CN108000194A - Regulating stage blade positioning fixture and the method using fixture processing blade steam passage - Google Patents
Regulating stage blade positioning fixture and the method using fixture processing blade steam passage Download PDFInfo
- Publication number
- CN108000194A CN108000194A CN201711484365.6A CN201711484365A CN108000194A CN 108000194 A CN108000194 A CN 108000194A CN 201711484365 A CN201711484365 A CN 201711484365A CN 108000194 A CN108000194 A CN 108000194A
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- CN
- China
- Prior art keywords
- stage blade
- regulating stage
- processing
- jackscrew
- locating piece
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/063—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding turbine blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/02—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from one piece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
Regulating stage blade positioning fixture and the method using fixture processing blade steam passage, the present invention relates to blade positioning fixture and the method for processing blade steam passage, the present invention is poor to solve three steam passage post-processing dimensional accuracies of regulating stage blade in the prior art, polishing process can not meet drawing required precision, it includes clamp body, first locating piece, second locating piece, jackscrew positioning component and jacking block, clamp body is plate body, clamp body is fixedly mounted on the workbench of lathe, first locating piece and jackscrew positioning component are oppositely arranged, first locating piece and jackscrew positioning component are relatively fixed on the upper surface of clamp body, second locating piece is installed on the tailstock of lathe, jacking block is installed on the rotary disk of numerical control five-axle milling machine, step 1：Installation；Step 2：Positioning；Step 3：Roughing；Step 4：Semifinishing；Step 5：Finishing；Step 6：B C curved face processings；Step 7：Complete the processing of regulating stage blade steam passage.The present invention is used for blade processing field.
Description
Technical field
The present invention relates to blade positioning fixture and the method for processing blade steam passage, and in particular to regulating stage blade positions
Fixture and the method using fixture processing blade steam passage, belong to blade processing field.
Background technology
Regulating stage blade is the first-level blade that assembling is used on turbine rotor.Since every regulating stage blade is by three
Steam passage forms, when processing steam passage, since space is smaller so processing difficulties.Processing steam passage was by electrical discharge machining in the past
Afterwards, then by pincers worker polish, after so machining, accurate to dimension is poor, can not meet drawing requirement.
The content of the invention
Three steam passage post-processing dimensional accuracies of regulating stage blade are poor in the prior art for solution by the present invention, buffer
Sequence can not meet drawing required precision, and then propose regulating stage blade positioning fixture and utilize fixture processing blade steam passage
Method.
The present invention adopts the technical scheme that to solve the above problems：The present invention includes
It includes clamp body, the first locating piece, the second locating piece, jackscrew positioning component and jacking block, and clamp body is plate body,
Clamp body is fixedly mounted on the workbench of lathe, and the first locating piece and jackscrew positioning component are oppositely arranged, the first locating piece and
Jackscrew positioning component is relatively fixed on the upper surface of clamp body, and the second locating piece is installed on the tailstock of lathe, jacking block
One end be installed on numerical control five-axle milling machine rotary disk on, the other end of jacking block is withstood on the blade root of regulating stage blade, governing stage
The leaf top of blade is contacted with the upper surface of clamp body, and the first locating piece is withstood at the leaf top of regulating stage blade aperture surface side, top
Silk positioning component is withstood at the leaf top of regulating stage blade back of the body diametric plane side, and the second locating piece withstands on regulating stage blade aperture surface and the back of the body
At the leaf top of diametric plane side.
