CN109986393A - Blade root positioning seat and its processing method - Google Patents
Blade root positioning seat and its processing method Download PDFInfo
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- CN109986393A CN109986393A CN201910310214.1A CN201910310214A CN109986393A CN 109986393 A CN109986393 A CN 109986393A CN 201910310214 A CN201910310214 A CN 201910310214A CN 109986393 A CN109986393 A CN 109986393A
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- dovetail groove
- main body
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- 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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- 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
- B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
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Abstract
Blade root positioning seat and its processing method, it is related to a kind of blade root positioning seat and its processing method.The invention aims to the existing blade root positioning seats of final result and its processing method there is a problem of that dovetail groove angle machining accuracy is poor, blade root positioning seat service life is short.Blade root positioning seat includes main body, boss, dovetail groove, stepped hole, pin hole, top threaded hole and bottom threaded hole；Boss is arranged in the two sides of main body；The leading flank of main body is arranged to circular conical surface；Dovetail groove is arranged in the circular conical surface of main body；In body upper surface, top threaded hole is set；In the two sides of dovetail groove, stepped hole is set；In the two sides of dovetail groove, pin hole is set；In body lower surface, bottom threaded hole is set.Processing method: one, hexahedron structure part is milled out；Two, modifier treatment；Three, six faces are ground；Four, dovetail groove is processed；Five, groove bottom is ground；Six, step, milling circular conical surface are milled；Bore counterbore；Seven, it bores and attacks stepped hole, top threaded hole, pin hole and bottom threaded hole.Present invention is mainly used for processing blade root positioning seats.
Description
Technical field
The present invention relates to a kind of blade root positioning seat and its processing methods.
Background technique
Blade root positioning seat is the important positioning element that numerical control milling machine tool uses when processing turbine blade, the component ruler
Very little design accuracy is high, and positioning groove is spatial fit angled arrangement, takes effective process, completes by design accuracy requirement
The value processing of the component must be probed into.Existing blade root positioning seat and its processing method there are dovetail groove angle machining accuracies poor, blade root
The short problem of positioning seat service life.
Summary of the invention
The invention aims to the existing blade root positioning seat of final result and its processing method, there are dovetail groove angle machining accuracies
Difference, the short problem of blade root positioning seat service life, and a kind of blade root positioning seat and its processing method are provided.
Blade root positioning seat includes main body, 2 boss, dovetail groove, 4 stepped holes, 2 pin holes, top threaded hole and 2 bottom spiral shells
Pit；
1 boss is respectively arranged in the two sides of main body, and the trailing flank of 2 boss of guarantee and the trailing flank of main body are in same plane
On；
The leading flank of main body is arranged to circular conical surface；
Dovetail groove is arranged in the circular conical surface of main body, and dovetail groove runs through the upper and lower surfaces of main body, and dovetail groove inclination is set
It sets, the left side of body upper surface is arranged in the upper end of dovetail groove, and the right side of body lower surface is arranged in the lower end of dovetail groove；
In the left side of body upper surface setting top threaded hole；
In the circular conical surface of main body, the two sides of dovetail groove, 2 stepped holes are respectively set；
In the circular conical surface of main body, the two sides of dovetail groove, 1 pin hole is respectively set；
In the two sides of the lower end of body lower surface, dovetail groove, 1 bottom threaded hole is respectively set.
