CN108153235A - Realize the method for automatic edge identification positioning and corresponding numerical-control processing method - Google Patents
Realize the method for automatic edge identification positioning and corresponding numerical-control processing method Download PDFInfo
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- CN108153235A CN108153235A CN201810002631.5A CN201810002631A CN108153235A CN 108153235 A CN108153235 A CN 108153235A CN 201810002631 A CN201810002631 A CN 201810002631A CN 108153235 A CN108153235 A CN 108153235A
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- turntable
- workpiece
- range sensor
- identification positioning
- edge
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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
- G05B19/402—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 control arrangements for positioning, e.g. centring a tool relative to a hole in the workpiece, additional detection means to correct position
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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
- G05B2219/37—Measurements
- G05B2219/37404—Orientation of workpiece or tool, surface sensor
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- Engineering & Computer Science (AREA)
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- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
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Abstract
The present invention relates to a kind of methods for realizing automatic edge identification positioning, method includes workpiece to be processed being fixed on turntable, rotation is fixed with the turntable of the workpiece, and open the range sensor set towards the turntable center, so that each sampling point information of the range sensor acquisition edge of work, by each sampling point information of the edge of work of range sensor acquisition and the workpiece profile information match of corresponding processing cutter track, obtain rotation angle and deviation post, processing cutter track is preset according to rotation angle and deviation post amendment, realize the automatic edge identification positioning of workpiece.The method of the realization automatic edge identification positioning of the invention and corresponding numerical-control processing method are employed, can be carried out automatically, it is easy to operate；It is not limited by workpiece configurations, is easily handled non-regular shape workpiece；Take a little more, robustness is good, and precision is high；A range sensor is only needed, it is at low cost.
Description
Technical field
The present invention relates to numerical control machine tool technique field, more particularly to field of locating technology, in particular to a kind of realization is automatic
Patrol the method for side positioning and corresponding numerical-control processing method.
Background technology
In digital control processing, to workpiece, the accurate positionin of placement location is highly important on lathe.Existing numerical control
In system, the side on workpiece is measured with the position put frequently with probe or using guide pile, backup plate or using in advance
The fixture having good positioning ensures workpiece placement position, and this kind of localization method is not only cumbersome, more demanding to clamping precision, and
The problem of being difficult to the positioning of proper treatment special-shaped workpiece.
Invention content
The purpose of the present invention is overcome it is above-mentioned in the prior art the shortcomings that, provide it is a kind of it is easy to operate, can carry out automatically,
Without manual setting anchor point, it is easily handled the realization that non-regular shape workpiece, robustness are good, precision is high, at low cost and patrols automatically
The method of side positioning and corresponding numerical-control processing method.
To achieve these goals, the method for realization automatic edge identification positioning of the invention and corresponding numerical-control processing method
Method is as follows：
The present invention provides a kind of method for realizing automatic edge identification positioning, the method includes the following steps：
(1) workpiece to be processed is fixed on turntable；
(2) rotation is fixed with the turntable of the workpiece, and opens the Distance-sensing set towards the turntable center
Device so that each sampling point information of the range sensor acquisition edge of work；
(3) each sampling point information for the edge of work for acquiring the range sensor and corresponding processing cutter track
Workpiece profile information match obtains rotation angle and deviation post；
(4) processing cutter track is preset according to the rotation angle and deviation post amendment, realizes that the automatic edge identification of workpiece is determined
Position.
Preferably, the sampling point information described in the step (2) includes sample point coordinate (R, θ), wherein R is sampling
For point to the distance of turntable center, θ is the angle that current turntable is turned over relative to initial turntable.
Preferably, the step (2) specifically includes step：
(21) rotating table is carried out with rotational speed omega, opens range sensor；
(22) after turntable rotation steps time Δ t, range sensor measurement distance sensor with along range sensor direction
The distance S of sampled point on the direction of turntable center；
(23) it is obtained corresponding to the distance difference of the distance L of turntable center according to the distance S and range sensor
The sampled point of the edge of work while records the angle, θ that current turntable is turned over relative to initial turntable to the distance R of turntable center；
(24) it repeats the above steps (22), step (23), until turntable rotates a circle or collect all of the edge of work
Sampling point information.
