CN102126043A - Trans-scale design method of high-speed milling cutter and milling cutter - Google Patents
Trans-scale design method of high-speed milling cutter and milling cutter Download PDFInfo
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- CN102126043A CN102126043A CN2010100324680A CN201010032468A CN102126043A CN 102126043 A CN102126043 A CN 102126043A CN 2010100324680 A CN2010100324680 A CN 2010100324680A CN 201010032468 A CN201010032468 A CN 201010032468A CN 102126043 A CN102126043 A CN 102126043A
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Abstract
The invention discloses a trans-scale design method of a high-speed milling cutter and the milling cutter. At present, the research of the internal relation among a microstructure, a macrostructure and performance of cutter materials is absent, and scientific evidences of the design and the development of the novel high-speed milling cutter are absent. The method comprises the following steps of: (1) constructing a high-speed milling cutter safety decline behavioral characteristic model; (2) developing the high-speed milling cutter by using a high-speed milling cutter safety stability design model; (3) establishing a high-speed milling cutter safety decline behavioral characteristic model design matrix by a grey correlation analysis method to characterize the relation between milling cutter design parameters and safety decline; (4) establishing a high-speed milling cutter mesoscopic level safety model by a grey cluster analysis method; and (5) researching macroscopic and mesoscopic mechanical characteristics of a high-speed milling cutter component under the condition of presetting an external force boundary, and realizing force connection-based high-speed milling cutter trans-scale correlation through continuous medium-molecular dynamic characteristic zigzag mapping. The method is used for designing the high-speed milling cutter.
Description
Technical field:
The present invention relates to a kind of high-speed milling cutter and method for designing, be specifically related between a kind of high-speed milling cutter security mesoscopic structure territory, macrostructure territory and the functional domain mapping transformation and stride the related method for designing of yardstick.
Background technology:
Aspect high-speed milling cutter design and safety evaluatio, because the existence of inside and outside disturbance factor and the limitation of cognitive level, resulting information has ambiguity and uncertainty.
High-speed milling cutter security decline be non-linear many high fields mutual with coupling under, by microstructure change and microdefect nucleation, change with deformation defect to macro-scale and to form, until the evolution process of generation rupture failure.At present, because research, their differentiation behaviors under the effect of many high fields of lacking inner link between cutter material microstructure and macrostructure, the performance can't be quantitatively described novel high speed milling cutter design and development shortage scientific basis.
Summary of the invention:
The invention provides the related method for designing of a kind of high-speed milling cutter security continuous media that connects based on power-molecular dynamics, for the high-speed milling cutter optimal design with good dynamic military service performance provides theoretical foundation and basic engineering data.
Above-mentioned purpose realizes by following technical scheme:
High-speed milling cutter is striden the scale Design method, and this method comprises the steps:
(1) makes up high-speed milling cutter security decline behavioural characteristic model;
(2) adopt the high-speed milling cutter security and stability to design a model, carry out the high-speed milling cutter exploitation,, obtain in the high-speed milling process milling cutter construction, material and cutting parameter milling cutter component safety stability influence related data in conjunction with the high-speed milling test;
(3) adopt Grey Incidence Analysis, set up high-speed milling cutter security decline behavioural characteristic modelling matrix, characterize the relation between milling cutter design parameter and the security decline;
(4) research stress, strain are adopted grey clustering analysis method to high-speed milling cutter assembly crystal face cleavage, dislocation motion and dislocation nucleation, micro-crack extension, crystal boundary migration influence, set up high-speed milling cutter Jie and see the level security model;
(5) outside given, study high-speed milling cutter assembly macromechanics characteristic and mesoscopic mechanics characteristic under the force boundary condition, hint obliquely at, realize striding the yardstick association based on the high-speed milling cutter that power connects by continuous media-molecular dynamics characteristic " in a zigzag ".
A kind of described security high speed milling cutter, its composition comprises: the cutter head of handle of a knife and connection thereof, by to the milling cutter anterior angle, tool cutting edge angle, the cutter angle between teeth, cutter tooth number, milling cutter diameter, stiffness matrix, mass matrix and dynamic balance accuracy parameter series high-speed milling cutter macroscopic view/mesoscopic structure parameter and material are selected, in the mesoscopic structure territory, carry out " in a zigzag " mapping transformation between macrostructure territory and the functional domain, design matrix conversion and function degree of coupling quantitative evaluation, and, the mode that its macroscopic view/mesoscopic structure synchronization association evolutionary process is intuitively expressed is optimized the milling cutter that parameter obtains by the high-speed milling cutter security macroscopic view/Jie's sight security model and incidence matrix of design.
