CN106292529B - A kind of processing path generation method of lathe - Google Patents
A kind of processing path generation method of lathe Download PDFInfo
- Publication number
- CN106292529B CN106292529B CN201610701133.0A CN201610701133A CN106292529B CN 106292529 B CN106292529 B CN 106292529B CN 201610701133 A CN201610701133 A CN 201610701133A CN 106292529 B CN106292529 B CN 106292529B
- Authority
- CN
- China
- Prior art keywords
- processing
- cutter
- sections
- machine tooling
- lathe
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35349—Display part, programmed locus and tool path, traject, dynamic locus
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Numerical Control (AREA)
Abstract
The invention discloses a kind of processing path generation methods of lathe, include the following steps：(1) according to the geometry and technological parameter of processing part, machine tooling program is generated；(2) according to machine tooling program, cutter location position and the generating tool axis vector of lathe, setting critical control point and adjustment direction and depth of cut is adjusted, determines work piece holder and workpiece height；(3) it uses five sections of S curve methods to trackslip the processing sections progress deceleration planning peace in the machining path of cutter and connects processing；(4) cyclic process number is determined；(5) processing is compensated according to tool radius to corner；(6) fitting machine tooling program carries out wheel grinding processing to processing part.The machine tooling path of the present invention is continuous, can prevent cutter from dallying, and processing method is simple, high in machining efficiency, high precision machining, production cost are low, there is prodigious application prospect.
Description
Technical field
The present invention relates to field of machining, and in particular to a kind of processing path generation method of lathe.
Background technology
Machine tooling refers to that the processing and fabricating of raw material is carried out with lathe.The machining of lathe be by cutter and workpiece it
Between relative motion realize that movement can be divided into surface and form movement and synkinesia two class.It is to make that surface, which forms movement,
Workpiece obtains the movement of required surface shape and size, it includes main motion, feed motion and incision movement.Main motion is
The movement that plays a major role when removing excess stock from workpiece blank, it can be the rotary motion (such as turning), straight of workpiece
Line movement (such as planing on metal-planing machine) can also be the rotary motion (such as milling and drilling) of cutter or move along a straight line (such as
Slotting and broaching)；Feed motion is that cutter and workpiece part to be processed move towards, the movement for enabling cutting to continue,
Knife rest slide carriage moving along machine tool guideway when such as size；Incision movement makes cutter cut workpiece surface certain depth
Movement, effect is to cut certain thickness material from workpiece surface in each cutting stroke, small tool when such as size
Be cut transversely into movement.
With aerospace, shipbuilding, automobile, the industrial expansions such as the energy, metallurgy, machine tooling technology just widely uses
In the processing of high-accuracy complex-curved thin-walled parts.In machine tooling processing procedure, can according to part geometry shape and
Technological parameter is made rational planning for out processing cutter track, and generates corresponding Path file.This document needs to convert by postpositive disposal
As nc program, machine tooling could be driven.
Currently, to planning that the postpositive disposal mode of cutter track is all to control the upper of nonlinearity erron by way of inserting point
Limit.Upper limit value is bigger, and deviation planned trajectory is remoter, and processing quality is poorer；Upper limit value is smaller, and the discrete small line segment of interpolation is more,
The frequent acceleration and deceleration of machine tool motion axis, processing efficiency are lower.When five-axis machine tool is in singular position, cutter shaft in planned cutter track
Micro swing will cause rotary axis of machine tool appearance is unnecessary substantially to rotate, be maximized at this time with nonlinearity erron, may production
Raw machining path is disorderly.
Invention content
The technical problem to be solved in the present invention is to provide a kind of processing path generation methods of lathe, solve in machine tooling
Cutter dallies, and processing efficiency is low, and processing quality is poor, the big problem of mismachining tolerance.
To solve the above problems, technical solution proposed by the present invention is a kind of generation method of the machining path of lathe, packet
Include following steps：(1) according to the geometry and technological parameter of processing part, the tool of workpiece is determined in conjunction with the characteristic parameter of cutter
Then body processing content, cutting data, technological equipment, location and installation mode and cutting tool path generate machine tooling program；
(2) according to machine tooling program, cutter location position and the generating tool axis vector of lathe are adjusted, set critical control point and adjusts cutter shaft side
To and depth of cut, determine work piece holder and workpiece height；(3) use five sections of S curve methods to adding in the machining path of cutter
Workshop section's progress deceleration planning peace, which is trackslipped, connects processing；(4) according to the shape of workpiece, rigidity, allowance, machine tool system it is rigid
Degree, determines cyclic process number；(5) processing is compensated according to tool radius to corner；(6) it is fitted machine tooling program pair
It processes part and carries out wheel grinding processing.