Preferably, the method that the angle, θ in the step (23) obtains includes：Pass through the corresponding turntable of previous sampled point
The angle, θ turned over0It is obtained in addition turntable rotates to the corresponding rotation angle Δ θ of current sampling point from previous sampled point, wherein Δ θ
=ω Δs t.
Preferably, the sampling point distributions of the edge of work are in the side of one or more planes in the workpiece
Edge.
Preferably, the sampled point of the edge of work is continuously distributed in the workpiece in conplane side
Edge.
Preferably, profile of the workpiece with non-regular shape or with regular shape.
The present invention also provides a kind of numerical-control processing method, the processing method includes：It is automatic according to the realization
The method for patrolling side positioning carries out the automatic edge identification positioning of workpiece, and modified processing cutter track carries out workpiece after being positioned according to automatic edge identification
Processing.
The method of the realization automatic edge identification positioning of the invention and corresponding numerical-control processing method are employed, can be carried out automatically,
It is easy to operate without manual setting anchor point；It is not limited by workpiece configurations, is easily handled non-regular shape workpiece；Take a little compared with
More, robustness is good, and precision is high；A range sensor is only needed, it is at low cost.
Description of the drawings
Fig. 1 is the structure diagram of the method for the realization automatic edge identification positioning of the present invention.
Specific embodiment
In order to be more clearly understood that the technology contents of the present invention, spy lifts following embodiment and is described in detail.
The present invention provides a kind of method for realizing automatic edge identification positioning, the method includes the following steps：
(1) workpiece to be processed is fixed on turntable；
(2) rotation is fixed with the turntable of the workpiece, and opens the Distance-sensing set towards the turntable center
Device so that each sampling point information of the range sensor acquisition edge of work；
(3) each sampling point information for the edge of work for acquiring the range sensor and corresponding processing cutter track
Workpiece profile information match obtains rotation angle and deviation post；
(4) processing cutter track is preset according to the rotation angle and deviation post amendment, realizes that the automatic edge identification of workpiece is determined
Position.
In a kind of preferably embodiment, the sampling point information described in the step (2) includes sample point coordinate
(R, θ), wherein R are distance of the sampled point to turntable center, and θ is the angle that current turntable is turned over relative to initial turntable.
In a kind of preferably embodiment, the step (2) specifically includes step：
(21) rotating table is carried out with rotational speed omega, opens range sensor；
(22) after turntable rotation steps time Δ t, range sensor measurement distance sensor with along range sensor direction
The distance S of sampled point on the direction of turntable center；
(23) it is obtained corresponding to the distance difference of the distance L of turntable center according to the distance S and range sensor
The sampled point of the edge of work while records the angle, θ that current turntable is turned over relative to initial turntable to the distance R of turntable center；
(24) it repeats the above steps (22), step (23), until turntable rotates a circle or collect all of the edge of work
Sampling point information.
In a kind of preferably embodiment, the method that the angle, θ in the step (23) obtains includes：By previous
The angle, θ that the corresponding turntable of sampled point turns over0In addition turntable rotates to the corresponding rotation angle of current sampling point from previous sampled point
It spends Δ θ to obtain, wherein Δ θ=ω Δs t.
In a kind of preferably embodiment, the sampling point distributions of the edge of work are in one in the workpiece
The edge of a or multiple planes.
In a kind of preferably embodiment, the sampled point of the edge of work is continuously distributed in the workpiece
In conplane edge.
In a kind of preferably embodiment, profile of the workpiece with non-regular shape or with regular shape.
The present invention also provides a kind of numerical-control processing method, the processing method includes：It is automatic according to the realization
The method for patrolling side positioning carries out the automatic edge identification positioning of workpiece, and modified processing cutter track carries out workpiece after being positioned according to automatic edge identification
Processing.
