CN113020677A - Method for processing longitudinal leaf root steam passage of steam turbine - Google Patents
Method for processing longitudinal leaf root steam passage of steam turbine Download PDFInfo
- Publication number
- CN113020677A CN113020677A CN202110301816.8A CN202110301816A CN113020677A CN 113020677 A CN113020677 A CN 113020677A CN 202110301816 A CN202110301816 A CN 202110301816A CN 113020677 A CN113020677 A CN 113020677A
- Authority
- CN
- China
- Prior art keywords
- milling
- blade
- processing
- semi
- steam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- 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
- B23C3/16—Working surfaces curved in two directions
- B23C3/18—Working surfaces curved in two directions for shaping screw-propellers, turbine blades, or impellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2220/00—Details of milling processes
- B23C2220/60—Roughing
- B23C2220/605—Roughing and finishing
Abstract
The invention relates to a method for processing a steam turbine longitudinal leaf root steam passage, which belongs to the field of steam turbine blade processing and aims to solve the problems that the prior process of the steam turbine blade has poor blade consistency, cannot meet technical requirements and wastes time and labor in processing when the steam turbine longitudinal tree-shaped blade is processed, the method for processing the steam turbine longitudinal leaf root steam passage provided by the invention carries out integral rough milling and semi-finish milling on a middle body part and a blade crown part of the blade on the basis of ensuring that an inner radial surface of a steam outlet side of the blade is parallel to an X axis of a working platform, then carries out uniform finish milling, finally carries out uniform rough finish machining on a fillet and linearity of the blade root, and selects symmetrical processing in the whole process processing course, the processing mode is favorable for ensuring the blade consistency, reducing the linear influence of cutting force on a workpiece in processing and is convenient for achieving the technical requirements, and the processing mode changes the process, the processing procedure is optimized, time and labor are saved compared with the traditional processing mode, and the production efficiency and the product quality are improved.
Description
Technical Field
The invention belongs to the field of turbine blade processing, and particularly relates to a method for processing a longitudinal leaf root steam passage of a turbine.
Background
The blade of the turbonator, especially the middle-long thin-wall blade, selects the mode of sequence rough machining and finish machining in the machining process, and needs to be repeatedly clamped and milled, the difficulty lies in how to control the deformation of the blade, because the length and the thickness of the wall of the blade are influenced by the factors of the feed amount, the feed speed, the internal and external stresses of the blade and the like in the processing process, the deformation of the blade is larger, the produced long thin-wall blade has unqualified size, the product quality does not meet the preset requirement, if the deformed blade is corrected to the preset requirement, the required procedures are extremely complex, the consumed energy is more, the labor and the time are wasted, in order to solve the problems that the consistency of the blades is poor, the technical requirements cannot be met and the processing is time-consuming and labor-consuming when the turbine longitudinal tree-shaped blades are processed by the original process of the turbine blades, the method for processing the turbine longitudinal tree leaves and the steam passages is developed and is very suitable for actual needs.
Disclosure of Invention
The invention provides a method for processing a longitudinal tree root steam passage of a steam turbine, aiming at solving the problems that the consistency of a blade is poor, the technical requirement cannot be met and the processing is time-consuming and labor-consuming when the longitudinal tree type blade of the steam turbine is processed by the original process of the steam turbine blade;
a method for processing a longitudinal leaf root steam passage of a steam turbine is realized by the following steps;
the method comprises the following steps: selecting mutually matched tooth-shaped blocks according to the tooth shape of the blade root of the blade blank, and clamping the root of the blade blank on a workbench of a five-axis machining center line through the tooth-shaped blocks;
step two: adjusting the positioning bolt to enable the inner radial surface of the steam outlet side of the clamped blade to be parallel to the X axis of the working platform;
step three: the upper bolt is pressed tightly, so that the tooth-shaped block and the tooth profile of the blade root of the blade blank are arranged without a gap, and the blade is ensured to be positioned at the center of the clamp;
step four: selecting a numerical control milling cutter, and arranging eight milling cutters, namely D40R6, D16R2, D40R3, D16R4, D20R3, D16R8, D12R6 and D20R10, at specified positions of a tool magazine;
step five: using a cutter D40R6, roughly milling and semi-finely milling the inner radial direction of the intermediate body, roughly milling and semi-finely milling the back radial direction of the intermediate body, roughly milling and semi-finely milling the steam inlet side of the intermediate body, roughly milling and semi-finely milling the inner radial direction of the intermediate body, roughly milling and semi-finely milling the back radial direction of the intermediate body, roughly milling and semi-finely milling the steam inlet side of the blade crown, roughly milling and semi-finely milling the steam outlet side of the blade crown, roughly milling and semi-finely milling the inner back arc molded line of the steam path;
