CN109176344A - A kind of processing method of fabricated blade finishing cubing and the cubing - Google Patents
A kind of processing method of fabricated blade finishing cubing and the cubing Download PDFInfo
- Publication number
- CN109176344A CN109176344A CN201811114467.3A CN201811114467A CN109176344A CN 109176344 A CN109176344 A CN 109176344A CN 201811114467 A CN201811114467 A CN 201811114467A CN 109176344 A CN109176344 A CN 109176344A
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- China
- Prior art keywords
- locating piece
- molded line
- cubing
- cone block
- line locating
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The processing method of a kind of fabricated blade finishing cubing and the cubing, it is related to a kind of cubing and the processing method of the cubing.The present invention is complicated in order to solve existing detection tool structure, and processing and manufacturing is complicated, and not easy to operate, brings unstable factor to the detection accuracy of blade shroud, there are problems that influencing the processing quality of entire turbine blade.Molded line locating piece (2) of the invention is embedded into the open slot (4) of cone block (1), is connected between molded line locating piece (2) and cone block (1) by fillister head screw (3).Cubing processing method of the invention: step 1: processing cone block (1)；Step 2: processing molded line locating piece (2)；Step 3: the assembling of cubing.The present invention is used for the precision measurement and detection of blade shroud.
Description
Technical field
The present invention relates to a kind of cubing and the processing methods of the cubing, and in particular to a kind of fabricated blade finishing cubing
And the processing method of the cubing.
Background technique
Blade is the key part of steam turbine, and is one of most fine, most important part.It is under the exacting terms of pole
Bear high temperature, high pressure, huge centrifugal force, steam power, steam-excited vibration power, corrosion and vibration and wet-steam region water droplet erosion
Collective effect.Its aerodynamic performance, processing geometry, surface roughness, installation gap and operating condition, fouling etc. because
Element influences the efficiency of steam turbine, power output；The design of its structure, oscillation intensity and the method for operation then play the security reliability of unit
Conclusive influence.
Turbine blade is subject biggish moment of flexure in work by the effect of high temperature and high pressure steam, run at high speed in it is dynamic
Blade still suffers from very high centrifugal force；Blade in the area Shi Yanqi, especially final stage will be subjected to electrochemical corrosion and water droplet
Erosion movable vane piece still suffers from very complicated exciting force.Therefore, the machining accuracy of blade is particularly important.
In the process of turbine blade, need to be detected using dedicated cubing after blade finishing, and right
The machining accuracy of blade plays the role of conclusive, and therefore, the detection instrument importance of blade shroud is self-evident.And it is current
When processing blade shroud, accuracy detection also has been carried out to integral shroud, but since existing detection tool structure is complicated, itself detection type
The precision in face is unstable, and not easy to operate, brings unstability to the detection accuracy of blade shroud, to influence entire vapour
The processing quality of turbine blade.
In conclusion existing detection tool structure is complicated, processing and manufacturing is complicated, and not easy to operate, to the inspection of blade shroud
It surveys precision and brings unstable factor, there are problems that influencing the processing quality of entire turbine blade.
Summary of the invention
It is complicated that the purpose of the present invention is to solve existing detection tool structures, and processing and manufacturing is complicated, and not easy to operate, gives
The detection accuracy of blade shroud brings unstable factor, there are problems that influencing the processing quality of entire turbine blade.Into
And provide a kind of fabricated blade finishing cubing and the processing method of the cubing.
The technical scheme is that a kind of fabricated blade finishing cubing includes cone block, molded line locating piece and cylinder
Head screw, cone block are equipped with open slot, and molded line locating piece is "convex" shaped locating piece, and the upper surface of "convex" shaped locating piece is
Arc-shaped curved surface, molded line locating piece are embedded into the open slot of cone block 1, and arc-shaped curved surface is mounted on upward in the open slot of cone block,
It is connected between molded line locating piece and cone block by fillister head screw.
Further, the integral shroud of blade curved surface to be detected and the upper surface arc-shaped curved surface of "convex" shaped locating piece match.
Further, boring the end face on rear side of block is concave arc curved surface.
