CN105345382B - Method for digitally determining angular direction of pipeline - Google Patents
Method for digitally determining angular direction of pipeline Download PDFInfo
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- CN105345382B CN105345382B CN201510695009.3A CN201510695009A CN105345382B CN 105345382 B CN105345382 B CN 105345382B CN 201510695009 A CN201510695009 A CN 201510695009A CN 105345382 B CN105345382 B CN 105345382B
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- conduit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a method for digitally determining an angular direction of a pipeline. The method comprises the steps that a connector is clamped on a clamp with the indexing function; a matched guide tube is assembled on the connector according to any space angle; a tubular measurer is used for carrying out point collecting on the outer surface of the matched guide tube and the outer surface of the connector, a space data model is obtained through measurement of the tubular measurer, and the space data model is a model with the connector end assumed as the guide tube; data intercepted from UG modeling is used as standard data, data measured from the connector and the matched guide tube is used as correlation data, and therefore simulated data deviation is obtained; then angular deviation is calculated; measurement and adjustment are performed again after the angle is adjusted, and the assembling angle direction is marked on the connector and the matched guide tube till the measurement tolerance is within the allowed assembling tolerance range of the connector. The method can directly determine the angular direction of the connector of a part like the guide tube through UG modeling graphs, and is applicable to parts like guide tubes of any tube diameter, so that the parts are machined more easily, conveniently and efficiently with low cost.
Description
Technical field
The present invention relates to conduit class Parts manufacturing technology field, and in particular to a kind of side surely angular for pipeline digitized
Method.
Background technology
Have in aero-engine it is substantial amounts of lead pipe part, the Part No. being directed to is numerous but same piece number is only made mostly
With one, therefore, the pipe part processing characteristic of leading of same model is " specification is more, batch is little ".Pipe part is led due to its function
Characteristic, its shape of different piece numbers and complex structure, thickness are different, and length is different, there is no cast identical on the same stage on electromotor
Two parts, because of its corresponding assembly relation, its cast is moved towards each conduit and joint space angularly has differences, therefore, it is long
Matching Relationship be specify only in engine duct part design drawing since long, professional etiquette is not entered to the specifying information such as cast, angular
Fixed, the processing of concrete part also depends on field investigation and sampling, assembling always.
But with the continuous improvement of manufacturing industry technical merit and processing conditionss, original process technology is more aobvious loaded down with trivial details, stream
Journey is too fat to move and there is the serious wasting of resources.
Specific deficiency analysis are as follows：
(1) for processing conditionss have strict requirements：The whole work for determining that pipeline trend and joint are angular must be whole
Machine erecting yard is carried out, and whole machine assembles substantially and finishes or have been fitted into the state with sampling condition.
(2) cycle is long：As its harsh processing conditions requires that the processing for then leading pipe part must be basic in whole machine
Assembling can be carried out after finishing, therefore, lead in the pipe part estimated process-cycle, have nearly 1/2 time to be wasted in wait.
Even if processing conditionss possess, whole sampling process then all relies on pincers worker and manufactures by hand, and needs to experience correction repeatedly
Work can complete sampling.Finally, then rely on take exemplar processing finished part.Exist in whole process excessive etc.
Treat and repeat, cycle mediocre length.
(3) processing stability and concordance are poor：Due to the restriction of processing conditionss, the quality of sampling quality relies primarily on following
2 points：1. the quality of the final assembly of used sampling；2. operate the operant skill of the pincers worker of sampling.Any point is out of joint
May result in the correction repeatedly of exemplar, reprocess.Furthermore, as whole sampling process is hand-manipulated, corresponding data useless
Hold, random excessive, repeatability and concordance cannot ensure, problem above be the use in conduit detail later stage buried it is hidden
Suffer from.
With UG modeling technique developing rapidly in Field of Aviation Manufacturing, and the gradual perfection of production equipment working ability,
Only by the UG design drawinies for leading pipe part, it is possible to determine the cast trend of conduit detail, and easily process single pipe
By live trial assembly sampling, or can be determined using corresponding assembling jig in part, but the angular determination of institute's complementary connector thereon, made
Obtaining the deficiency in whole work flow is not improved because of the light determination of cast trend.
The content of the invention
For overcoming the problems of the prior art, it is an object of the invention to provide a kind of side surely angular for pipeline digitized
Method, by UG modeling figures, the method is a kind of directly to determine that conduit class joint element is angular, which is applied to the conduit of any caliber
Class part, makes the processing of such part easier, efficient, low cost.