step six: roughly milling and semi-finely milling a radial inclined plane in the intermediate body, roughly milling and semi-finely milling an inner diameter downward inclined plane of the intermediate body, roughly milling and semi-finely milling an intermediate back radial inclined plane, roughly milling and semi-finely milling an inner radial inclined plane of the blade shroud, and roughly milling and semi-finely milling a blade shroud back radial inclined plane by using a cutter D20R 3;
step seven: finish milling the inner radial direction of the intermediate body, the back radial direction of the intermediate body, the steam inlet side of the intermediate body, the steam outlet side of the intermediate body, the inner radial direction of the blade shroud, the back radial direction of the blade shroud, the steam inlet side of the blade shroud and the steam outlet side of the blade shroud by using a cutter D40R 3;
step eight: finish milling a radial inclined plane in the intermediate body, a radial downward inclined plane in the intermediate body, a back radial inclined plane of the intermediate body, an inner radial inclined plane of the blade shroud and a back radial inclined plane of the blade shroud by using a cutter D16R 2;
step nine: roughly milling a root fillet and a conical surface and roughly milling a tip shroud fillet and a conical surface by using a cutter D20R 10;
step ten: using a cutter D16R8 to semi-finish mill blade root fillets and conical surfaces and semi-finish mill blade shroud fillets and conical surfaces;
step eleven: finish milling blade root fillets and conical surfaces and tip shroud fillets and conical surfaces by using a cutter D12R 6;
step twelve: finish milling a steam passage profile by using a cutter D16R 4;
further, in the fifth step, the machining parameters of all the rough milling and semi-finish milling procedures are as follows: the rotating speed S of the main shaft is 2000r/min, the feeding speed F is 2900mm/min, the cutting depth is 1mm, and the machining allowance is 0.2 mm;
further, in the sixth step, the machining parameters of all the rough milling and semi-finish milling procedures are as follows: the rotating speed S of the main shaft is 3100r/min, the feeding speed F is 1500mm/min, the cutting depth is 0.5mm, and the machining allowance is 0.2 mm;
further, the machining parameters of all the finish milling procedures in the seventh step are as follows: the rotating speed S of the main shaft is 1700r/min, the feeding speed F is 300mm/min, the cutting depth is 0.2mm, and the machining allowance is 0 mm;
further, in the step eight, the machining parameters of all the finish milling procedures are as follows: the rotating speed S of the main shaft is 3500r/min, the feeding speed F is 300mm/min, the cutting depth is 0.2mm, and the machining allowance is 0 mm;
further, in the ninth step, all the machining parameters of the rough milling procedure are as follows: the rotating speed S of the main shaft is 6100r/min, the feeding speed F is 2000mm/min, the cutting depth is 0.8mm, and the machining allowance is 1.8 mm;
further, in the step ten, the machining parameters of all the semi-finish milling procedures are as follows: the rotating speed S of the main shaft is 6100r/min, the feeding speed F is 2000mm/min, the cutting depth is 0.6mm, and the machining allowance is 0.2 mm;
further, in the eleventh step, all the machining parameters of the finish milling process are as follows: the rotating speed S of the main shaft is 6100r/min, the feeding speed F is 2000mm/min, the cutting depth is 0.2mm, and the machining allowance is 0 mm;
further, the processing parameters of the step of finish milling the steam passage profile in the second step are all as follows: the main shaft rotating speed S is 5100r/min, the feeding speed F is 2000mm/min, the cutting depth is 0.2mm, and the machining allowance is 0 mm.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a method for processing a steam turbine longitudinal leaf root steam passage, which breaks through the traditional processing idea that the traditional processing idea is changed from partial processing into full-sequence processing of a blade, and utilizes a five-axis processing center to carry out block processing on the blade, on the basis of ensuring that the inner radial surface of the steam outlet side of the blade is parallel to the X axis of a working platform, the integral rough milling and semi-finish milling are carried out on the middle body part and the blade crown part of the blade, then the uniform finish milling is carried out, finally, the uniform rough finish machining is carried out on the fillet and the linearity of the blade root, and the symmetrical processing is selected in the whole process processing procedure, such as the inner radial direction, the back radial direction, the steam inlet side, the steam outlet side and the like, the processing mode is favorable for ensuring the consistency of the blade, reducing the linear influence of cutting force on a workpiece during processing, and is convenient for reaching the technical requirements of processing, the processing mode changes the process, optimizes the processing program, is more, the production efficiency and the product quality are improved.
