CN111459095A - Method for eliminating machining reversing lines of numerical control machine tool by using ball rod instrument - Google Patents
Method for eliminating machining reversing lines of numerical control machine tool by using ball rod instrument Download PDFInfo
- Publication number
- CN111459095A CN111459095A CN202010267884.2A CN202010267884A CN111459095A CN 111459095 A CN111459095 A CN 111459095A CN 202010267884 A CN202010267884 A CN 202010267884A CN 111459095 A CN111459095 A CN 111459095A
- Authority
- CN
- China
- Prior art keywords
- controller
- instrument
- machine tool
- ball rod
- ball
- 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.)
- Granted
Links
Images
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
- G05B19/404—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 compensation, e.g. for backlash, overshoot, tool offset, tool wear, temperature, machine construction errors, load, inertia
-
- 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
- G05B2219/33—Director till display
- G05B2219/33133—For each action define function for compensation, enter parameters
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)
- Automatic Control Of Machine Tools (AREA)
Abstract
The invention discloses a method for eliminating machining reversing lines of a numerical control machine tool by using a ball rod instrument, which comprises the following steps: (a) debugging the axial motor parameters of the lathe by using a controller to ensure that the gain and the inertia ratio of the motor are correct; (b) debugging the sharp angle of the speed by using a controller to ensure that the circular roundness of the plane electron is less than 1 mu m; (c) measuring the sharp angle and the back clearance of the plane by using a ball rod instrument, and adjusting the compensation parameters of the controller to ensure that the sharp angle and the back clearance of the ball rod instrument are both smaller than 1 mu m. The lathe axial gain is adjusted to ensure that no vibration occurs during movement, and the taper angle, the back clearance and the roundness of the ball rod instrument are all smaller than 1 mu m through debugging, so that the problem of the reversing lines caused by static friction force in numerical control machining can be effectively solved.
Description
Technical Field
The invention belongs to the technical field of numerical control machine tool machining, relates to a method for eliminating reversing lines, and particularly relates to a method for eliminating the reversing lines machined by a numerical control machine tool by using a ball rod instrument.
Background
On a numerical control machine tool (such as a milling machine), the machine tool often has viscosity when being started in a reversing or zero-speed mode, so that a workpiece has light shadow change at a reversing position to generate reversing lines. For the reversing lines generated by the numerical control machine tool, the current debugging process starts from electronic circle following, the electronic circle following only considers the motor end and does not consider the influence of mechanism errors on the end cutting point, so that the debugging space is limited.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a method for eliminating machining reversing lines of a numerical control machine by using a ball rod instrument.
In order to achieve the purpose, the invention adopts the technical scheme that: a method for eliminating machining reversing lines of a numerical control machine tool by using a ball rod instrument comprises the following steps:
(a) debugging the axial motor parameters of the lathe by using a controller to ensure that the gain and the inertia ratio of the motor are correct;
(b) debugging the sharp angle of the speed by using a controller to ensure that the circular roundness of the plane electron is less than 1 mu m;
(c) measuring the sharp angle and the back clearance of the plane by using a ball rod instrument, and adjusting the compensation parameters of the controller to ensure that the sharp angle and the back clearance of the ball rod instrument are both smaller than 1 mu m.
Optimally, step (a) comprises the steps of:
(a1) estimating the inertia of the axial motor by using the controller;
(a2) and under the condition that the lathe does not vibrate, the gain of the axial motor is improved.
Further, the controller is a 22-series controller.
Further, in step (a2), a velocity loop gain, a velocity loop integration time constant, and a position loop gain are modified to increase the axial motor gain.
Optimally, step (b) comprises the steps of:
(b1) setting parameters for debugging the speed sharp angle by using the controller;
(b2) setting a circle-following plane, starting the controller to compensate parameters of a speed sharp angle, and performing idle running by taking the selected radius and the feeding rate as circle-following conditions;
(b3) under the condition of ensuring that the coordinate system of the workpiece is correctly set, performing function learning of a plurality of groups of circle-following conditions;
(b4) and starting compensation to ensure that the roundness of the plane electron circle is less than 1 mu m.
