CN106292529A - A kind of processing path generation method of lathe - Google Patents
A kind of processing path generation method of lathe Download PDFInfo
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- CN106292529A CN106292529A CN201610701133.0A CN201610701133A CN106292529A CN 106292529 A CN106292529 A CN 106292529A CN 201610701133 A CN201610701133 A CN 201610701133A CN 106292529 A CN106292529 A CN 106292529A
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- 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
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- 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
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Numerical Control (AREA)
Abstract
The invention discloses the processing path generation method of a kind of lathe, comprise the following steps: (1), according to the processing geometry of part and technological parameter, generates machine tooling program；(2) according to machine tooling program, adjust cutter location position and the generating tool axis vector of lathe, set CCP adjustment direction and depth of cut, determine work piece holder, and workpiece height；(3) use five sections of S curve methods that the processing sections in the machining path of cutter carries out deceleration planning peace to trackslip and connect process；(4) cyclic process number of times is determined；(5) corner is compensated process according to tool radius；(6) matching machine tooling program carries out wheel grinding process to processing part.The machine tooling path of the present invention is continuous, can prevent cutter from dallying, and processing method is simple, working (machining) efficiency is high, machining accuracy is high, production cost is low, has the biggest application prospect.
Description
Technical field
The present invention relates to field of machining, be specifically related to the processing path generation method of a kind of lathe.
Background technology
Machine tooling refers to carry out raw-material processing and fabricating with lathe.The machining of lathe be by cutter and workpiece it
Between relative motion realize, its motion can be divided into surface to form motion and assisted movement two class.It is to make that surface forms motion
Surface configuration required by workpiece acquisition and the motion of size, it includes main motion, feed motion and incision campaign.Main motion is
The motion that plays a major role when peeling off excess stock from workpiece blank, it can be the rotary motion (such as turning) of workpiece, straight
Line motion (as on metal-planing machine plane), it is also possible to be cutter rotary motion (such as milling and drilling) or linear motion (as
Slotting and broaching)；Feed motion is cutter and workpiece part to be processed moves towards, and makes the motion that cutting is proceeded,
Such as mobile etc. along machine tool guideway of knife rest slide carriage during size；Incision motion makes cutter cut surface of the work certain depth
Motion, its effect is to cut certain thickness material from surface of the work in each cutting stroke, such as small tool during size
Be cut transversely into motion.
Along with Aero-Space, shipbuilding, automobile, the industrial expansion such as the energy, metallurgy, machine tooling technology is used the most widely
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 change through postpositive disposal
Become nc program, machine tooling could be driven.
At present, the postpositive disposal mode to planning cutter track is all to control the upper of nonlinearity erron by the way of slotting point
Limit.Higher limit is the biggest, and deviation planned trajectory is the most remote, and crudy is the poorest；Higher limit is the least, and the discrete little line segment of interpolation is the most,
The frequent acceleration and deceleration of machine tool motion axle, working (machining) efficiency is the lowest.When five-axis machine tool is in singular position, cutter shaft in planned cutter track
Trace swings, and will result in rotary axis of machine tool and unnecessary significantly rotation occurs, now maximize with nonlinearity erron, may produce
Raw machining path is disorderly.
Summary of the invention
The technical problem to be solved in the present invention is to provide the processing path generation method of a kind of lathe, solves in machine tooling
Cutter dallies, and working (machining) efficiency is low, and crudy is poor, the problem that mismachining tolerance is big.
For solving the problems referred to above, the generation method of the machining path that technical scheme is a kind of lathe that the present invention proposes, bag
Include following steps: (1) according to the geometry of processing part and technological parameter, determines the tool of workpiece in conjunction with the characteristic parameter of cutter
Body processing content, cutting data, technological equipment, location and installation mode and cutting tool path, then generate machine tooling program；
(2) according to machine tooling program, adjust cutter location position and the generating tool axis vector of lathe, set CCP and adjust 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 carries out deceleration planning peace and trackslips and connect process；(4) according to the shape of workpiece, rigidity, allowance, machine tool system firm
Degree, determines cyclic process number of times；(5) corner is compensated process according to tool radius；(6) matching machine tooling program pair
Processing part carries out wheel grinding process.