Drawings
FIG. 1 is a schematic view of a blade clamp according to the present invention;
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1, and provides a method for processing a longitudinal leaf root steam passage of a steam turbine, which is realized by the following steps:
the method comprises the following steps: selecting mutually matched tooth-shaped blocks according to the tooth shape of the blade root of the blade blank, and clamping the blade root of the blade blank on a workbench of a five-axis machining center through the tooth-shaped blocks;
step two: adjusting the positioning bolt to enable the inner radial surface of the steam outlet side of the clamped blade to be parallel to the X axis of the working platform;
step three: the upper bolt is pressed tightly, so that the tooth-shaped block and the tooth profile of the blade root of the blade blank are arranged without a gap, and the blade is ensured to be positioned at the center of the clamp;
step four: selecting a numerical control milling cutter, and arranging eight milling cutters, namely D40R6, D16R2, D40R3, D16R4, D20R3, D16R8, D12R6 and D20R10, at specified positions of a tool magazine;
step five: using a cutter D40R6, roughly milling and semi-finely milling the inner radial direction of the intermediate body, roughly milling and semi-finely milling the back radial direction of the intermediate body, roughly milling and semi-finely milling the steam inlet side of the intermediate body, roughly milling and semi-finely milling the inner radial direction of the intermediate body, roughly milling and semi-finely milling the back radial direction of the intermediate body, roughly milling and semi-finely milling the steam inlet side of the blade crown, roughly milling and semi-finely milling the steam outlet side of the blade crown, roughly milling and semi-finely milling the inner back arc molded line of the steam path;
step six: roughly milling and semi-finely milling a radial inclined plane in the intermediate body, roughly milling and semi-finely milling an inner diameter downward inclined plane of the intermediate body, roughly milling and semi-finely milling an intermediate back radial inclined plane, roughly milling and semi-finely milling an inner radial inclined plane of the blade shroud, and roughly milling and semi-finely milling a blade shroud back radial inclined plane by using a cutter D20R 3;
step seven: finish milling the inner radial direction of the intermediate body, the back radial direction of the intermediate body, the steam inlet side of the intermediate body, the steam outlet side of the intermediate body, the inner radial direction of the blade shroud, the back radial direction of the blade shroud, the steam inlet side of the blade shroud and the steam outlet side of the blade shroud by using a cutter D40R 3;
step eight: finish milling a radial inclined plane in the intermediate body, a radial downward inclined plane in the intermediate body, a back radial inclined plane of the intermediate body, an inner radial inclined plane of the blade shroud and a back radial inclined plane of the blade shroud by using a cutter D16R 2;
step nine: roughly milling a root fillet and a conical surface and roughly milling a tip shroud fillet and a conical surface by using a cutter D20R 10;
step ten: using a cutter D16R8 to semi-finish mill blade root fillets and conical surfaces and semi-finish mill blade shroud fillets and conical surfaces;
step eleven: finish milling blade root fillets and conical surfaces and tip shroud fillets and conical surfaces by using a cutter D12R 6;
step twelve: the port profile was finish milled using tool D16R 4.
The embodiment provides a method for processing a steam turbine longitudinal leaf root steam passage, which breaks through the traditional processing idea that the traditional processing idea is changed from partial processing into full-sequence processing of a blade, a five-axis processing center is utilized to carry out block processing on the blade, on the basis of ensuring that the inner radial surface of the steam outlet side of the blade is parallel to the X axis of a working platform, the integral rough milling and semi-finish milling are carried out on the middle body part and the blade crown part of the blade, the uniform finish milling is carried out, finally, the uniform rough finish machining is carried out on the fillet and the linearity of the blade root, and the symmetrical processing is selected in the processing process of the full procedure, such as the inner radial direction, the back radial direction, the steam inlet side, the steam outlet side and the like, the processing mode is favorable for ensuring the consistency of the blade, reducing the linear influence of cutting force on a workpiece in processing, and is convenient for reaching the technical requirements of the processing, and the processing mode changes, compare in traditional processing mode labour saving and time saving more, improved production efficiency and product quality. .
