CN115229615A - Grinding platform for bent and twisted blade - Google Patents

Grinding platform for bent and twisted blade Download PDF

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Publication number
CN115229615A
CN115229615A CN202210826405.5A CN202210826405A CN115229615A CN 115229615 A CN115229615 A CN 115229615A CN 202210826405 A CN202210826405 A CN 202210826405A CN 115229615 A CN115229615 A CN 115229615A
Authority
CN
China
Prior art keywords
blade
shaft
plate
slat
adjusting screw
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.)
Pending
Application number
CN202210826405.5A
Other languages
Chinese (zh)
Inventor
周婷婷
赵磊
杨槐
沈健青
杨震宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Qilu Motor Manufacturing Co Ltd
Original Assignee
Shandong Qilu Motor Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Qilu Motor Manufacturing Co Ltd filed Critical Shandong Qilu Motor Manufacturing Co Ltd
Priority to CN202210826405.5A priority Critical patent/CN115229615A/en
Publication of CN115229615A publication Critical patent/CN115229615A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/14—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or 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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • 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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/02—Frames; Beds; Carriages
    • 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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • 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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
    • 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
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
    • 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
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

The invention discloses a grinding platform for a twisted blade, which belongs to the technical field of blade machining equipment and comprises a bottom plate, a middle supporting plate and an upper supporting plate, wherein two lower shaft end supports are arranged at the end part of the bottom plate, two ends of a long rotating shaft are respectively rotatably connected with the two lower shaft end supports, the middle supporting plate is fixed on the long rotating shaft through two shaft middle supports at the bottom, a middle plate U-shaped groove is formed in the side edge of the middle supporting plate, a lower adjusting screw matched with the middle plate U-shaped groove is arranged on the bottom plate, an upper adjusting screw and a rotating support are respectively arranged at two ends of the middle supporting plate, an upper plate U-shaped groove matched with the upper adjusting screw is arranged at one end of the upper supporting plate, the other end of the upper supporting plate is connected with the rotating support through an upper shaft support, a blade root batten and a blade crown batten are respectively arranged at two ends of the upper supporting plate, the clamping for the twisted blade is quickly finished, and the twisted blade is adjusted in a multi-dimensional and multi-angle through the upper adjusting screw matched with the lower adjusting screw and the shaft middle support.