As shown in Figure 1, the method for realization automatic edge identification positioning provided in the present invention includes：One turntable, a setting
In turntable plane and towards the range sensor of turntable center, ensure that sensor can collect the edge of work, include following step
Suddenly：
Workpiece is loaded on turntable, turntable is rotated with rotational speed omega；
Range sensor is enabled, with the distance S of interval time Δ t measurement distances sensor to the edge of work, according to measuring
Distance S and sensor to turntable center distance L, obtain the edge of work to the distance R=S-L of turntable center, while record ought
The angle, θ that preceding turntable turns over obtains the coordinate put on the surveyed edge of work (R, θ)；
Interval time Δ t measures next point, and turntable angle is θ+Δ θ, Δ θ=ω Δ t at this time, records the seat of the point
Mark；
And so on, turntable turns over can measure sampled point distance all on the edge of work and obtain its coordinate after a week
(R,θ)；
The sampling point range of acquirement and the workpiece profile of processing cutter track are subjected to outline, collection point (R, θ) is converted to work
Part coordinate mooring points (X, Y), acquisition workpiece coordinate mooring points (X, Y) carry out outline with given processing cutter track, obtain its rotation
Angle and the position of offset；
Cutter track is given with obtained rotation angle with offset position amendment to be processed.
The method of the realization automatic edge identification positioning of the invention and corresponding numerical-control processing method are employed, can be carried out automatically,
It is easy to operate without manual setting anchor point；It is not limited by workpiece configurations, is easily handled non-regular shape workpiece；Take a little compared with
More, robustness is good, and precision is high；A range sensor is only needed, it is at low cost.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that it can still make
Various modifications and alterations are without departing from the spirit and scope of the invention.Therefore, the description and the appended drawings should be considered as illustrative
And not restrictive.
Claims (8)
- A kind of 1. method for realizing automatic edge identification positioning, which is characterized in that the method includes the following steps：(1) workpiece to be processed is fixed on turntable；(2) rotation is fixed with the turntable of the workpiece, and opens the range sensor set towards the turntable center, makes Obtain each sampling point information of the range sensor acquisition edge of work；(3) each sampling point information for the edge of work for acquiring the range sensor and the corresponding workpiece for processing cutter track Profile information matches, and obtains rotation angle and deviation post；(4) processing cutter track is preset according to the rotation angle and deviation post amendment, realizes the automatic edge identification positioning of workpiece.
- 2. the method according to claim 1 for realizing automatic edge identification positioning, which is characterized in that institute in the step (2) The sampling point information stated includes sample point coordinate (R, θ), and wherein R is distance of the sampled point to turntable center, and θ is current turntable phase The angle turned over for initial turntable.
- 3. the method according to claim 1 or 2 for realizing automatic edge identification positioning, which is characterized in that step (2) tool Body includes step：(21) rotating table is carried out with rotational speed omega, opens range sensor；(22) after turntable rotation steps time Δ t, range sensor measurement distance sensor with along range sensor towards turntable The distance S of sampled point on the direction at center；(23) corresponding workpiece is obtained to the distance difference of the distance L of turntable center according to the distance S and range sensor The sampled point at edge while records the angle, θ that current turntable is turned over relative to initial turntable to the distance R of turntable center；(24) it repeats the above steps (22), step (23), until turntable rotates a circle or collects all of the edge of work and adopts Sampling point information.
- 4. the method according to claim 3 for realizing automatic edge identification positioning, which is characterized in that in the step (23) The method that angle, θ obtains includes：The angle, θ turned over by the corresponding turntable of previous sampled point0In addition turntable is from previous sampled point It rotates to the corresponding rotation angle Δ θ of current sampling point to obtain, wherein Δ θ=ω Δs t.
- 5. the method according to claim 1 for realizing automatic edge identification positioning, which is characterized in that the edge of work is adopted Sampling point is distributed in the workpiece in the edge of one or more planes.
- 6. the method for automatic edge identification positioning is realized according to claim 1 or 5, which is characterized in that the edge of work Sampled point be continuously distributed in the workpiece in conplane edge.
- 7. the method according to claim 1 for realizing automatic edge identification positioning, which is characterized in that the workpiece has non-rule Then shape or the profile with regular shape.
