CN107825388A - Blade blade section chalker design method and device based on 3D printing - Google Patents
Blade blade section chalker design method and device based on 3D printing Download PDFInfo
- Publication number
- CN107825388A CN107825388A CN201710898029.XA CN201710898029A CN107825388A CN 107825388 A CN107825388 A CN 107825388A CN 201710898029 A CN201710898029 A CN 201710898029A CN 107825388 A CN107825388 A CN 107825388A
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- China
- Prior art keywords
- blade
- chalker
- section
- listrium
- circular arc
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
Abstract
The invention discloses the blade blade section chalker design method based on 3D printing and device, the three-dimensional modeling of blade is made first with mapping software, then matching chalker is gone out according to the 3-D Moulding Design of blade, blade blade chalker includes blade and chalker listrium location division, the marking groove for being rule to blade blade is provided with blade, blade blade is rule along marking groove, it disclosure satisfy that the requirement of all section line of blade blade, it is simple to operate, it is easy to use.
Description
Technical field
The invention belongs to blade of aviation engine manufacturing technology field, and in particular to the blade blade section based on 3D printing
Chalker design method and device.
Background technology
Blade of aviation engine includes compressor blade and turbo blade, and its type face configuration is complicated, it is necessary to the geometry of control
Key element is more, and detection content is also corresponding more, for example blade leading edge circular arc, exhaust are determined in circular arc, blade maximum gauge, exhaust
The geometric element of the requirement such as dot thickness and leaf basin and blade back machined surface profile degree, along blade total length direction each section be become
Change, to realize the detection of above key element, it is necessary to which measurement could be realized by finding corresponding section line position.
Original blade section chalker, it is the thick iron sheet models of the 1mm with line narrow slot.Its manufacture method is
On existing blade material object, using the thick iron sheets of 1mm, striking to repair with hammer by pincers worker makes iron sheet and blade blade and listrium face
It is brought into close contact, recycles linear cutter to go out the narrow slot of line, this traditional blade section chalker manufacture method is taken
When it is laborious, two subject matters be present：First, the manufacture of face mold lags behind the manufacture of blade, it is necessary to first has blade in kind
It can complete, extend the product manufacturing duration.
The content of the invention
In order to solve the above problems, the invention provides the blade blade section chalker design method based on 3D printing
And device, by blade theory three-dimensional model with regard to the design and manufacture of blade blade section chalker can be completed, without blade
Material object, it is entirely capable of meeting the needs that present blade fast pace is manufactured, has saved the Operational preparation time, reduced the labor of worker
Fatigue resistance, the judge of the blade blade section chalker quality of 3D printing manufacture, it is qualified to be determined by three coordinate measurements
Whether, it is easy to the detection of all geometric elements in each section of postorder blade, after the completion of device design, carries out 3D printing, operation
Easy, used time short precision height.
To reach above-mentioned purpose, the design method bag of the blade blade section chalker of the present invention based on 3D printing
Include following steps：
Step 1: according to the design drawing of blade, the threedimensional model of blade is created；
Step 2: determining the positioning reference plane of blade blade section chalker, master is used as from the blade type face of blade
Benchmark, according to principle of six-point fixing, axially the side positioning using the blade listrium of blade at blade, last freedom
Degree positions limitation by the blade leading edge of blade；
Step 3: on the threedimensional model of blade, three faces described in extraction step two are rule as blade blade section
The locating surface of device, blade blade section chalker is positioned completely with blade blade type face and be bonded, determine chalker leaf
Body and the thickness of chalker listrium location division, length and width, the length of blade blade section chalker are rule by blade
The position in section determines that when chalker is covered on blade when blade blade section, blade blade section chalker includes
All sections that need to be rule, the width of blade blade section chalker are more than the width of blade；
Step 4: determine the size of circular arc at chalker blade and the location division switching of chalker listrium, chalker
Blade is more than at blade and the blade listrium switching of blade with the first circular arc at blade chalker listrium location division switching
Second circular arc, the first circular arc are bigger 0.5mm~1mm than the radius of the second circular arc；
Step 5: the relevant position for the position rule on the chalker of blade blade section with blade blade needs is set
Marking groove, marking groove are groove.