Description

Grinding platform for bent and twisted blade
Technical Field
The invention belongs to the technical field of blade machining equipment, and particularly relates to a grinding platform for a twisted blade.
Background
The blade is a core component of devices such as an engine, a steam turbine and the like, and is a most typical difficult-to-machine structural member due to a complex curved surface structure and a harsh application environment. Certain allowance is reserved after the blank blade is manufactured by the die, and the blade can be put into use only by grinding and polishing.
At present, a blade grinding mode is performed by combining a sine gauge and a magnetic sucker in China, a combined body of the sine gauge and the magnetic sucker is fixed on a workbench surface of a grinding machine, a sucker handle is pulled by a wrench to rotate, so that a copper magnetic force system in the sucker is changed, the machined workpiece is sucked and released, the magnetic sucker sucks the blade, the blade is clamped and fixed, and a cutter grinds the blade.
The blade grinding mode of the sine gauge and the magnetic chuck only can clamp straight blades, the clamping mode of each stage of the blade is simple, the surface to be processed is unique, and the blade grinding angle cannot be adjusted. However, the cross section of the twisted blade having a large aspect ratio is a complicated curved surface, and the magnetic chuck cannot be held and clamped. Due to the objective factors of the structure of the cranked blade, the prior art cannot meet the requirements of clamping and polishing angle adjustment of the cranked blade.
Disclosure of Invention
In order to overcome the defects that the cranked blade cannot be clamped and the grinding angle cannot be adjusted in the prior art, the invention provides the cranked blade grinding platform, which is used for clamping the cranked blade and improving the quality and efficiency of grinding the cranked blade.
The technical scheme adopted by the invention for solving the technical problem is as follows: the utility model provides a turn round blade coping platform, includes bottom plate, well backup pad and goes up the backup pad the bottom plate tip sets up two lower shaft end supports, two lower shaft end support be mirror symmetry and sets up, long axis of rotation both ends rotate with two lower shaft end supports respectively and be connected, well backup pad is fixed in long axis of rotation through two axle middle support in the bottom, well backup pad side is equipped with medium plate U type groove be equipped with on the bottom plate with medium plate U type groove assorted lower adjusting screw the last both ends of well backup pad set up adjusting screw and rotating support respectively, go up backup pad one end be equipped with last adjusting screw assorted upper plate U type groove, go up the backup pad other end and pass through epaxial support connection rotating support go up both ends and set up blade root slat and leaf crown slat respectively in the backup pad.
As a further improvement of the invention, the two shaft middle brackets are arranged in mirror symmetry, and the long rotating shaft is provided with a long-shaft square pin groove matched with the shaft middle brackets.
As a further improvement of the invention, the lower adjusting screw and the upper adjusting screw have the same structure and both comprise screws, the upper part of each screw is provided with an upper nut and a lower nut, and the lower part of each screw is provided with a fixed sleeve.
As a further improvement of the invention, the rotating bracket comprises two upper shaft end brackets which are arranged in a mirror symmetry manner, two ends of the short rotating shaft are respectively connected with the two upper shaft end brackets in a rotating manner, and the short rotating shaft is provided with a short-shaft square pin groove matched with the upper shaft brackets.
As a further improvement of the invention, the shaft upper bracket and the shaft middle bracket have the same structure and both comprise a shaft upper fixing plate and a shaft lower fixing plate.
As a further improvement of the invention, two groups of middle plate U-shaped grooves are respectively arranged on two sides of the middle support plate, and the two groups of middle plate U-shaped grooves are arranged in a staggered manner.
As a further improvement of the invention, the upper supporting plate is provided with two upper plate U-shaped grooves which are arranged in a mirror symmetry manner.
As a further improvement of the invention, the blade root slat and the blade shroud slat are arranged in parallel, and the blade root slat and the blade shroud slat have the same structure and are in mirror symmetry on a parallel axis.
