CN105320060A - Circle inspection method based on Beckhoff numerical control system machine tool - Google Patents
Circle inspection method based on Beckhoff numerical control system machine tool Download PDFInfo
- Publication number
- CN105320060A CN105320060A CN201410365813.0A CN201410365813A CN105320060A CN 105320060 A CN105320060 A CN 105320060A CN 201410365813 A CN201410365813 A CN 201410365813A CN 105320060 A CN105320060 A CN 105320060A
- Authority
- CN
- China
- Prior art keywords
- circle
- machine tool
- data
- beckhoff
- control system
- 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.)
- Pending
Links
Landscapes
- Numerical Control (AREA)
Abstract
The invention discloses a circle inspection method based on a Beckhoff numerical control system machine tool. The method is characterized in that an intelligent terminal with a built-in machine tool state diagnostic program is connected to a Beckhoff numerical control system; the Beckhoff numerical control system drives the machine tool to operate and makes a linear shaft of the machine tool carry out circular track interpolation motion; a data acquisition module reads real-time circular track coordinate data fed back by a linear shaft grating ruler and stores; an analysis module of the machine tool state diagnostic program inputs circular track data taking a center of a nominal circle as a coordinate origin point; through the nominal circle data and machine-tool linear-shaft real-time circular track data, a circle deviation result is acquired; the circle deviation result is compared with standard data of a numerical control machine tool circle so as to give out numerical control machine tool circle inspection data. The method is simple and rapid, circle lag, circle deviation and radius deviation during a numerical-control machine-tool linear shaft linkage process are accurately reflected, inspection cost is reduced and inspection efficiency is increased.
Description
Technical field
The present invention relates to a kind of circular test method based on Beckhoff machine tool of numerical control system.
Background technology
It is what to have been come by the interlock of programmed control numerical control servo axle by digital control system that numerically-controlled machine carries out workpiece geometries processing, and thus the interlock precision of numerical control servo axle directly affects the precision of numerically-controlled machine processing.Lathe inspection general rule the 4th part of standard GB/T/T17421.4-2003, international standard ISO230-4:1996 defines numerically-controlled machine two linear axes for the circular test of numerically-controlled machine and link inspection and the assessment method that the circle that produces is delayed, justify deviation and radial misalignment, the circular trace that the interlock of numerically-controlled machine two linear axes produces, by the set deviation of two axial lines and the impact of numerical control and drive unit deviation thereof, the factors such as the pretightning force of such as ball-screw, the gap between leading screw and nut, path wear.
Usually adopt the circle of ball bar to numerically-controlled machine to implement inspection at present, and ball bar is recommended to adopt, as ISO230, ASMEB5.54 standard by International Machine Tool test stone.As shown in Figure 1, ball bar is made up of two accurate metal ball 1,2 and telescopic connecting rods 3, the grating scale for detecting displacement is inlayed in the middle of connecting rod, during measurement, be positioned at the ball 2 of connecting rod 3 bottom by only having the magnetic steel seat 4 of three point contact to be fixed on worktable 5 with it, the ball 1 being positioned at connecting rod 3 top is arranged on main shaft 7 by same magnetic steel seat 6; When circular interpolation motion done by lathe on such as X-Y plane, the ball 2 be fixed on worktable 5 just rotates around the ball 1 connecting main shaft 7.If lathe is without any error, then on worktable 5, the track of ball 2 is the proper circles without any distortion, and grating scale does not just have displacement signal to export yet; And when worktable 5 exists geometric error and kinematic error with main shaft 7, the track that the ball 2 on worktable 5 is inswept is not proper circle, the distortion part 1:1 ground of this circle by optical grating ruler measurement out.
The circular test adopting ball bar to implement numerically-controlled machine improves inspection cost, and complex operation, checkability is low, and numerically-controlled machine need implement inspection under the condition of load, checks simultaneously and is undertaken by the track of circle, cannot implement inspection under the special-shaped path conditions such as not rounded.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of circular test method based on Beckhoff machine tool of numerical control system, this method overcomes the defect of conventional club instrument inspection, make numerically-controlled machine circular test convenient, quick, delayed, the round deviation of circle in accurate reflection numerically-controlled machine linear axes linkage process and radial misalignment, reduce inspection cost, improve checkability.
