CN110222441A - Ball screw feeds acceleration test system - Google Patents
Ball screw feeds acceleration test system Download PDFInfo
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- CN110222441A CN110222441A CN201910507695.5A CN201910507695A CN110222441A CN 110222441 A CN110222441 A CN 110222441A CN 201910507695 A CN201910507695 A CN 201910507695A CN 110222441 A CN110222441 A CN 110222441A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
Abstract
The invention discloses a kind of ball screws to feed acceleration test system, is related to technical field of mechanical processing.The present invention includes test platform, computer, mathematical model establishes unit, data and curves establish unit and data acquisition unit；Computer one end establishes unit with data and curves respectively, mathematical model establishes unit, data acquisition unit, test platform are connect；Mathematical model, which establishes unit one end and establishes unit with data and curves, to be connect；Test platform one end is also connected with machine assembly and test cell；It includes ball screw temperature rise curve and bearing block thermal walking curve that data and curves, which establish unit,.The collocation that the present invention passes through machine assembly and test cell in test platform, the test device is set to carry out the simulation work under each working condition according to the running parameter that computer gives, and in the dynamic analog course of work, can the data parameters such as temperature, acceleration, deflection, displacement to ball screw carry out real-time dynamic monitoring.
Description
Technical field
The invention belongs to technical fields of mechanical processing, feed acceleration test system more particularly to a kind of ball screw.
Background technique
As the development of modern machine industry is increasingly towards automation, high speed, precise treatment, flexibility, intelligence, lightweight
Direction is developed, and more stringent requirements are proposed for the machining accuracy and reliability to lathe；Since ball screw has high efficiency, high-precision
The features such as degree, high rigidity, ball screw oneself become the preferred mechanism of machine tool movement component and positioning, and its application field
Constantly expanding, this requires high-speed machine tool not only feed speeds with higher, and acceleration with higher, most greatly
Velocity amplitude will reach 1 to 8g.
In a sense, High-speed machining promotes Machine Tool design to develop to " acceleration design " from " speed designs "
New stage only reaches high speed in moment and moment standard is stopped in high-speed cruising, high-speed motion just has for high-speed processing machine tool
Meaning, and high acceleration movement can cause huge dynamic loading to lathe, therefore take a series of effective measures, improve machine
The sound rigidity of bed, high speed ball leading screw driving system is still the principal mode of high-speed machine tool feed drive system at present, and one
As think: driving speed reaches 60m/min or more, and in 1G or so, precision reaches because in family standard GBT858713 acceleration-deceleration
P3 grades or more, performance indicator reaches design requirement person, can be referred to as high speed and precision ball screw.
Screw rod problem of temperature rise is the bottleneck for restricting high speed feed, solves the fever of screw rod caused by high acceleration and vibration, passes
The problems such as dynamic stiffness reduces, driven member inertia is big is the key that improve machine tool drive rigidity and motion qualities, in addition, high speed
Ball screw feed system dynamic property detects the continuous improvement with thermal characteristics research with servo feed speed and machining accuracy,
The problem of thermal deformation, seems more prominent, and various types of lathe, thermal deformation errors account for about 30% to the 50% of overall error,
In Machine Tool Feeding System, the frictional heat of frictional heat and spring bearing is generated between ball screw and nut, and then generate thermal change
Shape, for screw rod high speed rotation, thermal deformation will be more serious, or even occupies an leading position in thermal deformation of machine tool sometimes, therefore, is
It further increases machine tool accuracy, transmission stiffness and motion credibility, has to the research of thermal characteristic of machine tools very important
Meaning.
As numerically-controlled machine tool develops to high speed, there is temperature rising in ball wire bar pair, and noise increases, under positioning accuracy
Phenomena such as drop；To understand behavior pattern of the ball screw under different use conditions, can be tested by simulation, to system into
Mobile state performance detection carries out relevant experimental data analysis and analogue simulation analysis, obtains the main reason for influencing system performance,
To be directed to relevant issues, practicable solution is proposed, therefore, build a set of high speed ball screw dynamic property detection
System, and related experiment and theory analysis are carried out, equally have a very important significance.
Summary of the invention
The purpose of the present invention is to provide a kind of ball screws to feed acceleration test system, passes through test platform, data
Curve establishes unit, data acquisition unit and mathematics model foundation unit, and it is real to solve existing ball screw feeding acceleration
The problem of check system cannot carry out dynamic detection to ball screw performance.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is that a kind of ball screw feeds acceleration test system, including test platform, computer, mathematical model establish list
Member, data and curves establish unit and data acquisition unit；Unit, mathematical modulo are established in described computer one end with data and curves respectively
Type establishes unit, data acquisition unit, test platform connection；The mathematical model establishes unit one end and data and curves establish list
Member connection；Described test platform one end is also connected with machine assembly and test cell；
It includes ball screw temperature rise curve, noise curve, bearing block thermal walking curve, bearing block that the data and curves, which establish unit,
Temperature rise curve, oil inlet and outlet temperature rise curve, platform and screw rod accelerating curve, bearing block pre-tighten force curve；The mathematical model
Establishing unit includes ball screw temperature rise thermal deformation and Fast track surgery and ball screw feed system heat source model.