For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of method surely angular for pipeline digitized, comprises the following steps：
1) joint is assumed to be a bending section of conduit, using UG softwares, UG modelings is obtained；
2) trial assembly is matched somebody with somebody：
2.1) joint is clamped on the fixture with indexing function, supporting conduit is first assembled by arbitrary space angle
On joint；
2.2) sampling site is carried out to supporting conduit and joint outer surface with cast measuring instrument, and is measured by cast measuring instrument
To a Spatial Data Model, it is the model that tip side is assumed to be conduit by the Spatial Data Model；
2.3) Data Comparison：The data for intercepting will be modeled from UG as normal data, will be from joint and supporting conduit thing
On the data that measure data as a comparison, normal data and correction data are contrasted, the data deviation after being emulated；
2.4) calculate deviation angular：According to the data deviation after the emulation of gained, X-Y scheme is drawn, calculate angular deviation
D°；
2.5) adjustment angle：According to D ° of angular deviation, by D ° clockwise or counterclockwise of fixture；
2.6) measure again and adjust：Repeat step 2.2)～step 2.5), until measurement tolerance is allowed in joint
Build-up tolerance in the range of when, it is angular in joint and the note assembling of supporting conduit subscript.
The step 1) in UG modeling obtain especially by following methods：
1.1) submodel spatial data is obtained using UG softwares：
The intersecting point coordinate that need to process each section of centrage of tube assembly is caught out from UG design drawinies, at rotational angle of joint
Intersecting point coordinate and joint end face central point coordinate；
1.2) submodel is set up using UG softwares：
" mechanical pipeline arrangement " function in using UG softwares, will be in step 1.1) in the friendship coordinate point coordinates that caught it is defeated
Enter, obtain a pure conduit UG modeling that joint is assumed to be one section of bend pipe.
The step 1.1) in catch out when need to process the intersecting point coordinate of each section of centrage of tube assembly, will be relevant joint angular
Model be reduced to the catheter models of 2 bending sections.
The step 2.1) in adopt the supporting conduit of support Auxiliary support.
The step 2.3) Plays data and correction data meet manufacturing tolerance, then and chuck is qualified, if two groups of data are not
Meet manufacturing tolerance, then readjust supporting conduit.
The manufacturing tolerance is ± 0.20mm.
The fixture includes six disk of four paws and index dial for staple joint, and six disk of four paws is arranged on index dial.
Compared with prior art, the device have the advantages that：
1) it is of the invention by using UG softwares, while being adopted to supporting conduit and joint outer surface by cast measuring instrument
Point, it is possible to achieve on-line checking, whole process are machined in production scene, it is to avoid substantial amounts of turnover and repeated work,
The production cycle is shortened, processing cost is reduced, it is ensured that product quality and product are paid.
2) present invention is modeled using UG, is carried out measurement of coordinates using cast measuring instrument, be make use of existing setting to greatest extent
Standby resource, it is to avoid the idle waste of resource, and the utilization of emphasis device resource is saved, save production cost；
3) by the number for intercepting normal data and measuring from joint and supporting conduit thing will be modeled from UG in the present invention
According to being contrasted, so as to obtain data deviation, according to deviation rolling clamp, measure and adjust meeting again, can obtain more accurate
Angular data, be easy to part later stage batch to produce processing, and the inspection of fixture school
4) the method is applicable to all size, various casts and leads pipe part, and use range is wide
Description of the drawings
Fig. 1 is that conduit class Components Digital determines the angular schematic diagram of joint.
Fig. 2 is tube assembly physical model schematic diagram.
Fig. 3 is that UG models schematic diagram.
In figure：1 is cast gage probe, and 2 is index dial, and 3 is chuck, and 4 is joint, and 5 is conduit, and 6 is end face
Center, 7 is mated position center, and 8 is the first pipe two axial lines intersection point, and 9 is the second two axial lines intersection point, and 10 is welding position.
Specific embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
Assume correctly to be assembled with the conduit of the angular joint in space, and assume that the joint of pipe end is a bending of conduit
Section.
1) submodel spatial data is obtained using UG softwares：
Referring to Fig. 2 and Fig. 3, the intersecting point coordinate that need to process each section of centrage of tube assembly can be caught out from UG design drawinies,
Including the intersecting point coordinate at rotational angle of joint and the coordinate of joint end face central point, specifically obtain in end face in 6, mated position
The heart 7, the first pipe two axial lines intersection point 8, the coordinate of the second pipe two axial lines intersection point 9.
Catch the principle of point coordinates：As two intersecting straight lines can determine a plane, and this time catch the mesh of point
Be the angular relation in space for determining joint and pipe, therefore, spatially only need two intersecting planes to can reach
Expected Results.Then negligible conduit other bending sections without the need for participating in, it is only necessary to (be assumed to be a conduit in model with junction
Bending section) and a guiding-tube bend section adjacent with joint.Therefore, such any model angular about joint can be reduced to 2
The catheter models of individual bending section.