In step 3, the thickness of chalker blade is arranged to uniform thickness, thickness is 3mm~4mm, by chalker
The thickness of listrium location division is arranged to uniform thickness, and chalker listrium location division is thicker 3mm~4mm than chalker blade.
In step 3, determination mode the entering for blade blade section chalker of blade blade section chalker width
The leading edge circular arc of gas avris and blade is tangent and extends 2mm~3mm along gas side circular arc, blade blade section chalker
Exhaust avris extends 2mm~3mm downwards along blade type.
In step 5, marking groove is retained into 0.5mm~1mm straight sections from the supreme direction of bottom land, remaining position is along straight trough periphery
20 °~45 ° of oblique angle.
After the completion of step 5, reinforcement, the thickness of reinforcement are set in blade blade section chalker blade outer surface
It is 3mm~4mm with width.
Blade blade section chalker based on 3D printing, including chalker blade and the positioning of chalker listrium
Portion, the inner surface of chalker blade and the shapes and sizes in blade blade type face match, and are set on the chalker blade
The marking groove for being rule to blade blade is equipped with, when when blade blade section, chalker is fitted on blade, blade
Blade is scribing position with the position that the line face of marking groove contacts, and the width of the chalker blade is more than blade blade
The width in type face, chalker blade being capable of the farthest line sections of coverage distance blade listrium.
The marking groove is V-arrangement groove, and V-arrangement groove is while be hypotenuse, another side is straight flange, and the face where the straight flange is
Line face.
The marking groove is straight section from the supreme direction 0.5mm~1mm of bottom land, and remaining position falls 20 °~45 ° along straight trough periphery
Oblique angle.
The outer surface of the chalker blade, is provided with reinforcement.
The thickness of the chalker blade is 3mm~4mm, the thickness of the chalker listrium location division for 6mm~
8mm, chalker blade are more than the blade and blade of blade with the first circular arc at blade chalker listrium location division switching
The second circular arc at listrium switching, the first circular arc are bigger 0.5mm~1mm than the radius of the second circular arc.
Compared with prior art, the present invention at least has technique effect beneficial below, should by advanced 3D printing technique
Use in Fixture Design, according to the design drawing of blade, create the threedimensional model of blade, then created according to the threedimensional model of blade
The threedimensional model of chalker is built, the making of chalker is no longer limited by the manufacture of blade, eliminates the pure hand that tradition falls behind
Work manufacture method, the product manufacturing cycle is shortened, improve production efficiency, reduce cost of goods manufactured, while improve line
The precision of device itself, improve the quality of blade.
Further, the thickness of chalker blade is arranged to 3mm~4mm, by the thickness of chalker listrium location division
Degree is arranged to thicker 3mm~4mm than chalker blade, if chalker blade is too thin, the intensity and rigidity of chalker are too poor,
It is easily deformed, position error is big and frangible；If chalker blade is too thick, it is not easy to line and manufacturing cost is high.
Further, the determination mode of blade blade section chalker width entering for blade blade section chalker
The leading edge circular arc of gas avris and blade is tangent and extends 2mm~3mm along gas side circular arc, blade blade section chalker
Exhaust avris extends 2mm~3mm downwards along blade type, after can so manufacturing chalker, avoids chalker
Interfered with blade, the exhaust avris of chalker extends to ensure blade intake and exhaust edge all downwards along blade type
It can draw and reach the standard grade, meet that line requires.
Further, in step 5, marking groove is retained into 0.5mm~1mm straight sections, remaining position edge from the supreme direction of bottom land
Fall 20 °~45 ° of oblique angle on straight trough periphery, is easy to bow pen to be rule.
Further, after the completion of step 5, reinforcement is set in blade blade section chalker blade outer surface, strengthened
The thickness and width of muscle is 3mm~4mm, and the position of reinforcement produces interference to scribing position, and quantity and the line of reinforcement fill
The size put is relevant.
