CN108526558A - A kind of large-sized flange end face processing technology - Google Patents
A kind of large-sized flange end face processing technology Download PDFInfo
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- CN108526558A CN108526558A CN201710122075.0A CN201710122075A CN108526558A CN 108526558 A CN108526558 A CN 108526558A CN 201710122075 A CN201710122075 A CN 201710122075A CN 108526558 A CN108526558 A CN 108526558A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
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Abstract
The present invention provides a kind of large-sized flange end face processing technology, includes the following steps：Full circle ring end face is averagely divided into several processed sections easy to process according to end face of flange diameter；Initial leveling is completed to mobile Milling Motion in Three-axes NC by level measurement device；First road processing is carried out to a certain section of processed section plane after leveling；Change the installation site of mobile Milling Motion in Three-axes NC and leveling is carried out to it, first road processing is carried out to remaining processed section plane successively；After completing first road processing to full circle ring end face, plane precision after processing is measured using level measurement device, measures to be processed section plane and be processed section plane in leading portion using height measuring device and connects remaining processing capacity at knife；The data measured are inputted after mobile Milling Motion in Three-axes NC to the processing for generating two processing numerical control interpolation programs and completing to measured processed section plane, complete the processing to full circle ring end face.The scene processing of large-sized flange end face can be achieved, and high precision machining, efficiency are high.
Description
Technical field
The present invention relates to flange manufacture field more particularly to a kind of large-sized flange end face processing technologys.
Background technology
Flange (hermatic door) face processing on previous large-sized structural parts is always an insoluble problem, since large size is tied
Component it is oversized, flange face can not be processed on conventional milling machine, and use first individually after processing flange face and structure
The deformation of part welding, component is not easy to control, and levelness is also difficult to reach on construction requirement, such as floating crane support cylinder
Flange face is processed.Traditional processing technology is often that the end face of large-sized flange structural member is processed using the structure of rotary rack,
But since the length of revolution support arm is longer, and central shaft, there are gap, which can be amplified by revolution support arm, seriously affect
Machining accuracy, and traditional processing method process-cycle is long, and efficiency is low.
Therefore, how existing large-sized flange end face processing technology is improved, it is ability so that it is overcome drawbacks described above
A field technique personnel problem urgently to be resolved hurrily.
Invention content
In view of the above-mentioned state of the art, technical problem to be solved by the present invention lies in provide a kind of large-sized flange end
Face processing technology is, it can be achieved that the scene of large-sized flange end face processes, and high precision machining, efficiency are high.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of large-sized flange end face processing technology, packet
Include following steps：(1) full circle ring end face is averagely divided into according to the diameter of end face of flange by several processed sections easy to process；
(2) initial leveling is completed to mobile Milling Motion in Three-axes NC by level measurement device；(3) three axis of movable type after leveling is used
CNC milling machine carries out first road processing to a certain section of processed section plane；(4) change the installation site of mobile Milling Motion in Three-axes NC
It realizes the conversion of processing stations, and initial leveling is carried out to it, first road processing is carried out to remaining processed section plane successively；
(5) after completing first road processing to full circle ring end face, plane precision after processing is measured using level measurement device, uses elevation carrection
Device, which measures to be processed section plane and be processed section plane in leading portion, connects remaining processing capacity at knife；(6) it will measure in step (5)
Two processing numerical control interpolation programs are generated after the mobile Milling Motion in Three-axes NC of data input and are completed to measured processed section
The processing to full circle ring end face is completed in the processing of plane.
The processing program that the process of measurement and step (6) of step (5) are repeated when higher to end face of flange required precision, carries out
Third road finishes.
Laser positioning correction is carried out to finished product after processing is completed and follows round test.
The level measurement device is electrolevel.
The height measuring device is altimeter.