Further, the data acquisition unit by signal sampler acquisition come all data of self-test unit, into
And unit is established for data and curves and mathematics model foundation unit provides data basis.
Further, the test cell is for all data during collection machinery cell operation；The test is single
The signal sampler that the data real-time delivery monitored is extremely connected with computer by member by data circuit；The computer is in turn
All data curve is established by built-in data processing software；The machine assembly receives the control of computer, by computer
Given workflow or running parameter carry out test jobs.
Further, the mathematical model establishes unit and refers to computer by built-in Data Analysis Software and with data
Curve establishes all data curve in unit as according to progress ball screw temperature rise thermal deformation and Fast track surgery and ball wire
The foundation of bar feed system heat sources model.
Further, the ball screw temperature rise thermal deformation and Fast track surgery refer to computer according to ball screw temperature rise
The mathematical model that the affecting parameters of ball screw thermal deformation and acceleration are established；The ball screw feed system heat source mould
Type refers to the mathematical model foundation that computer mainly heats source progress to ball screw.
Further, the test cell includes No.1 sensor module, contact type temperature sensor and No. two sensors
Component；The No.1 sensor module includes pressure sensor, patch type temperature sensor and eddy current displacement sensor；It is described
No. two sensor modules include ranging grating scale, laser interferometer, noise transducer, acceleration transducer and non-contact temperature
Sensor；The machine assembly includes bearing block, ball screw oil inlet and outlet, ball screw and fixed platform；The No.1 passes
Sensor component is laid in bearing block；The contact type temperature sensor is laid in ball screw oil inlet and outlet；No. two sensings
Device assembly is laid in ball screw and fixed platform.
Further, the pressure sensor is laid in inside bearing block bracing ring, and then acquires the pressure for having bearing block
Data, that is, ball screw preload force data；Before the patch type temperature sensor is laid in bearing seating face, and then acquisition has
The temperature data of rear bearing block；The eddy current displacement sensor is laid in front and back bearings seat end face, and then acquisition has bearing block
Thermal walking data；The contact type temperature sensor acquisition has the temperature data of ball screw oil inlet and outlet.
Further, the ranging grating scale and laser interferometer are laid in one surface of fixed platform and face ball wire
Bar has the positioning accuracy data in ball screw motion process through data cooperation acquisition；The noise transducer is laid in fixation
Platform side and then acquisition have the noise data of ball screw and fixed platform；The acceleration transducer one is laid in fixation
Platform secondly being fixed on the weighted platform of ball screw, and then acquires the 3-axis acceleration for having ball screw and fixed platform
Data and amplitude data；The non-contact temperature sensor is laid in fixed platform along ball screw axis direction, and then adopts
Collection has the temperature data of ball screw.
The invention has the following advantages:
The present invention by the collocation of machine assembly and test cell in test platform, enable the test device according to computer to
Fixed running parameter carries out the simulation work under each working condition, and in the dynamic analog course of work, can be to ball screw
The data parameters such as temperature, acceleration, deflection, displacement carry out real-time dynamic monitoring, and under the auxiliary of computer software
It establishes the multiple parameters curve of ball screw and finally obtains the ball screw feeding acceleration mathematical model based on simulated experiment,
To be conducive to the research to ball screw high-speed feeding system, promote the perfect and development of high-speed feeding system, and facilitates
Ball screw is solved in the bottleneck problem developed in overweight.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the flow diagram that a kind of ball screw feeds acceleration test system；
Fig. 2 is the structural schematic diagram that data and curves establish unit；
Fig. 3 is the flowage structure schematic diagram of test platform.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention is that a kind of ball screw feeds acceleration test system, including test platform, calculating
Machine, mathematical model establish unit, data and curves establish unit and data acquisition unit；Computer one end is built with data and curves respectively
Vertical unit, mathematical model establish unit, data acquisition unit, test platform connection；Mathematical model establishes unit one end and data
Curve establishes unit connection；Test platform one end is also connected with machine assembly and test cell；
It includes ball screw temperature rise curve, noise curve, bearing block thermal walking curve, bearing block temperature rise that data and curves, which establish unit,
Curve, oil inlet and outlet temperature rise curve, platform and screw rod accelerating curve, bearing block pre-tighten force curve；Mathematical model establishes unit
Including ball screw temperature rise thermal deformation and Fast track surgery and ball screw feed system heat source model.
Wherein, data acquisition unit by signal sampler acquisition come all data of self-test unit, and then be data
Curve establishes unit and mathematics model foundation unit provides data basis.