Further, the adjustment cutter axis orientation refer to using unidirectional approach localization method adjustment cutter incision and
Cut out direction.It avoids transmission system backlass and generates position error.The depth of cut is determined by the precision of workpieces processing
It is fixed.
Further, the built-up jig of the work piece holder selection hydraulically operated fixture and multi-station clamp, the combination
Fixture is the disk perimeter setting multi-station clamp in platen, and hydraulically operated fixture is arranged in the centre position of disk.
Further, five sections of S curve methods include to the machining path of cutter plus boost phase, subtract boost phase,
Five constant velocity stage, acceleration and deceleration stage and the decelerating phase of subtracting processing sections.
Further, the smooth forward processing method is：Judge the switching curve type of adjacent processing sections,
The switching angle for calculating adjacent processing sections, according to the switching maximum allowable switching speed of angle calcu-lation；According to the speed of processing sections with
The comparison of maximum allowable switching speed then carries out the displacement vector of adjacent processing sections if it is less than maximum allowable switching speed
Interpolation processing is carried out after synthesis, otherwise directly carries out interpolation processing.
Further, the interpolation processing method is that processing sections are divided into several small straightways, each is small straight
Line segment calculates the data of each small straightway according to machine tool instructions, feed speed as an interpolation cycle, cutter along
Small straightway movement, after several interpolation cycles, cutter moves to terminal from starting point, completes the interpolation of this section of profile
Processing.
Further, the compensation deals are：When carrying out Internal periphery processing, center cutter must be to the inside of part
Deviate a tool radius value；When carrying out outer profile processing, center cutter must be to one cutter of lateral offset half of part
Diameter value.
Beneficial effects of the present invention are embodied in：A kind of generation method in the path of machine tooling provided by the invention utilizes group
Co-clip tool can reduce cutter idle running, while save the usage amount of fixture, can be improved using five sections of S curve methods and smooth switching processing
The smoothness of curve surface of workpiece connection, while reducing manufacturing tolerance using interpolation technique.The machine tooling path of the present invention adds
Work is efficient, high precision machining, production cost are low, there is prodigious application prospect.
Description of the drawings
Attached drawing 1 is the generation method flow diagram in machine tooling path according to the invention.
Specific implementation mode
The present invention is specifically described below in conjunction with attached drawing：
The present embodiment provides a kind of processing path generation method of lathe, the machine tooling path includes following step
Suddenly：(1) it according to the geometry and technological parameter of processing part, is determined in the specific processing of workpiece in conjunction with the characteristic parameter of cutter
Then appearance, cutting data, technological equipment, location and installation mode and cutting tool path generate machine tooling program；(2) basis
Machine tooling program adjusts cutter location position and the generating tool axis vector of lathe, sets critical control point and adjusts cutter axis orientation and cut
Depth is cut, determines work piece holder and workpiece height；(3) use five sections of S curve methods to the processing sections in the machining path of cutter into
Row deceleration planning peace, which is trackslipped, connects processing；(4) according to the shape of workpiece, the rigidity of rigidity, allowance, machine tool system, really
Determine cyclic process number；(5) processing is compensated according to tool radius to corner；(6) fitting machine tooling program is to processing
Part carries out wheel grinding processing.
Wherein, the adjustment cutter axis orientation refers to switching in and out using unidirectional approach localization method adjustment cutter
Direction.It avoids transmission system backlass and generates position error.The depth of cut is determined by the precision of workpieces processing.
Wherein, the built-up jig of the work piece holder selection hydraulically operated fixture and multi-station clamp, the built-up jig
For multi-station clamp is arranged in the disk perimeter of platen, hydraulically operated fixture is arranged in the centre position of disk.
Wherein, five sections of S curve methods include plus boost phase, subtract boost phase, at the uniform velocity to the machining path of cutter
Five stage, acceleration and deceleration stage and the decelerating phase of subtracting processing sections.
Wherein, the smooth forward processing method is：Judge the switching curve type of adjacent processing sections, calculates
The switching angle of adjacent processing sections, according to the switching maximum allowable switching speed of angle calcu-lation；According to the speed of processing sections and maximum
The comparison for allowing switching speed, then synthesizes the displacement vector of adjacent processing sections if it is less than maximum allowable switching speed
After carry out interpolation processing, otherwise directly progress interpolation processing.
Wherein, the interpolation processing method is that processing sections are divided into several small straightways, each small straightway
As an interpolation cycle, the data of each small straightway are calculated according to machine tool instructions, feed speed, cutter is along small
Straightway moves, and after several interpolation cycles, cutter moves to terminal from starting point, at the interpolation for completing this section of profile
Reason.