As a further improvement of the invention, the blade root slat and the blade shroud slat both comprise bases provided with sliding grooves, two fixing frames are arranged on the bases, pushing blocks are arranged on the inner sides of the two fixing frames, the pushing blocks are fixed on the fixing frames through adjusting bolts, and the bottoms of the pushing blocks are provided with running rails matched with the sliding grooves.
Compared with the prior art, the invention has the following beneficial effects: through blade root slat and the blade shroud slat on the last backup pad, accomplish the turn-buckle blade clamping fast, through adjusting screw multi-dimension, the adjustment turn-buckle blade of multi-angle on the support cooperation of epaxial support cooperation adjusting screw under the support cooperation in the axle, greatly improved the quality and the efficiency of turn-buckle blade coping.
Drawings
The invention is further described with reference to the following figures and detailed description.
FIG. 1 is a perspective view of a platform for grinding twisted blades according to the present invention.
FIG. 2 is a front view of a platform for grinding twisted blades in accordance with the present invention.
FIG. 3 is a top view of a platform for thinning twisted blades in accordance with the present invention.
Fig. 4 is a schematic structural view of the support plate of the present invention.
Fig. 5 is a schematic structural view of an upper support plate according to the present invention.
Fig. 6 is a schematic structural view of the lower shaft end bracket of the invention.
Fig. 7 is a schematic structural view of a long rotating shaft according to the present invention.
Fig. 8 is a schematic view of the structure of the bracket in the shaft of the present invention.
Fig. 9 is a schematic view of the structure of the lower adjusting screw of the present invention.
Fig. 10 is a schematic structural view of the rotating bracket of the invention.
Fig. 11 is a schematic view of the connection structure of the rotating bracket and the bracket on the shaft according to the present invention.
Fig. 12 shows a schematic view of the construction of the blade root strip according to the invention.
In the figure: 1. a base plate; 2. a middle support plate; 3. an upper support plate; 4. a lower shaft end bracket; 5. a long rotating shaft; 51. a long-axis square pin slot; 6. a shaft-in-bracket; 7. a middle plate U-shaped groove; 8. adjusting the screw rod downwards; 9. an upper adjusting screw; 10. rotating the bracket; 11. an upper plate U-shaped groove; 12. a bracket on the shaft; 13. a blade root slat; 14. a tip shroud slat; 15. an upper shaft end bracket; 16. a short rotating shaft; 17. a short axis square pin slot; 18. a shaft upper fixing plate; 19. a shaft lower fixing plate; 20. a base; 21. a chute; 22. a fixed mount; 23. a push block; 24. adjusting the bolt; 25. a row rail; 26. a screw; 27. screwing a nut; 28. a lower nut; 29. and fixing the sleeve.
Detailed Description
In order to make the technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following specific embodiments.
Referring to fig. 1, 2 and 3, the embodiment of the invention discloses a cranked blade grinding platform, which comprises a bottom plate 1, a middle support plate 2 and an upper support plate 3, wherein two lower shaft end supports 4 which are in mirror symmetry are arranged at the end part of the bottom plate 1, two ends of a long rotating shaft 5 are respectively rotatably connected with the two lower shaft end supports 4, the middle support plate 2 is fixed on the long rotating shaft 5 through the two shaft middle supports 6 at the bottom, a middle plate U-shaped groove 7 is arranged at the side edge of the middle support plate 2, a lower adjusting screw 8 matched with the middle plate U-shaped groove 7 is arranged on the bottom plate 1, an upper adjusting screw 9 and a rotating support 10 are respectively arranged at two ends of the middle support plate 2, an upper plate U-shaped groove 11 matched with the upper adjusting screw 9 is arranged at one end of the upper support plate 3, the other end of the upper support plate 3 is connected with the rotating support 10 through an upper shaft support 12, and blade root slats 13 and blade crown slats 14 are respectively arranged at two ends of the upper support plate 3.
Place the cranked blade on blade root slat 13 and shroud slat 14, accomplish the cranked blade and press from both sides the dress, adjusting screw 8 about backup pad 2 in the regulation, the angular rotation of driving long axis of rotation 5, adjust the angle of needs, long axis of rotation 5's angle modulation back, confirm the angle of backup pad 3 on the runing rest 10 upper portion, adjusting screw 9 on adjusting earlier, the angular rotation that drives backup pad 3 is up to required angle, cranked blade coping platform angular adjustment is accomplished, adjust the angle that grinding machine tool processing needs again. After the clamping of the crankling blade and the angle adjustment of the cutter of the grinding machine are finished, workers can conveniently and quickly grind the crankling blade.
