CN103949701A - Special-shaped part milling processing method based on rotating vectors - Google Patents

Special-shaped part milling processing method based on rotating vectors Download PDF

Info

Publication number
CN103949701A
CN103949701A CN201410138154.7A CN201410138154A CN103949701A CN 103949701 A CN103949701 A CN 103949701A CN 201410138154 A CN201410138154 A CN 201410138154A CN 103949701 A CN103949701 A CN 103949701A
Authority
CN
China
Prior art keywords
rotating
milling
vector
electric
processing
Prior art date
Application number
CN201410138154.7A
Other languages
Chinese (zh)
Other versions
CN103949701B (en
Inventor
杨静
王茂方
Original Assignee
西安理工大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 西安理工大学 filed Critical 西安理工大学
Priority to CN201410138154.7A priority Critical patent/CN103949701B/en
Publication of CN103949701A publication Critical patent/CN103949701A/en
Application granted granted Critical
Publication of CN103949701B publication Critical patent/CN103949701B/en

Links

Abstract

The invention discloses a special-shaped part milling processing method based on rotating vectors. With utilization of a signal analysis technology, frequency spectrum analysis of a closed curve of an outer contour of a processed part is carried out, and work of a processing mechanism is controlled according to rotating vector-superimposed trajectory parameters. According to the method, the milling processing mechanism is arranged based on the rotation vectors, is used for processing some special-shaped parts, improves the processing efficiency, reduces the processing cost, has high processing accuracy, and is suitable for processing small batch of special-shaped parts; and the method can alternate the design of the processing mechanism in allusion to outer contours of different parts, and has a certain universality.

