CN103056599B - The preparation method of the shaping loose piece of a kind of precision many continuous castings blade wax mould blade - Google Patents
The preparation method of the shaping loose piece of a kind of precision many continuous castings blade wax mould blade Download PDFInfo
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- CN103056599B CN103056599B CN201110324835.9A CN201110324835A CN103056599B CN 103056599 B CN103056599 B CN 103056599B CN 201110324835 A CN201110324835 A CN 201110324835A CN 103056599 B CN103056599 B CN 103056599B
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Abstract
The preparation method of the shaping loose piece of a kind of precision many continuous castings blade wax mould blade, lower 40Cr bar, milling four directions, plain grinding grinds six, then with loose piece basal plane for benchmark, bore pin-and-hole and screw bottom hole, the faying face of each blade profile loose piece is processed by each loose piece basal plane centering with ordinary lines cutting or three-dimensional numerical control mill again, each loose piece is assembled on plate, by bore hole capturing position, the faying face three coordinate numerical control milling machine that upper loose piece coordinates with lower loose piece is processed, the faying face Milling Machining that lower loose piece is coordinated; Lower loose piece is assembled on plate, locate with bore hole, upper loose piece and lower loose piece are assembled up by connecting plate, mill out the profile that connecting plate is not interfered, being removed by connecting plate and be assembled to opposite side, mill out another side, is that benchmark three-dimensional detects blade profile with fixture, Linear cut removes the elongated portion of first half blade profile loose piece, by fixture centering.Advantage of the present invention: reduce machining deformation, improves component accuracy, saves manpower, raises the efficiency.
Description
Technical field
The present invention relates to blade wax mould blade shaping loose piece manufacture craft field, specifically provide the preparation method of the shaping loose piece of a kind of precision many continuous castings blade wax mould blade.
Background technology
Many continuous castings blade wax mould is a kind of mould that in blade wax mould, structure is very complicated, processing method is in the past the method for assembling after adopting single-piece work, each blade profile loose piece processes separately whole type, weak point is, due to mismachining tolerance, add part thin and produce distortion, and loose piece adds man-hour each loose piece and there is the situation of distortion, the inconsistent phenomenon of profile will be there is due to accumulated error in each loose piece when assembling, if pincers worker is manual revise the profile precision that certainly will affect part, error between multiple loose piece superposes mutually and causes forming errors about 0.1 to 0.2, larger profile deviation will be there is after many groups loose piece recombinant, thus affect the total quality of mould, and the surface contour error formed after multiple blade profile loose piece combination cannot detect.
Summary of the invention
The object of the invention is the machining deformation in order to reduce blade profile loose piece, improve the overall processing precision of blade profile loose piece, improve the working (machining) efficiency of blade profile loose piece, the entirety realized after the combination of blade profile loose piece is surveyed, and spy provides the preparation method of the shaping loose piece of a kind of precision many continuous castings blade wax mould blade.
The invention provides the preparation method of the shaping loose piece of a kind of precision many continuous castings blade wax mould blade, it is characterized in that: the preparation method of the described shaping loose piece of precision many continuous castings blade wax mould blade is specially, lower 40Cr bar, ordinary vertical milling machine milling four directions, six are ground with common plain grinding, ensure six parallel, perpendicularity is in 0.01, then with loose piece basal plane for benchmark, bore pin-and-hole and screw bottom hole, the faying face of each blade profile loose piece is processed by each loose piece basal plane centering with ordinary lines cutting or three-dimensional numerical control mill again, according to shape and the concrete equipment of concrete working condition selection employing of loose piece faying face, all the other all shaping profiles wouldn't be processed, each loose piece is assembled on plate, by bore hole capturing position, faying face requires closely sealed, press stretching for plate basal plane centering, the faying face three coordinate numerical control milling machine that upper loose piece coordinates with lower loose piece is processed, pressing loose piece basal plane is that benchmark bores pin-and-hole and screw bottom hole, for plate allocation, pressing loose piece basal plane is that the faying face three-dimensional NC Milling that lower loose piece coordinates by benchmark goes out,
Lower loose piece is assembled on plate, locate with bore hole, upper loose piece and lower loose piece are assembled up by connecting plate, locate with bore hole, take fixture as benchmark, famine is divided by three centering High Speed Milling Operation CNC milling machines, essence two steps mill out the profile that connecting plate is not interfered, connecting plate is removed and is assembled to opposite side, locate with bore hole, famine is divided by fixture datum centering High Speed Milling Operation CNC milling machine, essence two steps mill out another side, be that benchmark three-dimensional detects blade profile with fixture, press stretching for plate benchmark centering, Linear cut removes the elongated portion of first half blade profile loose piece, by fixture centering.