Referring to fig. 2, 6, 7 and 8, the two shaft center brackets 6 are arranged in mirror symmetry, the two ends of the long rotating shaft 5 are rotatably connected with the lower shaft end bracket 4, and the long rotating shaft 5 is provided with a long-shaft square pin slot 51 matched with the shaft center bracket 6. The shaft middle bracket 6 and the upper bracket 12 have the same structure and comprise a shaft upper fixing plate 18 and a shaft lower fixing plate 19. The upper fixing plate 18 and the lower shaft fixing plate 19 are clamped with the long-shaft square pin grooves 51 and are fixed through bolts, so that the middle supporting plate 2 rotates along with the long rotating shaft 5 through the shaft middle support 6, and angle adjustment is achieved.
Referring to fig. 1 and 9, the lower adjusting screw 8 and the upper adjusting screw 9 have the same structure, and each of them includes a screw 26, an upper nut 27 and a lower nut 28 are provided on the upper portion of the screw 26, and a fixing sleeve 29 is provided on the lower portion of the screw 26. The fixing sleeve 29 plays a role in fixing and reinforcing, the upper nut 27 and the lower nut 28 on the upper portion of the screw rod 26 are clamped on the upper end face and the lower end face of the middle plate U-shaped groove 7, and the middle support plate 2 or the upper support plate 3 is fixed by adjusting the heights of the upper nut 27 and the lower nut 28.
Referring to fig. 8, 10 and 11, the rotating bracket 10 includes two upper shaft end brackets 15, the two upper shaft end brackets 15 are arranged in mirror symmetry, two ends of the short rotating shaft 16 are respectively rotatably connected with the two upper shaft end brackets 15, and a short-axis square pin slot 17 matched with the upper shaft bracket 12 is arranged on the short rotating shaft 16. The upper bracket 12 and the shaft bracket 6 have the same structure and comprise an upper shaft fixing plate 18 and a lower shaft fixing plate 19. And the structure matching principle of the rotating bracket 10, the bottom lower shaft end bracket 4, the long rotating shaft 5 and the shaft middle bracket 6 is consistent.
Referring to fig. 4 and 5, two middle plate U-shaped grooves 7 are respectively disposed on two sides of the middle support plate 2, and the two middle plate U-shaped grooves 7 are alternately disposed. Crisscross medium plate U type groove 7 that sets up in both sides, adjusting screw 8 under the cooperation for it is more firm to fix, sets up two upper plate U type grooves 11 on going up backup pad 3, and two upper plate U type grooves 11 are mirror symmetry and set up. Through two upper plate U type grooves 11 cooperation adjusting screw 9, the adjustment fixed stay for it is more firm to fix.
Referring to fig. 3 and 12, the blade root slat 13 and the shroud slat 14 are arranged in parallel, and the blade root slat 13 and the shroud slat 14 have the same structure and are mirror images on parallel axes. The blade root slat 13 and the blade shroud slat 14 both comprise a base 20 provided with a sliding groove 21, two fixing frames 22 are arranged on the base 20, pushing blocks 23 are arranged on the inner sides of the two fixing frames 22, the pushing blocks 23 are fixed on the fixing frames 22 through adjusting bolts 24, and a traveling rail 25 matched with the sliding groove 21 is arranged at the bottom of each pushing block 23.
The cranked blade is determined to be polished, the blade root batten 13 and the blade shroud batten 14 are identical in structure and are in mirror symmetry on parallel axes, the cranked blade is matched with the shape of the cranked blade, the cranked blade is placed in a V-shaped groove formed by the two push blocks 23, and the adjusting bolts 24 are adjusted to enable the push blocks 23 to clamp the cranked blade, so that the clamping of the cranked blade is completed. Adjusting screw 8's last nut 27 and lower nut 28 under the middle plate U type groove 7 in 2 middle supporting plates of regulation, the angular rotation of driving the long axis of rotation 5, adjust the angle that needs, screw up last nut 27 and lower nut 28 on the screw rod 26, fixed angle, the back is transferred to the angle of middle supporting plate 2, the angle of backup pad 3 is gone up in the affirmation, adjust earlier and go up backup pad 3 and serve the height of last nut 27 and lower nut 28 on adjusting screw 9 in one end upper plate U type groove 11, the angular rotation that drives backup pad 3 is up to required angle, fixed angle. After the clamping of the bent and twisted blade and the angle adjustment of the grinding platform are finished, workers can conveniently and quickly grind the bent and twisted blade.
It should be understood that the specific embodiments described herein are for the purpose of illustration only and are not intended to limit the invention, and that all other embodiments which can be made by those skilled in the art without making any inventive contribution thereto will fall within the scope of the present invention.