The processing method of blade root positioning seat, is specifically completed according to the following steps:
One, in vertical knee-type milling machine, 40Cr blank is milled into six faces by 133.5mm × 52.5mm × 45.5mm, each face is vertical, obtains
Hexahedron structure part；
Two, modifier treatment is carried out to hexahedron structure part, being heat-treated to hardness is HRC31~35, is tied after being heat-treated
Component；
Three, in surface grinding machine, six faces are ground by 133mm × 52 ± 0.02mm × 45mm to structural member after heat treatment, and opposite
Face ∥ 0.01mm, adjacent surface ⊥ 0.01mm, obtains cutter member to be cut；
Four, cutter member to be cut is fixed on wire cutting machine tool, processes dovetail groove in the leading flank of cutter member to be cut, dovetail groove passes through
The upper and lower surfaces of cutter member to be cut are worn, and dovetail groove is obliquely installed, inclined angle beta is 38 ° 44 ', the upper end of dovetail groove
The left side of cutter member upper surface to be cut is arranged in portion, and the right side of cutter member lower surface to be cut, dovetail groove is arranged in the lower end of dovetail groove
Slot bottom width is 25.828mm, and dovetail groove angle [alpha] is 75 °, and there are more than 0.3mm for the lower end of the groove bottom of dovetail groove and dovetail groove
Amount, obtains thick oat tail groove structure part；
Five, the groove bottom with oat tail groove structure part is ground in surface grinding machine, guarantees the lower end groove depth of dovetail groove
Greater than upper end groove depth, and the trailing flank angle γ of the groove bottom of dovetail groove and main body is 2 ° 6 ' 38 ", obtain oat tail groove structure
Part；
Six, oat tail groove structure part is fixed on CNC milling machine, platform is milled by 20mm × 18mm to oat tail groove structure part two sides
Rank, 5mm × 45 ° chamfering in the same plane, and is pressed in the trailing flank of the trailing flank and main body that guarantee 2 boss, then by dovetail
The front side facing cut circular conical surface 3 of slot structure part guarantees that the angle of circular conical surface 3 and normal is 2 ° 18 ' 14 "；In structural member hole to be drilled
Circular conical surface, dovetail groove two sides respectively bore 2 counterbores, obtain structural member hole to be drilled；
Seven, hole structure part is treated using pincers worker bore and attack, 4 counterbores brill is tapping into 4 stepped holes, in knot hole to be drilled
It bores and attacks 1 top threaded hole in the left side of the upper surface of component；It respectively bores in the circular conical surface of structural member hole to be drilled, the two sides of dovetail groove and attacks 1
A pin hole；It respectively bores in the lower surface of structural member hole to be drilled, the two sides of the lower end of dovetail groove and attacks 1 bottom threaded hole；Each sharp edge falls
It is blunt, printing figure number mark.
The principle of the invention and advantage: one, it is positioned when the purposes of of the present invention blade root positioning seat be milling turbine blade parts
The component of blade root, the other components such as blade root positioning seat and bottom plate constitute milling turbine blade positioning fixture, setting table
The purpose in rank hole be using attachment screw by blade root positioning seat tightly on bottom plate, be arranged pin hole purpose be utilize straight pin general
Blade root positioning seat accurately positions one with bottom plate, pushes up threaded hole and bottom threaded hole purposes is to utilize holding screw and end surface press plate
In the turbine blade of dovetail groove both ends end face location and installation, the purpose that dovetail groove is obliquely installed is the tilt angle and blade and blade
Root angle is consistent, guarantees positioning accuracy request；Two, it can satisfy milling turbine blade when blade root positioning seat of the present invention is applied
When positioning accuracy, and blade is batch processing components, when the turbine blade of the same size of batch machining, using dovetail
Slot quickly positions, improves processing efficiency；Three, through practical application, good (the dovetail groove angle of blade root positioning seat using effect of the present invention
Within dimensional machining accuracy reachable ± 3 ', within dimensional machining accuracy is up to 0.02mm), it meets design accuracy and requires, effectively
It ensure that the dovetail groove dimensioned essence of the component；Four, blade root positioning seat of the present invention selects 40Cr material, so that it is with higher
Wear resistance；It carries out being heat-treated to hardness behind six face of roughing being HRC31~35, so that each face surface hardness of dovetail groove is equal
It is even, prolong the service life.
Detailed description of the invention
Fig. 1 is the main view of blade root positioning seat, and 1 expression main body in figure in figure, 2 indicate boss, and 4 indicate dovetail grooves, and 5 indicate
Stepped hole, 6 indicate pin hole, and 8 indicate bottom threaded hole；
Fig. 2 is the top view of blade root positioning seat, and 1 expression main body in figure, 2 indicate boss, and 7 indicate top threaded holes；
Fig. 3 is the left view of blade root positioning seat, 3 expression circular conical surfaces in figure；
Fig. 4 be Fig. 1 along the sectional view of A-A, in figure 4 indicate dovetail groove；
Fig. 5 is the B direction view of Fig. 4,4 expression dovetail grooves in figure.