Beneficial effect of the present invention:
1. the present invention to be to realize that high-speed milling cutter safety, stable, high-efficient cutting are target, links up and integrates the sights/macro-level theory that is situated between, and proposes the high-speed milling cutter security continuous media-molecular dynamics association analysis method based on the power connection; Set up the coupling matching relationship of the motion of former subgroup and macroscopical motion of continuum, disclose high-speed milling cutter security decay mechanism; Propose mapping transformation method between mesoscopic structure territory, macrostructure territory and the functional domain, form high-speed milling cutter and stride the related designing technique of yardstick, for high-speed cutter design increases new method.
2. the present invention is to solve the high-speed milling cutter security problem that dynamically fails, realize that safe, stable, high-efficient cutting is a target, set up the coupling matching relationship of high-speed milling cutter former subgroup motion and motion of continuum, by between mesoscopic structure territory, macrostructure territory and functional domain, carrying out " in a zigzag " mapping transformation, design matrix conversion and function degree of coupling quantitative evaluation, realize the quantitative description of security decline behavior, break through the limitation of at present high-speed milling cutter security decline being familiar with, for the design of high-speed milling cutter material provides new method; Continuous media-molecular dynamics correlating method is introduced in the design of high-speed milling cutter axiom, and infiltration and development is to the design of high speed milling cutter bottom function optimization, realizes that the high-speed milling cutter security strides the related design of yardstick.
Description of drawings:
Accompanying drawing 1 is high-speed milling cutter Function Decomposition figure.
Accompanying drawing 2 is high-speed milling cutter security and stability test experiments results.Among the figure: abscissa is the milling cutter number of test points, and ordinate is milling cutter test point displacement (mm), and series 1 is milling cutter displacement curve under the rotating speed 5000rpm condition, and series 2 is milling cutter displacement curve under the rotating speed 16000rpm condition.
Accompanying drawing 3 is high-speed milling cutter security and stability Function Decomposition figure, among the figure: P
21iAnd P
22iBe respectively milling cutter anterior angle, tool cutting edge angle, cutter angle between teeth, cutter tooth number, milling cutter diameter, stiffness matrix, mass matrix and the dynamic balance accuracy etc. that influence milling cutter cutting vibration and stability.
Accompanying drawing 4 is that high-speed milling cutter Jie sees level security functions exploded view.
Accompanying drawing 5 is that high-speed milling cutter macroscopic view/Jie sees level mechanical characteristic correlation model.
Accompanying drawing 6 high-speed milling cutters macroscopic view/Jie sees the hierarchical structure correlation model.
Accompanying drawing 7 high-speed milling cutter security and stability test results.Among the figure: abscissa is the milling cutter number of test points, ordinate is milling cutter test point displacement (mm), series 1 is for adopting the high-speed milling cutter vibration displacement empirical curve of striding the related method for designing exploitation of yardstick, and series 2 is for adopting the high-speed milling cutter vibration displacement empirical curve of macroscopic properties analytical method exploitation.
The specific embodiment:
Embodiment 1:
High-speed milling cutter is striden the scale Design method, and this method comprises the steps:
1. the high-speed milling cutter security and stability foundation that designs a model.
Viewpoint according to the General Theory of design field-axiom design, from satisfying functions such as high-speed milling cutter security, cutting stability and stock-removing efficiency, between high milling cutter functional domain (FRs) and domain (DPs), carry out " in a zigzag " mapping transformation, its high-speed cutting function is decomposed, as shown in Figure 1.
Can obtain high-speed milling cutter Function Decomposition scheme thus is:
In the formula: A
11~ A
33For being respectively the secondary design matrix of high-speed milling cutter correlation function.