2) submodel is set up using UG softwares：
" mechanical pipeline arrangement " function in using UG softwares, will be in step 1) in caught coordinate points input, obtain
One pure conduit view that joint is assumed to be one section of bend pipe, that is, obtain UG modelings.
2.1) it is 150mm to choose an overall length, and the conduit tube component of a diameter of Ф 10, linearity, circularity, end face and axis hang down
Directly spend no more than 0.1, pipe end impulse- free robustness.
2.2) carry out taking a little using UG softwares UG modelings figure corresponding to the component, concrete data see the table below 1：
Fig. 2 is seen in the concrete point position that catches.
1 tube assembly UG of table figure catches point data (unit：mm)
Here, can further simplified model, as two intersecting straight lines can determine a plane, and this time model
Purpose is the angular relation in space that position determines joint and pipe, therefore, spatially only need two intersecting planes to can reach
Expected Results.Then negligible conduit other bending sections without the need for participating in of this model, it is only necessary to (be assumed to be in model with junction
Individual guiding-tube bend section) and a guiding-tube bend section adjacent with joint.Therefore, such any model angular about joint can letter
Turn to the catheter models of 2 bending sections.
3) trial assembly is matched somebody with somebody：
3.1) being clamped in joint has on the fixture of indexing function, and supporting conduit is first assembled temporarily by arbitrary space angle
On joint, due to conduit assembling tailheaviness shakiness, using support Auxiliary support.Wherein, fixture includes index dial 2 and is used for
Six disk 3 of four paws of staple joint 4, six disk 3 of four paws are arranged on index dial 4.
Referring to Fig. 1,5 end of conduit is provided with joint 4, by 3 staple joint 4 of chuck.
3.2) sampling site is carried out with cast measuring instrument to conduit and joint outer surface, and a space is obtained by measuring instrument analysis
Data model, the Spatial Data Model are the models that tip side is assumed conduit.
3.3) Data Comparison：The data for intercepting will be modeled from UG as normal data, by the data measured from material object
Data, two groups of emulation data of normal data and correction data are contrasted as a comparison, and the data deviation after emulation is to such as
Shown in table 2 below, two groups of emulation data fit Fixture plannings, within ± 0.20mm, it was demonstrated that fixture is qualified.
The comparing result of 2 normal data of table and correction data
Note：If standard figures is more than 0.20 with the difference of detection data, the corresponding position of " whether in deviation range "
Put, "×" occur, understand that this explanation material object has tilting tolerance according to upper table, need to readjust.
3.4) calculate deviation angular：Analysis can be obtained according to measurement result, the 8th point (the first pipe two axial lines intersection point) and the 9th
The Y value of point (the second pipe two axial lines intersection point) is 5mm, it is known that, cast moves towards coordinate and simply changes in X, Z-direction,
The deviation for being present in the 9th point of (the second pipe two axial lines intersection point) place is contrasted again, and standard figures is X:- 150, Z：- 45, detect numerical value
For X:- 144.5, Z：- 71.5, accordingly, two lines section is drawn using graphics software, line segment two-end-point is respectively：(-78、-44)(-
150th, -45) and (- 78, -44) (- 144.5, -71.5), it is found that the angle between two straight lines is 21.69 °.
3.5) adjustment angle：According to 21.69 ° of angular deviation of gained is calculated, 21.69 ° are turned clockwise on index dial.
3.6) measure again and adjust：Repeat step 3.2)～3.5), until the dress that measurement tolerance is allowed in joint
With, in the margin of tolerance, being considered as, assembling is qualified.Now, on joint and conduit, labelling assembling is angular.
Follow-up tack welding operation can be carried out in welding position 10 after above-mentioned steps.
Claims (7)
1. a kind of method surely angular for pipeline digitized, it is characterised in that comprise the following steps：
1) joint is assumed to be a bending section of conduit, using UG softwares, UG modelings is obtained；
2) trial assembly is matched somebody with somebody：
2.1) joint is clamped on the fixture with indexing function, supporting conduit is first assembled in joint by arbitrary space angle
On；
2.2) sampling site is carried out with cast measuring instrument to supporting conduit and joint outer surface, and one is obtained by cast measuring instrument measurement
Spatial Data Model, the Spatial Data Model are the models that tip side is assumed to be conduit；
2.3) Data Comparison：The data for intercepting will be modeled from UG as normal data, will be measured from joint and supporting conduit thing
The data for taking data as a comparison, normal data and correction data are contrasted, the data deviation after being emulated；
2.4) calculate deviation angular：According to the data deviation after the emulation of gained, X-Y scheme is drawn, calculate D ° of angular deviation；
2.5) adjustment angle：According to D ° of angular deviation, by D ° clockwise or counterclockwise of fixture；
2.6) measure again and adjust：Repeat step 2.2)～step 2.5), until the dress that measurement tolerance is allowed in joint
It is during with the margin of tolerance, angular in joint and the note assembling of supporting conduit subscript.