The second embodiment is as follows: the present embodiment will be described with reference to fig. 1, which further defines the step five described in the first embodiment, and in the present embodiment, all the machining parameters of the rough milling and the semi-finish milling in the step five are: the spindle speed S is 2000r/min, the feed speed F is 2900mm/min, the cutting depth is 1mm, and the machining allowance is 0.2 mm. Other components and connection modes are the same as those of the first embodiment.
In the embodiment, the procedures with the same machining parameters are integrated into a unified procedure for machining, repeated clamping is avoided by utilizing the characteristics of the machine tool of the five-axis machining center, time and labor are saved, the machining time is saved, and the machining efficiency is improved.
The third concrete implementation mode: the present embodiment will be described with reference to fig. 1, which further defines the sixth step described in the second embodiment, and in the present embodiment, all the machining parameters of the rough milling and the semi-finish milling in the sixth step are: the spindle speed S is 3100r/min, the feed speed F is 1500mm/min, the cutting depth is 0.5mm, and the machining allowance is 0.2 mm. The other components and the connection mode are the same as those of the second embodiment.
In the embodiment, the areas of the inclined surfaces in the intermediate body and the blade crown are processed uniformly, the rotating speed is increased in consideration of the processing complexity of the inclined surfaces, the feeding speed is reduced, and the stability of a cutter in processing the inclined surfaces is ensured
The fourth concrete implementation mode: referring to fig. 1, this embodiment will be described, which further defines the tube step seven according to the third embodiment, and in this embodiment, all the machining parameters of the finish milling step in the step seven are: the main shaft rotation speed S is 1700r/min, the feeding speed F is 300mm/min, the cutting depth is 0.2mm, and the machining allowance is 0 mm. Other components and connection modes are the same as those of the third embodiment.
The fifth concrete implementation mode: the present embodiment will be described with reference to fig. 1, and the present embodiment further defines step eight described in embodiment four, and in the present embodiment, all the machining parameters of the finish milling step in step eight are: the main shaft rotating speed S is 3500r/min, the feeding speed F is 300mm/min, the cutting depth is 0.2mm, and the machining allowance is 0 mm. The other components and the connection mode are the same as those of the fourth embodiment.
The sixth specific implementation mode: referring to fig. 1, this embodiment is described, and further defines step nine of the fifth embodiment, and in this embodiment, all the machining parameters of the rough milling process in step nine are: the main shaft rotation speed S is 6100r/min, the feed speed F is 2000mm/min, the cutting depth is 0.8mm, and the machining allowance is 1.8 mm.
The other components and the connection mode are the same as the fifth embodiment mode.
The seventh embodiment: the present embodiment will be described with reference to fig. 1, which further defines step ten in the specific embodiment, and in the present embodiment, all the machining parameters of the half finish milling process in step ten are: the main shaft rotation speed S is 6100r/min, the feed speed F is 2000mm/min, the cutting depth is 0.6mm, and the machining allowance is 0.2 mm. Other components and connection modes are the same as those of the sixth embodiment.
The specific implementation mode is eight: the present embodiment is described with reference to fig. 1, and the present embodiment further defines step eleven, which is a specific embodiment, and in the present embodiment, all the machining parameters of the finish milling step in the step eleven are: the spindle speed S is 6100r/min, the feed speed F is 2000mm/min, the cutting depth is 0.2mm, and the machining allowance is 0 mm. The other components and the connection mode are the same as those of the seventh embodiment.
The specific implementation method nine: referring to fig. 1, this embodiment is described, and further defines step twelve in the specific embodiment, and in this embodiment, the machining parameters of the step twelve of finish milling the steam path profile are all as follows: the main shaft rotating speed S is 5100r/min, the feeding speed F is 2000mm/min, the cutting depth is 0.2mm, and the machining allowance is 0 mm. The other components and the connection mode are the same as those of the eighth embodiment.
