CN1888991A - Through-flow type guide blade body mating surface working process parameter calculating method - Google Patents
Through-flow type guide blade body mating surface working process parameter calculating method Download PDFInfo
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- CN1888991A CN1888991A CNA2006100214025A CN200610021402A CN1888991A CN 1888991 A CN1888991 A CN 1888991A CN A2006100214025 A CNA2006100214025 A CN A2006100214025A CN 200610021402 A CN200610021402 A CN 200610021402A CN 1888991 A CN1888991 A CN 1888991A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
A throughflow guide vane joggling surface processing technology parameter computational method, the method is: according to the Re and Rs are the distance from the guide vane turning centre to the top and end part joggling point of the guide vane processing projecting map A-A section, the He and Hs are the distance from the top and end part joggling point to the datum line, the As is the distance from the section to the sphere centre, the H is the distance from the section to the datum line, computes the A1, A2, A3 and A4 that are the angles between the top and end part joggling point with the horizontal and sphere centre, computes the three-dimensional coordinate of the top and end part joggling line on the big and small end sphere centre of the guide vane according to the parameter, computes the joggling surface processing angle that the top and end part joggling line is located, provides the convenient lineation adjusting datum for the un-finish and finish machining, achieves the spacing plane process by the conventional machine tool and the conventional shaping method, saves the cost of stocking large-scale numerical control equipment or extra process, saves the design and the manufacture of special technology equipment.
Description
Technical field
The present invention relates to through-flow type guide blade body mating surface working process parameter calculating method.
Background technology
Through-flow type machine set water guiding mechanism is one of of paramount importance parts in this type, and movable guide vane be complex-shaped in the water distributor, requirement on machining accuracy is high and a fairly large number of important processing parts, its processing technology establishment and manufacturing difficulty, present domestic each hydroelectric facility manufacturer, most utilization numerically-controlled machine or designed large amount of complex special process equipment this space curved surface of stator Sealing Surface is processed, its processing cost height, processing and manufacturing and assembly period are long.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of through-flow type guide blade body mating surface working process parameter calculating method, for the thick finishing of guide blade body mating surface provides line centering benchmark and planing tool feeding angle, realize the processing of conventional lathe of employing and conventional method for milling to space plane, save the great number cost of large-sized numerical control equipment purchase or external processing, save the design of special process equipment and make.
Goal of the invention of the present invention realizes by technical scheme once: through-flow type guide blade body mating surface working process parameter calculating method, and it may further comprise the steps:
(1) diffuser is divided section A-A perpendicular to stator center of rotation axis, stator center of rotation distance R e, the Rs of afterbody meshing point to the end on the cross section, cross section the higher authorities' afterbody meshing point is to distance H e, the Hs of datum line, and the distance A s of the centre of sphere and the distance H that datum line is arrived in the cross section are arrived in the cross section, these parameters can provide in diffuser process engineering figure, so need not find the solution.
(2) calculate included angle A 1, A2, A3, the A4 that cross section head meshing point At and afterbody meshing point Aw with respect to the horizontal plane reach the centre of sphere.The computing method of A1, A2, A3, A4 are:
A1＝arcsin((H-He)/Re)；
A2＝arcsin((H-Hs)/Rs)；
A3＝arctg(Re/As)；
A4＝arctg(Rs/As)。
(3) calculate stator portion's action line three-dimensional coordinate parameter on the big small end sphere of diffuser end to end, so that the built-up welding of diffuser Sealing Surface, thick finishing or line.Three-dimensional coordinate CALCULATION OF PARAMETERS method is specified coordinate point N, and SN is the distance that N arrives true origin S, and then the N coordinate parameters of ordering is:
X＝SN*sinA4cosA2；
Y＝-SN*sinA4sinA2；
Z＝SN*cosA4。
(4) calculate stator portion's action line place field of conjugate action machining angle end to end, so that adopt the processing of conventional lathe and conventional method for milling to space plane.Machining angle comprises the angle α ' and the planing tool rotational angle β ' of planing tool traverse feed direction and surface level, and the computing method of α ' and β ' are:
α′＝arctg(tg(α-A1)/cosA3)；
β′＝arctg(tg(β+A2)/cosA3)。
The invention has the advantages that:
(1) according to water distributor workpiece principle and stator process engineering figure, portion's meshing point and the field of conjugate action are analyzed, calculate, compare, are judged end to end to the diffuser cross section, actual conditions in conjunction with processing and manufacturing, portion's meshing point institute match space curved surface is handled as space plane end to end, for the theoretical foundation that science is provided is worked out and manufactured to processing technology.
(2) according to water distributor wiring layout and stator process engineering figure, setting up with centre of sphere S point is the three-dimensional system of coordinate of true origin, calculates the stator three-dimensional coordinate of portion's action line on big small end sphere end to end, for thick finishing provides the centering benchmark of ruling easily.
(3) according to working process parameter, in conjunction with process equipment, α, β angle in the engineering drawing are converted into planing tool feeding angle in the actual processing, thereby have realized adopting conventional lathe and conventional method for milling, saved design and manufacturing that a large amount of special processes are equipped the processing of space plane.