Wherein, the compensation deals are：When carrying out Internal periphery processing, center cutter must be to the offset inboard of part
One tool radius value；When carrying out outer profile processing, center cutter must be to one tool radius value of lateral offset of part.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in previous embodiment or equivalent replacement of some of the technical features；And
These modifications or replacements, the spirit and model of technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (1)
1. a kind of processing path generation method of lathe, which is characterized in that include the following steps：
According to the geometry and technological parameter of processing part, determined in the specific processing of workpiece in conjunction with the characteristic parameter of cutter
Then appearance, cutting data, technological equipment, location and installation mode and cutting tool path generate machine tooling program；
According to machine tooling program, cutter location position and the generating tool axis vector of lathe are adjusted, set critical control point and adjusts cutter shaft
Direction and depth of cut determine work piece holder and workpiece height；The adjustment cutter axis orientation refers to fixed using unidirectional approach
Position method adjustment cutter switches in and out direction, and the depth of cut is determined by the precision of workpieces processing；The workpiece
It is the disk perimeter in platen that fixture, which selects the built-up jig of hydraulically operated fixture and multi-station clamp, the built-up jig,
Multi-station clamp is set, and hydraulically operated fixture is arranged in the centre position of disk；
It is trackslipped to the processing sections progress deceleration planning peace in the machining path of cutter using five sections of S curve methods and connects processing；Institute
The five sections of S curve methods stated are to the machining path of cutter including adding boost phase, subtracting boost phase, constant velocity stage, acceleration and deceleration stage
With subtract five processing sections of decelerating phase；The smooth forward processing method is：Judge the switching curve type of adjacent processing sections,
The switching angle for calculating adjacent processing sections, according to the switching maximum allowable switching speed of angle calcu-lation；According to the speed of processing sections with
The comparison of maximum allowable switching speed, then closes the displacement vector of adjacent processing sections if it is less than maximum allowable switching speed
At rear carry out interpolation processing, otherwise directly carry out interpolation processing；The interpolation processing method is that processing sections are divided into several
Small straightway, each small straightway calculate each small as an interpolation cycle according to machine tool instructions, feed speed
The data of straightway, cutter are moved along small straightway, and after several interpolation cycles, cutter moves to end from starting point
Point completes the interpolation processing of this section of profile；
According to the shape of workpiece, the rigidity of rigidity, allowance, machine tool system, cyclic process number is determined；
Processing is compensated according to tool radius to corner；The compensation deals are：When carrying out Internal periphery processing, cutter
It center must be to one tool radius value of offset inboard of part；When carrying out outer profile processing, center cutter must be to part
One tool radius value of lateral offset；
It is fitted machine tooling program and wheel grinding processing is carried out to processing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610701133.0A CN106292529B (en) | 2016-08-19 | 2016-08-19 | A kind of processing path generation method of lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610701133.0A CN106292529B (en) | 2016-08-19 | 2016-08-19 | A kind of processing path generation method of lathe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106292529A CN106292529A (en) | 2017-01-04 |
| CN106292529B true CN106292529B (en) | 2018-10-12 |
Family
ID=57660967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610701133.0A Active CN106292529B (en) | 2016-08-19 | 2016-08-19 | A kind of processing path generation method of lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106292529B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272758B (en) * | 2017-08-01 | 2020-08-07 | 深圳市雷赛控制技术有限公司 | Method and device for improving efficiency and stability of winding equipment |
| GB2569307B (en) * | 2017-12-12 | 2022-06-29 | Fives Landis Ltd | Machine tools and methods of operation thereof |
| CN108227621B (en) * | 2018-01-15 | 2020-12-04 | 上海维宏电子科技股份有限公司 | DXF track processing method based on double-edge milling of double-edge milling lathe |
| CN108319229B (en) * | 2018-04-17 | 2020-11-06 | 成都飞机工业（集团）有限责任公司 | Small straight line segment feeding speed control method for numerical control machining |
| CN109732675B (en) * | 2019-02-26 | 2020-12-15 | 深圳市富邦精密机械科技有限公司 | Digital die cutting machine and cutting path compensation method and device thereof |
| CN110580000B (en) * | 2019-09-29 | 2021-07-13 | 华南理工大学 | Automatic programming method for processing finishing allowance of die |
| CN111215967B (en) * | 2019-11-27 | 2021-06-08 | 上海交通大学 | Device and method for detecting dynamic precision of numerical control machine tool |
