the main shaft observing and controlling ring 1 is adjusted.Mode standard by main shaft performance real-time monitoring system standardization experimental apparatus obtains with the digital control system that is stored in the main shaft performance real time monitoring apparatus, is used for the main shaft condition discrimination of the lathe course of work.For the lathe that main shaft observing and controlling ring is installed, main shaft performance real-time monitoring system standardization experimental apparatus and scaling method thereof can carry out at lathe.
The above only is one embodiment of the present invention, it or not whole or unique embodiment, the conversion of any equivalence that those of ordinary skills take technical solution of the present invention by reading instructions of the present invention is claim of the present invention and contains.
Claims (9)
1. main shaft performance real time monitoring apparatus, it is characterized in that, comprise lathe, be installed on main shaft on the lathe, be installed in main shaft observing and controlling ring, data processing unit and the digital control system of main shaft periphery, main shaft observing and controlling ring comprises spacer, spacer is provided with mounting hole, and piezo-activator and temperature sensor are installed in the mounting hole; Piezo-activator is connected data processing unit with temperature sensor;
Described data processing unit carries out importing digital control system after filtering, analog to digital conversion and the amplification to the signal of piezo-activator and temperature sensor input;
Digital control system comprises servo-drive system and programmable logic controller (PLC), and servo-drive system is connected with the motor of main shaft, and warning system, lubricating system, the cooling system of programmable logic controller (PLC) and lathe are connected; Pretightning force, the control warning system that digital control system is regulated main shaft according to the signal of data processing unit input by piezo-activator reported to the police, controlled lubricating system and be lubricated or control cooling system and cool off.
2. main shaft performance real time monitoring apparatus as claimed in claim 1 is characterized in that, piezo-activator evenly is installed on the spacer circumferencial direction in the equally distributed mounting hole, and the installation quantity of piezo-activator is greater than 3 and less than maximum quantity can be installed.
3. main shaft performance real time monitoring apparatus as claimed in claim 1 is characterized in that, data processing unit comprises single-chip microcomputer, signal condition unit, multi-way switch, AD conversion unit and power amplification unit; Piezo-activator on the main shaft observing and controlling ring is connected with the signal condition unit with temperature sensor, and the signal of piezo-activator and temperature sensor realizes that through the signal condition unit alternating current-direct current of sensor signal separates and signal filtering; Multi-way switch is connected with the signal condition unit, is used for the selection of multiple sensor signal; Power amplification unit is connected with multi-way switch, is used for the size conversion of signal; AD conversion unit is connected with power amplification unit, is used for detected analog signal conversion is become digital signal; Single-chip microcomputer connects signal condition unit, multi-way switch, AD conversion unit and power amplification unit, realizes the co-ordination of control signal conditioning unit, multi-way switch, AD conversion unit and power amplification unit by its built-in command.
4. main shaft performance real time monitoring apparatus as claimed in claim 3, it is characterized in that, digital control system is according to the signal determining main shaft running status of data processing unit input, and described running status comprises that operation is normal, main shaft is overheated, main shaft flutter, main shaft fault and main shaft pretightning force are excessive.
5. as the method for supervising of claim 3 or 4 described main shaft performance real time monitoring apparatus, it is characterized in that: when main shaft rotates under the driving of motor, temperature controller and piezo-activator during respectively with the main axis rotation that measures temperature analog signal and the signal condition unit of main shaft pretightning force analog input data signal processing unit, behind the signal condition unit filtering, be digital signal by AD conversion unit with analog signal conversion, by power amplification unit signal is amplified back input digital control system and carry out the judgement of main shaft running status, if the main shaft operation is normal, then proceed signals collecting and condition judgement; If it is overheated to be judged to be main shaft, then digital control system is sent the cooling system adjustment and is instructed to programmable logic controller (PLC), is that cooling system is passed in the instruction that cooling system can be carried out with instruction transformation, increases the flow of cooling system then, realizes the cooling of axis system; If be judged to be the main shaft flutter, then digital control system is sent speed of mainshaft adjustment instruction, and instruction realizes the adjustment of the speed of mainshaft by servo-drive system; If be judged to be the main shaft fault, then sent by digital control system and shut down and alarm command, realize the main shaft stall by servo-drive system, start the lathe warning system by programmable logic controller (PLC); If it is excessive to be judged to be the main shaft pretightning force, digital control system is sent pretightning force adjustment instruction, number of signals modular transformation by data processing unit is converted to simulating signal, deliver to power amplification unit by multi-way switch, power amplification unit control voltage is delivered to the overhang of piezo-activator control piezo-activator, realizes the adjustment of main shaft pretightning force.