During described waste milling, the speed of mainshaft: 3000 revs/min, feeding: 1500 millis m/min, tool path pattern: wait high stratification, each 0.3 millimeter-0.5 millimeter of Z value, cutter: diameter 10 millimeters of end cuttves.
Described finish-milling parameter, mild face is: the speed of mainshaft: 3000 revs/min, feeding: 1500 millis m/min, tool path pattern: Surface contour milling, each 0.3 millimeter-0.5 millimeter of Z value, cutter: R5-R8 ball cutter.
Described finish-milling parameter, narrow and small is: the speed of mainshaft: 10000-12000 rev/min, feeding: 1500 millis m/min, tool path pattern: Surface contour milling, each 0.05 millimeter-0.1 millimeter of Z value, cutter: R0.5-R1 ball cutter.
Described linear cutter parameter is, electric current is 12 amperes, and wire travelling speed is 8-10 meter per second, and cutting speed is greater than 20 square millimeters/point.
Advantage of the present invention:
The preparation method of the shaping loose piece of precision many continuous castings blade wax mould blade of the present invention, due to the mutual dependence of each loose piece, improve the rigidity that it adds man-hour, reduce machining deformation, the overall profile that the single-piece work accumulation of error can be avoided to bring is overproof, improve component accuracy, after profile completion of processing, three-dimensional detection can be carried out by fixture datum, ensure the complete qualified rear removal slave part of profile, the precision often organizing blade profile loose piece can be ensured, improve working (machining) efficiency, the raising of component accuracy reduces the difficulty of fitter assembly, saves manpower, raises the efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the present invention is further detailed explanation:
Fig. 1 is that upper and lower blade profile loose piece is combined into one group of overall blade profile loose piece structural representation;
Fig. 2 processes each loose piece of the later the first half of faying face;
Fig. 3 is that each loose piece of the first half is assembled to structural representation on plate;
Fig. 4 is that upper loose piece assembly and lower loose piece assembly are by connecting plate assembly structure schematic diagram;
Fig. 5 assembles schematic diagram for being assembled on fixture plane and two sides in milling;
Fig. 6 is the another side assembling schematic diagram of milling blade profile loose piece assembly;
Fig. 7 is the elongated portion schematic diagram removing first half blade profile loose piece;
In figure, 1 is upper loose piece, and 2 is lower loose piece, and 3 is plate, and 4 is connecting plate.