- 8. a kind of numerical-control processing method, which is characterized in that the processing method includes：According to any one of claim 1 to 7 The method of the realization automatic edge identification positioning carries out the automatic edge identification positioning of workpiece, modified after being positioned according to automatic edge identification to add Work cutter track carries out work pieces process.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810002631.5A CN108153235A (en) | 2018-01-02 | 2018-01-02 | Realize the method for automatic edge identification positioning and corresponding numerical-control processing method |
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|---|---|---|---|
| CN201810002631.5A CN108153235A (en) | 2018-01-02 | 2018-01-02 | Realize the method for automatic edge identification positioning and corresponding numerical-control processing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110850810A (en) * | 2019-11-19 | 2020-02-28 | 中国航空制造技术研究院 | Finish machining registration method based on double-reference constraint |
| CN113941900A (en) * | 2021-10-22 | 2022-01-18 | 富曜半导体(昆山)有限公司 | CNC3D measuring head automatic searching method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527022A (en) * | 2004-02-04 | 2004-09-08 | 哈尔滨工业大学 | Self-separation method and device for spatial error of superprecise revolution reference |
| DE102005023467A1 (en) * | 2005-05-20 | 2006-11-30 | Carl Zeiss Industrielle Messtechnik Gmbh | Device for rotating body, especially workpiece, has device for controlling drive so table is rotated over given angle range while current tumbling motion data are detected and load-induced tumbling error or related parameter is determined |
| CN104515478A (en) * | 2014-12-11 | 2015-04-15 | 华中科技大学 | Automatic three-dimensional measuring method and automatic three-dimensional measuring system for high-precision blade of aviation engine |
| CN105723182A (en) * | 2013-09-26 | 2016-06-29 | 卡尔蔡司工业测量技术有限公司 | Reduction of errors of a rotating device used during the determination of co-ordinates of a workpiece or during the machining of a workpiece |
| CN106767657A (en) * | 2016-11-23 | 2017-05-31 | 西安航天计量测试研究所 | A kind of barrel swivel part installs concentricity method for fast measuring and adjusting apparatus |
| CN108072322A (en) * | 2016-11-10 | 2018-05-25 | 克林格伦贝格股份公司 | Coordinate measuring set with optical sensor and corresponding method |
-
2018
- 2018-01-02 CN CN201810002631.5A patent/CN108153235A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527022A (en) * | 2004-02-04 | 2004-09-08 | 哈尔滨工业大学 | Self-separation method and device for spatial error of superprecise revolution reference |
| DE102005023467A1 (en) * | 2005-05-20 | 2006-11-30 | Carl Zeiss Industrielle Messtechnik Gmbh | Device for rotating body, especially workpiece, has device for controlling drive so table is rotated over given angle range while current tumbling motion data are detected and load-induced tumbling error or related parameter is determined |
| CN105723182A (en) * | 2013-09-26 | 2016-06-29 | 卡尔蔡司工业测量技术有限公司 | Reduction of errors of a rotating device used during the determination of co-ordinates of a workpiece or during the machining of a workpiece |
| CN104515478A (en) * | 2014-12-11 | 2015-04-15 | 华中科技大学 | Automatic three-dimensional measuring method and automatic three-dimensional measuring system for high-precision blade of aviation engine |
| CN108072322A (en) * | 2016-11-10 | 2018-05-25 | 克林格伦贝格股份公司 | Coordinate measuring set with optical sensor and corresponding method |
| CN106767657A (en) * | 2016-11-23 | 2017-05-31 | 西安航天计量测试研究所 | A kind of barrel swivel part installs concentricity method for fast measuring and adjusting apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110850810A (en) * | 2019-11-19 | 2020-02-28 | 中国航空制造技术研究院 | Finish machining registration method based on double-reference constraint |
| CN113941900A (en) * | 2021-10-22 | 2022-01-18 | 富曜半导体(昆山)有限公司 | CNC3D measuring head automatic searching method |
| CN113941900B (en) * | 2021-10-22 | 2024-02-09 | 富曜半导体(昆山)有限公司 | CNC3D measuring head automatic edge searching method |
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Application publication date: 20180612 |