It is as shown in table 1 to make up high-speed milling cutter initial designs matrix:
In the table, P
11Be milling cutter component count and connection form, P
12Be milling cutter relative intensity, P
13Be milling cutter diameter and gear ratio, P
21Be cutter angle between teeth, P
22Be milling cutter dynamic balance accuracy, P
31Be coated carbides thermodynamic behaviour, P
321Be milling cutter diameter and axial length ratio, P
322Be cutter tooth axial error, P
323Be the milling cutter auxiliary angle.F
11Be High-speed Face Milling Cutter reliability, F
12Be milling cutter intensity inefficacy rotating speed, F
13Be milling cutter rigidity inefficacy rotating speed, F
21Be the dynamic cutting ability index of High-speed Face Milling Cutter M, F
22Be milling cutter vibration amplitude component, F
31Be High-speed Face Milling Cutter processing aluminium alloy cutting speed, F
321Be the residual height of finished surface that the milling cutter vibration produces, F
322Be the residual height of finished surface that the cutter tooth axial error produces, F
323For the milling cutter auxiliary angle produces the residual height of finished surface.
Table 1 high-speed milling cutter initial designs matrix
2. high-speed milling cutter security degenerative process is analyzed.
Adopt the high-speed milling cutter security and stability to design a model, carry out the high-speed milling cutter exploitation,, obtain in the high-speed milling process milling cutter construction, material and cutting parameter milling cutter component safety stability influence related data in conjunction with the high-speed milling test.Wherein, security and stability test experiments result is as shown in Figure 2 under rotating speed 5000rpm and 16000rpm condition for diameter 80mm high-speed milling cutter.
This experimental result shows that along with the raising of rotating speed, distortion of milling cutter assembly and displacement increase gradually, and the milling cutter Mass Distribution changes thereupon, and dynamic balance accuracy descends, the vibration aggravation, and high-speed milling cutter safety and stability state runs down.Before milling cutter integrality destruction was not taken place, there was a dynamic degenerative process in the high-speed milling cutter security.
3. high-speed milling cutter security decline behavioural characteristic model is set up.
According to high-speed milling cutter security and stability analysis result, the high-speed milling cutter cutting stability functional domain (F under centrifugal force and the effect of dynamic milling power
2) and vibration-proof structure territory (P
2) between carry out " in a zigzag " mapping transformation, carry out high-speed milling cutter safety and stability Function Decomposition, as shown in Figure 3: adopt Grey Incidence Analysis, set up high-speed milling cutter security decline behavioural characteristic modelling matrix, characterize the relation between milling cutter design parameter and the security decline, as shown in table 2:
Table 2 high-speed milling cutter security decline behavioural characteristic modelling matrix
In the table: F
211For the milling cutter anterior angle causes vibration, F
212For the milling cutter tool cutting edge angle causes vibration, F
213For the cutter angle between teeth causes vibration, F
214For cutter tooth number causes vibration, F
215For milling cutter diameter causes vibration, F
221For the milling cutter stiffness matrix causes vibration, F
222For the milling cutter mass matrix causes vibration, F
223For the milling cutter dynamic balance accuracy causes vibration.P
211Be milling cutter anterior angle, P
212Be milling cutter tool cutting edge angle, P
213Be cutter angle between teeth, P
214Be cutter tooth number, P
215Be milling cutter diameter, P
221Be milling cutter stiffness matrix, P
222Be milling cutter mass matrix, P
223Be the milling cutter dynamic balance accuracy.
4. high-speed milling cutter Jie sees the foundation of level security model.
Research stress, strain to high-speed milling cutter assembly crystal face cleavage, dislocation motion and dislocation nucleation,, micro-crack extension, crystal boundary migration influence, adopt grey clustering analysis method, set up the high-speed milling cutter sight level security model that is situated between, shown in Fig. 4 and formula (2).
Can obtain high-speed milling cutter Jie sight level security functions decomposing scheme thus is:
In the formula: A
J11~ A
J55Be respectively high-speed milling cutter Jie and see level security functions secondary design matrix.
5. high-speed milling cutter is striden the yardstick association foundation that designs a model
Research high-speed milling cutter assembly macroscopic view/mesoscopic mechanics characteristic under the force boundary condition is hinted obliquely at by continuous media-molecular dynamics characteristic " in a zigzag " outside given, realize striding the yardstick association based on the high-speed milling cutter that power connects, as shown in Figure 5:
Design parameter among Fig. 3 and the table 1 is carried out grey Cluster Evaluation, see the level mechanical characteristic by high-speed milling cutter macroscopic view/Jie and link up, set up high-speed milling cutter and stride the yardstick association and design a model with related, as shown in Figure 6:
Obtaining high-speed milling cutter thus strides the related design of yardstick and is:
P
H＝A
H·A
HJ·A
JJ·A
J·P
J (3)
In the formula: A
HBe high-speed milling cutter macro-level structure and macromechanics characteristics design matrix, A
HJBe the high-speed milling cutter macroscopic view/mesoscopic mechanics association of characteristics matrix that obtains by Fig. 8, A
JJBe high-speed milling cutter molecular dynamics characteristic and the sight level security association matrix that is situated between, A
JHigh-speed milling cutter Jie who obtains for foundation formula (2) reconstruct sees the hierarchical structure design matrix.