Blade blade section chalker based on 3D printing, including chalker blade and the positioning of chalker listrium
Portion, the inner surface of chalker blade and the shapes and sizes in blade blade type face match, and are provided with chalker blade
For the marking groove rule to blade blade, when when blade blade section, chalker is fitted on blade, blade blade
The position contacted with the line face of marking groove is scribing position, and the width of chalker blade is more than the width in blade blade type face
Degree, chalker blade being capable of the farthest line section of coverage distance blade listrium.
Further, marking groove is V-arrangement groove, and V-arrangement groove is while be hypotenuse, and another side is straight flange, the face where straight flange
For face of ruling, in order to get out of the way bow pen and prevent picture wrong position, non-line position is designed as hypotenuse.
Further, marking groove is straight section from the supreme direction 0.5mm~1mm of bottom land, and remaining position falls 20 ° along straight trough periphery
~45 ° of oblique angle, is easy to bow pen to be rule.
Further, the outer surface of chalker blade, is provided with reinforcement, can prevent and reduce the change of chalker
Shape.
Further, chalker blade is more than blade with the first circular arc at blade chalker listrium location division switching
Blade and blade listrium switching at the second circular arc, the first circular arc is bigger 0.5mm~1mm than the radius of the second circular arc, to ensure
Positioning reliably avoids interference with.
Brief description of the drawings
Fig. 1 is that leading edge positions schematic diagram；
Fig. 2 is the structural representation of compressor blade blade section chalker 2；
Fig. 3 is the front view of compressor blade blade section chalker 2；
Fig. 4 is Fig. 3 A-A to sectional view；
Fig. 5 is the entity structure schematic diagram of turborotor blade section chalker 2
Fig. 6 is the front view of turborotor blade section chalker 2；
Fig. 7 is Fig. 6 left view；
In accompanying drawing：11st, compressor blade, 12, turbo blade, 2, chalker, 21, compressor blade blade line dress
Put, 22, turbo blade blade chalker, 23, chalker blade, 24, chalker listrium location division, 3, blade type face,
4th, blade listrium, 5, leading edge, 6, exhaust side, 7, marking groove, 71, setting-out face, 9, reinforcement.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
Reference picture 1, according to blade styles and the difference of detection method, blade is divided into compressor blade 11 and turbo blade
12, accordingly, blade blade section chalker 2 divides for compressor blade blade chalker 21 and the line of turbo blade blade
Device 22；No matter the more complicated blades in type face, mapping software can be utilized to make the three-dimensional modeling of blade, then according to blade
Three-dimensional modeling, matching chalker 2 is designed, disclosure satisfy that the requirement of all section line of blade blade, operation letter
It is single, it is easy to use.
Blade blade section chalker design method based on 3D printing comprises the following steps：
Step 1: according to the design drawing of blade, the threedimensional model of establishment blade 1；
Step 2: the positioning reference plane of chalker 2 is determined, due to needing to be rule on the blade type face 3 of blade, in order to
Ensure the degree of accuracy and the operability of line, from blade 1 blade type face as primary standard, select leaf basin when leaf basin is rule,
Blade back selects blade back when ruling, and according to principle of six-point fixing, on the premise of meeting that line requires, axially uses the blade of blade 1
Side positioning of the listrium 4 at blade, last free degree position limitation by the blade leading edge 5 of blade 1；
Step 3: on the threedimensional model of blade 1, positioning of three locating surfaces of above-mentioned determination as chalker is extracted
Face, chalker 2 is positioned completely with the blade blade type face that need to be rule and be bonded, determine chalker blade 23 and chalker
The thickness of listrium location division 24, with reference to the characteristics of 3D printing manufacturing technology, the thickness of chalker blade 23 is uniform, thickness 3mm
~4mm, if chalker blade is too thin, the intensity and rigidity of chalker are too poor, are easily deformed, position error is big and frangible；
If chalker blade is too thick, it is not easy to line and manufacturing cost is high, in order to ensure that positioning is reliable, chalker listrium location division
24 thickness is uniform, and chalker listrium location division 24 is than 23 thick 3mm~4mm of chalker blade, and specific thickness is according to blade
Listrium shape depending on, the length of chalker is determined by the rule position in section of blade, when chalker is covered on blade
When, chalker must include all sections that need to be rule, as shown in figure 1, the leading edge locating surface of chalker 2 and blade 1