Description

Irregular part milling method based on rotating vector
Technical field
The invention belongs to Machining Technology field, relate to a kind of irregular part milling method based on rotating vector.
Background technology
The special-shaped plate-like class part of tradition generally adopts numerical control mill or line cutting mode, carries out Milling Process, in order to improve precision, very high to the requirement of Digit Control Machine Tool, obviously increased equipment cost, and working (machining) efficiency is lower.
Summary of the invention
The object of this invention is to provide a kind of irregular part milling method based on rotating vector, solved existing processing method equipment cost high, the problem that working (machining) efficiency is low.
The technical solution adopted in the present invention is, a kind of irregular part milling method based on rotating vector, by the spectrum analysis to processing parts outline closed curve, obtain rotating vector stack trajectory parameters, then according to the work of rotating vector stack trajectory parameters controlled working mechanism.
The invention has the beneficial effects as follows, compare with common digital control processing: the Milling Process mechanism 1) arranging based on rotating vector, for the processing of some irregular parts, improved working (machining) efficiency, reduced processing cost, machining accuracy is high, is applicable to the processing of small lot irregular part.2) preparation method of the milling machine tool based on rotating vector, utilize the 2D signal Fourier of signal to change, plane closed curve can be decomposed into the stack of a plurality of rotating vectors, utilize this principle, the boundary curve of irregular part can be decomposed into the stack of a plurality of rotating vectors, by controlling rotating speed and size and the initial phase of each rotating vector, the speed that control rotatablely moves is eaily, can for different part outer contours, carry out the shift design of organisation of working, there is certain versatility.
Accompanying drawing explanation
Fig. 1 is the closed curve rotating vector decomposition principle schematic diagram that the inventive method adopts;
Fig. 2 is the Two Dimensional Rotating vector Milling Process mechanism structure schematic diagram that the inventive method adopts;
Fig. 3 is the structural representation of the inventive method embodiment special-shaped discoid part to be processed.
In figure, 1. part section bar, 2. workpiece electric rotating machine, 3. milling cutter electricity main shaft, 4. knife rest electric rotating machine, 5. bed piece.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
With reference to Fig. 1, it is the irregular part milling method that the present invention is based on rotating vector, the closed curve rotating vector decomposition principle adopting, adopt complex vector to represent the some position in two dimensional surface, setting f (t) is a closed curve going round and beginning again planar, and plane inner sealing curve f (t) can be write as one take the complex function that t is independent variable:
F (t)=x (t)+iy (t), wherein, X (t) is the projection of f (t) on real axis; T (t) is the projection of f (t) in the imaginary axis; f (t) is launched into Fourier space form by following formula:
f ( t ) = Σ n = - ∞ ∞ C n e in ω 0 t ( n = 0 , ± 1 , ± 2 , . . . . . . ) , ω wherein 0fundamental frequency, i.e. the angular speed of main shaft, C nbe a plural number, write as
The basic principle of analyzing according to signal spectra, the closed curve in plane always can be decomposed into the stack that a plurality of circular motion are rotating vector, and the angular speed of these circular motion is n ω 0, during n > 0 and main shaft rotation in the same way, reverse during n < 0; represent amplitude and the initial phase of rotating vector, radius is r nbe the amplitude of rotating vector, initial phase angle is
Utilize this above-mentioned principle, for some special-shaped disk-like accessories, by extracting part outer contour, carry out closed curve analysis of spectrum, then utilize the thinking design processing method of rotating vector stack.The rotating vector that following table 1 has provided the peripheral outline lines of three class discoid parts decomposes.
The rotating vector of table 1, the peripheral outline line of three class discoid parts decomposes contrast
With reference to Fig. 2, the Two Dimensional Rotating vector Milling Process mechanism structure that the inventive method relies on is, comprise the knife rest electric rotating machine 4(rotating vector 2 that is fixedly mounted on respectively bed piece 5 upper and lower table tops) and workpiece electric rotating machine 2(rotating vector 1), on the main shaft of workpiece electric rotating machine 2, install and need the part section bar 1 of Milling Process, knife rest electric rotating machine 4 is connected with milling cutter electricity main shaft 3 by swinging mounting, the axle head of milling cutter electricity main shaft 3 is provided with milling cutter, for part section bar 1 is carried out to Milling Process; Workpiece electric rotating machine 2 is connected with electric control system with knife rest electric rotating machine 4, accepts the unified control of coordinating.
Workpiece electric rotating machine 2 is one dimension rotating vector for driving part section bar 1 rotation to realize equipment rotating vector 1() rotation; Knife rest electric rotating machine 4 is for driving the rotation of milling cutter, and realizing equipment rotating vector 2(is Two Dimensional Rotating vector) rotation.Distance R 1 between the center line of the center line of workpiece electric rotating machine 2 and knife rest electric rotating machine 4 is the amplitude of one dimension rotating vector; Distance R 2 between the center line of knife rest electric rotating machine 4 and the center line of milling cutter is amplitudes of Two Dimensional Rotating vector.
Irregular part milling method based on rotating vector of the present invention, utilize signal analysis technology, by the spectrum analysis to processing parts outline closed curve, obtain rotating vector stack trajectory parameters, according to the work of rotating vector stack trajectory parameters controlled working mechanism, specifically according to following steps, implement again:
Step 1: the outline curve that extracts the plate-like class part that needs processing:
Step 2: the outline closed curve to this plate-like class part is rotated vector spectrum analysis, is decomposed into Two Dimensional Rotating vector, and calculate the parameter of each rotating vector;
Step 3: the rotating vector parameter obtaining according to spectrum analysis, the structural parameters of setting Milling Process mechanism, comprise structural parameters R 1and R 2, control the rotating speed w of parameter workpiece electric rotating machine 2 and knife rest electric rotating machine 4 1and w 2, and the initial phase φ of two motors 1and φ 2;
Step 4: the outline of working plate-like class part, by controlling the phase place of two rotating vectors of time difference control of two electric motor startings two electric machine rotations are realized the stack action of Two Dimensional Rotating vector, and the track of milling cutter is the outline of processing parts, by milling cutter, adopts electric main shaft to realize Milling Process part outer contour.
Embodiment
With reference to Fig. 3, the present invention processes a kind of special-shaped plate-like class part embodiment, and the spectrum analysis of this part outer contour f (t) is: f ( t ) = 6 e i &CenterDot; ( 2 &pi;t + 1 4 &pi; ) + e i &CenterDot; ( 12 &pi;t + 2 3 &pi; ) , The blockade line of this part outline is decomposed into two rotating vectors, and each vector parameters is respectively with reference to shown in following table 1:
Table 1, Fig. 3 embodiment decompose each vector parameters of latter two rotating vector
Utilize above-mentioned discoid part spectrum analysis setting parameter as the Milling Process mechanism structure parameter of Fig. 2, on the crossbeam of lathe bed 5 mounting tool post electric rotating machines 4, have bar shaped installing hole, installation site that can follow rest electric rotating machine 4, thus realize first rotation amplitude R 1; The position of milling cutter electricity main shaft 3 on swinging mounting can axially be adjusted, to realize the second rotation amplitude R 2.Workpiece electric rotating machine 2 is adjusted by electric control system with the rotating speed of knife rest electric rotating machine 4; Initial phase is by controlling poor adjustment running time of two motors.