For solving the problems of the technologies described above, the circular test method that the present invention is based on Beckhoff machine tool of numerical control system comprises the steps:
Step one, intelligent terminal connect Beckhoff digital control system by ADS communication interface, the built-in conditions of machine tool diagnostic routine of intelligent terminal;
Step 2, operation Beckhoff digital control system driving machine bed operating, and make the linear axes of lathe make circular trace moving interpolation, the data acquisition module of conditions of machine tool diagnostic routine read the real-time circular trace coordinate data of linear axes grating scale feedback and storage data in memory module;
The analysis module of step 3, operation intelligent terminal lathe condition diagnosing program, the input in the name of round heart is the Circular test data of true origin, analysis module reads the real-time circular trace coordinate data of linear axes stored, minimum zone circle algorithm is utilized to obtain minimum zone circle home position, obtain the radius of name circle and the real-time circular trace of linear axes respectively according to name circle home position and minimum zone circle home position, analysis module exports circle bias contribution according to the radius of name circle and the real-time circular trace of linear axes;
Circle bias contribution compares with the normal data of numerically-controlled machine circular test by the conditions of machine tool diagnostic routine of step 4, intelligent terminal, provides the data of numerically-controlled machine circular test.
Further, the circular trace moving interpolation of lathe linear axes respectively carries out 2 times by both forward and reverse directions.
Because the circular test method that the present invention is based on Beckhoff machine tool of numerical control system have employed technique scheme, namely the intelligent terminal of built-in conditions of machine tool diagnostic routine connects Beckhoff digital control system, Beckhoff digital control system driving machine bed operating, and make the linear axes of lathe make circular trace moving interpolation, read the real-time circular trace coordinate data of linear axes grating scale feedback by data acquisition module and store; It is the Circular test data of true origin that the analysis module of conditions of machine tool diagnostic routine inputs the in the name of round heart, obtains circle bias contribution by name circle data and the real-time circular trace data of lathe linear axes; Circle bias contribution is compared with the normal data of Circular Test of NC Machine Tools, provides the data of numerically-controlled machine circular test.This method overcomes the defect of conventional club instrument inspection, makes numerically-controlled machine circular test convenient, quick, and delayed, the round deviation of circle accurately in reflection numerically-controlled machine linear axes linkage process and radial misalignment, reduce inspection cost, improve checkability.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the present invention is described in further detail:
Fig. 1 adopts ball bar to the schematic diagram of numerically-controlled machine circular test;
Fig. 2 is the process flow diagram of circle deviation extraction algorithm in this method.
Embodiment
The circular test method that the present invention is based on Beckhoff machine tool of numerical control system comprises the steps:
Step one, intelligent terminal connect Beckhoff digital control system by ADS communication interface, the built-in conditions of machine tool diagnostic routine of intelligent terminal;
Step 2, operation Beckhoff digital control system driving machine bed operating, and make the linear axes of lathe make circular trace moving interpolation, the data acquisition module of conditions of machine tool diagnostic routine read the real-time circular trace coordinate data of linear axes grating scale feedback and storage data in memory module;
Step 3, run the analysis module of intelligent terminal lathe condition diagnosing program, the input in the name of round heart is the Circular test data of true origin, analysis module reads the real-time circular trace coordinate data of linear axes stored, minimum zone circle algorithm is utilized to obtain minimum zone circle home position, minimum zone circle algorithm calculates the maximum inscribed circle of real-time circular trace and minimum circumcircle, the radius of name circle and the real-time circular trace of linear axes is obtained respectively according to name circle home position and minimum zone circle home position, analysis module exports circle bias contribution according to the radius of name circle and the real-time circular trace of linear axes, circle bias contribution is the semidiameter of minimum circumcircle and maximum inscribed circle,
Circle bias contribution compares with the normal data of numerically-controlled machine circular test by the conditions of machine tool diagnostic routine of step 4, intelligent terminal, provide the data of numerically-controlled machine circular test, for dissimilar and numerically-controlled machine that is accuracy requirement, there is corresponding circular error franchise (tolerance), judge whether tested numerically-controlled machine reaches the accuracy standard requirement of this lathe based on this.
Further, for improving correctness and the reliability of lathe linear axes circular trace moving interpolation image data, the circular trace moving interpolation of lathe linear axes respectively carries out 2 times by both forward and reverse directions.
The ADS communication interface that this method is provided by Beckhoff digital control system connects intelligent terminal, this intelligent terminal can be notebook computer, panel computer etc., the coordinate data of the linear axes circular trace moving interpolation that lathe linear axes grating scale feeds back is read by intelligent terminal, then extracted the parameter being used for linear axes interlock accuracy evaluation by data processing, and make effective assessment according to the interlock characteristic of these evaluate parameters to lathe linear axes.