The present invention is not limited to the above embodiments, and any person skilled in the art can make many modifications and equivalent variations by using the above-described structures and technical contents without departing from the scope of the present invention.
Claims (9)
1. The utility model provides a leaf root steam passage processing method is indulged to steam turbine which characterized in that: the method is realized by the following steps:
the method comprises the following steps: selecting mutually matched tooth-shaped blocks according to the tooth shape of the blade root of the blade blank, and clamping the root of the blade blank on a workbench of a five-axis machining center through the tooth-shaped blocks;
step two: adjusting the positioning bolt to enable the inner radial surface of the steam outlet side of the clamped blade to be parallel to the X axis of the working platform;
step three: the upper bolt is pressed tightly, so that the tooth-shaped block and the tooth profile of the blade root of the blade blank are arranged without a gap, and the blade blank is ensured to be arranged at the center of the clamp;
step four: selecting a numerical control milling cutter, and arranging eight milling cutters, namely D40R6, D16R2, D40R3, D16R4, D20R3, D16R8, D12R6 and D20R10, at specified positions of a tool magazine;
step five: using a cutter D40R6, roughly milling and semi-finely milling the inner radial direction of the intermediate body, roughly milling and semi-finely milling the back radial direction of the intermediate body, roughly milling and semi-finely milling the steam inlet side of the intermediate body, roughly milling and semi-finely milling the inner radial direction of the intermediate body, roughly milling and semi-finely milling the back radial direction of the intermediate body, roughly milling and semi-finely milling the steam inlet side of the blade crown, roughly milling and semi-finely milling the steam outlet side of the blade crown, roughly milling and semi-finely milling the inner back arc molded line of the steam path;
step six: roughly milling and semi-finely milling a radial inclined plane in the intermediate body, roughly milling and semi-finely milling an inner diameter downward inclined plane of the intermediate body, roughly milling and semi-finely milling an intermediate back radial inclined plane, roughly milling and semi-finely milling an inner radial inclined plane of the blade shroud, and roughly milling and semi-finely milling a blade shroud back radial inclined plane by using a cutter D20R 3;
step seven: finish milling the inner radial direction of the intermediate body, the back radial direction of the intermediate body, the steam inlet side of the intermediate body, the steam outlet side of the intermediate body, the inner radial direction of the blade shroud, the back radial direction of the blade shroud, the steam inlet side of the blade shroud and the steam outlet side of the blade shroud by using a cutter D40R 3;
step eight: finish milling a radial inclined plane in the intermediate body, a radial downward inclined plane in the intermediate body, a back radial inclined plane of the intermediate body, an inner radial inclined plane of the blade shroud and a back radial inclined plane of the blade shroud by using a cutter D16R 2;
step nine: roughly milling a root fillet and a conical surface and roughly milling a tip shroud fillet and a conical surface by using a cutter D20R 10;
step ten: using a cutter D16R8 to semi-finish mill blade root fillets and conical surfaces and semi-finish mill blade shroud fillets and conical surfaces;
step eleven: finish milling blade root fillets and conical surfaces and tip shroud fillets and conical surfaces by using a cutter D12R 6;
step twelve: the port profile was finish milled using tool D16R 4.
2. The method for processing the longitudinal leaves and roots of the steam turbine according to claim 1, wherein the method comprises the following steps: in the fifth step, the processing parameters of all the rough milling and semi-finish milling procedures are as follows: the spindle speed S is 2000r/min, the feed speed F is 2900mm/min, the cutting depth is 1mm, and the machining allowance is 0.2 mm.
3. The method for processing the longitudinal leaves and roots of the steam turbine according to claim 1, wherein the method comprises the following steps: processing parameters of all rough milling and semi-finish milling procedures in the sixth step are as follows: the spindle speed S is 3100r/min, the feed speed F is 1500mm/min, the cutting depth is 0.5mm, and the machining allowance is 0.2 mm.
4. The method for processing the longitudinal leaves and roots of the steam turbine according to claim 1, wherein the method comprises the following steps: and processing parameters of all finish milling procedures in the step seven are as follows: the main shaft rotation speed S is 1700r/min, the feeding speed F is 300mm/min, the cutting depth is 0.2mm, and the machining allowance is 0 mm.