Detailed description of the invention
Embodiment 1
Present embodiments provide the preparation method of the shaping loose piece of a kind of precision many continuous castings blade wax mould blade, it is characterized in that: the preparation method of the described shaping loose piece of precision many continuous castings blade wax mould blade is specially, lower 40Cr bar, ordinary vertical milling machine milling four directions, six are ground with common plain grinding, ensure six parallel, perpendicularity is in 0.01, then with loose piece basal plane for benchmark, bore pin-and-hole and screw bottom hole, the faying face of each blade profile loose piece is processed by each loose piece basal plane centering with ordinary lines cutting or three-dimensional numerical control mill again, according to shape and the concrete equipment of concrete working condition selection employing of loose piece faying face, all the other all shaping profiles wouldn't be processed, each loose piece is assembled on plate, by bore hole capturing position, faying face requires closely sealed, press stretching for plate basal plane centering, the faying face three coordinate numerical control milling machine that upper loose piece coordinates with lower loose piece is processed, pressing loose piece basal plane is that benchmark bores pin-and-hole and screw bottom hole, for plate allocation, pressing loose piece basal plane is that the faying face three-dimensional NC Milling that lower loose piece coordinates by benchmark goes out,
Lower loose piece is assembled on plate, locate with bore hole, upper loose piece and lower loose piece are assembled up by connecting plate, locate with bore hole, take fixture as benchmark, famine is divided by three centering High Speed Milling Operation CNC milling machines, essence two steps mill out the profile that connecting plate is not interfered, connecting plate is removed and is assembled to opposite side, locate with bore hole, famine is divided by fixture datum centering High Speed Milling Operation CNC milling machine, essence two steps mill out another side, be that benchmark three-dimensional detects blade profile with fixture, press stretching for plate benchmark centering, Linear cut removes the elongated portion of first half blade profile loose piece, by fixture centering.
During described waste milling, the speed of mainshaft: 3000 revs/min, feeding: 1500 millis m/min, tool path pattern: wait high stratification, each 0.3 millimeter of Z value, cutter: diameter 10 millimeters of end cuttves.
Described finish-milling parameter, mild face is: the speed of mainshaft: 3000 revs/min, feeding: 1500 millis m/min, tool path pattern: Surface contour milling, each 0.3 millimeter of Z value, cutter: R5-R8 ball cutter.
Described finish-milling parameter, narrow and small is: the speed of mainshaft: 10000 revs/min, feeding: 1500 millis m/min, tool path pattern: Surface contour milling, each 0.05 millimeter of Z value, cutter: R0.5-R1 ball cutter.
Described linear cutter parameter is, electric current is 12 amperes, and wire travelling speed is 8 meter per seconds, and cutting speed is greater than 20 square millimeters/point.
Embodiment 2
Present embodiments provide the preparation method of the shaping loose piece of a kind of precision many continuous castings blade wax mould blade, it is characterized in that: the preparation method of the described shaping loose piece of precision many continuous castings blade wax mould blade is specially, lower 40Cr bar, ordinary vertical milling machine milling four directions, six are ground with common plain grinding, ensure six parallel, perpendicularity is in 0.01, then with loose piece basal plane for benchmark, bore pin-and-hole and screw bottom hole, the faying face of each blade profile loose piece is processed by each loose piece basal plane centering with ordinary lines cutting or three-dimensional numerical control mill again, according to shape and the concrete equipment of concrete working condition selection employing of loose piece faying face, all the other all shaping profiles wouldn't be processed, each loose piece is assembled on plate, by bore hole capturing position, faying face requires closely sealed, press stretching for plate basal plane centering, the faying face three coordinate numerical control milling machine that upper loose piece coordinates with lower loose piece is processed, pressing loose piece basal plane is that benchmark bores pin-and-hole and screw bottom hole, for plate allocation, pressing loose piece basal plane is that the faying face three-dimensional NC Milling that lower loose piece coordinates by benchmark goes out,
Lower loose piece is assembled on plate, locate with bore hole, upper loose piece and lower loose piece are assembled up by connecting plate, locate with bore hole, take fixture as benchmark, famine is divided by three centering High Speed Milling Operation CNC milling machines, essence two steps mill out the profile that connecting plate is not interfered, connecting plate is removed and is assembled to opposite side, locate with bore hole, famine is divided by fixture datum centering High Speed Milling Operation CNC milling machine, essence two steps mill out another side, be that benchmark three-dimensional detects blade profile with fixture, press stretching for plate benchmark centering, Linear cut removes the elongated portion of first half blade profile loose piece, by fixture centering.