Step 1：Installation：Clamp body is installed on the workbench of Five-axis numerical control milling machine, regulating stage blade three before processing
Steam passage has two cavities, and the machined surface of each cavity has the allowance of 0.5mm；
Step 2：Positioning：Regulating stage blade is stood upside down and is placed on the upper surface of clamp body, jackscrew withstands on regulating stage blade
At the leaf top for carrying on the back diametric plane side, the first locating piece is withstood at the leaf top of regulating stage blade aperture surface side, and the second locating piece is withstood on
At the leaf top of regulating stage blade aperture surface and back of the body diametric plane side；
Step 3：Roughing：Three vapour by Five-axis numerical control milling machine with φ 8r4 rose cutters to regulating stage blade both sides
Road molded line carries out roughing, each in four A-B arcwall faces, C-D arcwall faces, E-F arcwall faces and F-G arcwall faces cambered surfaces after processing
The allowance of arcwall face is 0.3mmm, machined parameters the rotating speed n1, Speed unit r/ of φ 8r4 rose cutters during roughing
The numerical value of min, n1 are 2200, machined parameters the feeding speed f1, speed unit mm/ of φ 8r4 rose cutters during roughing
The numerical value of min, f1 are 150；
Step 4：Semifinishing：Three by Five-axis numerical control milling machine with φ 8r4 rose cutters to regulating stage blade both sides
Steam passage carries out semifinishing, after processing in four A-B arcwall faces, C-D arcwall faces, E-F arcwall faces and F-G arcwall faces cambered surfaces
The allowance of each arcwall face is 0.2mmm, φ 8r4 rose cutter machined parameters rotating speed n2 during semifinishing, and Speed unit is
The numerical value of r/min, n2 are 2600, φ 8r4 rose cutter machined parameters feeding speed f2, speed unit mm/ during finishing
The numerical value of min, f2 are 800；
Step 5：Finishing：Three vapour by Five-axis numerical control milling machine with φ 8r4 rose cutters to regulating stage blade both sides
Road molded line is finished, each in four A-B arcwall faces, C-D arcwall faces, E-F arcwall faces and F-G arcwall faces cambered surfaces after processing
Precision is in the range of 0.05mm after the processing of arcwall face, φ 8r4 rose cutter machined parameters rotating speed n3 during finishing, Speed unit
For r/min, the numerical value of n3 is 2600, φ 8r4 rose cutter machined parameters feeding speed f3, speed unit mm/ during finishing
The numerical value of min, f3 are 800；
Step 6：B-C curved face processings, it is each to regulating stage blade with φ 8r4 lollipop milling cutters by Five-axis numerical control milling machine
The B-C curved face processings of cavity, precision in the range of 0.05mm, passes through φ 8r4 sticks after the processing of the B-C cambered surfaces of cavity after processing
Machined parameters rotating speed n4 during sugared milling cutter processing, the numerical value of Speed unit r/min, n4 are processed for 2600, φ 8r4 lollipops milling cutter
When machined parameters feeding speed f4, the numerical value of speed unit mm/min, f4 is 800；
Step 7：Complete the processing of regulating stage blade steam passage.
The beneficial effects of the invention are as follows：
Since processing steam passage was polished by after electrical discharge machining, then by pincers worker in the past, after so machining, precision compared with
Difference, can not meet drawing requirement.Now using Five-axis numerical control milling machine processing regulating stage blade, the Special positioning tool solution of development is utilized
Determined clamping, positioning problem；Since steam passage is narrow and small, cutter is easily damaged blade profile, is processed, used using substep, subregion
The problem of milling is realized in suitable cutter and machined parameters, the center depths of solving, and ensure that product quality and machining accuracy.
Brief description of the drawings
Fig. 1 is the positioning fixture front view of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is regulating stage blade front view.
Fig. 4 is the side view of Fig. 3.
Fig. 5 is the top view of Fig. 3.
Fig. 6 is curved face processing schematic diagram of the φ 8r4 rose cutters to regulating stage blade both sides steam passage.
Fig. 7 is φ 8r4 lollipops milling cutters to governing stage blade processing schematic diagram
Embodiment
Embodiment one：Illustrate present embodiment with reference to Fig. 1-Fig. 5, regulating stage blade described in present embodiment positions
Fixture, it includes clamp body 1, the first locating piece 2, the second locating piece 3, jackscrew positioning component 4 and jacking block 5, and clamp body 1 is tabular
Body, clamp body 1 are fixedly mounted on the workbench of lathe, and the first locating piece 2 and jackscrew positioning component 4 are oppositely arranged, and first is fixed
Position block 2 and jackscrew positioning component 4 are relatively fixed on the upper surface of clamp body 1, and the second locating piece 3 is installed on the tail of lathe
On seat, one end of jacking block 5 is installed on the rotary disk of numerical control five-axle milling machine, and the other end of jacking block 5 withstands on the leaf of regulating stage blade
On root, the leaf top of regulating stage blade is contacted with the upper surface of clamp body 1, and the first locating piece 2 withstands on regulating stage blade aperture surface one
At the leaf top of side, jackscrew positioning component 4 is withstood at the leaf top of regulating stage blade back of the body diametric plane side, and the second locating piece 3 withstands on adjusting
At the leaf top of grade blade aperture surface and back of the body diametric plane side.
Embodiment two：Illustrate present embodiment with reference to Fig. 1-Fig. 2, regulating stage blade described in present embodiment positions
Fixture, jackscrew positioning component 4 include jackscrew block and jackscrew, and jackscrew block is fixedly mounted on the upper surface of clamp body 1, jackscrew screw thread
On jackscrew block, and jackscrew is withstood at the leaf top of regulating stage blade back of the body diametric plane side, other structures and embodiment
One is identical.
Embodiment three：Illustrate present embodiment with reference to Fig. 1-Fig. 7, regulating stage blade is utilized described in present embodiment
The processing method that positioning fixture processes regulating stage blade steam passage, the method is realized according to following steps：
Step 1：Installation：Clamp body 1 is installed on the workbench of Five-axis numerical control milling machine, regulating stage blade three before processing
A steam passage has two cavities, and the machined surface of each cavity has the allowance of 0.5mm；
Step 2：Positioning：Regulating stage blade is stood upside down and is placed on the upper surface of clamp body 1, jackscrew withstands on governing stage leaf
At the leaf top of piece back of the body diametric plane side, the first locating piece 2 is withstood at the leaf top of regulating stage blade aperture surface side, the second locating piece 3
Withstand at the leaf top of regulating stage blade aperture surface and back of the body diametric plane side；
Step 3：Roughing：Three vapour by Five-axis numerical control milling machine with φ 8r4 rose cutters to regulating stage blade both sides
Road molded line carries out roughing, 10 4 A-B arcwall faces 6, C-D arcwall faces 8, E-F arcwall faces 9 and F-G arcwall faces cambered surfaces after processing
In the allowance of each arcwall face be 0.3mmm, the machined parameters rotating speed n1 of φ 8r4 rose cutters, Speed unit during roughing
For r/min, the numerical value of n1 is 2200, and the machined parameters feeding speed f1 of φ 8r4 rose cutters, speed unit are during roughing
The numerical value of mm/min, f1 are 150；
Step 4：Semifinishing：Three by Five-axis numerical control milling machine with φ 8r4 rose cutters to regulating stage blade both sides
Steam passage carries out semifinishing, A-B arcwall faces 6, C-D arcwall faces 8, E-F arcwall faces 9 and F-G arcwall faces 10 4 after processing
The allowance of each arcwall face is 0.2mmm in cambered surface, φ 8r4 rose cutter machined parameters rotating speed n2 during semifinishing, rotating speed
Unit is r/min, and the numerical value of n2 is 2600, φ 8r4 rose cutter machined parameters feeding speed f2 during finishing, and speed unit is
The numerical value of mm/min, f2 are 800；
Step 5：Finishing：Three vapour by Five-axis numerical control milling machine with φ 8r4 rose cutters to regulating stage blade both sides
Road molded line is finished, 10 4 A-B arcwall faces 6, C-D arcwall faces 8, E-F arcwall faces 9 and F-G arcwall faces cambered surfaces after processing
In each arcwall face processing after precision in the range of 0.05mm, φ 8r4 rose cutter machined parameters rotating speed n3 during finishing, turn
Fast unit is r/min, and the numerical value of n3 is 2600, φ 8r4 rose cutter machined parameters feeding speed f3 during finishing, speed unit
For mm/min, the numerical value of f3 is 800；
Step 6：B-C cambered surfaces 7 are processed, each to regulating stage blade with φ 8r4 lollipop milling cutters by Five-axis numerical control milling machine
The B-C cambered surfaces 7 of cavity are processed, and precision in the range of 0.05mm, passes through φ 8r4 rods after the processing of the B-C cambered surfaces 7 of cavity after processing
The numerical value of machined parameters rotating speed n4 when lollipop milling cutter is processed, Speed unit r/min, n4 add for 2600, φ 8r4 lollipop milling cutters
In man-hour machined parameters feeding speed f4, the numerical value of speed unit mm/min, f4 are 800；
Step 7：The processing of regulating stage blade steam passage is completed by step 1 to step 5.
Claims (3)
1. regulating stage blade positioning fixture, it is characterised in that：It includes clamp body (1), the first locating piece (2), the second locating piece
(3), jackscrew positioning component (4) and jacking block (5), clamp body (1) are plate body, and clamp body (1) is fixedly mounted on the work of lathe
On platform, the first locating piece (2) and jackscrew positioning component (4) are oppositely arranged, the first locating piece (2) and jackscrew positioning component (4) phase
To being fixedly mounted on the upper surface of clamp body (1), the second locating piece (3) is installed on the tailstock of lathe, one end of jacking block (5)
On the rotary disk of numerical control five-axle milling machine, the other end of jacking block (5) is withstood on the blade root of regulating stage blade, regulating stage blade
Leaf top contacted with the upper surface of clamp body (1), the first locating piece (2) is withstood at the leaf top of regulating stage blade aperture surface side,
Jackscrew positioning component (4) is withstood at the leaf top of regulating stage blade back of the body diametric plane side, and the second locating piece (3) is withstood in regulating stage blade
At the leaf top of diametric plane and back of the body diametric plane side.
2. regulating stage blade positioning fixture according to claim 1, it is characterised in that：Jackscrew positioning component (4) includes jackscrew
Block and jackscrew, jackscrew block are fixedly mounted on the upper surface of clamp body (1), and jackscrew is threadably mounted on jackscrew block, and jackscrew top
At the leaf top of regulating stage blade back of the body diametric plane side.
A kind of 3. processing using the regulating stage blade positioning fixture processing regulating stage blade steam passage of claim 1 or 2
Method, it is characterised in that：The method is realized according to following steps：
Step 1：Installation：Clamp body (1) is installed on the workbench of Five-axis numerical control milling machine, regulating stage blade three before processing
Steam passage has two cavities, and the machined surface of each cavity has the allowance of 0.5mm；
Step 2：Positioning：Regulating stage blade is stood upside down and is placed on the upper surface of clamp body (1), jackscrew withstands on regulating stage blade
At the leaf top for carrying on the back diametric plane side, the first locating piece (2) is withstood at the leaf top of regulating stage blade aperture surface side, the second locating piece
(3) withstand at the leaf top of regulating stage blade aperture surface and back of the body diametric plane side；
Step 3：Roughing：Three steam passage types by Five-axis numerical control milling machine with φ 8r4 rose cutters to regulating stage blade both sides
Line carries out roughing, A-B arcwall faces (6), C-D arcwall faces (8), E-F arcwall faces (9) and F-G arcwall faces (10) four after processing
The allowance of each arcwall face is 0.3mmm in cambered surface, the machined parameters rotating speed n1 of φ 8r4 rose cutters, rotating speed during roughing
Unit is r/min, and the numerical value of n1 is 2200, the machined parameters feeding speed f1 of φ 8r4 rose cutters, speed unit during roughing
For mm/min, the numerical value of f1 is 150；
Step 4：Semifinishing：Three steam passages by Five-axis numerical control milling machine with φ 8r4 rose cutters to regulating stage blade both sides
Molded line carries out semifinishing, A-B arcwall faces (6), C-D arcwall faces (8), E-F arcwall faces (9) and F-G arcwall faces (10) after processing
The allowance of each arcwall face is 0.2mmm in four cambered surfaces, φ 8r4 rose cutter machined parameters rotating speed n2 during semifinishing,
Speed unit is r/min, and the numerical value of n2 is 2600, φ 8r4 rose cutter machined parameters feeding speed f2 during finishing, speed list
Position is mm/min, and the numerical value of f2 is 800；
Step 5：Finishing：Three steam passage types by Five-axis numerical control milling machine with φ 8r4 rose cutters to regulating stage blade both sides
Line is finished, A-B arcwall faces (6), C-D arcwall faces (8), E-F arcwall faces (9) and F-G arcwall faces (10) four after processing
Precision is in the range of 0.05mm after the processing of each arcwall face in cambered surface, φ 8r4 rose cutter machined parameters rotating speeds during finishing
The numerical value of n3, Speed unit r/min, n3 are 2600, φ 8r4 rose cutter machined parameters feeding speed f3 during finishing, speed
Degree unit is mm/min, and the numerical value of f3 is 800；
Step 6：B-C cambered surfaces (7) are processed, by Five-axis numerical control milling machine with φ 8r4 lollipops milling cutters to each type of regulating stage blade
B-C cambered surfaces (7) processing of chamber, precision in the range of 0.05mm, passes through φ 8r4 after the processing of the B-C cambered surfaces (7) of cavity after processing
Machined parameters rotating speed n4 when lollipop milling cutter is processed, the numerical value of Speed unit r/min, n4 are 2600, φ 8r4 lollipop milling cutters
The numerical value of machined parameters feeding speed f4 during processing, speed unit mm/min, f4 are 800；
Step 7：The processing of regulating stage blade steam passage is completed by step 1 to step 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711484365.6A CN108000194B (en) | 2017-12-29 | 2017-12-29 | Regulating stage blade positioning fixture and the method for processing blade steam passage using fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711484365.6A CN108000194B (en) | 2017-12-29 | 2017-12-29 | Regulating stage blade positioning fixture and the method for processing blade steam passage using fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108000194A true CN108000194A (en) | 2018-05-08 |
| CN108000194B CN108000194B (en) | 2019-05-24 |
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ID=62049500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711484365.6A Active CN108000194B (en) | 2017-12-29 | 2017-12-29 | Regulating stage blade positioning fixture and the method for processing blade steam passage using fixture |
Country Status (1)
| Country | Link |
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| CN (1) | CN108000194B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109664080A (en) * | 2019-02-22 | 2019-04-23 | 绵阳市瑞丰机电制造有限公司 | A kind of processing method of blade triplet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011134903A1 (en) * | 2010-04-26 | 2011-11-03 | Hamuel Maschinenbau Gmbh & Co. Kg | Turbine blade blank and method and device for machining a turbine blade blank |
| US20120001375A1 (en) * | 2010-06-30 | 2012-01-05 | Honda Motor Co., Ltd. | Device for removing clamping block made of resin and device for clamping clamping block made of resin |
| CN202934367U (en) * | 2012-11-30 | 2013-05-15 | 无锡透平叶片有限公司 | Rotary milling clamp structure of tenon tooth blade root blade |
| CN103143945A (en) * | 2013-02-07 | 2013-06-12 | 哈尔滨汽轮机厂有限责任公司 | Driven device for four-axis coordinated machine tool in processing blade steam passage profile |
| EP3205451A1 (en) * | 2016-02-12 | 2017-08-16 | Siemens Aktiengesellschaft | Turbine blade torsional clamp |
-
2017
- 2017-12-29 CN CN201711484365.6A patent/CN108000194B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011134903A1 (en) * | 2010-04-26 | 2011-11-03 | Hamuel Maschinenbau Gmbh & Co. Kg | Turbine blade blank and method and device for machining a turbine blade blank |
| US20120001375A1 (en) * | 2010-06-30 | 2012-01-05 | Honda Motor Co., Ltd. | Device for removing clamping block made of resin and device for clamping clamping block made of resin |
| CN202934367U (en) * | 2012-11-30 | 2013-05-15 | 无锡透平叶片有限公司 | Rotary milling clamp structure of tenon tooth blade root blade |
| CN103143945A (en) * | 2013-02-07 | 2013-06-12 | 哈尔滨汽轮机厂有限责任公司 | Driven device for four-axis coordinated machine tool in processing blade steam passage profile |
| EP3205451A1 (en) * | 2016-02-12 | 2017-08-16 | Siemens Aktiengesellschaft | Turbine blade torsional clamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109664080A (en) * | 2019-02-22 | 2019-04-23 | 绵阳市瑞丰机电制造有限公司 | A kind of processing method of blade triplet |
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| Publication number | Publication date |
|---|---|
| CN108000194B (en) | 2019-05-24 |
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Effective date of registration: 20221221 Address after: 150000 building 3, high tech production base, Nangang District, Harbin City, Heilongjiang Province Patentee after: HARBIN TURBINE Co.,Ltd. Patentee after: HADIAN POWER EQUIPMENT NATIONAL ENGINEERING RESEARCH CENTER CO.,LTD. Address before: 150046 No. three power road 345, Xiangfang District, Heilongjiang, Harbin Patentee before: HARBIN TURBINE Co.,Ltd. |