Claims (3)

1. the irregular part milling method based on rotating vector, its feature is: by the spectrum analysis to processing parts outline closed curve, obtain rotating vector stack trajectory parameters, then according to the work of rotating vector stack trajectory parameters controlled working mechanism.
2. the irregular part milling method based on rotating vector according to claim 1, its feature is, the method is specifically implemented according to following steps:
Step 1: the outline curve that extracts the plate-like class part that needs processing:
Step 2: the outline closed curve to this plate-like class part is rotated vector spectrum analysis, is decomposed into Two Dimensional Rotating vector, and calculate the parameter of each rotating vector;
Step 3: the rotating vector parameter obtaining according to spectrum analysis, the structural parameters of setting Milling Process mechanism, comprise structural parameters R 1and R 2, control the rotating speed w of parameter workpiece electric rotating machine (2) and knife rest electric rotating machine (4) 1and w 2, and the initial phase φ of two motors 1and φ 2;
Step 4: the outline of working plate-like class part, by controlling the phase place of two rotating vectors of time difference control of two electric motor startings two electric machine rotations are realized the stack action of Two Dimensional Rotating vector, and the track of milling cutter is the outline of processing parts, by milling cutter, adopts electric main shaft to realize Milling Process part outer contour.
3. the irregular part milling method based on rotating vector according to claim 2, its feature is, the device that the method relies on is, comprise and being fixedly mounted on respectively on bed piece (5), the knife rest electric rotating machine (4) of following table and workpiece electric rotating machine (2), on the main shaft of workpiece electric rotating machine (2), install and need the part section bar (1) of Milling Process, knife rest electric rotating machine (4) is connected with milling cutter electricity main shaft (3) by swinging mounting, the axle head of milling cutter electricity main shaft (3) is provided with milling cutter, workpiece electric rotating machine (2) is connected with electric control system with knife rest electric rotating machine (4).
CN201410138154.7A 2014-04-08 2014-04-08 Based on the irregular part milling method of rotating vector CN103949701B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410138154.7A CN103949701B (en) 2014-04-08 2014-04-08 Based on the irregular part milling method of rotating vector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410138154.7A CN103949701B (en) 2014-04-08 2014-04-08 Based on the irregular part milling method of rotating vector

Publications (2)

Publication Number Publication Date
CN103949701A true CN103949701A (en) 2014-07-30
CN103949701B CN103949701B (en) 2016-04-20

Family

ID=51327124

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410138154.7A CN103949701B (en) 2014-04-08 2014-04-08 Based on the irregular part milling method of rotating vector

Country Status (1)

Country Link
CN (1) CN103949701B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104308239A (en) * 2014-10-10 2015-01-28 哈尔滨汽轮机厂有限责任公司 Sticky processing method for diversion core mandrel
CN107225274A (en) * 2016-03-24 2017-10-03 株式会社牧野铣床制作所 Cutting working method and lathe
CN108080769A (en) * 2017-11-03 2018-05-29 宁波新讯达机械科技有限公司 A kind of irregular part milling attachment and its application method based on rotating vector
CN109015068A (en) * 2018-08-12 2018-12-18 余静远 A kind of circular cylindrical coordinate lathe
CN109015070A (en) * 2018-08-12 2018-12-18 余静远 A kind of numerically-controlled machine tool
CN109015069A (en) * 2018-08-12 2018-12-18 余静远 A kind of processing circle feature lathe

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011022898A (en) * 2009-07-17 2011-02-03 Doshisha Cutting method for work material
CN102137729A (en) * 2008-07-15 2011-07-27 开明技术股份公司 Method for producing a prefabricated part from an unmachined part by means of a milling tool
CN102490081A (en) * 2011-11-14 2012-06-13 华中科技大学 Workpiece three-dimensional surface topography simulating method based on ball head milling
CN102608951A (en) * 2011-01-25 2012-07-25 沈阳机床(集团)设计研究院有限公司上海分公司 Five-axis linkage cutter shaft vector plane interpolation algorithm
CN103537743A (en) * 2013-10-05 2014-01-29 成都泛华航空仪表电器有限公司 Multi-axis curved surface type numerically-controlled method for machining complicated curved surface part