During described waste milling, the speed of mainshaft: 3000 revs/min, feeding: 1500 millis m/min, tool path pattern: wait high stratification, each 0.5 millimeter of Z value, cutter: diameter 10 millimeters of end cuttves.
Described finish-milling parameter, mild face is: the speed of mainshaft: 3000 revs/min, feeding: 1500 millis m/min, tool path pattern: Surface contour milling, each 0.5 millimeter of Z value, cutter: R5-R8 ball cutter.
Described finish-milling parameter, narrow and small is: the speed of mainshaft: 10000-12000 rev/min, feeding: 1500 millis m/min, tool path pattern: Surface contour milling, each 0.1 millimeter of Z value, cutter: R0.5-R1 ball cutter.
Described linear cutter parameter is, electric current is 12 amperes, and wire travelling speed is 10 meter per seconds, and cutting speed is greater than 20 square millimeters/point.
Claims (5)
1. the preparation method of the shaping loose piece of precision many continuous castings blade wax mould blade, it is characterized in that: the preparation method of the described shaping loose piece of precision many continuous castings blade wax mould blade is specially, lower 40Cr bar, ordinary vertical milling machine milling four directions, six are ground with common plain grinding, ensure between apparent surface parallel, perpendicularity is in 0.01 millimeter, then with loose piece basal plane for benchmark, bore pin-and-hole and screw bottom hole, the faying face of each blade profile loose piece is processed by each loose piece basal plane centering with ordinary lines cutting or three-dimensional numerical control mill again, all the other all shaping profiles wouldn't be processed, upper loose piece is assembled on plate, by pin-and-hole capturing position, faying face requires closely sealed, press stretching for plate basal plane centering, the faying face three coordinate numerical control milling machine that upper loose piece coordinates with lower loose piece is processed, pressing loose piece basal plane is that benchmark bores pin-and-hole and screw bottom hole, for plate allocation, pressing loose piece basal plane is that the faying face three-dimensional NC Milling that lower loose piece coordinates by benchmark goes out,
Lower loose piece is assembled to lower on plate, locate with pin-and-hole, upper loose piece and lower loose piece are assembled up by connecting plate, locate with pin-and-hole, take fixture as benchmark, famine is divided by three centering High Speed Milling Operation CNC milling machines, essence two steps mill out the profile that connecting plate is not interfered, connecting plate is removed and is assembled to opposite side, locate with pin-and-hole, famine is divided by fixture datum centering High Speed Milling Operation CNC milling machine, essence two steps mill out another side, be that benchmark three-dimensional detects blade profile with fixture, press stretching for plate benchmark centering, Linear cut removes the elongated portion of first half blade profile loose piece, by fixture centering.
2. according to the preparation method of the shaping loose piece of precision many continuous castings blade wax mould blade according to claim 1, it is characterized in that: during described waste milling, the speed of mainshaft: 3000 revs/min, feeding: 1500 millis m/min, tool path pattern: wait high stratification, each 0.3 millimeter-0.5 millimeter of Z value, cutter: diameter 10 millimeters of end cuttves.
3. according to the preparation method of the shaping loose piece of precision many continuous castings blade wax mould blade according to claim 1, it is characterized in that: described finish-milling parameter, mild face is: the speed of mainshaft: 3000 revs/min, feeding: 1500 millis m/min, tool path pattern: Surface contour milling, each 0.3 millimeter-0.5 millimeter of Z value, cutter: R5-R8 ball cutter.
4. according to the preparation method of the shaping loose piece of precision many continuous castings blade wax mould blade according to claim 1, it is characterized in that: described finish-milling parameter, narrow and small is: the speed of mainshaft: 10000-12000 rev/min, feeding: 1500 millis m/min, tool path pattern: Surface contour milling, each 0.05 millimeter-0.1 millimeter of Z value, cutter: R0.5-R1 ball cutter.
