CN109352423B - AB swing angle precision detection system of numerical control machine tool - Google Patents
AB swing angle precision detection system of numerical control machine tool Download PDFInfo
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- CN109352423B CN109352423B CN201811148361.5A CN201811148361A CN109352423B CN 109352423 B CN109352423 B CN 109352423B CN 201811148361 A CN201811148361 A CN 201811148361A CN 109352423 B CN109352423 B CN 109352423B
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- machine tool
- main shaft
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- tool
- laser interferometer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
- B23Q17/2428—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring existing positions of tools or workpieces
Abstract
The application discloses a tool and a method for detecting the AB swing angle precision of a numerical control machine tool, which comprise a connecting plate, a supporting plate and a height adjusting device arranged between the connecting plate and the supporting plate, wherein a measuring instrument is arranged on the supporting plate, and a detection tool is arranged on a main shaft of the machine tool; rotating the main shaft of the machine tool to positive and negative limit angles, adjusting the position of the interference mirror to the center of a light path of a laser interferometer of a rotation measuring instrument, recording the displacement of the two limit positions of the main shaft of the machine tool and taking the displacement as a reference value; and selecting equidistant detection points from the positive and negative limit angles, rotating the main shaft of the machine tool to each detection point, measuring, and calculating to obtain angle measurement error values of AB swing angles at different positions.
Description
Technical Field
The application relates to a numerical control equipment precision detection technology, in particular to a precision detection tool and a detection method for an AB swing angle of a numerical control machine tool.
Background
The rotary positioning precision of the swing angle AB of the numerical control equipment directly influences the hole making, drilling and riveting and machining precision of the equipment, so that the detection and acceptance of the positioning precision of the swing angle is a difficult problem. Particularly, the detection method is different greatly when the rotating main shaft is nonstandard and different in specification, at present, a tool clamp which can facilitate installation of detection equipment does not exist, a corresponding connecting piece needs to be manufactured during detection every time, and in order to solve the problem, a set of universal tool clamp needs to be designed and manufactured to meet the detection requirement of the swing angle of the numerical control equipment A, B.
Disclosure of Invention
In order to solve the problems, the application provides a numerical control machine AB swing angle precision detection system, which utilizes a detection tool to effectively and tightly combine a rotation measuring instrument, an interference mirror, a laser interferometer, a computer and a machine tool spindle for detection.
The utility model provides a digit control machine tool AB pivot angle precision detects frock, includes connecting plate, layer board and sets up the high adjusting device between connecting plate and layer board, and the rotation measuring instrument is installed on the layer board, and the layer board is the finish machining face with the continuous face of rotation measuring instrument, and it has mutually perpendicular kidney slot to open on the connecting plate, and the connecting piece passes kidney slot, will detect the frock and be connected with the lathe main shaft.
The method for detecting the AB swing angle precision by using the detection tool comprises the following specific steps:
1, mounting a detection tool on a machine tool main shaft through a kidney-shaped groove according to the distance between two mounting holes on the machine tool main shaft;
2 measuring and adjusting the flatness of the supporting plate to be within the tolerance range required by measurement,
3, fixing the rotation measuring instrument on the supporting plate, fixing a laser interferometer on the ground, and placing an interference mirror on the light path of the laser interferometer;
4, rotating the main shaft of the machine tool to positive and negative limit angles, adjusting the position of the interference mirror to the center of a light path of a laser interferometer of the rotation measuring instrument, recording the displacement of the two limit positions of the main shaft of the machine tool and taking the displacement as a reference value;
and 5, selecting equidistant detection points from the positive and negative limit angles, rotating the main shaft of the machine tool to each detection point, measuring, and calculating to obtain the error values of the AB swing angles at different positions.
The method is characterized in that universal detection equipment is installed on the detection tool, and the detection tool is adjustably installed by utilizing a connecting plate and is suitable for machine tool spindles of different types. The universality of the detection equipment is greatly improved.
Drawings
FIG. 1 is a schematic view of a detection tool structure
FIG. 2 is a schematic view of a connection plate
FIG. 3 is a schematic view of the detection tool installed on the spindle of the machine tool
FIG. 4A-B schematic view of the angle measurement of the swing angle
The numbering in the figures illustrates: 1. a connecting plate; 2. a support plate; 3. a height adjustment device; 4. a kidney-shaped groove; 5. detecting a tool; 6. rotating the measuring instrument; 7. an interference mirror; 8. laser interferometer
Detailed Description
As shown in fig. 1-4, a tool for detecting the precision of an AB swing angle of a numerical control machine tool comprises a connecting plate 1, a supporting plate 2 and a height adjusting device 3 arranged between the connecting plate 1 and the supporting plate 2, wherein a rotation measuring instrument 6 is installed on the supporting plate 2, the connecting surface of the supporting plate 2 and the rotation measuring instrument 6 is a finish machining surface, kidney-shaped grooves 4 which are perpendicular to each other are formed in the connecting plate 1, and a connecting piece penetrates through the kidney-shaped grooves 4 to connect a detection tool 5 with a spindle of the machine tool.