Specific embodiment
Specific embodiment 1: present embodiment is blade root positioning seat such as Fig. 1 to 5, it include 1,2 boss 2 of main body,
The stepped hole 5,2 of dovetail groove 4,4 pin hole 6, top threaded hole 7 and 2 bottom threaded hole 8；
The two sides of main body 1 are respectively arranged 1 boss 2, and guarantee the trailing flank of the trailing flanks of 2 boss 2 and main body 1 same
In plane；
The leading flank of main body 1 is arranged to circular conical surface 3；
Dovetail groove 4 is arranged in the circular conical surface 3 of main body 1, and dovetail groove 4 runs through the upper and lower surfaces of main body 1, and dovetail groove 4
It is obliquely installed, the left side on surface on the body 1 is arranged in the upper end of dovetail groove 4, and the lower end of dovetail groove 4 is arranged under main body 1
The right side on surface；
The left side setting top threaded hole 7 on surface on the body 1；
In the circular conical surface 3 of main body 1, the two sides of dovetail groove 4,2 stepped holes 5 are respectively set；
In the circular conical surface 3 of main body 1, the two sides of dovetail groove 4,1 pin hole 6 is respectively set；
In the two sides of 1 lower surface of main body, the lower end of dovetail groove 4,1 bottom threaded hole 8 is respectively set.
Specific embodiment 2: the difference of present embodiment and specific embodiment one is: the circular conical surface 3 such as Fig. 3
Angle with normal is 2 ° 18 ' 14 ".Other are same as the specific embodiment one.
Specific embodiment 3: one of present embodiment and specific embodiment one or two difference are: described such as Fig. 5
The dovetail groove angle [alpha] of dovetail groove 4 is 75 °.Other are the same as one or two specific embodiments.
Specific embodiment 4: one of present embodiment and specific embodiment one to three difference are: described such as Fig. 4
The lower end groove depth of dovetail groove 4 is greater than upper end groove depth, and the trailing flank angle γ of the groove bottom of dovetail groove 4 and main body 1 is 2 °
6′38″.Other are identical as specific embodiment one to three.
Specific embodiment 5: one of present embodiment and specific embodiment one to four difference are: described such as Fig. 1
The inclined angle beta of dovetail groove 4 is 38 ° 44 '.Other are identical as specific embodiment one to four.
Specific embodiment 6: such as Fig. 1 to 5, present embodiment is the processing method of blade root positioning seat, specifically by following
What step was completed:
One, in vertical knee-type milling machine, 40Cr blank is milled into six faces by 133.5mm × 52.5mm × 45.5mm, each face is vertical, obtains
Hexahedron structure part；
Two, modifier treatment is carried out to hexahedron structure part, being heat-treated to hardness is HRC31~35, is tied after being heat-treated
Component；
Three, in surface grinding machine, six faces are ground by 133mm × 52 ± 0.02mm × 45mm to structural member after heat treatment, and opposite
Face ∥ 0.01mm, adjacent surface ⊥ 0.01mm, obtains cutter member to be cut；
Four, cutter member to be cut is fixed on wire cutting machine tool, processes dovetail groove 4, dovetail groove 4 in the leading flank of cutter member to be cut
Through the upper and lower surfaces of cutter member to be cut, and dovetail groove 4 is obliquely installed, and inclined angle beta is 38 ° 44 ', dovetail groove 4
The left side of cutter member upper surface to be cut is arranged in upper end, and the right side of cutter member lower surface to be cut, swallow is arranged in the lower end of dovetail groove 4
4 slot bottom width of stern notch is 25.828mm, and dovetail groove angle [alpha] is 75 °, the lower end of the groove bottom of dovetail groove 4 and dovetail groove 4 there are
0.3mm surplus obtains thick oat tail groove structure part；
Five, the groove bottom with oat tail groove structure part is ground in surface grinding machine, guarantees the lower end groove depth of dovetail groove 4
Greater than upper end groove depth, and the trailing flank angle γ of the groove bottom of dovetail groove 4 and main body 1 is 2 ° 6 ' 38 ", obtain oat tail groove structure
Part；
Six, oat tail groove structure part is fixed on CNC milling machine, platform is milled by 20mm × 18mm to oat tail groove structure part two sides
5mm × 45 ° chamfering in the same plane, and is pressed in the trailing flank of rank 2, the trailing flank for guaranteeing 2 boss 2 and main body 1, then by swallow
The front side facing cut circular conical surface 3 of tail-groove structure part guarantees that the angle of circular conical surface 3 and normal is 2 ° 18 ' 14 "；In structural member hole to be drilled
Circular conical surface 3, dovetail groove 4 two sides respectively bore 2 counterbores, obtain structural member hole to be drilled；
Seven, hole structure part is treated using pincers worker bore and attack, 4 counterbores brill is tapping into 4 stepped holes 5, hole to be drilled
It bores and attacks 1 top threaded hole 7 in the left side of the upper surface of structural member；It is each in the circular conical surface 3 of structural member hole to be drilled, the two sides of dovetail groove 4
Brill attacks 1 pin hole 6；It respectively bores in the lower surface of structural member hole to be drilled, the two sides of the lower end of dovetail groove 4 and attacks 1 bottom threaded hole 8；
Each sharp edge is blunt, printing figure number mark.