The present invention also provides a kind of fabricated blade finishing cubing processing method, it the following steps are included:
Step 1: processing cone block:
Step 1: forging cone block blank；
Step 2: carrying out Milling Process to cone block blank；
Step 3: processing open slot on cone block blank using wire cutting；
Step 4: the cone block blank to third step is heat-treated, heat treatment hardness HRC28-32, then carry out sandblasting；
Step 5: plain grinding is ground and goes magnetic treatment；
Step 6: being finished using wire cutting to open slot；
Step 7: each plane of pincers worker polishing open slot；
Step 8: the bottom surface of plain grinding cone block；
Step 9: numerical control milling concave arc curved surface；
Step 10: pincers worker polishes concave arc curved surface；
Step 11: falling blunt by the cone block progress sharp edge of the tenth step and beating figure number, the processing to cone block is so far completed；
Step 2: processing molded line locating piece；
Step 1: forging molded line locating piece blank；
Step 2: carrying out Milling Process to molded line locating piece；
Step 3: being heat-treated to the molded line locating piece after milling, heat treatment hardness HRC31-35, and to heat treatment
Molded line locating piece afterwards carries out sandblasting；
Step 4: carrying out plain grinding processing and magnetic treatment to the molded line locating piece of third step；
Step 5: passing through the outer profile of linear cutter molded line locating piece；
Step 6: the outer profile of pincers worker polishing molded line locating piece and to carry out sharp edge blunt；
Step 7: Milling Process, mills counter boring on molded line face on the arc-shaped curved surface of "convex" shaped locating piece；
Step 8: pincers worker drills on counter boring, sharp edge is blunt, so far completes the processing to molded line locating piece；
Step 3: the assembling of cubing:
Molded line locating piece is embedded into the open slot of cone block, molded line locating piece is tightened in by cone block by fillister head screw
On, so far, complete the processing of entire cubing.
The present invention has the effect that compared with prior art
Only there are three components for cubing of the invention, it will be able to the detection function to blade shroud is completed, structure is simple, and
In actual use, easy to operate, it is only necessary to cubing to be mounted on the face to be detected of blade shroud and be detected, effectively
Overcome existing detection tool structure complexity, problem not easy to operate.In addition, detection efficiency of the present invention is detected compared to existing cubing
Efficiency is doubled.
Cubing of the invention is since structure is simple, so being readily produced manufacture, and is more easier to guarantee machining accuracy.
Detailed description of the invention
Fig. 1 is main view of the invention；Fig. 2 is the side view of Fig. 1；Fig. 3 is the main view for boring block 1；Fig. 4 is the side of Fig. 1
View；Fig. 5 is the main view of molded line locating piece 2；Fig. 6 is the side view of Fig. 5.
Specific embodiment
Specific embodiment 1: illustrating present embodiment, a kind of fabricated blade of present embodiment in conjunction with Fig. 1 to Fig. 6
Cubing is finished, it includes cone block 1, molded line locating piece 2 and fillister head screw 3, and cone block 1 is equipped with open slot 4, the open slot
4 open up threaded hole 6 for place to the right on the open slot of cone 1 width direction of block, open slot 4, and molded line locating piece 2 is "convex" shaped
Locating piece, and the upper surface of "convex" shaped locating piece is arc-shaped curved surface, opens up groove 7 on the arc-shaped curved surface of molded line locating piece 2, it is recessed
Hole 8 is opened up in slot 7, molded line locating piece 2 is embedded into the open slot 4 of cone block 1, and arc-shaped curved surface is mounted on opening for cone block 1 upward
In mouth slot 4, connected between molded line locating piece 2 and cone block 1 by fillister head screw 3.
Cubing in order to meet present embodiment now defines the horizontal direction of cubing in the detection accuracy to blade shroud
For X-axis, vertical direction is defined as Y-axis.When cubing detects, as shown in Figure 1, the right end face of blade is close to the open slot 4 of cone block 1
The arc-shaped curved surface of molded line locating piece 2 is tightly attached in right side inner sidewall, the lower end surface of blade.Detection operation is simpler.
Specific embodiment 2: illustrating present embodiment in conjunction with Fig. 1 to Fig. 3, the open slot 4 of present embodiment is opened for rectangle
Mouth slot.So set, convenient for providing fixed installation site for molded line locating piece 2, meanwhile, the inner sidewall of open slot 4 also can
Realize the detection to blade shroud.Other compositions and connection relationship are same as the specific embodiment one.
Specific embodiment 3: illustrating present embodiment in conjunction with Fig. 1 and Fig. 5, the integral shroud of the blade of present embodiment is to be checked
The upper surface arc-shaped curved surface for surveying curved surface and "convex" shaped locating piece matches.So set, providing detection plane.Other compositions
It is identical with embodiment two with connection relationship.
