KR20170000583A - Separate multi axis angle measuring equipment - Google Patents
Separate multi axis angle measuring equipment Download PDFInfo
- Publication number
- KR20170000583A KR20170000583A KR1020150089668A KR20150089668A KR20170000583A KR 20170000583 A KR20170000583 A KR 20170000583A KR 1020150089668 A KR1020150089668 A KR 1020150089668A KR 20150089668 A KR20150089668 A KR 20150089668A KR 20170000583 A KR20170000583 A KR 20170000583A
- Authority
- KR
- South Korea
- Prior art keywords
- equipment
- axis
- main body
- coupled
- shaft
- Prior art date
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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
- G05B19/19—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
- G05B19/40—Open loop systems, e.g. using stepping motor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Automation & Control Theory (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
Description
The present invention relates to an angle measuring apparatus for a multi-axis equipment, and more particularly, to an angle measuring apparatus for a multi-axis equipment, which is capable of performing accurate angle measurement An angle measuring device of a separate multi-axis machine which can install the angle measuring device directly on the machining and assembly equipment and minimize the errors that occur in the machining and assembly equipment and improve the quality uniformity, work environment improvement and work efficiency .
In general, a multi-axis machine includes two or more drive shafts, and examples thereof include a multi-axis machine tool, a multi-axis articulated robot, and a CMM, each of which is composed of a combination of a plurality of linear or rotary drive shafts such as a straight slide or a rotary or tilting table .
Such multiaxial equipments include many geometrical errors such as errors of the drive shafts and errors between the drive shafts, and these errors are complicatedly synthesized with each other, resulting in generation of attitude error with respect to the final product.
In order to solve the above problem, it is necessary to accurately measure whether or not an error has occurred. In the past, the measurement of the geometrical error of the machine was indirectly confirmed for performance verification and error checking of the machine. For this purpose, laser interferometer, ballbar, electrostatic capacitance sensor, autocollimator, PSD, etc. are mainly used as error measuring instruments. Especially, Is being developed.
However, since the error measurement method by indirect measurement still contains an error-generating element, there is a problem that the precision can be lowered. In addition, in the machining and assembling equipments requiring high precision, there is a problem that the quality becomes uneven due to the low precision and the reliability is lowered. In order to correct this, there is a problem that it takes a lot of work time There is a problem in that the number of users increases.
In order to solve the above problems, various techniques for checking errors have been proposed. In particular, related arts related to this are Korean Patent Laid-Open Publication No. 2011-0099386 entitled " -0027751 'Position controller with compensation function of contour error of multi-axis system' is proposed.
However, the above-mentioned prior art only discloses an indirect measurement method for checking errors in processing and assembly equipment. It is difficult to realize high accuracy of the processing and assembly equipment only by indirect measurement method, and it is necessary to perform repeated work for precise measurement work, and it takes a long time from measurement of error to correction.
SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a method and apparatus for measuring an error by a direct measurement method rather than a conventional indirect measurement method, Axis instrument, and measuring the angle of the other multi-axis machine based on the reference multi-axis machine.
In order to accomplish the above object, the present invention provides an angle measuring apparatus for measuring an angle between multi-axis equipments of a machining and assembling machine constituted by combining a plurality of multi-axes equipments, A
In addition, the
Further, the bearing 700 of the angle measuring apparatus of the separated multi-axis equipment according to the present invention is characterized by being a thrust ball bearing or a thrust roller bearing capable of supporting an axial load.
The angle measuring device of the separated multi-axis equipment according to the present invention further comprises a
The lower end surface of the
The apparatus for measuring the angle of the multi-axis machine according to the present invention, which comprises the above-described features, comprises a plurality of separate multi-axis machine tools, And the angle of the other multi-axis equipments can be measured with reference to the reference multi-axis equipments, so that the error can be measured by direct measurement.
In addition, the angle measuring apparatus of the separated multi-axis machine according to the present invention, including the above-described features, enables machining and assembling work with high precision required for machining and assembling equipment operations, thereby ensuring uniformity of quality and stability Therefore, the productivity is greatly improved, the reliability of the equipment is secured, and the reduction of workload by automation is effective in preventing industrial disaster.
FIG. 1 is a perspective view of an
2 shows another perspective view of an
3 is a front view of an
Figure 4 is a partial view of an
5 is a cross-sectional view of a
6 is a perspective view showing the connection of the
Hereinafter, the present invention will be described more specifically with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to:
FIG. 3 is a front view of an
1 and 2 are views showing an
The first
In this case, the specific multi-axis equipment to be the reference in the machining and assembly equipment and the center point in the reference multi-axis equipment are determined at the design time, and the multi-axis equipment other than the multi- It is designed to move along a sector having a certain radius as a reference.