The content of present invention is not limited only to the content of the respective embodiments described above, the group of one of them or several specific embodiments
The purpose of invention also may be implemented in contract sample.
Using following verification experimental verifications effect of the present invention
Embodiment 1: such as Fig. 1 to 5, the processing method of blade root positioning seat is specifically realized by the following steps:
One, in vertical knee-type milling machine, 40Cr blank is milled into six faces by 133.5mm × 52.5mm × 45.5mm, each face is vertical, obtains
Hexahedron structure part；
Two, modifier treatment is carried out to hexahedron structure part, being heat-treated to hardness is HRC31~35, is tied after being heat-treated
Component；
Three, in surface grinding machine, six faces are ground by 133mm × 52 ± 0.02mm × 45mm to structural member after heat treatment, and opposite
Face ∥ 0.01mm, adjacent surface ⊥ 0.01mm, obtains cutter member to be cut；
Four, cutter member to be cut is fixed on wire cutting machine tool, processes dovetail groove 4, dovetail groove 4 in the leading flank of cutter member to be cut
Through the upper and lower surfaces of cutter member to be cut, and dovetail groove 4 is obliquely installed, and inclined angle beta is 38 ° 44 ', dovetail groove 4
The left side of cutter member upper surface to be cut is arranged in upper end, and the right side of cutter member lower surface to be cut, swallow is arranged in the lower end of dovetail groove 4
4 slot bottom width of stern notch is 25.828mm, and dovetail groove angle [alpha] is 75 °, the lower end of the groove bottom of dovetail groove 4 and dovetail groove 4 there are
0.3mm surplus obtains thick oat tail groove structure part；
Five, the groove bottom with oat tail groove structure part is ground in surface grinding machine, guarantees the lower end groove depth of dovetail groove 4
Greater than upper end groove depth, and the trailing flank angle γ of the groove bottom of dovetail groove 4 and main body 1 is 2 ° 6 ' 38 ", obtain oat tail groove structure
Part；
Six, oat tail groove structure part is fixed on CNC milling machine, platform is milled by 20mm × 18mm to oat tail groove structure part two sides
5mm × 45 ° chamfering in the same plane, and is pressed in the trailing flank of rank 2, the trailing flank for guaranteeing 2 boss 2 and main body 1, then by swallow
The front side facing cut circular conical surface 3 of tail-groove structure part guarantees that the angle of circular conical surface 3 and normal is 2 ° 18 ' 14 "；In structural member hole to be drilled
Circular conical surface 3, dovetail groove 4 two sides respectively bore 2 counterbores, obtain structural member hole to be drilled；
Seven, hole structure part is treated using pincers worker bore and attack, 4 counterbores brill is tapping into 4 stepped holes 5, hole to be drilled
It bores and attacks 1 top threaded hole 7 in the left side of the upper surface of structural member；It is each in the circular conical surface 3 of structural member hole to be drilled, the two sides of dovetail groove 4
Brill attacks 1 pin hole 6；It respectively bores in the lower surface of structural member hole to be drilled, the two sides of the lower end of dovetail groove 4 and attacks 1 bottom threaded hole 8；
Each sharp edge is blunt, printing figure number mark.
Blade root positioning seat described in the present embodiment, it includes 1,2 boss 2 of main body, the stepped hole 5,2 of dovetail groove 4,4 pin
Hole 6, top threaded hole 7 and 2 bottom threaded hole 8；
The two sides of main body 1 are respectively arranged 1 boss 2, and guarantee the trailing flank of the trailing flanks of 2 boss 2 and main body 1 same
In plane；
The leading flank of main body 1 is arranged to circular conical surface 3；
Dovetail groove 4 is arranged in the circular conical surface 3 of main body 1, and dovetail groove 4 runs through the upper and lower surfaces of main body 1, and dovetail groove 4
It is obliquely installed, the left side on surface on the body 1 is arranged in the upper end of dovetail groove 4, and the lower end of dovetail groove 4 is arranged under main body 1
The right side on surface；
The left side setting top threaded hole 7 on surface on the body 1；
In the circular conical surface 3 of main body 1, the two sides of dovetail groove 4,2 stepped holes 5 are respectively set；
In the circular conical surface 3 of main body 1, the two sides of dovetail groove 4,1 pin hole 6 is respectively set；
In the two sides of 1 lower surface of main body, the lower end of dovetail groove 4,1 bottom threaded hole 8 is respectively set.