In this method, circle deviation refers to that the least radius of two concentric circless (minimum zone circle) of envelope on actual path is poor, can evaluate by the maximum radius scope of least square circle, least square circle asks for the fitting circle of this real-time Circular test with least square method, fitting circle is the actual standard circle of this circle, for indicating the actual circular contour size processed, radial misalignment refers to the deviation of actual path and nominal track, therefore use circle deviation or radial misalignment index as circular test characteristic parameter and work out corresponding algorithm.
This method saves the investment of inspection man's utensil, reduce inspection cost, the conditions of machine tool diagnostic routine installed by intelligent terminal reads the position data that lathe linear axes grating scale feeds back to Beckhoff digital control system inside, therefore only a USB/RS232 switching data line and a network router is needed, intelligent terminal is connected to the industrial computer main frame USB port of Beckhoff digital control system, start lathe condition diagnosing program, set the IP address of Beckhoff digital control system industrial computer main frame and router and corresponding acquisition parameter, lathe linear axes is driven to carry out circular trace moving interpolation by digital control system, corresponding coordinate data can be gathered, the actual motion track of lathe linear axes and planker can be presented at operation interface in real time, conditions of machine tool diagnostic routine can calculate minimax radius of circle automatically, the various characteristic parameter that the circles such as minimax circle deviation are tested also exports, this method simplifies the preliminary work that lathe carries out circular test, is no matter unloaded and can tests under loading condition, this method, without the need at any measuring sonde of Installing machine tool and other annex, facilitates inspection operation, this method can check the interlock error under the special-shaped path conditions such as not rounded in addition, and the path that even can need according to practical work piece processing completely arrange interlock path, the contouring error of inspection practical work piece, improve precision and the operating efficiency of lathe circular test, ensure that the quality of machine tool processing workpiece.
Claims (2)
1., based on a circular test method for Beckhoff machine tool of numerical control system, it is characterized in that this method comprises the steps:
Step one, intelligent terminal connect Beckhoff digital control system by ADS communication interface, the built-in conditions of machine tool diagnostic routine of intelligent terminal;
Step 2, operation Beckhoff digital control system driving machine bed operating, and make the linear axes of lathe make circular trace moving interpolation, the data acquisition module of conditions of machine tool diagnostic routine read the real-time circular trace coordinate data of linear axes grating scale feedback and storage data in memory module;
The analysis module of step 3, operation intelligent terminal lathe condition diagnosing program, the input in the name of round heart is the Circular test data of true origin, analysis module reads the real-time circular trace coordinate data of linear axes stored, minimum zone circle algorithm is utilized to obtain minimum zone circle home position, obtain the radius of name circle and the real-time circular trace of linear axes respectively according to name circle home position and minimum zone circle home position, analysis module exports circle bias contribution according to the radius of name circle and the real-time circular trace of linear axes;
Circle bias contribution compares with the normal data of numerically-controlled machine circular test by the conditions of machine tool diagnostic routine of step 4, intelligent terminal, provides the data of numerically-controlled machine circular test.
2. the circular test method based on Beckhoff machine tool of numerical control system according to claim 1, is characterized in that: the circular trace moving interpolation of lathe linear axes respectively carries out 2 times by both forward and reverse directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365813.0A CN105320060A (en) | 2014-07-29 | 2014-07-29 | Circle inspection method based on Beckhoff numerical control system machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365813.0A CN105320060A (en) | 2014-07-29 | 2014-07-29 | Circle inspection method based on Beckhoff numerical control system machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105320060A true CN105320060A (en) | 2016-02-10 |
Family
ID=55247658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410365813.0A Pending CN105320060A (en) | 2014-07-29 | 2014-07-29 | Circle inspection method based on Beckhoff numerical control system machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105320060A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109690427A (en) * | 2017-05-23 | 2019-04-26 | 深圳配天智能技术研究院有限公司 | A kind of method and device monitoring NC Machining Process |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056744A (en) * | 1991-07-09 | 1991-12-04 | 首都机械厂 | The detection method of circularity and roundness measuring equipment |