Advantageous effect：
Using technical solution provided by the invention, compared with prior art, have the advantages that：
Entire flange annulus end face is averagely divided into multistage and carried out by a kind of large-sized flange end face processing technology of the present invention
Processing, processing are carried out using mobile Milling Motion in Three-axes NC special plane, can carry out multiple tracks finishing according to the required precision of end face of flange
Work is, it can be achieved that the scene of large-sized flange end face processes, and high precision machining, efficiency are high；Processing is ensured by equipment precision
Local horizontal error is small；It is measured in conjunction with electrolevel and ensures that the horizontal gradient error in each segmentation face is small；Knife is grasped by precision
Make to ensure that the indirect knife error of segmentation is small；The error of horizontal arbitrary arc length is small on annulus；Annulus integral level error is small；All finished products
Pass through laser positioning to make corrections and follow round test, to ensure best orientation precision and servo characteristic.
Specific implementation mode
, there are further understanding and understanding in the effect of to make to technical scheme of the present invention and being reached, to preferable
Embodiment is described in detail, and is described as follows：
A kind of large-sized flange end face processing technology includes the following steps as an improvement of the present invention：
(1) full circle ring end face is averagely divided into according to the diameter of end face of flange by several processed sections easy to process；
(2) initial leveling, mobile three-axis numerical control milling are completed to mobile Milling Motion in Three-axes NC by level measurement device
Bed supports NC Interpolation function that can meet milling arc groove and error compensation function；
(3) the mobile Milling Motion in Three-axes NC after leveling is used to carry out first road processing to a certain section of processed section plane；
(4) installation site for changing mobile Milling Motion in Three-axes NC realizes the conversion of processing stations, and is carried out initially to it
Leveling carries out first road processing to remaining processed section plane successively；
(5) after completing first road processing to full circle ring end face, plane precision after processing is measured using level measurement device, is used
Height measuring device, which measures to be processed section plane and be processed section plane in leading portion, connects remaining processing capacity at knife；
(6) data measured in step (5) are inputted after mobile Milling Motion in Three-axes NC and generates two processing numerical control interpolations
Program and the processing for completing the processed section plane to being measured, complete the processing to full circle ring end face.
As further improvement of the present invention, the measurement journey of step (5) is repeated when higher to end face of flange required precision
The processing program of sequence and step (6) carries out third road finishing, can carry out multiple tracks finishing according to the required precision of end face of flange
Work.
Laser positioning correction is carried out to finished product after processing is completed and follows round test, to ensure best orientation precision and servo
Characteristic.
Level measurement device is electrolevel, and height measuring device is altimeter.
Entire flange annulus end face is averagely divided into multistage to be processed, processing is special using mobile Milling Motion in Three-axes NC
Machine carry out, can according to the required precision of end face of flange carry out multiple tracks finishing, it can be achieved that large-sized flange end face scene process, and
High precision machining, efficiency are high；Processing ensures that local horizontal error is small by equipment precision；It measures and protects in conjunction with electrolevel
The horizontal gradient error in each segmentation face of card is small；Ensure that the indirect knife error of segmentation is small by accurate aim at tool operation；It is horizontal on annulus to appoint
The error for arc length of anticipating is small；Annulus integral level error is small.
By taking 18 rice diameter end face of flange as an example, full circle ring end face is averagely divided into about 40 sections of segmental machinings, processing uses
Mobile Milling Motion in Three-axes NC special plane carries out.Processing ensures that local horizontal error is no more than 0.03mm/ by equipment precision
300mm；It is measured in conjunction with electrolevel and ensures that the horizontal gradient error of each sectional plan is no more than 0.08mm；By precision to knife
Operation ensures that being segmented indirect knife error is no more than 0.03mm；Horizontal error is not more than 0.15mm in arbitrary 3 meters of arc length on annulus；Appoint
Horizontal error is not more than 0.25mm in 8 meters of arc length of anticipating；Annulus integral level error is not more than 0.5mm.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of skill in the art that it still can be right
Technical solution recorded in previous embodiment is modified, or is replaced on an equal basis to which part technical characteristic；And these
Modification or replacement, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (5)
1. a kind of large-sized flange end face processing technology, which is characterized in that include the following steps：
(1) full circle ring end face is averagely divided into according to the diameter of end face of flange by several processed sections easy to process；
(2) initial leveling is completed to mobile Milling Motion in Three-axes NC by level measurement device；
(3) the mobile Milling Motion in Three-axes NC after leveling is used to carry out first road processing to a certain section of processed section plane；
(4) installation site for changing mobile Milling Motion in Three-axes NC realizes the conversion of processing stations, and carries out initial leveling to it,
First road processing is carried out to remaining processed section plane successively；
(5) after completing first road processing to full circle ring end face, plane precision after processing is measured using level measurement device, uses height
Measuring device, which measures to be processed section plane and be processed section plane in leading portion, connects remaining processing capacity at knife；
(6) data measured in step (5) are inputted after mobile Milling Motion in Three-axes NC and generates two processing numerical control interpolation programs
And the processing of the processed section plane to being measured is completed, complete the processing to full circle ring end face.