Further, described adjust incision that cutter axis orientation refers to use unidirectional convergence localization method to adjust cutter and
Cut out direction.Drive system backlass is avoided to produce position error.Described depth of cut is by processing the precision of workpiece certainly
Fixed.
Further, described work piece holder selects the built-up jig of hydraulically operated fixture and multi-station clamp, described combination
Fixture is to arrange multi-station clamp in the disk perimeter of platen, and the centre position of disk arranges hydraulically operated fixture.
Further, five sections of described S curve methods include the machining path of cutter adding boost phase, subtract boost phase,
Constant velocity stage, acceleration and deceleration stage and five processing sections of the decelerating phase of subtracting.
Further, described described smooth forward processing method is: judge the switching curve type of adjacent processing sections,
Calculate the switching angle of adjacent processing sections, according to switching angle calcu-lation maximum allowable switching speed；Speed according to processing sections with
The comparison of maximum allowable switching speed, is the most then carried out the displacement vector of adjacent processing sections if less than maximum allowable switching speed
Carry out interpolation processing after synthesis, otherwise directly carry out interpolation processing.
Further, described interpolation processing method is for be divided into several small straightways by processing sections, and each is little directly
Line segment, as an interpolation cycle, calculates the data of each small straightway according to machine tool instructions, feed speed, cutter along
Small straightway moves, and after several interpolation cycles, cutter moves to terminal from starting point, completes the interpolation of this section of profile
Process.
Further, described compensation deals are: add man-hour carrying out Internal periphery, and center cutter must be to the inner side of part
Offset a tool radius value；Adding man-hour carrying out outline, center cutter must be to one cutter of lateral offset of part half
Footpath is worth.
Beneficial effects of the present invention is embodied in: the generation method in the path of a kind of machine tooling that the present invention provides utilizes group
Co-clip tool can reduce cutter idle running, saves the usage amount of fixture simultaneously, utilizes five sections of S curve methods and smooth switching to process and can improve
The smoothness that curve surface of workpiece connects, utilizes interpolation technique to decrease manufacturing tolerance simultaneously.The machine tooling path of the present invention adds
Work efficiency rate is high, machining accuracy is high, production cost is low, has the biggest application prospect.
Accompanying drawing explanation
Accompanying drawing 1 is the generation method flow block diagram in the machine tooling path according to the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is specifically described:
The present embodiment provides the processing path generation method of a kind of lathe, and described machine tooling path includes following step
Rapid: (1) according to the processing geometry of part and technological parameter, determine the concrete processing of workpiece in conjunction with the characteristic parameter of cutter in
Appearance, cutting data, technological equipment, location and installation mode and cutting tool path, then generate machine tooling program；(2) basis
Machine tooling program, adjusts cutter location position and the generating tool axis vector of lathe, sets CCP and adjusts cutter axis orientation and cut
Cut the degree of depth, determine work piece holder, and workpiece height；(3) use five sections of S curve methods that the processing sections in the machining path of cutter is entered
Row deceleration planning peace is trackslipped and is connect process；(4) according to the shape of workpiece, rigidity, allowance, the rigidity of machine tool system, really
Determine cyclic process number of times；(5) corner is compensated process according to tool radius；(6) matching machine tooling program is to processing
Part carries out wheel grinding process.
Wherein, the described cutter axis orientation that adjusts refers to use unidirectional convergence localization method to adjust switching in and out of cutter
Direction.Drive system backlass is avoided to produce position error.Described depth of cut is determined by the precision processing workpiece.
Wherein, described work piece holder selects the built-up jig of hydraulically operated fixture and multi-station clamp, described built-up jig
For arranging multi-station clamp in the disk perimeter of platen, the centre position of disk arranges hydraulically operated fixture.