Optimally, step (c) comprises the steps of:
(c1) erecting a ball arm instrument on a lathe machine;
(c2) performing roundness measurement by using a ball bar instrument, checking a measurement result of the ball bar instrument, filling a back clearance measurement value into the controller, and starting linear rail compensation and hard rail compensation according to the actual condition of the lathe machine;
(c3) and (c2) repeating the step until the tip angle and the back clearance of the ball arm are less than 1 μm.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the method for eliminating the reversing lines of the numerical control machine tool by using the ball rod instrument ensures that no vibration occurs during movement by adjusting the axial gain of the lathe, ensures that the sharp angle, the back clearance and the roundness of the ball rod instrument are all smaller than 1 mu m by debugging, and can effectively solve the problem of the reversing lines caused by static friction force during numerical control machining; the debugging process is friendly, has a larger debugging space, and can be applied to old machine tools with larger back clearance errors due to the abrasion of the screw rod.
Drawings
FIG. 1 is a flow chart of the method for eliminating the machining reversing lines of the numerical control machine tool by using a ball rod instrument.
Detailed Description
The following detailed description of preferred embodiments of the invention will be made.
The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced. Directional phrases used in connection with the present invention, such as "upper," "lower," "front," "rear," "left," "right," "inner," "outer," "side," and the like, refer only to the orientation of the figure(s). Accordingly, the directional terminology is used for purposes of illustration and understanding, and is in no way limiting. In addition, in the description, unless explicitly described to the contrary, the word "comprise" or "comprises" should be understood to mean that including the element, but not excluding any other elements.
As shown in fig. 1, the method for eliminating the reversing lines of the numerical control machine tool by using the ball rod instrument comprises the following steps:
(a) the axial motor parameters of a lathe (which can be a milling machine or a machine tool and the like) are debugged by using a controller, so that the gain and the inertia ratio of the motor are ensured to be correct, and the lathe does not vibrate when moving; in particular to a method for preparing a high-performance nano-silver alloy,
(a1) the controller is used for controlling the axial motor through a driver (namely the driver is respectively connected with the controller and the axial motor), the driver is preferably AN S08-SMD-34C series four-in-one driver of a new generation company and is provided with a plurality of interfaces, namely AN interface A, AN external power supply input contact, which can be connected with 380-V three-in-one power supply, AN interface B, a motor driving power supply output contact, which is connected with a motor power supply side, a first to fourth axis interface from right to left, a brake resistor contact, AN upper power supply input contact, a USB communication interface D, a special motor driving power supply output contact, a special hand wheel input switch input contact, a special hand wheel switch input switch, a special hand wheel switch, a special signal input switch, a special signal output contact, a special switch, a special hand wheel switch, a special switch, and the like.
(a2) Under the condition that the lathe does not vibrate (the non-vibration means that the lathe does not vibrate when moving back and forth at G00 in the axial direction), the gain of the axial motor is improved, and the operation of the controller is as follows: parameter setting-next page-serial parameter setting, changing Pn100 speed loop gain, Pn101 speed loop integral time constant and Pn102 position loop gain to improve axial motor gain;
(b) debugging the sharp angle of the speed by using a controller to ensure that the circular roundness of the plane electron is less than 1 mu m; in particular to a method for preparing a high-performance nano-silver alloy,
(b1) the method comprises the following steps of utilizing a controller to carry out parameter setting of speed sharp angle debugging, and specifically operating the controller as follows: parameter setting, debugging function, round-following debugging and speed sharp angle debugging;
(b2) setting a circle-following plane (usually, a workpiece coordinate system is selected first, then the circle-following plane is selected, such as an XY plane, a YZ plane or an XZ plane, the same is applied below), starting a controller to perform speed sharp angle parameter compensation (namely, a controller parameter compensation function Pr2921), and modifying the circle-following condition into a common motion radius R (mm) and a feed rate F (mm/min) so as to perform idle running;
(b3) under the condition of ensuring that a workpiece coordinate system (namely a machine tool G54 coordinate system) is correctly set (at the moment, the machine tool does not collide with the hardware limit during moving), carrying out multi-group function learning of circle following conditions;
(b4) after the function learning is finished, the operation mode is changed into the starting compensation mode, the program is generated and starts to be executed, and the debugging result can be checked, so that the roundness of the plane electron circular is smaller than 1 mu m;
(c) measuring the sharp angle and the back clearance (namely the reverse clearance) of the plane by using a ball rod instrument, and adjusting the compensation parameters of the controller to ensure that the sharp angle and the back clearance of the ball rod instrument are both smaller than 1 mu m; in particular to a method for preparing a high-performance nano-silver alloy,
(c1) erecting a ball arm instrument on a lathe machine;
(c2) performing roundness measurement by using a ball bar instrument, checking the measurement result of the ball bar instrument, filling back clearance measurement values into a controller (serving as Pr1241- (G00 back clearance amount) and Pr1261- (G01 back clearance amount)), and starting line rail compensation and hard rail compensation according to the actual condition of a lathe machine (parameter Pr1221- (1: starting line rail compensation 2: starting hard rail compensation));
(c3) and (c2) repeating the step until the tip angle and the back clearance of the ball arm are less than 1 μm.