Leading edge circular arc 5 it is tangent and along gas side circular arc 5 extend 2mm~3mm, for ensure marking lengths, the exhaust side 6 of chalker
Side is wider than blade type face, and the lower edge of chalker extends 2mm~3mm downwards along blade type；
Step 4: the size of circular arc at chalker blade 23 and the switching of chalker listrium location division 24 is determined, line
Device blade 23 is more than the blade of blade with the first circular arc at the switching of chalker listrium location division 24 and blade listrium is transferred
Second circular arc at place, the first circular arc is bigger 0.5mm~1mm than the radius of the second circular arc, ensures that positioning is reliable and avoids interference with；
Step 5: according to blade design drawing requirement, the phase for the position rule on chalker 2 with blade blade needs
Answer position that marking groove 7 is set, marking groove 7 is groove, is not interfered between marking groove 7；
Step 6: marking groove retains 0.5mm~1mm straight sections from the supreme direction of bottom land, remaining position falls 20 ° along straight trough periphery
~45 ° of oblique angle, is easy to bow pen to be rule；
Step 7: 130mm is approximately more than for length or width is approximately more than 100mm chalker, in chalker blade 2
The center section of outer surface sets reinforcement 8, and the thickness and width of reinforcement 8 is 3mm~4mm, and the position of reinforcement 8 is to line
Position produces interference, and the quantity of reinforcement 8 is relevant with the size of chalker, and reinforcement is vertical with marking groove 7.
Reference picture 2 is to Fig. 4, the compressor blade blade chalker 21 based on 3D printing designed according to above-mentioned steps,
Including blade 23 and chalker listrium location division 24, the marking groove 7 for being rule to blade blade is provided with blade,
Marking groove 7 is V-arrangement groove, and V-arrangement groove is while be hypotenuse, another side is straight flange, and the face where straight flange is line face 71, in order to allow
Open bow pen and prevent picture wrong position, non-line position is designed as hypotenuse, the inner surface of blade and the shape in blade blade type face
Shape and size match, and when chalker is fitted on blade 1, the position that blade contacts with the line face 71 of marking groove 7 is i.e.
For scribing position, compressor blade blade chalker blade 23 and 24 thickness of chalker listrium location division are uniform, line dress
The thickness for putting blade 23 is 3mm~4mm, and the thickness of chalker listrium location division 24 is 6mm~8mm, chalker blade 23
The be more than with the first circular arc at the switching of blade chalker listrium location division 24 at blade and the blade listrium switching of blade
Two circular arcs, the first circular arc are bigger 0.5mm~1mm than the radius of the second circular arc, the width of the blade of compressor blade blade chalker 21
Degree more than blade type face width, the blade of compressor blade blade chalker 21 can coverage distance blade listrium 4 it is farthest
Line section.
Reference picture 5 is to Fig. 7, the turbo blade blade chalker 22 based on 3D printing designed according to above-mentioned steps, bag
Blade 23 and chalker listrium location division 24 are included, the marking groove 7 for being rule to blade blade is provided with blade, is drawn
Wire casing 7 is straight trough, the width of straight trough and the diametric fit of bow pen, in order to get out of the way bow pen and more convenient line, marking groove
Retain 0.5mm~1mm straight sections from the supreme direction of bottom land, fall 20 °~45 ° of oblique angle along straight trough periphery at remaining position, is easy to rule
Pen is rule, and the inner surface of blade and the shapes and sizes in blade blade type face match, when chalker is fitted in blade 1
When upper, the as theoretical line position in the line side of marking groove 7 and the position of blade contact, compressor blade blade chalker leaf
Body 23 and 24 thickness of chalker listrium location division are uniform, are 3mm~4mm, the thickness of chalker listrium location division 24 is 6mm
~8mm, chalker blade 23 are more than the blade of blade with the first circular arc at the switching of blade chalker listrium location division 24
, the compressor blade leaf bigger 0.5mm~1mm than the radius of the second circular arc with the second circular arc at blade listrium switching, the first circular arc
The width of body chalker blade 23 is more than the width in blade type face, and the blade of compressor blade blade chalker 21 can cover
The line section farthest apart from blade listrium 4, because turbo blade blade profile profile curvature is big, in order to prevent and reduce chalker
Deformation, in the intake and exhaust edge of chalker and blade middle part, be provided with about 6mm 2 to 3 high reinforcement 8, strengthen
The outer surface of muscle 8 is in approximately the same plane with the upper surface of chalker listrium location division 24, improves the flat of whole chalker
Whole degree.