The method for detecting the AB swing angle precision by using the detection tool 5 comprises the following specific steps:
1, mounting a detection tool 5 on a machine tool main shaft through a kidney-shaped groove 4 according to the distance between two mounting holes on the machine tool main shaft;
2 measuring and adjusting the flatness of the supporting plate 2 to be within the measuring tolerance range,
3, fixing the rotation measuring instrument 6 on the supporting plate 2, fixing a laser interferometer 8 on the ground, and placing an interference mirror 7 on the light path of the laser interferometer 8;
4, rotating the main shaft of the machine tool to positive and negative limit angles, adjusting the position of an interference mirror 7 to the centers of optical paths of a rotation measuring instrument 6 and a laser interferometer 8, recording the displacement of the two limit positions of the main shaft of the machine tool, and taking the displacement as a reference value;
and 5, selecting equidistant detection points from the positive and negative limit angles, rotating the main shaft of the machine tool to each detection point, measuring, and calculating to obtain the error values of the AB swing angles at different positions.
Claims (1)
1. Numerical control machine AB pivot angle precision detection system, its characterized in that includes a detection frock, it includes the connecting plate to detect the frock, layer board and the high adjusting device of setting between connecting plate and layer board, rotatory measuring apparatu is installed on the layer board, the layer board is the finish machining face with the continuous face of rotatory measuring apparatu, it has mutually perpendicular's kidney slot to open on the connecting plate, the connecting piece passes the kidney slot, will detect the frock and be connected with the lathe main shaft, numerical control machine AB pivot angle precision detection method is for using rotatory measuring apparatu, the laser interferometer, the interference mirror, carry out AB pivot angle with detecting the frock and detect, concrete step is as follows:
1-1, installing a detection tool on a machine tool main shaft through a kidney-shaped groove according to the distance between two installation holes on the machine tool main shaft;
1-2 measuring and adjusting the flatness of the supporting plate to be within the tolerance range required by measurement,
1-3, fixing the rotation measuring instrument on a supporting plate, fixing a laser interferometer on the ground, and placing an interference mirror on the light path of the laser interferometer;
1-4, rotating the main shaft of the machine tool to positive and negative limit angles, adjusting the position of an interference mirror to the center of a light path of a laser interferometer of a rotation measuring instrument, recording the displacement of two limit positions of the main shaft of the machine tool and taking the displacement as a reference value;
1-5 selecting equidistant detection points from the positive and negative limit angles, rotating the machine tool spindle to each detection point, measuring, and calculating to obtain the error values of the AB swing angles at different positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148361.5A CN109352423B (en) | 2018-09-29 | 2018-09-29 | AB swing angle precision detection system of numerical control machine tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811148361.5A CN109352423B (en) | 2018-09-29 | 2018-09-29 | AB swing angle precision detection system of numerical control machine tool |
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| CN109352423A CN109352423A (en) | 2019-02-19 |
| CN109352423B true CN109352423B (en) | 2021-05-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110270849A (en) * | 2019-07-10 | 2019-09-24 | 沈阳精锐数控机床有限公司 | A kind of axis aligning method of pivoting part and the pivoting part |
| CN111397540A (en) * | 2020-03-31 | 2020-07-10 | 长春通视光电技术有限公司 | Method for detecting swing angle precision of swing mirror |
| CN112917191B (en) * | 2021-03-03 | 2022-05-17 | 北京工业大学 | Device for assisting in positioning of B-axis rotation center of swing angle milling head |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2554669Y2 (en) * | 1987-11-10 | 1997-11-17 | 博 寺町 | Rotary positioning device |
| JP2006043866A (en) * | 2004-06-30 | 2006-02-16 | Fanuc Ltd | Machine tool having pallet exchange function and pallet exchange method |
| CN102079054B (en) * | 2011-01-28 | 2012-10-17 | 浙江大学 | Device for measuring precision of numerically-controlled machine tool |
| CN103940348B (en) * | 2014-04-28 | 2016-06-29 | 湖北工业大学 | A kind of device and method of working table movement error multiple degrees of freedom detection |
| CN105004515B (en) * | 2015-07-06 | 2018-01-23 | 哈尔滨理工大学 | Hydrostatic spindle kinematic accuracy on-line testing method based on dynamic Laser interferometer |
| CN205464368U (en) * | 2016-03-30 | 2016-08-17 | 宜兴市融兴铸造有限公司 | AB pivot angle head spindle carrier is milled at high -speed longmen |
| CN106863013B (en) * | 2017-01-22 | 2018-10-30 | 西安交通大学 | A kind of the multiple degrees of freedom error simultaneous measuring apparatus and method of linear feeding system |
| JP2018124167A (en) * | 2017-01-31 | 2018-08-09 | オムロン株式会社 | Inclination measuring device |
| CN107576265B (en) * | 2017-08-07 | 2019-11-12 | 北京理工大学 | A kind of measurement method that laser interferometer focuses automatically |
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