2. a kind of large-sized flange end face processing technology according to claim 1, which is characterized in that wanted to end face of flange precision
The processing program that the process of measurement and step (6) of step (5) are repeated when asking higher, carries out third road finishing.
3. a kind of large-sized flange end face processing technology according to claim 2, which is characterized in that after processing is completed at
Product carry out laser positioning correction and follow round test.
4. a kind of large-sized flange end face processing technology according to claim 1, which is characterized in that the level measurement device
For electrolevel.
5. a kind of large-sized flange end face processing technology according to claim 1, which is characterized in that the height measuring device
For altimeter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710122075.0A CN108526558B (en) | 2017-03-01 | 2017-03-01 | A kind of large-sized flange end face processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710122075.0A CN108526558B (en) | 2017-03-01 | 2017-03-01 | A kind of large-sized flange end face processing technology |
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| Publication Number | Publication Date |
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| CN108526558A true CN108526558A (en) | 2018-09-14 |
| CN108526558B CN108526558B (en) | 2019-10-22 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1768991A (en) * | 2004-11-02 | 2006-05-10 | 赵学 | Apparatus for processing large aperture flange seal surface for container joint |
| CN201350517Y (en) * | 2008-12-29 | 2009-11-25 | 湖南工业职业技术学院 | Special milling machine for processing flange |
| EP2130630A1 (en) * | 2008-06-06 | 2009-12-09 | Status Pro Maschinenmesstechnik GmbH | Method for face milling workpiece surfaces |
| CN201644883U (en) * | 2010-03-16 | 2010-11-24 | 叶宏洪 | Special milling machine for processing flange end face |
| CN203265728U (en) * | 2013-06-04 | 2013-11-06 | 中国葛洲坝集团机械船舶有限公司 | Device for processing large flange surface |
| CN204248050U (en) * | 2014-11-21 | 2015-04-08 | 常德市联嘉机械有限公司 | A kind of cylinder end flange processing unit (plant) |
| CN104511629A (en) * | 2013-12-14 | 2015-04-15 | 柳州市国顺机械制造有限公司 | Flange plane milling method |
-
2017
- 2017-03-01 CN CN201710122075.0A patent/CN108526558B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1768991A (en) * | 2004-11-02 | 2006-05-10 | 赵学 | Apparatus for processing large aperture flange seal surface for container joint |
| EP2130630A1 (en) * | 2008-06-06 | 2009-12-09 | Status Pro Maschinenmesstechnik GmbH | Method for face milling workpiece surfaces |
| CN201350517Y (en) * | 2008-12-29 | 2009-11-25 | 湖南工业职业技术学院 | Special milling machine for processing flange |
| CN201644883U (en) * | 2010-03-16 | 2010-11-24 | 叶宏洪 | Special milling machine for processing flange end face |
| CN203265728U (en) * | 2013-06-04 | 2013-11-06 | 中国葛洲坝集团机械船舶有限公司 | Device for processing large flange surface |
| CN104511629A (en) * | 2013-12-14 | 2015-04-15 | 柳州市国顺机械制造有限公司 | Flange plane milling method |
| CN204248050U (en) * | 2014-11-21 | 2015-04-08 | 常德市联嘉机械有限公司 | A kind of cylinder end flange processing unit (plant) |
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| Publication number | Publication date |
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| CN108526558B (en) | 2019-10-22 |
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