2. a kind of method surely angular for pipeline digitized according to claim 1, it is characterised in that the step 1)
Middle UG modelings are obtained especially by following methods：
1.1) submodel spatial data is obtained using UG softwares：
The intersecting point coordinate that need to process each section of centrage of tube assembly is caught out from UG design drawinies, including the friendship at rotational angle of joint
The coordinate of point coordinates and joint end face central point；
1.2) submodel is set up using UG softwares：
" mechanical pipeline arrangement " function in using UG softwares, will be in step 1.1) in caught need processing each section of tube assembly in
The intersecting point coordinate input of heart line, obtains a pure conduit UG modeling that joint is assumed to be one section of bend pipe.
3. a kind of method surely angular for pipeline digitized according to claim 2, it is characterised in that the step
1.1) catch out in when need to process the intersecting point coordinate of each section of centrage of tube assembly, 2 will be reduced to about the angular model of joint
The catheter models of individual bending section.
4. a kind of method surely angular for pipeline digitized according to claim 1, it is characterised in that the step
2.1) the supporting conduit of support Auxiliary support is adopted in.
5. a kind of method surely angular for pipeline digitized according to claim 1, it is characterised in that the step
2.3) Plays data and correction data meet manufacturing tolerance, then chuck is qualified, if two groups of data do not meet manufacturing tolerance, weigh
Supporting conduit is adjusted newly.
6. a kind of method surely angular for pipeline digitized according to claim 5, it is characterised in that the manufacture is public
Difference is ± 0.20mm.
7. a kind of method surely angular for pipeline digitized according to claim 1, it is characterised in that the fixture bag
Six disk of four paws and index dial for staple joint is included, six disk of four paws is arranged on index dial.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510695009.3A CN105345382B (en) | 2015-10-21 | 2015-10-21 | Method for digitally determining angular direction of pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510695009.3A CN105345382B (en) | 2015-10-21 | 2015-10-21 | Method for digitally determining angular direction of pipeline |
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| CN105345382A CN105345382A (en) | 2016-02-24 |
| CN105345382B true CN105345382B (en) | 2017-03-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106354919B (en) * | 2016-08-26 | 2019-07-02 | 北京星航机电装备有限公司 | A kind of pipeline digitlization accurate forming method |
| CN112577386B (en) * | 2020-10-30 | 2022-05-31 | 中国航发沈阳黎明航空发动机有限责任公司 | Accurate control method for marking position of aircraft engine pipeline |
| CN115111453B (en) * | 2022-06-22 | 2023-06-30 | 四川航天长征装备制造有限公司 | Five-way joint size prediction method based on digital manufacturing |
| CN115502840A (en) * | 2022-08-11 | 2022-12-23 | 青岛高测科技股份有限公司 | Feeding control method and system for grinding machine, computer equipment and medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2888959B1 (en) * | 2005-07-22 | 2007-10-12 | Airbus France Sas | METHOD AND DEVICE FOR SIMULATION OF BENDING OF A TUBE |
| CN104216283B (en) * | 2014-06-13 | 2017-01-25 | 沈阳飞机工业（集团）有限公司 | Rapid generation method of aircraft conduit processing files |
| CN104308658B (en) * | 2014-10-29 | 2016-08-17 | 西安航空动力股份有限公司 | Conduit class method of processing parts based on tubular measuring machine |
| CN104729455B (en) * | 2014-12-04 | 2017-01-11 | 北京航空航天大学 | Pipeline flexible welding and assembling robot posture calculation method based on measurement data |
| CN104714473B (en) * | 2014-12-04 | 2017-11-24 | 北京航空航天大学 | A kind of conduit surplus cutting position computational methods of pipeline flexible welding and assembling |
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Address after: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee after: AECC AVIATION POWER CO,LTD. Address before: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee before: AVIC AVIATION ENGINE Corp.,PLC |
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Address after: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee after: AVIC AVIATION ENGINE Corp.,PLC Address before: Fengcheng Weiyang District ten road 710021 Shaanxi city of Xi'an Province Patentee before: XI'AN AVIATION POWER Co.,Ltd. |
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