Wherein, test cell is for all data during collection machinery cell operation；Test cell passes through data line
The signal sampler that the data real-time delivery monitored is extremely connected with computer by road；Computer passes through in turn at built-in data
Reason software establishes all data curve；Machine assembly receives the control of computer, the workflow or work given by computer
Parameter carries out test jobs.
Wherein, mathematical model is established unit reference computer and passes through built-in Data Analysis Software and established with data and curves
All data curve in unit is according to progress ball screw temperature rise thermal deformation and Fast track surgery and ball screw feeding system
The foundation for heat source model of uniting.
Wherein, ball screw temperature rise thermal deformation and Fast track surgery refer to computer according to ball screw temperature rise to ball wire
The mathematical model that the affecting parameters of bar thermal deformation and acceleration are established；Ball screw feed system heat source model refers to computer
The mathematical model that source progress is mainly heated to ball screw is established.
Wherein, test cell includes No.1 sensor module, contact type temperature sensor and No. two sensor modules；No.1
Sensor module includes pressure sensor, patch type temperature sensor and eddy current displacement sensor；The model of pressure sensor
For RP-S40-ST；The model Pt100 of patch type temperature sensor, the model ZA-GA of eddy current displacement sensor；No. two
Sensor module includes ranging grating scale, laser interferometer, noise transducer, acceleration transducer and non-contact temperature sensing
Device；The model YH-600 of ranging grating scale；The model SJ6000 of laser interferometer；The model of noise transducer
YSD130, the model MMA361LCR1 of acceleration transducer；The model IT2-50 of non-contact temperature sensor, it is mechanical single
Member includes bearing block, ball screw oil inlet and outlet, ball screw and fixed platform；No.1 sensor module is laid in bearing block；
Contact type temperature sensor is laid in ball screw oil inlet and outlet；No. two sensor modules are laid in ball screw and fix flat
Platform.
Wherein, pressure sensor is laid in inside bearing block bracing ring, and then acquiring has the pressure data of bearing block to roll
The preload force data of ballscrew；Patch type temperature sensor is laid in bearing seating face, and then acquires the temperature for having front and back bearings seat
Degree evidence；Eddy current displacement sensor is laid in front and back bearings seat end face, and then acquires the thermal walking data for having bearing block；Contact
Formula temperature sensor acquires the temperature data for having ball screw oil inlet and outlet.
Wherein, ranging grating scale and laser interferometer are laid in one surface of fixed platform and face ball screw, through data
Cooperation acquisition has the positioning accuracy data in ball screw motion process；Noise transducer is laid in fixed platform side and then adopts
Collection has the noise data of ball screw and fixed platform；Acceleration transducer one is laid in fixed platform, secondly being fixed on rolling
On the weighted platform of ballscrew, and then acquire the 3-axis acceleration data and amplitude data for having ball screw and fixed platform；It is non-
Contact type temperature sensor is laid in fixed platform along ball screw axis direction, and then acquires the temperature number for having ball screw
According to.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (8)
1. a kind of ball screw feeds acceleration test system, it is characterised in that:
Unit is established including test platform, computer, mathematical model, data and curves establish unit and data acquisition unit；It is described
Computer one end establishes unit with data and curves respectively, mathematical model establishes unit, data acquisition unit, test platform are connect；
The mathematical model, which establishes unit one end and establishes unit with data and curves, to be connect；Described test platform one end is also connected with mechanical single
Member and test cell；
It includes ball screw temperature rise curve, noise curve, bearing block thermal walking curve, bearing block that the data and curves, which establish unit,
Temperature rise curve, oil inlet and outlet temperature rise curve, platform and screw rod accelerating curve, bearing block pre-tighten force curve；The mathematical model
Establishing unit includes ball screw temperature rise thermal deformation and Fast track surgery and ball screw feed system heat source model.
2. a kind of ball screw according to claim 1 feeds acceleration test system, which is characterized in that the data are adopted
Collect unit by signal sampler acquisition come all data of self-test unit, and then establish unit and mathematical modulo for data and curves
Type establishes unit and provides data basis.
3. a kind of ball screw according to claim 1 feeds acceleration test system, which is characterized in that the test is single
Member is for all data during collection machinery cell operation；The test cell passes through the data that data circuit will monitor
The signal sampler that real-time delivery is extremely connected with computer；The computer passes through built-in data processing software in turn and establishes respectively
Item data curve；The machine assembly receives the control of computer, and the workflow or running parameter given by computer carries out
Test jobs.
4. a kind of ball screw according to claim 1 feeds acceleration test system, which is characterized in that the mathematical modulo
Type establishes unit and refers to all data song that computer is established by built-in Data Analysis Software and with data and curves in unit
Line is according to the foundation for carrying out ball screw temperature rise thermal deformation and Fast track surgery and ball screw feed system heat source model.