Claims (9)

1. The utility model provides a turn round blade coping platform which characterized in that: including bottom plate (1), well backup pad (2) and last backup pad (3) bottom plate (1) tip sets up two lower shaft end support (4), two lower shaft end support (4) be mirror symmetry and set up, long axis of rotation (5) both ends rotate with two lower shaft end support (4) respectively and are connected, well backup pad (2) are fixed on long axis of rotation (5) through support (6) in two axles in the bottom, well backup pad (2) side is equipped with medium plate U type groove (7) be equipped with on bottom plate (1) with medium plate U type groove (7) assorted lower adjusting screw (8) well backup pad (2) are gone up both ends and are set up adjusting screw (9) and rotating support (10) respectively, go up backup pad (3) one end and be equipped with and go up adjusting screw (9) assorted upper plate U type groove (11), go up backup pad (3) other end and connect rotating support (10) through epaxial support (12) go up both ends and set up backup pad (3) upper ends and set up slat (13) and leaf crown slat (14) respectively.
2. The cranked blade sharpening platform according to claim 1, wherein: the two shaft middle supports (6) are arranged in mirror symmetry, and long-axis square pin grooves (51) matched with the shaft middle supports (6) are formed in the long rotating shaft (5).
3. The cranked blade coping platform according to claim 1, wherein: the lower adjusting screw (8) and the upper adjusting screw (9) are identical in structure and respectively comprise a screw (26), an upper nut (27) and a lower nut (28) are arranged on the upper portion of the screw (26), and a fixing sleeve (29) is arranged on the lower portion of the screw (26).
4. The cranked blade coping platform according to claim 1, wherein: the rotating support (10) comprises two upper shaft end supports (15), the two upper shaft end supports (15) are arranged in a mirror symmetry mode, two ends of a short rotating shaft (16) are rotatably connected with the two upper shaft end supports (15) respectively, and a short shaft square pin groove (17) matched with the upper shaft support (12) is formed in the short rotating shaft (16).
5. The cranked blade coping platform according to claim 4, wherein: the upper shaft bracket (12) and the middle shaft bracket (6) have the same structure and respectively comprise an upper shaft fixing plate (18) and a lower shaft fixing plate (19).
6. The cranked blade coping platform according to claim 1, wherein: two sides of the middle supporting plate (2) are respectively provided with a group of middle plate U-shaped grooves (7), and the two groups of middle plate U-shaped grooves (7) are arranged in a staggered mode.
7. The cranked blade coping platform according to claim 1, wherein: go up and set up two upper plate U type grooves (11) on backup pad (3), two upper plate U type groove (11) be mirror symmetry and set up.
8. The cranked blade coping platform according to claim 1, wherein: blade root slat (13) and blade shroud slat (14) parallel arrangement, blade root slat (13) and blade shroud slat (14) structure are the same and be mirror symmetry on the parallel axis.
9. The cranked blade coping platform according to claim 8, wherein: blade root slat (13) and leaf shroud slat (14) all include base (20) that are equipped with spout (21) set up two mount (22) on base (20), two mount (22) inboard is equipped with ejector pad (23), ejector pad (23) are fixed on mount (22) through adjusting bolt (24), ejector pad (23) bottom be equipped with spout (21) complex capable rail (25).
CN202210826405.5A 2022-07-14 2022-07-14 Grinding platform for bent and twisted blade Pending CN115229615A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210826405.5A CN115229615A (en) 2022-07-14 2022-07-14 Grinding platform for bent and twisted blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210826405.5A CN115229615A (en) 2022-07-14 2022-07-14 Grinding platform for bent and twisted blade

Publications (1)

Publication Number Publication Date
CN115229615A true CN115229615A (en) 2022-10-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210826405.5A Pending CN115229615A (en) 2022-07-14 2022-07-14 Grinding platform for bent and twisted blade

Country Status (1)

Country Link
CN (1) CN115229615A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101436436A (en) * 2007-11-16 2009-05-20 同济大学 Accurate one-dimensional rotary and two-dimensional tilting table
CN104191274A (en) * 2014-08-07 2014-12-10 南京赛达机械制造有限公司 Tool for double-center-hole machining device for steam turbine blade
CN206550691U (en) * 2017-03-27 2017-10-13 杭州汽轮机股份有限公司 One kind saw twisted blade afterbody inclined-plane can adjust fixture
CN207372891U (en) * 2017-07-25 2018-05-18 哈尔滨汽轮机厂有限责任公司 A kind of low magnetic pretwist blade grinding clamp for machining
WO2018166181A1 (en) * 2017-03-17 2018-09-20 山东大学 Flexible clamp and method for use in milling blades having large complex curved surfaces
CN209774353U (en) * 2019-03-07 2019-12-13 合肥天泰机电设备工程有限公司 Angle-adjustable plane grinding clamping device
CN110757283A (en) * 2019-10-16 2020-02-07 广州铁路职业技术学院（广州铁路机械学校） Corner polisher

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101436436A (en) * 2007-11-16 2009-05-20 同济大学 Accurate one-dimensional rotary and two-dimensional tilting table
CN104191274A (en) * 2014-08-07 2014-12-10 南京赛达机械制造有限公司 Tool for double-center-hole machining device for steam turbine blade
WO2018166181A1 (en) * 2017-03-17 2018-09-20 山东大学 Flexible clamp and method for use in milling blades having large complex curved surfaces
CN206550691U (en) * 2017-03-27 2017-10-13 杭州汽轮机股份有限公司 One kind saw twisted blade afterbody inclined-plane can adjust fixture
CN207372891U (en) * 2017-07-25 2018-05-18 哈尔滨汽轮机厂有限责任公司 A kind of low magnetic pretwist blade grinding clamp for machining
CN209774353U (en) * 2019-03-07 2019-12-13 合肥天泰机电设备工程有限公司 Angle-adjustable plane grinding clamping device
CN110757283A (en) * 2019-10-16 2020-02-07 广州铁路职业技术学院（广州铁路机械学校） Corner polisher

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