| CN111085730A (en) * | 2019-12-18 | 2020-05-01 | 成都四威高科技产业园有限公司 | Fillet machining method for precision assembly part |
| CN111975071A (en) * | 2020-08-06 | 2020-11-24 | 合肥波林新材料股份有限公司 | Deburring method for notch of part |
| CN114029520A (en) * | 2021-11-10 | 2022-02-11 | 广东电网能源发展有限公司 | Method, system, processing terminal and storage medium for automatic path finding and drilling |
| CN115816158B (en) * | 2023-02-16 | 2023-04-25 | 成都大金航太科技股份有限公司 | Random angle switching processing control system and non-standard angle switching processing method for complex parts |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1449513A (en) * | 2000-07-31 | 2003-10-15 | 株式会社丰田中央研究所 | Integrated cam system, nc data integral creating method, machining designing system, machining data creating device, and program |
| CN1621984A (en) * | 2004-12-06 | 2005-06-01 | 沈阳工业大学 | Helical surface digital control enveloped milling method and integration control system thereof |
| CN103064344A (en) * | 2012-12-25 | 2013-04-24 | 广东省自动化研究所 | Non uniform rational B spline (NURBS) interpolation based speed smooth control method |
| CN103699056A (en) * | 2013-12-02 | 2014-04-02 | 嘉兴学院 | Real-time smooth transition interpolation method of small high-speed and high-accuracy numerical control machining line segment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6062971B2 (en) * | 2015-01-21 | 2017-01-18 | ファナック株式会社 | A numerical controller that controls machine tools based on skiving instructions |
-
2016
- 2016-08-19 CN CN201610701133.0A patent/CN106292529B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1449513A (en) * | 2000-07-31 | 2003-10-15 | 株式会社丰田中央研究所 | Integrated cam system, nc data integral creating method, machining designing system, machining data creating device, and program |
| CN1621984A (en) * | 2004-12-06 | 2005-06-01 | 沈阳工业大学 | Helical surface digital control enveloped milling method and integration control system thereof |
| CN103064344A (en) * | 2012-12-25 | 2013-04-24 | 广东省自动化研究所 | Non uniform rational B spline (NURBS) interpolation based speed smooth control method |
| CN103699056A (en) * | 2013-12-02 | 2014-04-02 | 嘉兴学院 | Real-time smooth transition interpolation method of small high-speed and high-accuracy numerical control machining line segment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106292529A (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106292529B (en) | A kind of processing path generation method of lathe | |
| CN102298358B (en) | NURBS tool path speed planning method for five-axis numerical control machining | |
| JP6714732B2 (en) | Robot for machining and machining method | |
| CN102548698B (en) | Apparatus for chamfering and/or deburring of gears | |
| CN100517142C (en) | Method for smoothing speed of high speed numerical control processing track corner | |
| CN102554007B (en) | The progressive compound molding device of a kind of sheet metal deep drawing | |
| CN102069222B (en) | Horizontal machine tool structure for machining blade by using two cutters | |
| CN101590587A (en) | A kind of integral impeller processing method | |
| CN102151883A (en) | Multihead synchronous or asynchronous carving (drilling) milling numerical control processing equipment | |
| CN102380625B (en) | Special numerically controlled lathe for cutting inner arc curved surface | |
| CN104625664A (en) | Numerical control machining method for harmonic reducer flexible gear bi-directional crowned tooth profile | |
| CN104690490A (en) | Double main shaft turning-milling combined machining method for aeroengine case | |
| CN103537717B (en) | A kind of swing type becomes inclination angle non-circular cutting mechanism and numerically controlled lathe thereof | |
| CN103135498A (en) | Method and device for contour machining radius error compensation control of numerical control machine tool | |
| CN108170094A (en) | A kind of method of cutter path smooth compression | |
| CN102198632A (en) | Speed control method of cam tangential point tracking grinding | |
| CN201271802Y (en) | Major diameter wheel flange teeth groove processing system | |
| CN106334942B (en) | A kind of coarse-fine spot configuration bull milling machine tool working and adaptively scan manufacturing process | |
| JP2015051472A (en) | Gear processing machine | |
| CN102554379B (en) | Electric spark machining device for superhard cutting tools and operation method | |
| US20220339716A1 (en) | High speed multi-axis machine tool | |
| CN204194870U (en) | A kind of Numerical Control Spherical Surface hole boring machine | |
| CN110262388A (en) | A kind of sealing surface Toolpath Generation method of turbine high-pressure valve seal groove | |
| CN102528553B (en) | Method for quickly adjusting servo dynamic parameters of five-axis linkage numerically controlled milling machine | |
| US20200269374A1 (en) | High speed multi-axis machine tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 262700 Weifang Institute of science and technology, Xueyuan Road 166, Shouguang City, Shandong, Weifang Patentee after: Ma Lianghua Address before: 262799 No. 69, golden light East Street, Shandong, Weifang Patentee before: Ma Lianghua |
|
| CP02 | Change in the address of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201229 Address after: 237 Industrial Zone, Shuanghe Town, Anhui Province Patentee after: ANHUI ZHIGAO MACHINERY Co.,Ltd. Address before: No.166 Xueyuan Road, Shouguang City, Weifang City, Shandong Province 262700 Weifang Institute of science and technology Patentee before: Ma Lianghua |
|
| TR01 | Transfer of patent right |