Specific embodiment 4: embodiment is described with reference to Fig. 2, the end face of 1 rear side of cone block of present embodiment is interior
Concave arc shape curved surface 5.So set, for the positioning of blade concavity curved surface.Other compositions and connection relationship and specific embodiment three
It is identical.
Specific embodiment 5: illustrating present embodiment, a kind of fabricated blade of present embodiment in conjunction with Fig. 1 to Fig. 6
Finish cubing processing method, it the following steps are included:
Step 1: processing cone block 1:
Step 1: forging cone block blank；
Step 2: carrying out Milling Process to cone block blank；
Step 3: processing open slot 4 on cone block blank using wire cutting；
Step 4: the cone block blank to third step is heat-treated, heat treatment hardness HRC28-32, then carry out sandblasting；
Step 5: plain grinding is ground and goes magnetic treatment；
Step 6: being finished using wire cutting to open slot 4；
Step 7: each plane of pincers worker polishing open slot 4；
Step 8: the bottom surface of plain grinding cone block；
Step 9: numerical control milling concave arc curved surface 5；
Step 10: pincers worker polishes concave arc curved surface 5；
Step 11: falling blunt by the cone block progress sharp edge of the tenth step and beating figure number, the processing to cone block 1 is so far completed；
Step 2: processing molded line locating piece 2；
Step 1: forging molded line locating piece blank；
Step 2: carrying out Milling Process to molded line locating piece；
Step 3: being heat-treated to the molded line locating piece after milling, heat treatment hardness HRC31-35, and to heat treatment
Molded line locating piece afterwards carries out sandblasting；
Step 4: carrying out plain grinding processing and magnetic treatment to the molded line locating piece of third step；
Step 5: passing through the outer profile of linear cutter molded line locating piece；
Step 6: the outer profile of pincers worker polishing molded line locating piece and to carry out sharp edge blunt；
Step 7: Milling Process, mills counter boring on molded line face on the arc-shaped curved surface of "convex" shaped locating piece；
Step 8: pincers worker drills on counter boring, sharp edge is blunt, so far completes the processing to molded line locating piece 2；
Step 3: the assembling of cubing:
Molded line locating piece 2 is embedded into the open slot 4 of cone block 1, is tightened molded line locating piece 2 by fillister head screw 3
On cone block 1, so far, the processing of entire cubing is completed.
Specific embodiment 6: illustrate present embodiment in conjunction with Fig. 1 to Fig. 4, one the step of present embodiment in first
Step cone block blank dimension are as follows: 60mm × 57mm × 34mm cuboid, material are 45 steel.It is other composition and connection relationship with specifically
Embodiment one, two, three, four or five are identical.
Specific embodiment 7: illustrate present embodiment in conjunction with Fig. 1 to Fig. 4, one the step of present embodiment in the 4th
Step heat treatment hardness is HRC30.So set, convenient for being connected to steel pipe.Other compositions and connection relationship and specific embodiment
One, two, three, four, five or six are identical.
Specific embodiment 8: illustrate present embodiment in conjunction with Fig. 1, Fig. 2, Fig. 5 and Fig. 6, two the step of present embodiment
First step molded line locating piece blank dimension are as follows: 45mm × 40mm × 25mm cuboid, material be 45 steel.Other compositions and company
It is identical to meet relationship and specific embodiment one, two, three, four, five, six or seven.
Specific embodiment 9: illustrate present embodiment in conjunction with Fig. 1, Fig. 2, Fig. 5 and Fig. 6, two the step of present embodiment
In the 4th step heat treatment hardness be HRC33.Other compositions and connection relationship and specific embodiment one, two, three, four, five,
Six, seven or eight is identical.