6. the standardization experimental apparatus of a main shaft performance real time monitoring apparatus, it is characterized in that, comprise the load joint of front-end of spindle, preceding end bearing, main shaft, main shaft observing and controlling ring, rear bearing, spacer ring, set nut, data conditioning unit, data collecting card, PC and main shaft control module;
Preceding end bearing and rear end bearing are installed in the front and back end of main shaft respectively, are provided with spacer between the adjacent rear end bearing; Rear end bearing is fixed on the main shaft by the shaft shoulder and set nut, and preceding end bearing is fixed on the main shaft by end cap and bearing shoulder block; Main shaft observing and controlling ring is installed in the front end of rear end bearing, and is fixed on the main shaft by rear end bearing and bearing shoulder block;
The data conditioning unit comprises signal condition unit, multi-way switch, AD conversion unit and power amplification unit;
On the main shaft observing and controlling ring piezo-activator and temperature sensor are installed, piezo-activator is connected with the signal condition unit with temperature sensor, and the output signal of piezo-activator and temperature sensor carries out through the signal condition unit that alternating current-direct current separates and signal filtering; Multi-way switch is connected with the signal condition unit, is used for realizing the selection of multiple sensor signal; Power amplification unit is connected with multi-way switch, realizes the size conversion of signal; AD conversion unit is connected with power amplification unit, and it becomes digital signal with detected analog signal conversion;
Signal condition unit, data collecting card, PC and main shaft control module are connected successively;
PC comprises data acquisition unit, data analysis unit and data storage cell; The main shaft control module comprises rotary speed controling unit, cooling control module and lubricated control module.
7. standardization experimental apparatus as claimed in claim 6 is characterized in that, described standardization experimental apparatus also comprises axial charger and the radial loaded device that acts on the load joint.
8. the scaling method of standardization experimental apparatus as claimed in claim 7 is characterized in that, axially loads to be connected with main shaft by the load joint with radial loaded, is used for the load simulated of different operating mode lower main axis; When simulating different operating mode, main shaft is loaded axially the load that makes progress with the footpath respectively by axial loading and radial loaded load joint, realize control to the speed of mainshaft by the main shaft control module by rotary speed controling unit, cooling control by cooling control module realization different flow realizes different lubricated controls of lubricating amount by lubricated control module; Behind the main shaft simulation operation, behind the temperature sensor of main shaft observing and controlling ring and the piezo-activator signal signal condition unit and AD conversion unit processing through the data conditioning unit, enter data collecting card, data collecting card is installed in the slot of PC, and carry out data acquisition, data analysis and data by the data acquisition unit on the PC, data analysis unit and data storage cell and store, after data process information distance calculating under the different operating modes or status flag calculate, form mode standard, be recorded to PC.
9. scaling method as claimed in claim 8 is characterized in that, described mode standard is stored in the digital control system of main shaft performance real time monitoring apparatus as claimed in claim 1, is used for the main shaft condition judgement of the lathe course of work.
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| CN 201210128600 CN102637017B (en) | 2012-04-27 | 2012-04-27 | Real-time monitoring device and method for spindle performance and calibrating experimental device and method thereof |
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| CN 201210128600 CN102637017B (en) | 2012-04-27 | 2012-04-27 | Real-time monitoring device and method for spindle performance and calibrating experimental device and method thereof |
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| CN113050542B (en) * | 2021-03-24 | 2023-01-03 | 武汉科技大学 | Method for distinguishing machining state of numerical control machine tool |
| CN115158734B (en) * | 2021-10-22 | 2024-01-30 | 苏州优斯登物联网科技有限公司 | Equipment abnormal action monitoring system and automation equipment |
| CN115808309B (en) * | 2023-02-09 | 2023-05-30 | 哈尔滨科锐同创机模制造有限公司 | Bearing monitoring method and system applied to bearing test |
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| CN102278379A (en) * | 2011-06-20 | 2011-12-14 | 西安交通大学 | Non-uniform-distribution pretightening-force-controllable high-speed main shaft based on piezoelectric actuator and control method thereof |
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| US6422757B1 (en) * | 2000-12-15 | 2002-07-23 | Industrial Technology Research Inst. | Active piezoelectric spindle bearing preload adjustment mechanism |
| WO2008026178A2 (en) * | 2006-08-31 | 2008-03-06 | Nxp B.V. | Frequency dependent i/q imbalance estimation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5221146A (en) * | 1991-04-16 | 1993-06-22 | Nissan Motor Co., Ltd. | Structure of bearing of geared shaft |
| CN102278379A (en) * | 2011-06-20 | 2011-12-14 | 西安交通大学 | Non-uniform-distribution pretightening-force-controllable high-speed main shaft based on piezoelectric actuator and control method thereof |
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