By formula (3), it is that milling cutter macrostructure change of mechanical property causes the molecular dynamics characteristic changing in the high-speed milling process that high-speed milling cutter is striden the related design of yardstick, and produces the design process of the sight hierarchical structure security response that is situated between.This method for designing is seen the security model and the incidence matrix of design by high-speed milling cutter security macroscopic view/Jie, its macroscopic view/mesoscopic structure synchronization association evolutionary process is intuitively expressed, and having disclosed milling cutter macroscopic view/mesoscopic structure, alloying component, cutting parameter influences rule to the security decline.
Adopt respectively high-speed milling cutter stride the related design of yardstick (step 5) and high-speed milling cutter macroscopic properties method for designing (and step 1) trial-production diameter 80mm high-speed milling cutter, security and stability test experiments result as shown in Figure 7 under rotating speed 16000rpm condition:
Under the constant condition of diameter and the number of teeth, adopting the experiment milling cutter vibration displacement excursion of striding the related method for designing exploitation of yardstick is 0.11 ~ 0.16mm, and adopting the experiment milling cutter vibration displacement scope of macroscopic properties analytical method exploitation is 0.26 ~ 0.35mm.Stride the related method for designing of yardstick and in the design of high-speed milling cutter security and stability, obviously be better than the macroscopic properties analytical method.
Experimental result shows that the macroscopic properties analytical method has only solved the matching problem of high-speed milling cutter macrostructure and security, and its security and stability is in relatively poor state; Stride the related method for designing of yardstick and then solved the matching problem of high-speed milling cutter macroscopic view/mesoscopic structure, material and security, its security and stability is improved significantly.
Embodiment 2:
A kind of described security high speed milling cutter, its composition comprises: the cutter head of handle of a knife and connection thereof, by to the milling cutter anterior angle, tool cutting edge angle, the cutter angle between teeth, cutter tooth number, milling cutter diameter, stiffness matrix, mass matrix and dynamic balance accuracy parameter series high-speed milling cutter macroscopic view/mesoscopic structure parameter and material are selected, in the mesoscopic structure territory, carry out " in a zigzag " mapping transformation between macrostructure territory and the functional domain, design matrix conversion and function degree of coupling quantitative evaluation, and, the mode that its macroscopic view/mesoscopic structure synchronization association evolutionary process is intuitively expressed is optimized the milling cutter that parameter obtains by the high-speed milling cutter security macroscopic view/Jie's sight security model and incidence matrix of design.
Claims (2)
1. a high-speed milling cutter is striden the scale Design method, it is characterized in that: this method comprises the steps:
(1) makes up high-speed milling cutter security decline behavioural characteristic model;
(2) adopt the high-speed milling cutter security and stability to design a model, carry out the high-speed milling cutter exploitation,, obtain in the high-speed milling process milling cutter construction, material and cutting parameter milling cutter component safety stability influence related data in conjunction with the high-speed milling test;
(3) adopt Grey Incidence Analysis, set up high-speed milling cutter security decline behavioural characteristic modelling matrix, characterize the relation between milling cutter design parameter and the security decline;
(4) research stress, strain are adopted grey clustering analysis method to high-speed milling cutter assembly crystal face cleavage, dislocation motion and dislocation nucleation, micro-crack extension, crystal boundary migration influence, set up high-speed milling cutter Jie and see the level security model;
(5) outside given, study high-speed milling cutter assembly macromechanics characteristic and mesoscopic mechanics characteristic under the force boundary condition, hint obliquely at, realize striding the yardstick association based on the high-speed milling cutter that power connects by continuous media-molecular dynamics characteristic " in a zigzag ".