5. a kind of ball screw according to claim 1 feeds acceleration test system, which is characterized in that the ball wire
Bar temperature rise thermal deformation and Fast track surgery refer to computer according to ball screw temperature rise to ball screw thermal deformation and acceleration
The mathematical model that affecting parameters are established；It is main to ball screw that the ball screw feed system heat source model refers to computer
The mathematical model that heating source carries out is established.
6. a kind of ball screw according to claim 1 feeds acceleration test system, which is characterized in that the test is single
Member includes No.1 sensor module, contact type temperature sensor and No. two sensor modules；The No.1 sensor module includes
Pressure sensor, patch type temperature sensor and eddy current displacement sensor；No. two sensor modules include ranging grating
Ruler, laser interferometer, noise transducer, acceleration transducer and non-contact temperature sensor；The machine assembly includes axis
Hold seat, ball screw oil inlet and outlet, ball screw and fixed platform；The No.1 sensor module is laid in bearing block；It is described
Contact type temperature sensor is laid in ball screw oil inlet and outlet；No. two sensor modules are laid in ball screw and fixation
Platform.
7. a kind of ball screw according to claim 6 feeds acceleration test system, which is characterized in that the pressure passes
Sensor is laid in inside bearing block bracing ring, and then acquires the preload force data for having the i.e. ball screw of pressure data of bearing block；
The patch type temperature sensor is laid in bearing seating face, and then acquires the temperature data for having front and back bearings seat；The electricity whirlpool
Stream displacement sensor is laid in front and back bearings seat end face, and then acquires the thermal walking data for having bearing block；The contact temperature
Sensor acquires the temperature data for having ball screw oil inlet and outlet.
8. a kind of ball screw according to claim 6 feeds acceleration test system, which is characterized in that the ranging light
Grid ruler and laser interferometer are laid in one surface of fixed platform and face ball screw, have ball screw fortune through data cooperation acquisition
Positioning accuracy data during dynamic；The noise transducer, which is laid in fixed platform side and then acquires, to be had ball screw and consolidates
The noise data of fixed platform；The acceleration transducer one is laid in fixed platform, secondly being fixed on the load of ball screw
On platform, and then acquire the 3-axis acceleration data and amplitude data for having ball screw and fixed platform；The contactless temperature
Degree sensor is laid in fixed platform along ball screw axis direction, and then acquires the temperature data for having ball screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507695.5A CN110222441A (en) | 2019-06-12 | 2019-06-12 | Ball screw feeds acceleration test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507695.5A CN110222441A (en) | 2019-06-12 | 2019-06-12 | Ball screw feeds acceleration test system |
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| Publication Number | Publication Date |
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| CN110222441A true CN110222441A (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910507695.5A Pending CN110222441A (en) | 2019-06-12 | 2019-06-12 | Ball screw feeds acceleration test system |
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| CN102175138A (en) * | 2010-12-30 | 2011-09-07 | 大连高金数控集团有限公司 | Heat deformation detecting method of high speed ball screw |
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| CN103389205A (en) * | 2013-07-17 | 2013-11-13 | 西安交通大学 | Device for detecting comprehensive performance of ball screw assembly in loaded state |
| WO2014081281A2 (en) * | 2012-11-26 | 2014-05-30 | Universiti Malaya (Um) | Lubrication system in cnc machine linear guide ways for precise machining and less oil consumption |
| CN107725747A (en) * | 2017-10-13 | 2018-02-23 | 北京工业大学 | A kind of ball screw assembly, based on the compensation thermal deformation of small-sized refrigerator principle |
-
2019
- 2019-06-12 CN CN201910507695.5A patent/CN110222441A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175138A (en) * | 2010-12-30 | 2011-09-07 | 大连高金数控集团有限公司 | Heat deformation detecting method of high speed ball screw |
| CN102346097A (en) * | 2011-04-18 | 2012-02-08 | 兰州理工大学 | Overall performance test experimental platform for high-speed ball screw feeding system |
| WO2014081281A2 (en) * | 2012-11-26 | 2014-05-30 | Universiti Malaya (Um) | Lubrication system in cnc machine linear guide ways for precise machining and less oil consumption |
| CN103389205A (en) * | 2013-07-17 | 2013-11-13 | 西安交通大学 | Device for detecting comprehensive performance of ball screw assembly in loaded state |
| CN107725747A (en) * | 2017-10-13 | 2018-02-23 | 北京工业大学 | A kind of ball screw assembly, based on the compensation thermal deformation of small-sized refrigerator principle |
Non-Patent Citations (2)
| Title |
|---|
| 徐阳阳，祖莉，汪远远，欧屹，冯虎田: "滚珠丝杠副热变形模型理论分析及其对定位精度影响的试验研究", 《组合机床与自动化加工技术》 * |
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