Description of drawings
Fig. 1 stator Parameter Map
Fig. 2 A-A cross section calculating chart
Fig. 2 a is portion's meshing point included angle A 1, A2 calculating chart with respect to the horizontal plane end to end
Fig. 2 b is portion's meshing point included angle A 3, A4 calculating chart of ordering with respect to centre of sphere S end to end
Fig. 3 meshing point coordinate Calculation figure
Fig. 4 field of conjugate action angle gauge nomogram
Embodiment
As Fig. 1, diffuser is divided section A-A perpendicular to stator center of rotation axis, stator center of rotation distance R e, the Rs of afterbody meshing point to the end on the cross section, cross section the higher authorities' afterbody meshing point is to distance H e, the Hs of datum line, and the cross section to the distance A s of the centre of sphere and cross section to the distance H of datum line.
As Fig. 2, calculate included angle A 1, A2, A3, A4 that cross section head meshing point At and afterbody meshing point Aw with respect to the horizontal plane reach the centre of sphere.Wherein, the computing method of A1, A2, A3, A4 are:
A1＝arcsin((H-He)/Re)；
A2＝arcsin((H-Hs)/Rs)；
A3＝arctg(Re/As)；
A4＝arctg(Rs/As)。
As Fig. 3, calculate stator portion's action line three-dimensional coordinate parameter on the big small end sphere of diffuser end to end, three-dimensional coordinate CALCULATION OF PARAMETERS method is:
X＝SN*sinA4cosA2；
Y＝-SN*sinA4sinA2；
Z＝SN*cosA4。
As Fig. 4, calculate leaf portion's action line place field of conjugate action machining angle end to end, machining angle comprises the angle α ' and the planing tool rotational angle β ' of planing tool traverse feed direction and surface level, the computing method of α ' and β ' are:
α′＝arctg(tg(α-A1)/cosA3)；
β′＝arctg(tg(β+A2)/cosA3)。
Claims (4)
1, through-flow type guide blade body mating surface working process parameter calculating method is characterized in that it may further comprise the steps:
(1) diffuser is divided section A-A perpendicular to stator center of rotation axis, stator center of rotation distance R e, the Rs of afterbody meshing point to the end on the cross section, cross section the higher authorities' afterbody meshing point is to distance H e, the Hs of datum line, and the distance A s of the centre of sphere and the distance H that datum line is arrived in the cross section are arrived in the cross section;
(2) calculate included angle A 1, A2, A3, the A4 that cross section head meshing point At and afterbody meshing point Aw with respect to the horizontal plane reach the centre of sphere;
(3) calculate stator portion's action line three-dimensional coordinate parameter on the big small end sphere of diffuser end to end, so that the built-up welding of diffuser Sealing Surface, thick finishing or line;
(4) calculate stator portion's action line place field of conjugate action machining angle end to end, so that adopt the processing of conventional lathe and conventional method for milling to space plane.
2, through-flow type guide blade body mating surface working process parameter calculating method according to claim 1 is characterized in that the computing method of described A1, A2, A3, A4 are:
A1＝arcsin((H-He)/Re)；
A2＝arcsin((H-Hs)/Rs)；
A3＝arctg(Re/As)；
A4＝arctg(Rs/As)。
3, through-flow type guide blade body mating surface working process parameter calculating method according to claim 1 is characterized in that specified coordinate point N, and SN is the distance that N arrives true origin S, and then described three-dimensional coordinate CALCULATION OF PARAMETERS method is:
X＝SN*sinA4cosA2；
Y＝-SN*sinA4sinA2；
Z＝SN*cosA4。
4, through-flow type guide blade body mating surface working process parameter calculating method according to claim 1, it is characterized in that machining angle comprises the angle α ' and the planing tool rotational angle β ' of planing tool traverse feed direction and surface level, the computing method of α ' and β ' are:
α′＝arctg(tg(α-A1)/cosA3)；
β′＝arctg(tg(β+A2)/cosA3)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100214025A CN1888991A (en) | 2006-07-17 | 2006-07-17 | Through-flow type guide blade body mating surface working process parameter calculating method |
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| CNA2006100214025A CN1888991A (en) | 2006-07-17 | 2006-07-17 | Through-flow type guide blade body mating surface working process parameter calculating method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182622A (en) * | 2011-04-07 | 2011-09-14 | 清华大学 | Six-operating-condition bidirectional tide power generation water turbine |
| CN104374318A (en) * | 2014-11-13 | 2015-02-25 | 天津天汽模飞悦航空装备技术有限公司 | Method for measuring surface of large mold through laser scanner |
| CN107503874A (en) * | 2017-08-22 | 2017-12-22 | 中国电建集团成都勘测设计研究院有限公司 | Tubular turbine Parameter Calculation method |
-
2006
- 2006-07-17 CN CNA2006100214025A patent/CN1888991A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182622A (en) * | 2011-04-07 | 2011-09-14 | 清华大学 | Six-operating-condition bidirectional tide power generation water turbine |
| CN102182622B (en) * | 2011-04-07 | 2013-05-22 | 清华大学 | Six-operating-condition bidirectional tide power generation water turbine |
| CN104374318A (en) * | 2014-11-13 | 2015-02-25 | 天津天汽模飞悦航空装备技术有限公司 | Method for measuring surface of large mold through laser scanner |
| CN107503874A (en) * | 2017-08-22 | 2017-12-22 | 中国电建集团成都勘测设计研究院有限公司 | Tubular turbine Parameter Calculation method |
| CN107503874B (en) * | 2017-08-22 | 2019-02-15 | 中国电建集团成都勘测设计研究院有限公司 | Tubular turbine Parameter Calculation method |
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Open date: 20070103 |