The above-mentioned embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (6)
1. A method for eliminating machining reversing lines of a numerical control machine tool by using a ball rod instrument is characterized by comprising the following steps:
(a) debugging the axial motor parameters of the lathe by using a controller to ensure that the gain and the inertia ratio of the motor are correct;
(b) debugging the sharp angle of the speed by using a controller to ensure that the circular roundness of the plane electron is less than 1 mu m;
(c) measuring the sharp angle and the back clearance of the plane by using a ball rod instrument, and adjusting the compensation parameters of the controller to ensure that the sharp angle and the back clearance of the ball rod instrument are both smaller than 1 mu m.
2. The method for eliminating numerically controlled machine tool machining reversal lines by using the ball bar instrument as claimed in claim 1, wherein the step (a) includes the steps of:
(a1) estimating the inertia of the axial motor by using the controller;
(a2) and under the condition that the lathe does not vibrate, the gain of the axial motor is improved.
3. The method for eliminating the reversing lines of the numerical control machine tool machining by using the ball rod instrument as claimed in claim 2, wherein the method comprises the following steps: the controller is a 22-series controller.
4. The method for eliminating the reversing lines of the numerical control machine tool machining by using the ball rod instrument as claimed in claim 2 or 3, wherein the method comprises the following steps: in step (a2), modifying a velocity loop gain, a velocity loop integration time constant, and a position loop gain to increase the axial motor gain.
5. The method for eliminating numerically controlled machine tool machined reversal lines by using the ball bar instrument as claimed in claim 1, wherein the step (b) comprises the steps of:
(b1) setting parameters for debugging the speed sharp angle by using the controller;
(b2) setting a circle-following plane, starting the controller to compensate parameters of a speed sharp angle, and performing idle running by taking the selected radius and the feeding rate as circle-following conditions;
(b3) under the condition of ensuring that the coordinate system of the workpiece is correctly set, performing function learning of a plurality of groups of circle-following conditions;
(b4) and starting compensation to ensure that the roundness of the plane electron circle is less than 1 mu m.
6. The method for eliminating numerically controlled machine tool machined reversal lines using a ball bar machine as claimed in claim 1, wherein step (c) includes the steps of:
(c1) erecting a ball arm instrument on a lathe machine;
(c2) performing roundness measurement by using a ball bar instrument, checking a measurement result of the ball bar instrument, filling a back clearance measurement value into the controller, and starting linear rail compensation and hard rail compensation according to the actual condition of the lathe machine;
(c3) and (c2) repeating the step until the tip angle and the back clearance of the ball arm are less than 1 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010267884.2A CN111459095B (en) | 2020-04-08 | 2020-04-08 | Method for eliminating machining reversing lines of numerical control machine tool by using ball rod instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010267884.2A CN111459095B (en) | 2020-04-08 | 2020-04-08 | Method for eliminating machining reversing lines of numerical control machine tool by using ball rod instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111459095A true CN111459095A (en) | 2020-07-28 |
| CN111459095B CN111459095B (en) | 2021-02-26 |
Family
ID=71685924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010267884.2A Active CN111459095B (en) | 2020-04-08 | 2020-04-08 | Method for eliminating machining reversing lines of numerical control machine tool by using ball rod instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111459095B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113485242A (en) * | 2021-08-09 | 2021-10-08 | 新代科技(苏州)有限公司 | Method for solving highlight quadrant striations by utilizing driver torque feedforward compensation |
| CN113732784A (en) * | 2021-08-23 | 2021-12-03 | 深圳华数机器人有限公司 | Model selection matching method for servo motor of numerical control machine tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0913749A1 (en) * | 1997-03-21 | 1999-05-06 | Fanuc Ltd | Shift command correction method and servo control system in which shift command is corrected |