The angle of the circular conical surface 3 and normal is 2 ° 18 ' 14 ".
The dovetail groove angle [alpha] of the dovetail groove 4 is 75 °.
The lower end groove depth of the dovetail groove 4 is greater than upper end groove depth, and the rear side of the groove bottom of dovetail groove 4 and main body 1
Face angle γ is 2 ° 6 ' 38 ".
The inclined angle beta of the dovetail groove 4 is 38 ° 44 '.
Top threaded hole 7 is M10 threaded hole.
Bottom threaded hole 8 is M8 threaded hole.
Pin hole 6 is Ф 10H7 pin hole.
Within the present embodiment dovetail groove angle dimensional machining accuracy reachable ± 3 ', dimensional machining accuracy up to 0.02mm with
It is interior.
Claims (6)
1. blade root positioning seat, it is characterised in that it includes main body (1), 2 boss (2), dovetail groove (4), 4 stepped holes (5), 2
A pin hole (6), top threaded hole (7) and 2 bottom threaded holes (8)；
1 boss (2) is respectively arranged in the two sides of main body (1), and guarantees that the trailing flank of 2 boss (2) and the trailing flank of main body (1) exist
On same plane；
The leading flank of main body (1) is arranged to circular conical surface (3)；
Dovetail groove (4) are arranged in the circular conical surface (3) of main body (1), and dovetail groove (4) runs through the upper and lower surfaces of main body (1), and swallow
Stern notch (4) is obliquely installed, and the upper end of dovetail groove (4) is arranged in the left side of main body (1) upper surface, the lower end of dovetail groove (4)
Right side in main body (1) lower surface is set；
On left side setting top threaded hole (7) of main body (1) upper surface；
In the circular conical surface (3) of main body (1), the two sides of dovetail groove (4), 2 stepped holes (5) are respectively set；
In the circular conical surface (3) of main body (1), the two sides of dovetail groove (4), 1 pin hole (6) is respectively set；
In the two sides of main body (1) lower surface, the lower end of dovetail groove (4), 1 bottom threaded hole (8) is respectively set.
2. blade root positioning seat according to claim 1, it is characterised in that the angle of the circular conical surface (3) and normal is 2 °
18′14″。
3. blade root positioning seat according to claim 1, it is characterised in that the dovetail groove angle [alpha] of the dovetail groove (4) is
75°。
4. blade root positioning seat according to claim 1, it is characterised in that the lower end groove depth of the dovetail groove (4) is greater than upper
End groove depth, and the trailing flank angle γ of the groove bottom of dovetail groove (4) and main body (1) is 2 ° 6 ' 38 ".