The
In order to facilitate the disassembly and assembly of the internal structure, the
An
Inside the
5) is not limited in shape as long as one side is coupled to the
A
The second
The first
In the machining and assembling equipment constituted by combining a plurality of separate multi-axle equipment by the
The machining and assembling apparatuses in which a plurality of multi-axle equipment according to the prior art are combined are arranged such that each multi-axle equipment is not connected to each other, so that the multi-axle equipment performs precise movements based on the center point of the multi- There was no way to make sure. Therefore, it is not easy to correct the error because it is impossible to check even if an error occurs in the operation of each multi-axis equipment, and it was not easy to cope with the defect.
In order to solve the above problems, an apparatus for measuring an angle of a
4 is a view showing a
At this time, it is preferable to use a bearing in which the load acts in the axial direction, and it is preferable to use a thrust ball bearing or a thrust roller bearing.
Meanwhile, the connecting
Finally, FIG. 6 is a perspective view showing the
At this time, two
The present embodiments are provided by way of example only and do not limit the scope of the present invention. The present invention is not limited to the above embodiments and various modifications may be made without departing from the scope of the present invention as claimed in the claims.
1000 Angular measurement device of separate multi-axis equipment according to the invention
100 First Multi-Axis Equipment
200 body
300 encoder
400
500 2nd multi-axis equipment
600
620 connecting pin
700 Bearings
Claims (5)
A first multi-axis machine (100) as a reference for machining and assembly equipment;
A main body 200 coupled to the first multi-axis equipment 100 and formed in an enclosure shape;
An encoder 300 provided on an upper outer surface of the main body 200;
One side of the main body 200 is inserted into the encoder 300 through the upper surface of the main body 200 and the other side is provided on the lower side of the main body 200, A rotating shaft (400);
A second multiaxial equipment 500 disposed at a distance from the first multiaxial equipment 100; And
A connecting bar 600 formed in a rod shape having a length and having one side vertically coupled to the rotation axis 400 and the other side coupled to the second multi-axis equipment 500;
And an angle measuring device (1000) for measuring the angle of the multi-axis equipment.
The rotary shaft 400 has a stepped portion having a larger diameter than the rotary shaft 400 at a position spaced apart from the upper portion by a predetermined distance and the bearing 700 is coupled to the upper end of the stepped portion of the rotary shaft 400, (700) has one side abutted against the inner upper surface of the main body and the other side abutted against the stepped surface of the rotating shaft.
Wherein the bearing (700) is a thrust ball bearing or a thrust roller bearing capable of supporting an axial load.
A plurality of connection pins 620 are formed on the other side of the connection bar 600 and extend through the pinhole 610 and are coupled to the second multi- Axis direction of the multi-axis equipment.
Wherein the lower end surface of the main body 200 is detachable from the main body 200 so that the rotating shaft 400 and the connecting bar 600 inside the main body 200 can be disassembled and coupled. Equipment angular measuring device (1000).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020150089668A KR101842104B1 (en) | 2015-06-24 | 2015-06-24 | Separate multi axis angle measuring equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020150089668A KR101842104B1 (en) | 2015-06-24 | 2015-06-24 | Separate multi axis angle measuring equipment |
Publications (2)
Publication Number | Publication Date |
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KR20170000583A true KR20170000583A (en) | 2017-01-03 |
KR101842104B1 KR101842104B1 (en) | 2018-03-26 |
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KR1020150089668A KR101842104B1 (en) | 2015-06-24 | 2015-06-24 | Separate multi axis angle measuring equipment |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010027751A (en) | 1999-09-15 | 2001-04-06 | 허욱열 | Position Controller With a Function of Compensation for Contour Error in Multi-axes System |
KR20110099386A (en) | 2010-03-02 | 2011-09-08 | 경북대학교 산학협력단 | Error estimation method and device for multi-axis controlled machines |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100271854B1 (en) * | 1996-11-29 | 2000-11-15 | 선우중호 | Method for measuring 3-dimensional error of machine having plural axis |
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2015
- 2015-06-24 KR KR1020150089668A patent/KR101842104B1/en active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010027751A (en) | 1999-09-15 | 2001-04-06 | 허욱열 | Position Controller With a Function of Compensation for Contour Error in Multi-axes System |
KR20110099386A (en) | 2010-03-02 | 2011-09-08 | 경북대학교 산학협력단 | Error estimation method and device for multi-axis controlled machines |
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KR101842104B1 (en) | 2018-03-26 |
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