| TW537079U (en) * | 2002-10-25 | 2003-06-11 | Awea Mechantronic Co Ltd | Improved driving mechanism for gantry milling machine |
| CN102478820A (en) * | 2010-11-23 | 2012-05-30 | 大连创达技术交易市场有限公司 | Novel device for compensating positioning error of numerical control machine tool in real time |
| CN109032082A (en) * | 2018-08-16 | 2018-12-18 | 广东润星科技有限公司 | The portable method of adjustment of FANUC system FAQs |
| KR20190009514A (en) * | 2017-07-19 | 2019-01-29 | 경일대학교산학협력단 | Ball bar with geometric error measuring function |
| CN110109418A (en) * | 2019-05-19 | 2019-08-09 | 重庆理工大学 | A kind of geometric error Fast Identification Method of five face machining center of large-sized gantry |
-
2020
- 2020-04-08 CN CN202010267884.2A patent/CN111459095B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0913749A1 (en) * | 1997-03-21 | 1999-05-06 | Fanuc Ltd | Shift command correction method and servo control system in which shift command is corrected |
| TW537079U (en) * | 2002-10-25 | 2003-06-11 | Awea Mechantronic Co Ltd | Improved driving mechanism for gantry milling machine |
| CN102478820A (en) * | 2010-11-23 | 2012-05-30 | 大连创达技术交易市场有限公司 | Novel device for compensating positioning error of numerical control machine tool in real time |
| KR20190009514A (en) * | 2017-07-19 | 2019-01-29 | 경일대학교산학협력단 | Ball bar with geometric error measuring function |
| CN109032082A (en) * | 2018-08-16 | 2018-12-18 | 广东润星科技有限公司 | The portable method of adjustment of FANUC system FAQs |
| CN110109418A (en) * | 2019-05-19 | 2019-08-09 | 重庆理工大学 | A kind of geometric error Fast Identification Method of five face machining center of large-sized gantry |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113485242A (en) * | 2021-08-09 | 2021-10-08 | 新代科技(苏州)有限公司 | Method for solving highlight quadrant striations by utilizing driver torque feedforward compensation |
| CN113732784A (en) * | 2021-08-23 | 2021-12-03 | 深圳华数机器人有限公司 | Model selection matching method for servo motor of numerical control machine tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111459095B (en) | 2021-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102481680B (en) | Machine Tool And Machining Method | |
| CN111459095B (en) | Method for eliminating machining reversing lines of numerical control machine tool by using ball rod instrument | |
| CN101799675B (en) | Machine tool and controlling method thereof | |
| CN103941640B (en) | Five-axis machine tool is realized the continuous method of machining locus | |
| US20100138018A1 (en) | Method for producing a parts program | |
| JP5359320B2 (en) | Machine Tools | |
| CN101563661B (en) | Working control device | |
| CN101169647A (en) | Mini line segment curve five-axis linkage machining speed smoothing method | |
| CN101767303A (en) | CNC abrasive belt grinding machine of steam turbine blade | |
| CN109901518B (en) | Method for planning acceleration and deceleration speed of numerical control machine tool under constant force constraint condition | |
| CN111338291A (en) | Abbe error compensation method and system based on machine tool positioning precision measurement | |
| CN201333654Y (en) | Turbine blade digital control abrasive belt grinding machine | |
| CN105824289B (en) | The complex-curved universal method of aspherical cutter multi-axis NC machining | |
| JP4115925B2 (en) | Machine tool control method and control device therefor | |
| CN104635624A (en) | Control method and control system for controlling numerical control system of four-axis processing equipment | |
| JP5218103B2 (en) | Machine Tools | |
| CN107942951B (en) | Platform tail system and its working method, numerically-controlled machine tool | |
| CN111123846B (en) | Numerical controller and numerical control system | |
| CN101332579A (en) | Numerical control aspheric reflector forming machine and use method thereof | |
| CN105171037A (en) | High-efficiency and high-accuracy PCB numerical control drilling control method | |
| CN111708324A (en) | Control method for inhibiting reversing lines based on speed feedforward function | |
| CN111857040B (en) | Main shaft following synchronous control method for improving thread turning precision | |
| CN209657647U (en) | A kind of numerical control machine for electromechanical teaching | |
| CN112372069A (en) | Method for online measuring and compensating diameter of saw blade of sawing machine by using main shaft current feedback | |
| CN204194845U (en) | A kind of combination swings boring bar device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |