CN109623591A - A kind of compressor blade holotype face numerical control grinding and polishing method - Google Patents
A kind of compressor blade holotype face numerical control grinding and polishing method Download PDFInfo
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- CN109623591A CN109623591A CN201811426548.7A CN201811426548A CN109623591A CN 109623591 A CN109623591 A CN 109623591A CN 201811426548 A CN201811426548 A CN 201811426548A CN 109623591 A CN109623591 A CN 109623591A
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- grinding
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- abrasive band
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/16—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape
- B24B21/165—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape for vanes or blades of turbines, propellers, impellers, compressors and the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/008—Machines comprising two or more tools or having several working posts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention relates to machining process, and in particular to a kind of compressor blade holotype face numerical control grinding and polishing method.Technical scheme is as follows: a kind of numerical control grinding and polishing method in compressor blade holotype face includes the following steps: Step 1: dividing grinding and polishing region；Step 2: determining grinding and polishing process sequence；Step 3: establishment polishing processing program；Step 4: polishing processing.Compressor blade holotype provided by the invention face numerical control grinding and polishing method, by dividing grinding and polishing region, solidify nc program, grinding and polishing parameter, abrasive band selection and grinding and polishing process, realize that grinding and polishing removal amount is controllable, overall size and roughness meet design drawing requirement, it is uncontrollable to solve hand polish bring removal amount, spends the problems such as throwing or owe throwing, sharp side, square toes.
Description
Technical field
The present invention relates to machining process, and in particular to a kind of compressor blade holotype face numerical control grinding and polishing method.
Background technique
Compressor blade is eg aerodynamic features important on engine, and blade molding surface size design tolerance is stringent,
Roughness grade number requires high, it is therefore an objective to ensure to realize the aerodynamic performance of blade itself, to reach machined surface profile degree tolerance
And roughness requirements, the final processing in worker's hand-polished method carry out type face is generallyd use at present, because hand polish exists
Polishing area control inaccuracy, the uncertain problem of contact force size, therefore generation removal amount is uncontrollable, crosses and throws or owe to throw, is sharp
The problems such as side, square toes, type profile tolerance of a surface, roughness exceed the requirement of design drawing, low qualified.
Summary of the invention
The present invention provides a kind of compressor blade holotype face numerical control grinding and polishing method, by dividing grinding and polishing region, solidifies numerical control
Processing program, grinding and polishing parameter, abrasive band selection and grinding and polishing process, realize that grinding and polishing removal amount is controllable, overall size and roughness symbol
It closes design drawing to require, solution hand polish bring removal amount is uncontrollable, spends the problems such as throwing or owe throwing, point side, square toes.
Technical scheme is as follows:
A kind of compressor blade holotype face numerical control grinding and polishing method, includes the following steps:
Step 1: dividing grinding and polishing region: since the blade profile milling mode of compressor blade is different, type face being divided into three
A part, i.e. big end root type face, osculant face and small end root type face, big end root type face are grinding and polishing region A, osculant face
For grinding and polishing region G, small end root type face is grinding and polishing region B；The tool marks that connect between A and G are grinding and polishing region P, connecing between B and G
Tool marks are grinding and polishing region K；Since the inlet and outlet edge R size of blade is small, need individually to carry out grinding and polishing, set exhaust edge R as
Grinding and polishing region E, air inlet edge R are grinding and polishing region F；Type face near inlet and outlet edge R because when tool sharpening need corner,
Trace can be generated, needs individually to carry out grinding and polishing, therefore it is grinding and polishing region C, air inlet edge R that the type face near exhaust edge R, which is arranged,
Neighbouring type face is grinding and polishing region D；
Step 2: determining grinding and polishing process sequence: the lateral corase grinding of progress A, B, P, K first is thrown；Then the longitudinal direction of D, C are carried out
Corase grinding is thrown；The followed by thick polishing processing in the longitudinal direction of G；After completing grinding and polishing roughing, by the sequence of A, B, P, K, C, D, E, F, G
Carry out smart polishing processing；Since the inlet and outlet edge R size of blade is small, primary smart polishing processing is only carried out, was prevented
It throws；
Step 3: establishment polishing processing program: using special procedure software programming polishing processing program, set different parts
Abrasive band direction of rotation, when the grinding and polishing region A, B, P, K, abrasive band rotates forward or backwards, and when the grinding and polishing region C, abrasive band is rotated forward,
When the grinding and polishing region D, abrasive band is rotated backward, to avoid the generation of inlet and outlet edge R chamfered edge；In polishing processing program, by can
The method of program zero offset changes the Z value actual size in each program, to realize different contact pressure tune
Whole target, to achieve the purpose that floating type profile-followed grinding and polishing；
Step 4: polishing processing: when polishing processing, adjusting grinding and polishing parameter, i.e. abrasive band according to the actual state of removal ability
Revolving speed S, amount of feeding F and volume under pressure, wherein volume under pressure refers to relative to theoretical programming position, the downward range of decrease amount of contact wheel.
The compressor blade holotype face numerical control grinding and polishing method, in the step 4, specific polishing processing process is as follows:
1) A, B, P, K corase grinding are thrown: grinding and polishing direction is lateral grinding and polishing, and 240# nylon tape, abrasive band revolving speed are selected in abrasive band
1500rpm, feed speed 800mm/min:
2) C, D corase grinding are thrown: grinding and polishing direction is longitudinal grinding and polishing, and 240# nylon tape is selected in abrasive band, abrasive band revolving speed 1500rpm, into
Give speed 800mm/min；
3) G corase grinding is thrown: grinding and polishing direction is longitudinal grinding and polishing, and 800# lapping tape, abrasive band revolving speed 1500rpm, feeding are selected in abrasive band
Speed 1000mm/min；
4) A, B, P, K fine grinding is thrown: grinding and polishing direction is lateral grinding and polishing, and 600# nylon tape, abrasive band revolving speed are selected in abrasive band
1500rpm, feed speed 800mm/min；
5) F, E, C, D fine grinding is thrown: grinding and polishing direction is longitudinal grinding and polishing, and 600# nylon tape, abrasive band revolving speed are selected in abrasive band
1500rpm, feed speed 800mm/min；
6) G fine grinding is thrown: grinding and polishing direction is longitudinal grinding and polishing, and 600# nylon tape, abrasive band revolving speed 1500rpm, feeding are selected in abrasive band
Speed 800mm/min.
The compressor blade holotype face numerical control grinding and polishing method, wherein the volume under pressure in the abrasive band are as follows: first blade
0,0.7, the 4th second blade 0.4, third part blade blade 1.0.
The compressor blade holotype face numerical control grinding and polishing method, in the step 3, for pressure under real-time control
Size, each program segment increases lower pressure control instruction U in a program, and in programming, software gives every U instruction automatically
The size of middle R1, R3 institute multiplying factor.
The invention has the benefit that
1, the mesoprosopic thick, fine grinding of the present invention is thrown, and different grinding and polishing tools is selected, according to region division, to different zones
It is thick, fine grinding throwing tool select respectively 240# and 600# nylon abrasive band and 800# abrasive sand band, roughness grade number realize
Within Ra0.4.
2, method of the invention is contracted to blade profile profile tolerance mismachining tolerance within 0.05mm by 0.1mm, blade
Passing rate of processing is increased to 90% or more by 70%.
Detailed description of the invention
Fig. 1 is blade grinding and polishing region division schematic diagram；
Fig. 2 is that abrasive band rotates forward schematic diagram；
Fig. 3 is that abrasive band rotates backward schematic diagram.
In figure: 1 is big end root type face grinding and polishing region A, and 2 be small end root type face grinding and polishing region B, and 3 grind for osculant face
Region G is thrown, 4 meet tool marks grinding and polishing region P between A and G, and 5 meet tool marks grinding and polishing region K between B and G, and 6 be exhaust edge
Type face grinding and polishing region C near R, 7 be the type face grinding and polishing region D near air inlet edge R, and 8 be exhaust edge R grinding and polishing region E, 9
It is abrasive band for air inlet edge R grinding and polishing region F, 11,12 be contact wheel.
Specific embodiment
A kind of compressor blade holotype face numerical control grinding and polishing method, includes the following steps:
Step 1: dividing grinding and polishing region: as shown in Figure 1, the blade profile milling mode due to compressor blade is different, it will
Type face is divided into three parts, i.e. big end root type face, osculant face and small end root type face, and big end root type face is grinding and polishing region
A1, osculant face are grinding and polishing region G3, and small end root type face is grinding and polishing region B2；The tool marks that connect between A1 and G3 are grinding and polishing region
The tool marks that connect between P4, B2 and G3 are grinding and polishing region K5；Since the inlet and outlet edge R size of blade is small, need individually to be ground
It throws, sets exhaust edge R as grinding and polishing region E8, air inlet edge R is grinding and polishing region F9；Type face near inlet and outlet edge R because
Corner is needed when tool sharpening, can generate trace, needs individually to carry out grinding and polishing, therefore the type face being arranged near exhaust edge R is
Type face near grinding and polishing region C6, air inlet edge R is grinding and polishing region D7；
Step 2: determining grinding and polishing process sequence: the lateral corase grinding of progress A, B, P, K first is thrown；Then the longitudinal direction of D, C are carried out
Corase grinding is thrown；The followed by thick polishing processing in the longitudinal direction of G；After completing grinding and polishing roughing, by the sequence of A, B, P, K, C, D, E, F, G
Carry out smart polishing processing；Since the inlet and outlet edge R size of blade is small, primary smart polishing processing is only carried out, was prevented
It throws；
Step 3: establishment polishing processing program: using special procedure software programming polishing processing program, set different parts
Abrasive band direction of rotation, when the grinding and polishing region A, B, P, K, abrasive band rotates forward or backwards, and when the grinding and polishing region C, abrasive band is rotated forward,
When the grinding and polishing region D, abrasive band is rotated backward, to avoid the generation of inlet and outlet edge R chamfered edge；In polishing processing program, by can
The method of program zero offset changes the Z value actual size in each program, to realize different contact pressure tune
Whole target, to achieve the purpose that floating type profile-followed grinding and polishing；For the size of pressure under real-time control, each program segment in a program
Lower pressure control instruction U is increased, software gives the size of R1, R3 institute multiplying factor in every U instruction automatically in programming；Often
Z value in one program is that specified, the coordinate system translation instruction such as in program header, translation are carried out by way of variable
X0.00Y0.500Z=2.5+R40+R68, can be changed to translation X0.00Y0.500Z=2.0+R40+R68, i.e. volume under pressure increases
0.5mm；
Step 4: polishing processing: when polishing processing, adjusting grinding and polishing parameter, i.e. abrasive band according to the actual state of removal ability
Revolving speed S, amount of feeding F and volume under pressure, wherein volume under pressure refers to relative to theoretical programming position, the downward range of decrease amount of contact wheel；Tool
Body polishing processing process is as follows:
1) A, B, P, K corase grinding are thrown: grinding and polishing direction is lateral grinding and polishing, and 240# nylon tape, abrasive band revolving speed are selected in abrasive band
1500rpm, feed speed 800mm/min:
2) C, D corase grinding are thrown: grinding and polishing direction is longitudinal grinding and polishing, and 240# nylon tape is selected in abrasive band, abrasive band revolving speed 1500rpm, into
Give speed 800mm/min；
3) G corase grinding is thrown: grinding and polishing direction is longitudinal grinding and polishing, and 800# lapping tape, abrasive band revolving speed 1500rpm, feeding are selected in abrasive band
Speed 1000mm/min；
4) A, B, P, K fine grinding is thrown: grinding and polishing direction is lateral grinding and polishing, and 600# nylon tape, abrasive band revolving speed are selected in abrasive band
1500rpm, feed speed 800mm/min；
5) F, E, C, D fine grinding is thrown: grinding and polishing direction is longitudinal grinding and polishing, and 600# nylon tape, abrasive band revolving speed are selected in abrasive band
1500rpm, feed speed 800mm/min；
6) G fine grinding is thrown: grinding and polishing direction is longitudinal grinding and polishing, and 600# nylon tape, abrasive band revolving speed 1500rpm, feeding are selected in abrasive band
Speed 800mm/min.
The wherein volume under pressure in the abrasive band are as follows: first blade, 0, second blade 0.4,0.7, the 4th, third part blade
Blade 1.0.
Claims (4)
1. a kind of compressor blade holotype face numerical control grinding and polishing method, which comprises the steps of:
Step 1: dividing grinding and polishing region: since the blade profile milling mode of compressor blade is different, type face being divided into three portions
Point, i.e., big end root type face, osculant face and small end root type face, big end root type face are grinding and polishing region A, and osculant face is mill
Region G is thrown, small end root type face is grinding and polishing region B；The tool marks that connect between A and G are grinding and polishing region P, connect tool marks between B and G
For grinding and polishing region K；Since the inlet and outlet edge R size of blade is small, needs individually to carry out grinding and polishing, set exhaust edge R as grinding and polishing
Region E, air inlet edge R are grinding and polishing region F；Type face near inlet and outlet edge R can produce because when tool sharpening needs corner
Raw trace needs individually to carry out grinding and polishing, therefore the type face near exhaust edge R is arranged for grinding and polishing region C, near air inlet edge R
Type face be grinding and polishing region D；
Step 2: determining grinding and polishing process sequence: the lateral corase grinding of progress A, B, P, K first is thrown；Then longitudinal corase grinding of D, C are carried out
It throws；The followed by thick polishing processing in the longitudinal direction of G；After completing grinding and polishing roughing, carried out by the sequence of A, B, P, K, C, D, E, F, G
Smart polishing processing；
Step 3: establishment polishing processing program: using special procedure software programming polishing processing program, set the sand of different parts
Band direction of rotation, when the grinding and polishing region A, B, P, K, abrasive band rotates forward or backwards, and when the grinding and polishing region C, abrasive band is rotated forward, grinding and polishing
When the region D, abrasive band is rotated backward, to avoid the generation of inlet and outlet edge R chamfered edge；In polishing processing program, by programmable
The method of program zero offset changes the Z value actual size in each program, to realize different contact pressure adjustment mesh
Mark, to achieve the purpose that floating type profile-followed grinding and polishing；
Step 4: polishing processing: when polishing processing, adjusting grinding and polishing parameter, i.e. abrasive band revolving speed according to the actual state of removal ability
S, amount of feeding F and volume under pressure, wherein volume under pressure refers to relative to theoretical programming position, the downward range of decrease amount of contact wheel.
2. compressor blade holotype according to claim 1 face numerical control grinding and polishing method, which is characterized in that the step 4
In, specific polishing processing process is as follows:
1) A, B, P, K corase grinding are thrown: grinding and polishing direction is lateral grinding and polishing, and 240# nylon tape is selected in abrasive band, abrasive band revolving speed 1500rpm, into
Give speed 800mm/min:
2) C, D corase grinding are thrown: grinding and polishing direction is longitudinal grinding and polishing, and 240# nylon tape, abrasive band revolving speed 1500rpm, feeding speed are selected in abrasive band
Spend 800mm/min；
3) G corase grinding is thrown: grinding and polishing direction is longitudinal grinding and polishing, and 800# lapping tape, abrasive band revolving speed 1500rpm, feed speed are selected in abrasive band
1000mm/min；
4) A, B, P, K fine grinding is thrown: grinding and polishing direction is lateral grinding and polishing, and 600# nylon tape is selected in abrasive band, abrasive band revolving speed 1500rpm, into
Give speed 800mm/min；
5) F, E, C, D fine grinding is thrown: grinding and polishing direction is longitudinal grinding and polishing, and 600# nylon tape is selected in abrasive band, abrasive band revolving speed 1500rpm, into
Give speed 800mm/min；
6) G fine grinding is thrown: grinding and polishing direction is longitudinal grinding and polishing, and 600# nylon tape, abrasive band revolving speed 1500rpm, feed speed are selected in abrasive band
800mm/min。
3. compressor blade holotype according to claim 2 face numerical control grinding and polishing method, which is characterized in that under the abrasive band
Pressure amount are as follows: 0.7, the 4th first blade, 0, second blade 0.4, third part blade blade 1.0.
4. compressor blade holotype according to claim 1 face numerical control grinding and polishing method, which is characterized in that the step 3
In, for the size of pressure under real-time control, each program segment increases lower pressure control instruction U in a program, in programming
Software gives the size of R1, R3 institute multiplying factor in every U instruction automatically.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814983A (en) * | 2019-11-13 | 2020-02-21 | 中国航发动力股份有限公司 | Blade polishing device and polishing method |
| CN112338642A (en) * | 2020-10-23 | 2021-02-09 | 西安远航真空钎焊技术有限公司 | Polishing method of multi-dimensional flow blade profile |
| CN113070789A (en) * | 2021-03-25 | 2021-07-06 | 中国航发南方工业有限公司 | Polishing method for small and medium-sized aero-engine compressor blades |
| CN113386030A (en) * | 2021-06-30 | 2021-09-14 | 中国航发动力股份有限公司 | Blade profile precise grinding method |
| CN113681415A (en) * | 2021-09-01 | 2021-11-23 | 中国航发沈阳黎明航空发动机有限责任公司 | Grinding machine and grinding method for air inlet adjustable blade of aero-engine |
| CN113954102A (en) * | 2021-12-23 | 2022-01-21 | 太原理工大学 | Off-line programming-based path planning method for polishing and grinding blades of shutter wheel |
| CN116038505A (en) * | 2023-04-03 | 2023-05-02 | 国营川西机器厂 | Fan rotor blade polishing method based on grading |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120077417A1 (en) * | 2010-09-28 | 2012-03-29 | Snecma | Method and device for machining the leading edge of a turbine engine blade |
| CN102476344A (en) * | 2010-11-22 | 2012-05-30 | 沈阳黎明航空发动机(集团)有限责任公司 | Polishing and grinding method of titanium alloy blades |
| CN104439987A (en) * | 2014-11-09 | 2015-03-25 | 沈阳黎明航空发动机(集团)有限责任公司 | Machining method for guaranteeing shape completeness of air inlet and air outlet side circular arcs of blade |
| CN107020548A (en) * | 2017-05-19 | 2017-08-08 | 西北工业大学 | A kind of polishing method for improving compressor blade aeroperformance |
-
2018
- 2018-11-27 CN CN201811426548.7A patent/CN109623591A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120077417A1 (en) * | 2010-09-28 | 2012-03-29 | Snecma | Method and device for machining the leading edge of a turbine engine blade |
| CN102476344A (en) * | 2010-11-22 | 2012-05-30 | 沈阳黎明航空发动机(集团)有限责任公司 | Polishing and grinding method of titanium alloy blades |
| CN104439987A (en) * | 2014-11-09 | 2015-03-25 | 沈阳黎明航空发动机(集团)有限责任公司 | Machining method for guaranteeing shape completeness of air inlet and air outlet side circular arcs of blade |
| CN107020548A (en) * | 2017-05-19 | 2017-08-08 | 西北工业大学 | A kind of polishing method for improving compressor blade aeroperformance |
Non-Patent Citations (2)
| Title |
|---|
| 刘树生: "航空钛合金叶片数控砂带磨削关键技术", 《航空制造技术》 * |
| 路勇: "航发精锻叶片全型面磨削工艺方案设计", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814983A (en) * | 2019-11-13 | 2020-02-21 | 中国航发动力股份有限公司 | Blade polishing device and polishing method |
| CN112338642A (en) * | 2020-10-23 | 2021-02-09 | 西安远航真空钎焊技术有限公司 | Polishing method of multi-dimensional flow blade profile |
| CN113070789A (en) * | 2021-03-25 | 2021-07-06 | 中国航发南方工业有限公司 | Polishing method for small and medium-sized aero-engine compressor blades |
| CN113070789B (en) * | 2021-03-25 | 2022-03-25 | 中国航发南方工业有限公司 | Polishing method for small and medium-sized aero-engine compressor blades |
| CN113386030A (en) * | 2021-06-30 | 2021-09-14 | 中国航发动力股份有限公司 | Blade profile precise grinding method |
| CN113681415A (en) * | 2021-09-01 | 2021-11-23 | 中国航发沈阳黎明航空发动机有限责任公司 | Grinding machine and grinding method for air inlet adjustable blade of aero-engine |
| CN113954102A (en) * | 2021-12-23 | 2022-01-21 | 太原理工大学 | Off-line programming-based path planning method for polishing and grinding blades of shutter wheel |
| CN113954102B (en) * | 2021-12-23 | 2022-03-15 | 太原理工大学 | Off-line programming-based path planning method for polishing and grinding blades of shutter wheel |
| CN116038505A (en) * | 2023-04-03 | 2023-05-02 | 国营川西机器厂 | Fan rotor blade polishing method based on grading |
| CN116038505B (en) * | 2023-04-03 | 2023-06-16 | 国营川西机器厂 | Fan rotor blade polishing method based on grading |
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