In use, specific implementation process is as follows by the present invention:
Step 1: the processing of cone block 1:
Step 1: rough forging, cutter hub blank dimension are as follows: 60mm × 57mm × 34mm cuboid, material are 45 steel；
Step 2: Milling Process, mill six face of cuboid, by blank dimension 60mm be successively machined to 55.5mm, 57mm,
50.5mm, 34mm and 27mm；
Step 3: linear cutter, roughing is carried out to the open slot 4 of cone block 1, cuts open slot 4, single side high-volume 3mm,
Sharp corner R connection；
Step 4: heat treatment hardness is to HRC28-32, and carry out sandblasting；
Step 5: plain grinding is ground, six face of grinding core block is milled to 55mm × 50mm × 26.5mm, each face depth of parallelism 0.01, vertically
Degree 0.01, goes magnetic treatment；
Step 6: linear cutter, finishes open slot 4, guarantee size 35mm-35.025,9.98mm-
10.02mm and empty knife 1 × 1 are quasi-, and slot bottom 9.98mm-10.02mm stays mill amount 0.3mm；
Step 7: pincers worker polishes each face of groove；
Step 8: plain grinding is processed, mill bed-plate dimension 9.98mm-10.02mm is quasi-；
Step 9: NC milling, mill concave arc curved surface 5, guarantee R485.5mm ± 0.05,34.17mm ± 0.02,
33.883mm ± 0.02 is quasi-；
Step 10: pincers worker polishes concave arc curved surface 5；
Step 11: sharp edge is blunt, beats figure number；
Step 2: the processing of molded line locating piece 2:
Step 1: rough forging, the size of molded line locating piece 2 are as follows: 45mm × 40mm × 25mm cuboid, material 45
Steel；
Step 2: Milling Process, the milling two sides blank dimension 25mm to 20.5mm；
Step 3: heat treatment hardness is HRC31-35, and carry out sandblasting；
Step 4: plain grinding is processed, the two sides 20mm is ground, flatness 0.01mm goes magnetic treatment；
Step 5: the outer contour shape of linear cutter molded line locating piece 2,34.989mm-35mm stay polished amount 0.01mm,
18mm ± 0.02 is quasi- by upper difference processing；
Step 6: pincers worker the polishing each portion of molded line locating piece 2, sharp edge is blunt；
Step 7: Milling Process, counter boring at Ф 12 is milled on molded line face；
12/ Ф 7 of Ф step 8: pincers worker drills, sharp edge is blunt；
Step 3: cubing assembling:
Collection cone block 1, molded line locating piece 2 and fillister head screw 3, and block 1 and molded line locating piece 2 will be bored by Fig. 1 and assembled, root
According to the hole site of Φ 7 in molded line locating piece 2, then the M6 threaded hole 6 of processing cone block 1 will bore 1 He of block using fillister head screw 3
Molded line locating piece 2 is integrally connected.
Claims (9)
1. a kind of fabricated blade finishes cubing, it is characterised in that: it includes cone block (1), molded line locating piece (2) and socket cap
Screw (3), cone block (1) are equipped with open slot (4), and molded line locating piece (2) is "convex" shaped locating piece, and "convex" shaped locating piece
Upper surface be arc-shaped curved surface, molded line locating piece (2) is embedded into the open slot (4) of cone block (1), and arc-shaped curved surface is installed upward
In the open slot (4) of cone block (1), connected between molded line locating piece (2) and cone block (1) by fillister head screw (3).
2. a kind of fabricated blade according to claim 1 finishes cubing, it is characterised in that: open slot (4) is rectangle
Open slot.
3. a kind of fabricated blade according to claim 2 finishes cubing, it is characterised in that: the integral shroud of blade is to be detected
The upper surface arc-shaped curved surface of curved surface and "convex" shaped locating piece matches.
4. a kind of fabricated blade according to claim 1,2 or 3 finishes cubing, it is characterised in that: on rear side of cone block (1)
End face be concave arc curved surface (5).
5. a kind of processing method of fabricated blade finishing cubing, it is characterised in that: it the following steps are included:
Step 1: processing cone block (1):
Step 1: forging cone block blank；
Step 2: carrying out Milling Process to cone block blank；
Step 3: processing open slot (4) on cone block blank using wire cutting；
Step 4: the cone block blank to third step is heat-treated, heat treatment hardness HRC28-32, then carry out sandblasting；
Step 5: plain grinding is ground and goes magnetic treatment；
Step 6: being finished using wire cutting to open slot (4)；
Step 7: each plane of pincers worker polishing open slot (4)；
Step 8: the bottom surface of plain grinding cone block；
Step 9: numerical control milling concave arc curved surface (5)；
Step 10: pincers worker polishing concave arc curved surface (5)；
Step 11: falling blunt by the cone block progress sharp edge of the tenth step and beating figure number, the processing to cone block (1) is so far completed；
Step 2: processing molded line locating piece (2)；
Step 1: forging molded line locating piece blank；
Step 2: carrying out Milling Process to molded line locating piece；
Step 3: be heat-treated to the molded line locating piece after milling, heat treatment hardness HRC31-35, and to heat treatment after
Molded line locating piece carries out sandblasting；
Step 4: carrying out plain grinding processing and magnetic treatment to the molded line locating piece of third step；
Step 5: passing through the outer profile of linear cutter molded line locating piece；
Step 6: the outer profile of pincers worker polishing molded line locating piece and to carry out sharp edge blunt；
Step 7: Milling Process, mills counter boring on molded line face on the arc-shaped curved surface of "convex" shaped locating piece；
Step 8: pincers worker drills on counter boring, sharp edge is blunt, so far completes the processing to molded line locating piece (2)；
Step 3: the assembling of cubing:
Molded line locating piece (2) is embedded into the open slot (4) of cone block (1), by fillister head screw (3) by molded line locating piece
(2) it is tightened on cone block (1), so far, completes the processing of entire cubing.
6. a kind of processing method of fabricated blade finishing cubing according to claim 5, it is characterised in that: step 1
In the first step bore block blank dimension are as follows: 60mm × 57mm × 34mm cuboid, material be 45 steel.
7. a kind of processing method of fabricated blade finishing cubing according to claim 6, it is characterised in that: step 1
In the 4th step heat treatment hardness be HRC30.
8. a kind of processing method of fabricated blade finishing cubing according to claim 7, it is characterised in that: step 2
First step molded line locating piece blank dimension are as follows: 45mm × 40mm × 25mm cuboid, material be 45 steel.
9. a kind of processing method of fabricated blade finishing cubing according to claim 8, it is characterised in that: step 2
In the 4th step heat treatment hardness be HRC33.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811114467.3A CN109176344A (en) | 2018-09-25 | 2018-09-25 | A kind of processing method of fabricated blade finishing cubing and the cubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811114467.3A CN109176344A (en) | 2018-09-25 | 2018-09-25 | A kind of processing method of fabricated blade finishing cubing and the cubing |
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| Publication Number | Publication Date |
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| CN109176344A true CN109176344A (en) | 2019-01-11 |
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ID=64909780
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811114467.3A Pending CN109176344A (en) | 2018-09-25 | 2018-09-25 | A kind of processing method of fabricated blade finishing cubing and the cubing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332985A (en) * | 2019-07-24 | 2019-10-15 | 哈尔滨汽轮机厂有限责任公司 | A kind of Blade measuring frequency tooling and its processing method |
| CN111230429A (en) * | 2019-07-02 | 2020-06-05 | 苏州中佳精密机械有限公司 | Method for processing brake block for airplane |
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| CN201287288Y (en) * | 2008-09-29 | 2009-08-12 | 中国北车集团大连机车研究所有限公司 | Clamp for machining pressure booster turbine bucket tenon tooth for diesel locomotive |
| CN205085863U (en) * | 2015-09-24 | 2016-03-16 | 中航商用航空发动机有限责任公司 | Aeroengine blade clamping device |
| CN108161354A (en) * | 2017-12-25 | 2018-06-15 | 哈尔滨汽轮机厂有限责任公司 | A kind of processing method of diclinic degree radial direction calibrated bolck |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100456731B1 (en) * | 2002-04-20 | 2004-11-10 | 윤성환 | Piston crown electroplating apparatus |
| CN201287288Y (en) * | 2008-09-29 | 2009-08-12 | 中国北车集团大连机车研究所有限公司 | Clamp for machining pressure booster turbine bucket tenon tooth for diesel locomotive |
| CN205085863U (en) * | 2015-09-24 | 2016-03-16 | 中航商用航空发动机有限责任公司 | Aeroengine blade clamping device |
| CN108161354A (en) * | 2017-12-25 | 2018-06-15 | 哈尔滨汽轮机厂有限责任公司 | A kind of processing method of diclinic degree radial direction calibrated bolck |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230429A (en) * | 2019-07-02 | 2020-06-05 | 苏州中佳精密机械有限公司 | Method for processing brake block for airplane |
| CN111230429B (en) * | 2019-07-02 | 2021-11-16 | 苏州中佳精密机械有限公司 | Method for processing brake block for airplane |
| CN110332985A (en) * | 2019-07-24 | 2019-10-15 | 哈尔滨汽轮机厂有限责任公司 | A kind of Blade measuring frequency tooling and its processing method |
| CN110332985B (en) * | 2019-07-24 | 2021-08-17 | 哈尔滨汽轮机厂有限责任公司 | Blade frequency measurement tool and machining method thereof |
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