5. The method for processing the longitudinal leaves and roots of the steam turbine according to claim 1, wherein the method comprises the following steps: and in the step eight, the machining parameters of all the finish milling procedures are as follows: the main shaft rotating speed S is 3500r/min, the feeding speed F is 300mm/min, the cutting depth is 0.2mm, and the machining allowance is 0 mm.
6. The method for processing the longitudinal leaves and roots of the steam turbine according to claim 1, wherein the method comprises the following steps: all the machining parameters of the rough milling procedure in the ninth step are as follows: the main shaft rotation speed S is 6100r/min, the feed speed F is 2000mm/min, the cutting depth is 0.8mm, and the machining allowance is 1.8 mm.
7. The method for processing the longitudinal leaves and roots of the steam turbine according to claim 1, wherein the method comprises the following steps: in the step ten, all the processing parameters of the semi-finish milling procedure are as follows: the main shaft rotation speed S is 6100r/min, the feed speed F is 2000mm/min, the cutting depth is 0.6mm, and the machining allowance is 0.2 mm.
8. The method for processing the longitudinal leaves and roots of the steam turbine according to claim 1, wherein the method comprises the following steps: processing parameters of all finish milling procedures in the eleventh step are as follows: the spindle speed S is 6100r/min, the feed speed F is 2000mm/min, the cutting depth is 0.2mm, and the machining allowance is 0 mm.
9. The method for processing the longitudinal leaves and roots of the steam turbine according to claim 1, wherein the method comprises the following steps: the machining parameters of the step twelve of fine milling of the steam passage profile are as follows: the main shaft rotating speed S is 5100r/min, the feeding speed F is 2000mm/min, the cutting depth is 0.2mm, and the machining allowance is 0 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110301816.8A CN113020677A (en) | 2021-03-22 | 2021-03-22 | Method for processing longitudinal leaf root steam passage of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110301816.8A CN113020677A (en) | 2021-03-22 | 2021-03-22 | Method for processing longitudinal leaf root steam passage of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113020677A true CN113020677A (en) | 2021-06-25 |
Family
ID=76472377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110301816.8A Withdrawn CN113020677A (en) | 2021-03-22 | 2021-03-22 | Method for processing longitudinal leaf root steam passage of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113020677A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248078A (en) * | 2021-12-09 | 2022-03-29 | 四川绵竹鑫坤机械制造有限责任公司 | Processing method of titanium alloy blade |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1613590A (en) * | 2004-11-26 | 2005-05-11 | 东方汽轮机厂 | Method and apparatus for turbine blades milling with once clamping |
| CN103008741A (en) * | 2012-12-31 | 2013-04-03 | 四川绵竹鑫坤机械制造有限责任公司 | Machining process of middle-long thin-wall blades |
| CN103203490A (en) * | 2012-12-31 | 2013-07-17 | 四川绵竹鑫坤机械制造有限责任公司 | Processing method of five-fork blade-root moving blades with own shrouds |
| CN103752918A (en) * | 2013-12-23 | 2014-04-30 | 四川绵竹鑫坤机械制造有限责任公司 | Zero-position cutting and finish-milling process for air channel molded line of air compressor moving blade |
| CN104084773A (en) * | 2014-08-04 | 2014-10-08 | 南京赛达机械制造有限公司 | Machining process of axial-flow type turbine blade |
| CN104384872A (en) * | 2014-09-11 | 2015-03-04 | 重庆Abb江津涡轮增压系统有限公司 | Machining method of turbine blade |
| CN106493592A (en) * | 2016-12-29 | 2017-03-15 | 无锡透平叶片有限公司 | For the set flute profile rotary jig that turbine blade rotary milling cuts processing |
| US20180010484A1 (en) * | 2012-02-15 | 2018-01-11 | United Technologies Corporation | Manufacturing methods for multi-lobed cooling holes |
| CN109894827A (en) * | 2019-04-12 | 2019-06-18 | 常州凯度机电有限公司 | A kind of four-axle linked milling machine processing method of turbine blade |
| CN112077546A (en) * | 2020-09-08 | 2020-12-15 | 哈尔滨汽轮机厂有限责任公司 | Method for processing crown-free die forging palm tree blade root type blade |