| CN1069803A (en) * | 1991-08-27 | 1993-03-10 | 浙江大学 | Testing instrument for circular movement locus of numerically controlled machine tool |
| CN1927535A (en) * | 2006-07-21 | 2007-03-14 | 上海大学 | Tracking method of on-line measuring roundness error and machine tool main axle error |
| CN201940862U (en) * | 2010-11-22 | 2011-08-24 | 浙江大学 | System for rapidly measuring error of circular track motion based on laser sweep interference |
| CN102581704A (en) * | 2012-03-22 | 2012-07-18 | 成都工具研究所有限公司 | Device for measuring circular trace of numerical control machine by using laser interferometer |
| JP2013069123A (en) * | 2011-09-22 | 2013-04-18 | Fanuc Ltd | Numerical control device performing speed control by allowable inward-turning amount in corner section |
| CN103557878A (en) * | 2013-07-26 | 2014-02-05 | 广东工业大学 | Absolute grating ruler multi-track encoding method |
| CN203484980U (en) * | 2013-08-23 | 2014-03-19 | 广州数控设备有限公司 | Industrial Ethernet bus based roundness error measurement device |
| CN103831669A (en) * | 2014-03-20 | 2014-06-04 | 蒋峰 | Circular degree error online measurement system and measurement method |
-
2014
- 2014-07-29 CN CN201410365813.0A patent/CN105320060A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056744A (en) * | 1991-07-09 | 1991-12-04 | 首都机械厂 | The detection method of circularity and roundness measuring equipment |
| CN1069803A (en) * | 1991-08-27 | 1993-03-10 | 浙江大学 | Testing instrument for circular movement locus of numerically controlled machine tool |
| CN1927535A (en) * | 2006-07-21 | 2007-03-14 | 上海大学 | Tracking method of on-line measuring roundness error and machine tool main axle error |
| CN201940862U (en) * | 2010-11-22 | 2011-08-24 | 浙江大学 | System for rapidly measuring error of circular track motion based on laser sweep interference |
| JP2013069123A (en) * | 2011-09-22 | 2013-04-18 | Fanuc Ltd | Numerical control device performing speed control by allowable inward-turning amount in corner section |
| CN102581704A (en) * | 2012-03-22 | 2012-07-18 | 成都工具研究所有限公司 | Device for measuring circular trace of numerical control machine by using laser interferometer |
| CN103557878A (en) * | 2013-07-26 | 2014-02-05 | 广东工业大学 | Absolute grating ruler multi-track encoding method |
| CN203484980U (en) * | 2013-08-23 | 2014-03-19 | 广州数控设备有限公司 | Industrial Ethernet bus based roundness error measurement device |
| CN103831669A (en) * | 2014-03-20 | 2014-06-04 | 蒋峰 | Circular degree error online measurement system and measurement method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109690427A (en) * | 2017-05-23 | 2019-04-26 | 深圳配天智能技术研究院有限公司 | A kind of method and device monitoring NC Machining Process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2029967B2 (en) | A method for measuring an object | |
| CN111487923B (en) | Swing position error detection and identification method for CA double-swing five-axis numerical control machine tool | |
| CN102430961B (en) | Free-form surface part processing system based on multi-sensor integrated measurement technology | |
| CN106909125B (en) | System and method for monitoring machining performance index of motor | |
| JP5547948B2 (en) | Grinding work compensation grinding method | |
| CN101249618A (en) | Machine tool having workpiece reference position setting function by contact detection | |
| CN110186400B (en) | Friction welding coaxiality precision detection device and detection method thereof | |
| CN104503367B (en) | A kind of turbo blade processing and on-line detecting system based on numerical control processing apparatus | |
| CN104166373A (en) | Online detecting method and system for numerical control machine tool machining error | |
| CN107825104A (en) | A kind of system of processing | |
| CN109794805A (en) | A kind of cone hole machine bus deviation automatic detection device and its detection method | |
| CN108972149B (en) | Numerical control tool rest machining precision and rotation precision retention test device and detection method | |
| CN110434672A (en) | A kind of automation processing quality closed loop control method | |
| CN108332642B (en) | Right-angle head precision detection method | |
| Surkov | Development of methods and means of coordinate measurements for linear and angular parameters of cutting instruments | |
| CN105320060A (en) | Circle inspection method based on Beckhoff numerical control system machine tool | |
| CN102985222A (en) | Grinding plate and grinding method | |
| CN113118868A (en) | Vertical and horizontal machining center spindle temperature compensation measurement general structure and measurement method | |
| CN106289056B (en) | A kind of dise knife library tool-changing mechanical arm device for detecting performance and method | |
| CN104197985B (en) | Numerically-controlled knife rest detecting system and working method thereof | |
| CN107234304B (en) | Accuracy of gear real-time visual device and method based on gear grinding machines on-machine measurement | |
| CN202317181U (en) | Free curved-surface-type component processing device | |
| CN204007717U (en) | Numerically-controlled slide detection system | |
| CN207593181U (en) | A kind of system of processing | |
| CN204423095U (en) | A kind of processing of the turbo blade based on numerical control processing apparatus and on-line detecting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160210 |
|
| WD01 | Invention patent application deemed withdrawn after publication |