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102137729A (en) * 2008-07-15 2011-07-27 开明技术股份公司 Method for producing a prefabricated part from an unmachined part by means of a milling tool
JP2011022898A (en) * 2009-07-17 2011-02-03 Doshisha Cutting method for work material
CN102608951A (en) * 2011-01-25 2012-07-25 沈阳机床(集团)设计研究院有限公司上海分公司 Five-axis linkage cutter shaft vector plane interpolation algorithm
CN102490081A (en) * 2011-11-14 2012-06-13 华中科技大学 Workpiece three-dimensional surface topography simulating method based on ball head milling
CN103537743A (en) * 2013-10-05 2014-01-29 成都泛华航空仪表电器有限公司 Multi-axis curved surface type numerically-controlled method for machining complicated curved surface part

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104308239A (en) * 2014-10-10 2015-01-28 哈尔滨汽轮机厂有限责任公司 Sticky processing method for diversion core mandrel
CN107225274A (en) * 2016-03-24 2017-10-03 株式会社牧野铣床制作所 Cutting working method and lathe
CN107225274B (en) * 2016-03-24 2019-12-24 株式会社牧野铣床制作所 Cutting method and machine tool
CN108080769A (en) * 2017-11-03 2018-05-29 宁波新讯达机械科技有限公司 A kind of irregular part milling attachment and its application method based on rotating vector
CN109015068A (en) * 2018-08-12 2018-12-18 余静远 A kind of circular cylindrical coordinate lathe
CN109015070A (en) * 2018-08-12 2018-12-18 余静远 A kind of numerically-controlled machine tool
CN109015069A (en) * 2018-08-12 2018-12-18 余静远 A kind of processing circle feature lathe
CN109015070B (en) * 2018-08-12 2019-11-12 平湖市成功机械有限公司 A kind of numerically-controlled machine tool
CN109015069B (en) * 2018-08-12 2019-12-27 南京良高金属制品有限公司 Machine tool for machining circular features
CN109015068B (en) * 2018-08-12 2020-05-19 余静远 Cylindrical coordinate machine tool

Also Published As

Publication number Publication date
CN103949701B (en) 2016-04-20

Similar Documents

Publication Publication Date Title
CN103501945B (en) For rolling the method for shaving processing and there is equipment accordingly that roll shaver device
CN102161159B (en) Vertical-horizontal combined machining centre
CN102078967B (en) Hybrid frequency-driven three-dimensional ellipse turning method
CN102681488B (en) Modeling method for milling surface appearance of workpiece
CN103056658B (en) A kind of aggregation type lathe
CN103079757A (en) Chatter vibration detection method, chatter vibration avoidance method, and machine tool
CN103302360B (en) For cutting the method for ground processing work
JP5269881B2 (en) Processing equipment
CN102151909B (en) Large-scale numerical control gear machining machine tool
CN202667748U (en) Horizontal-type double-faced milling machine
CN107077121B (en) Diagnostic device is processed in vibrocutting
CN103192109B (en) Four axle deep hole drilling machines
CN203901046U (en) Machine for grinding special bevel edge of glass
CN203171010U (en) Four-shaft deep hole drilling machine
CN106292529B (en) A kind of processing path generation method of lathe
CN202684644U (en) Five-axis linkage machining center
CN201300235Y (en) Numerical-control double-spindle milling machine for the star-wheel sheet processing
CN202317655U (en) Six-station disc processing machine
CN103264229A (en) Multi-station laser cutting machine tool
CN202239829U (en) Horizontal type double-face milling machine
CN103111674A (en) Composite numerical control milling parallel-structure machine tool for blisk machining
US10569348B2 (en) Groove-forming method, control device for machine tool and tool path generating device
CN104191317A (en) Five-axis high-speed linkage machining center
CN103302156A (en) Synchronous/asynchronous double-spinning-roller spinning machine
CN204997473U (en) Both ends simultaneous processing numerically control grinder

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Shen Sanbo

Inventor before: Yang Jing

Inventor before: Wang Maofang

TR01 Transfer of patent right

Effective date of registration: 20170824

Address after: 523777 Guangdong province Dongguan city Dalang town Dajingtou Village second industrial zone four Shun Hing Road No. 14

Patentee after: Dongguan keen precision mould Co., Ltd.

Address before: 710048 Shaanxi city of Xi'an Province Jinhua Road No. 5

Patentee before: Xi'an University of Technology

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160420

Termination date: 20180408