-
2021
- 2021-03-22 CN CN202110301816.8A patent/CN113020677A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1613590A (en) * | 2004-11-26 | 2005-05-11 | 东方汽轮机厂 | Method and apparatus for turbine blades milling with once clamping |
| US20180010484A1 (en) * | 2012-02-15 | 2018-01-11 | United Technologies Corporation | Manufacturing methods for multi-lobed cooling holes |
| CN103008741A (en) * | 2012-12-31 | 2013-04-03 | 四川绵竹鑫坤机械制造有限责任公司 | Machining process of middle-long thin-wall blades |
| CN103203490A (en) * | 2012-12-31 | 2013-07-17 | 四川绵竹鑫坤机械制造有限责任公司 | Processing method of five-fork blade-root moving blades with own shrouds |
| CN103752918A (en) * | 2013-12-23 | 2014-04-30 | 四川绵竹鑫坤机械制造有限责任公司 | Zero-position cutting and finish-milling process for air channel molded line of air compressor moving blade |
| CN104084773A (en) * | 2014-08-04 | 2014-10-08 | 南京赛达机械制造有限公司 | Machining process of axial-flow type turbine blade |
| CN104384872A (en) * | 2014-09-11 | 2015-03-04 | 重庆Abb江津涡轮增压系统有限公司 | Machining method of turbine blade |
| CN106493592A (en) * | 2016-12-29 | 2017-03-15 | 无锡透平叶片有限公司 | For the set flute profile rotary jig that turbine blade rotary milling cuts processing |
| CN109894827A (en) * | 2019-04-12 | 2019-06-18 | 常州凯度机电有限公司 | A kind of four-axle linked milling machine processing method of turbine blade |
| CN112077546A (en) * | 2020-09-08 | 2020-12-15 | 哈尔滨汽轮机厂有限责任公司 | Method for processing crown-free die forging palm tree blade root type blade |
Non-Patent Citations (1)
| Title |
|---|
| 陈光明: "基于并联机床的汽轮机叶片数控加工技术研究", 《机床与液压》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248078A (en) * | 2021-12-09 | 2022-03-29 | 四川绵竹鑫坤机械制造有限责任公司 | Processing method of titanium alloy blade |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103009007B (en) | The processing technology of Nuclear Power Station main pump impeller | |
| CN102091919B (en) | Machining method of three-dimensional closed impeller | |
| CN105252224B (en) | A kind of aero-engine outer duct outlet guide vanes processing method | |
| CN110355537A (en) | A kind of processing method of steam turbine penult and final stage moving blade | |
| CN1613590A (en) | Method and apparatus for turbine blades milling with once clamping | |
| CN106363374A (en) | Numerical control processing method and device for complex molded surface of rotor blade of air compressor | |
| CN107717030B (en) | A kind of processing method of the long boss of Titanium alloy TA15 thin-walled | |
| CN201201077Y (en) | Conical bore reaming and chamfering compound tool | |
| CN101670465B (en) | Method for machining round head blade of wind guide wheel of supercharger | |
| CN102303127B (en) | Method for removing incomplete thread by turning of numerically controlled lathe | |
| CN104475842B (en) | A kind of Blisk profile milling technological method for processing | |
| CN103752918B (en) | A kind of compressor blade and blade air flue molded line zero-bit cuts finish-milling technique | |
| CN105127697A (en) | Processing method of lengthened inlet guide vane of combustion gas turbine | |
| CN103192127B (en) | Based on the clip type form cutter dish of B2 type diamond coatings blade | |
| CN113020677A (en) | Method for processing longitudinal leaf root steam passage of steam turbine | |
| CN206241325U (en) | A kind of blade root arc surface finishing wire rod quality | |
| CN201895134U (en) | Processing tool of rotor wheel groove profile lines | |
| CN114211027B (en) | Triaxial machining device and method for mold back-off negative angle | |
| CN209614360U (en) | A grade cutter shaft is opened in a kind of milling of engine cylinder body | |
| CN204182942U (en) | A kind of cutter processing drum barrel ultra-deep inner chamber | |
| CN109277585A (en) | A kind of Ti3Al alloy guide vane inner ring method for turning | |
| CN101412121A (en) | Method for processing high power medium-speed diesel linkage rod tooth form and special processing knife tool | |
| CN110666449B (en) | Machining method for aluminum alloy virtual reference part | |
| CN103962592B (en) | A kind of processing method of numerical control turning radiused ramp chamfering | |
| CN219924669U (en) | PCBN milling cutter blade |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210625 |