2. the described security high speed of claim 1 milling cutter, its composition comprises: the cutter head of handle of a knife and connection thereof, it is characterized in that: by to the milling cutter anterior angle, tool cutting edge angle, the cutter angle between teeth, cutter tooth number, milling cutter diameter, stiffness matrix, mass matrix and dynamic balance accuracy parameter series high-speed milling cutter macroscopic view/mesoscopic structure parameter and material are selected, in the mesoscopic structure territory, carry out " in a zigzag " mapping transformation between macrostructure territory and the functional domain, design matrix conversion and function degree of coupling quantitative evaluation, and, the mode that its macroscopic view/mesoscopic structure synchronization association evolutionary process is intuitively expressed is optimized the milling cutter that parameter obtains by the high-speed milling cutter security macroscopic view/Jie's sight security model and incidence matrix of design.
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| CN102632284A (en) * | 2011-12-14 | 2012-08-15 | 哈尔滨理工大学 | Technological method for controlling consumption of cutter in process of milling large-size quenched steel curve at high speed |
| CN103331473A (en) * | 2013-05-17 | 2013-10-02 | 西安交通大学 | Ultra-dense tooth face milling cutter and design method thereof |
| CN105666250A (en) * | 2016-03-25 | 2016-06-15 | 哈尔滨理工大学 | Detection method for turning precision consistency |
| CN108436596A (en) * | 2017-06-06 | 2018-08-24 | 哈尔滨理工大学 | A kind of milling cutter damage method of prognosis based on high-speed milling cutter component atom group's configuration |
| CN109940459A (en) * | 2019-04-10 | 2019-06-28 | 哈尔滨理工大学 | A kind of multiple dimensioned recognition methods of efficient milling cutter damage |
| CN110222454A (en) * | 2019-06-14 | 2019-09-10 | 哈尔滨理工大学 | The process design method of Milling Process precision consistency |
| CN111985825A (en) * | 2020-08-26 | 2020-11-24 | 东北大学 | Crystal face quality evaluation method for roller mill orientation instrument |
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| CN100588487C (en) * | 2008-05-14 | 2010-02-10 | 北京航空航天大学 | Multi-coordinate end milling process tool position optimization method using longitude line division tool bit |
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2010
- 2010-01-14 CN CN201010032468A patent/CN102126043B/en not_active Expired - Fee Related
Cited By (14)
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| CN102632284A (en) * | 2011-12-14 | 2012-08-15 | 哈尔滨理工大学 | Technological method for controlling consumption of cutter in process of milling large-size quenched steel curve at high speed |
| CN102632284B (en) * | 2011-12-14 | 2015-11-11 | 哈尔滨理工大学 | Control the process of high-speed milling large-scale hardened steel curved facet tool consumption |
| CN103331473A (en) * | 2013-05-17 | 2013-10-02 | 西安交通大学 | Ultra-dense tooth face milling cutter and design method thereof |
| CN103331473B (en) * | 2013-05-17 | 2015-10-28 | 西安交通大学 | A kind of ultra dense flank of tooth milling cutter and method for designing thereof |
| CN105666250A (en) * | 2016-03-25 | 2016-06-15 | 哈尔滨理工大学 | Detection method for turning precision consistency |
| CN105666250B (en) * | 2016-03-25 | 2018-03-30 | 哈尔滨理工大学 | A kind of detection method of turnery processing precision uniformity |
| CN108436596A (en) * | 2017-06-06 | 2018-08-24 | 哈尔滨理工大学 | A kind of milling cutter damage method of prognosis based on high-speed milling cutter component atom group's configuration |
| CN108436596B (en) * | 2017-06-06 | 2019-10-25 | 哈尔滨理工大学 | A kind of milling cutter damage method of prognosis based on high-speed milling cutter component atom group's configuration |
| CN109940459A (en) * | 2019-04-10 | 2019-06-28 | 哈尔滨理工大学 | A kind of multiple dimensioned recognition methods of efficient milling cutter damage |
| CN109940459B (en) * | 2019-04-10 | 2020-06-05 | 哈尔滨理工大学 | Efficient multi-scale identification method for damage of milling cutter |
| CN110222454A (en) * | 2019-06-14 | 2019-09-10 | 哈尔滨理工大学 | The process design method of Milling Process precision consistency |
| CN110222454B (en) * | 2019-06-14 | 2022-03-22 | 哈尔滨理工大学 | Process design method for milling precision consistency |
| CN111985825A (en) * | 2020-08-26 | 2020-11-24 | 东北大学 | Crystal face quality evaluation method for roller mill orientation instrument |
| CN111985825B (en) * | 2020-08-26 | 2023-10-27 | 东北大学 | Crystal face quality assessment method for roller mill orientation instrument |
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