Wherein, five sections of described S curve methods include adding boost phase, subtract boost phase, at the uniform velocity the machining path of cutter
Stage, acceleration and deceleration stage and five processing sections of the decelerating phase of subtracting.
Wherein, described described smooth forward processing method is: judge the switching curve type of adjacent processing sections, calculates
The switching angle of adjacent processing sections, according to switching angle calcu-lation maximum allowable switching speed；Speed according to processing sections is with maximum
Allow the comparison of switching speed, the most then the displacement vector of adjacent processing sections is synthesized if less than maximum allowable switching speed
After carry out interpolation processing, otherwise directly carry out interpolation processing.
Wherein, described interpolation processing method for being divided into several small straightways, each little straightway by processing sections
As an interpolation cycle, calculating the data of each small straightway 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, completes at the interpolation of this section of profile
Reason.
Wherein, described compensation deals are: add man-hour carrying out Internal periphery, and center cutter must be to the offset inboard of part
One tool radius value；Adding man-hour carrying out outline, center cutter must be to one tool radius value of lateral offset of part.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it still may be used
So that the technical scheme described in previous embodiment to be modified, or wherein portion of techniques feature is carried out equivalent；And
These amendments or replacement, do not make the essence of appropriate technical solution depart from spirit and the model of embodiment of the present invention technical scheme
Enclose.
Claims (7)
1. the processing path generation method of a lathe, it is characterised in that comprise the following steps: (1) is several according to processing part
What shape and technological parameter, in conjunction with the characteristic parameter of cutter determine the concrete processing content of workpiece, cutting data, technological equipment,
Location and installation mode and cutting tool path, then generate machine tooling program；(2) according to machine tooling program, lathe is adjusted
Cutter location position and generating tool axis vector, set CCP and also adjust cutter axis orientation and depth of cut, determine work piece holder, and
Workpiece height；(3) use five sections of S curve methods that the processing sections in the machining path of cutter carries out deceleration planning peace to trackslip and connect
Process；(4) according to the shape of workpiece, rigidity, allowance, the rigidity of machine tool system, cyclic process number of times is determined；(5) to turning
Process is compensated according to tool radius at angle；(6) matching machine tooling program carries out wheel grinding process to processing part.
The processing path generation method of a kind of lathe the most as claimed in claim 1, it is characterised in that described adjustment cutter shaft side
To referring to use what unidirectional convergence localization method adjusted cutter to switch in and out direction.Described depth of cut is by processing workpiece
Precision determine.
The processing path generation method of a kind of lathe the most as claimed in claim 1, it is characterised in that described work piece holder choosing
Selecting the built-up jig of hydraulically operated fixture and multi-station clamp, described built-up jig is to arrange many in the disk perimeter of platen
Station clamp, the centre position of disk arranges hydraulically operated fixture.
The processing path generation method of a kind of lathe the most as claimed in claim 1, it is characterised in that five sections of described S curve
The machining path of cutter is included adding boost phase, subtracting boost phase, constant velocity stage, acceleration and deceleration stage and the decelerating phase of subtracting five by method
Individual processing sections.
The processing path generation method of a kind of lathe the most as claimed in claim 1, it is characterised in that described described smoothing
Forward processing method is: judge the switching curve type of adjacent processing sections, calculates the switching angle of adjacent processing sections, according to switching
Angle calcu-lation maximum allowable switching speed；The comparison of the speed according to processing sections and maximum allowable switching speed, if less than
Big permission switching speed carries out interpolation processing after then the displacement vector of adjacent processing sections being synthesized, otherwise directly carries out interpolation
Process.
The processing path generation method of a kind of lathe the most as claimed in claim 4, it is characterised in that described interpolation processing side
Method for processing sections being divided into several small straightways, each little straightway as an interpolation cycle, according to machine tool instructions,
Feed speed calculates the data of each small straightway, and cutter moves along small straightway, through several interpolation cycles
After, cutter moves to terminal from starting point, completes the interpolation processing of this section of profile.