5. blade root positioning seat according to claim 1, it is characterised in that the inclined angle beta of the dovetail groove (4) is 38 °
44′。
6. the processing method of blade root positioning seat as described in claim 1, it is characterised in that it is completed by the following steps:
One, in vertical knee-type milling machine, 40Cr blank is milled into six faces by 133.5mm × 52.5mm × 45.5mm, each face is vertical, obtains six faces
Body structural member；
Two, modifier treatment is carried out to hexahedron structure part, being heat-treated to hardness is HRC31~35, structural member after being heat-treated；
Three, in surface grinding machine, six faces, and opposite face ∥ are ground by 133mm × 52 ± 0.02mm × 45mm to structural member after heat treatment
0.01mm, adjacent surface ⊥ 0.01mm, obtains cutter member to be cut；
Four, cutter member to be cut is fixed on wire cutting machine tool, processes dovetail groove (4) in the leading flank of cutter member to be cut, dovetail groove (4)
Through the upper and lower surfaces of cutter member to be cut, and dovetail groove (4) is obliquely installed, and inclined angle beta is 38 ° 44 ', dovetail groove
(4) left side of cutter member upper surface to be cut is arranged in upper end, and cutter member lower surface to be cut is arranged in the lower end of dovetail groove (4)
Right side, dovetail groove (4) slot bottom width are 25.828mm, and dovetail groove angle [alpha] is 75 °, the groove bottom and dovetail groove of dovetail groove (4)
(4) there are 0.3mm surpluses for lower end, obtain thick oat tail groove structure part；
Five, the groove bottom with oat tail groove structure part is ground in surface grinding machine, guarantees that the lower end groove depth of dovetail groove (4) is big
In upper end groove depth, and the trailing flank angle γ of the groove bottom of dovetail groove (4) and main body (1) is 2 ° 6 ' 38 ", obtain dovetail groove knot
Component；
Six, oat tail groove structure part is fixed on CNC milling machine, step is milled by 20mm × 18mm to oat tail groove structure part two sides
(2), 5mm × 45 ° chamfering in the same plane, and is pressed in the trailing flank of the trailing flank and main body (1) that guarantee 2 boss (2), then
By the front side facing cut circular conical surface (3) of oat tail groove structure part, guarantee that the angle of circular conical surface (3) and normal is 2 ° 18 ' 14 "；To be drilled
2 counterbores are respectively bored in the circular conical surface (3) of pore structure part, the two sides of dovetail groove (4), obtain structural member hole to be drilled；
Seven, hole structure part is treated using pincers worker bore and attack, 4 counterbores brill is tapping into 4 stepped holes (5), in knot hole to be drilled
It bores and attacks 1 top threaded hole (7) in the left side of the upper surface of component；The circular conical surface (3) of structural member hole to be drilled, dovetail groove (4) two
Side, which is respectively bored, attacks 1 pin hole (6)；It respectively bores in the lower surface of structural member hole to be drilled, the two sides of the lower end of dovetail groove (4) and attacks 1 bottom
Threaded hole (8)；Each sharp edge is blunt, printing figure number mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910310214.1A CN109986393A (en) | 2019-04-17 | 2019-04-17 | Blade root positioning seat and its processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910310214.1A CN109986393A (en) | 2019-04-17 | 2019-04-17 | Blade root positioning seat and its processing method |
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| CN109986393A true CN109986393A (en) | 2019-07-09 |
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| CN201910310214.1A Pending CN109986393A (en) | 2019-04-17 | 2019-04-17 | Blade root positioning seat and its processing method |
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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 |
| CN113579803A (en) * | 2021-08-18 | 2021-11-02 | 哈尔滨汽轮机厂有限责任公司 | Special blade milling steam passage clamp for five-axis numerical control machine tool and machining method |
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| CN203443507U (en) * | 2013-09-06 | 2014-02-19 | 哈尔滨汽轮机厂有限责任公司 | Combined detection measuring tool of steam turbine blade with dovetail-shaped blade root |
| CN103934769A (en) * | 2014-04-25 | 2014-07-23 | 哈尔滨汽轮机厂有限责任公司 | Arc clamp for machining crest of guide vane of steam turbine |
| CN105689971A (en) * | 2014-11-26 | 2016-06-22 | 无锡市锡北视听设备厂 | Manufacturing method of positioning device for precise workpiece milling machining |
| CN109079549A (en) * | 2018-08-08 | 2018-12-25 | 哈尔滨汽轮机厂有限责任公司 | A kind of inner arc locating piece and its processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203443507U (en) * | 2013-09-06 | 2014-02-19 | 哈尔滨汽轮机厂有限责任公司 | Combined detection measuring tool of steam turbine blade with dovetail-shaped blade root |
| CN103934769A (en) * | 2014-04-25 | 2014-07-23 | 哈尔滨汽轮机厂有限责任公司 | Arc clamp for machining crest of guide vane of steam turbine |
| CN105689971A (en) * | 2014-11-26 | 2016-06-22 | 无锡市锡北视听设备厂 | Manufacturing method of positioning device for precise workpiece milling machining |
| CN109079549A (en) * | 2018-08-08 | 2018-12-25 | 哈尔滨汽轮机厂有限责任公司 | A kind of inner arc locating piece and its processing method |
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| 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 |
| 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 |
| CN113579803A (en) * | 2021-08-18 | 2021-11-02 | 哈尔滨汽轮机厂有限责任公司 | Special blade milling steam passage clamp for five-axis numerical control machine tool and machining method |
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Application publication date: 20190709 |