5. according to the preparation method of the shaping loose piece of precision many continuous castings blade wax mould blade according to claim 1, it is characterized in that: described linear cutter parameter is, electric current is 12 amperes, and wire travelling speed is 8-10 meter per second, and cutting speed is greater than 20 square millimeters/point.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110324835.9A CN103056599B (en) | 2011-10-24 | 2011-10-24 | The preparation method of the shaping loose piece of a kind of precision many continuous castings blade wax mould blade |
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| CN201110324835.9A CN103056599B (en) | 2011-10-24 | 2011-10-24 | The preparation method of the shaping loose piece of a kind of precision many continuous castings blade wax mould blade |
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| CN103056599A CN103056599A (en) | 2013-04-24 |
| CN103056599B true CN103056599B (en) | 2015-10-28 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103753124B (en) * | 2013-12-19 | 2016-06-29 | 湖北三江航天红阳机电有限公司 | Massive casting titanium alloy diamond cabin piece housing processing method |
| CN104588979A (en) * | 2014-11-25 | 2015-05-06 | 吴中区长桥诚惠机械加工厂 | Locking block machining process |
| CN106514170B (en) * | 2016-11-29 | 2018-07-03 | 沈阳黎明航空发动机(集团)有限责任公司 | The preparation method of core print loose piece is combined in a kind of blade wax mould die mould |
| CN111761024B (en) * | 2020-06-30 | 2021-08-06 | 中国航发南方工业有限公司 | Movable block for part wax mold forming, mold and part wax mold forming method |
| CN113547289A (en) * | 2021-08-10 | 2021-10-26 | 中国航发沈阳黎明航空发动机有限责任公司 | Manufacturing method of outer ring split block assembly |
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| US4244222A (en) * | 1979-02-01 | 1981-01-13 | General Electric Company | Instrumentation probe |
| US4384607A (en) * | 1977-07-22 | 1983-05-24 | Rolls-Royce Limited | Method of manufacturing a blade or vane for a gas turbine engine |
| CN1089196A (en) * | 1992-03-21 | 1994-07-13 | 中国科学院长春光学精密机械研究所 | Integral precision casting process method for high-speed fan impeller |
| CN1775420A (en) * | 2005-12-13 | 2006-05-24 | 遵义拓特铸锻有限公司 | Vacuum pump impeller integral casting process |
| DE102005013464B3 (en) * | 2005-03-21 | 2006-08-24 | Voith Turbo Gmbh & Co. Kg | Fan wheel with outlet openings in the vanes, for pumps/turbines, has holes formed during casting to be finished by a long flexible drill to the required dimensions and alignments |
| CN102099135A (en) * | 2008-07-16 | 2011-06-15 | 斯奈克玛 | Method of manufacturing a blading component |
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2011
- 2011-10-24 CN CN201110324835.9A patent/CN103056599B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4384607A (en) * | 1977-07-22 | 1983-05-24 | Rolls-Royce Limited | Method of manufacturing a blade or vane for a gas turbine engine |
| US4244222A (en) * | 1979-02-01 | 1981-01-13 | General Electric Company | Instrumentation probe |
| CN1089196A (en) * | 1992-03-21 | 1994-07-13 | 中国科学院长春光学精密机械研究所 | Integral precision casting process method for high-speed fan impeller |
| DE102005013464B3 (en) * | 2005-03-21 | 2006-08-24 | Voith Turbo Gmbh & Co. Kg | Fan wheel with outlet openings in the vanes, for pumps/turbines, has holes formed during casting to be finished by a long flexible drill to the required dimensions and alignments |
| CN1775420A (en) * | 2005-12-13 | 2006-05-24 | 遵义拓特铸锻有限公司 | Vacuum pump impeller integral casting process |
| CN102099135A (en) * | 2008-07-16 | 2011-06-15 | 斯奈克玛 | Method of manufacturing a blading component |
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