The processing path generation method of a kind of lathe the most as claimed in claim 1, it is characterised in that described compensation deals
For: adding man-hour carrying out Internal periphery, center cutter must be to one tool radius value of offset inboard of part；Carrying out outline
Adding man-hour, center cutter must be to one tool radius value of lateral offset of part.
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| CN201610701133.0A CN106292529B (en) | 2016-08-19 | 2016-08-19 | A kind of processing path generation method of lathe |
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| CN201610701133.0A CN106292529B (en) | 2016-08-19 | 2016-08-19 | A kind of processing path generation method of lathe |
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| CN106292529A true CN106292529A (en) | 2017-01-04 |
| CN106292529B CN106292529B (en) | 2018-10-12 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272758A (en) * | 2017-08-01 | 2017-10-20 | 深圳市雷赛控制技术有限公司 | The method for improving and device of spooling equipment efficiency and stationarity |
| CN108227621A (en) * | 2018-01-15 | 2018-06-29 | 上海维宏电子科技股份有限公司 | DXF trajectory processing methods based on double milling side lathe bilateral-milling |
| CN108319229A (en) * | 2018-04-17 | 2018-07-24 | 成都飞机工业（集团）有限责任公司 | A kind of small straightway feed speed control method of digital control processing |
| CN109732675A (en) * | 2019-02-26 | 2019-05-10 | 深圳市富邦精密机械科技有限公司 | Digital die-cutting machine and its cutting path compensation method, device |
| CN110580000A (en) * | 2019-09-29 | 2019-12-17 | 华南理工大学 | automatic programming method for processing finishing allowance of die |
| 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 |
| CN111215967A (en) * | 2019-11-27 | 2020-06-02 | 上海交通大学 | Device and method for detecting dynamic precision of numerical control machine tool |
| CN111480127A (en) * | 2017-12-12 | 2020-07-31 | 法孚兰迪斯有限公司 | Machine tool and method of operating the same |
| 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 |
| CN115816158A (en) * | 2023-02-16 | 2023-03-21 | 成都大金航太科技股份有限公司 | Arbitrary-angle switching processing control system and complex part non-standard-angle switching processing method |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107272758A (en) * | 2017-08-01 | 2017-10-20 | 深圳市雷赛控制技术有限公司 | The method for improving and device of spooling equipment efficiency and stationarity |
| 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 |
| CN111480127A (en) * | 2017-12-12 | 2020-07-31 | 法孚兰迪斯有限公司 | Machine tool and method of operating the same |
| CN108227621A (en) * | 2018-01-15 | 2018-06-29 | 上海维宏电子科技股份有限公司 | DXF trajectory processing methods based on double milling side lathe bilateral-milling |
| 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 |
| CN108319229A (en) * | 2018-04-17 | 2018-07-24 | 成都飞机工业（集团）有限责任公司 | A kind of small straightway feed speed control method of digital control processing |
| 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 |
| CN109732675A (en) * | 2019-02-26 | 2019-05-10 | 深圳市富邦精密机械科技有限公司 | Digital die-cutting machine and its cutting path compensation method, device |
| CN110580000A (en) * | 2019-09-29 | 2019-12-17 | 华南理工大学 | automatic programming method for processing finishing allowance of die |
| CN110580000B (en) * | 2019-09-29 | 2021-07-13 | 华南理工大学 | Automatic programming method for processing finishing allowance of die |
| CN111215967A (en) * | 2019-11-27 | 2020-06-02 | 上海交通大学 | Device and method for detecting dynamic precision of numerical control machine tool |
| 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 |
| CN115816158A (en) * | 2023-02-16 | 2023-03-21 | 成都大金航太科技股份有限公司 | Arbitrary-angle switching processing control system and complex part non-standard-angle switching processing method |
| 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 |
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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 |
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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 |