Claims (10)
1. the design method of the blade blade section chalker based on 3D printing, it is characterised in that comprise the following steps：
Step 1: according to the design drawing of blade, the threedimensional model of establishment blade (1)；
Step 2: the positioning reference plane of blade blade section chalker (2) is determined, from the blade type face conduct of blade (1)
Primary standard, according to principle of six-point fixing, axially positioned using side of the blade listrium (4) of blade (1) at blade, finally
One degree of freedom positions limitation by the blade leading edge (5) of blade (1)；
Step 3: on the threedimensional model of blade (1), three faces described in extraction step two are rule as blade blade section to be filled
The locating surface of (2) is put, blade blade section chalker (2) is positioned completely with blade blade type face and is bonded, it is determined that line dress
Thickness, the length and width of blade (23) and chalker listrium location division (24) are put, blade blade section chalker (2)
Length is determined by the position in blade line section, when blade blade section chalker (2) is covered on blade, blade blade
Section chalker (2) includes all sections that need to be rule, and the width of blade blade section chalker (2) is more than the width of blade
Degree；
Step 4: the size of circular arc at chalker blade (23) and chalker listrium location division (24) switching is determined, line
Device blade (23) is more than the blade and blade of blade with the first circular arc at blade chalker listrium location division (24) switching
The second circular arc at listrium switching, the first circular arc are bigger 0.5mm~1mm than the radius of the second circular arc；
Step 5: the relevant position for the position rule on blade blade section chalker (2) with blade blade needs is set
Marking groove (7), marking groove (7) are groove.
2. the design method of the blade blade section chalker according to claim 1 based on 3D printing, its feature exist
In in step 3, the thickness of chalker blade (23) being arranged into uniform thickness, thickness is 3mm~4mm, by chalker
The thickness of listrium location division (24) is arranged to uniform thickness, and chalker listrium location division (24) is thicker than chalker blade (23)
3mm~4mm.
3. the design method of the blade blade section chalker according to claim 1 based on 3D printing, its feature exist
In in step 3, the determination mode of blade blade section chalker (2) width is blade blade section chalker (2)
The leading edge circular arc (5) of air inlet avris and blade (1) is tangent and extends 2mm~3mm along gas side circular arc (5), and blade blade is cut
The exhaust avris of face chalker (2) extends 2mm~3mm downwards along blade type.
4. the design method of the blade blade section chalker according to claim 1 based on 3D printing, its feature exist
In in step 5, by marking groove (7) from the supreme direction reservation 0.5mm~1mm straight sections of bottom land, remaining position is fallen along straight trough periphery
20 °~45 ° of oblique angle.
5. the design method of the blade blade section chalker according to claim 1 based on 3D printing, its feature exist
In, after the completion of step 5, reinforcement (8) is set in blade blade section chalker blade (23) outer surface, reinforcement (8)
Thickness and width is 3mm~4mm.
6. the blade blade section chalker based on 3D printing, it is characterised in that including chalker blade (23) and line
Device listrium location division (24), the inner surface of chalker blade (23) and the shapes and sizes in blade blade type face match,
The marking groove (7) for being rule to blade blade is provided with the chalker blade (23), when blade blade section
When chalker (2) is fitted on blade (1), the position that blade blade contacts with the line face (71) of marking groove (7) is to draw
Line position, the width of the chalker blade (23) are more than the width in blade blade type face, and chalker blade (23) can
The farthest line section of coverage distance blade listrium (4).
7. the blade blade section chalker according to claim 6 based on 3D printing, it is characterised in that the line
Groove (7) is V-arrangement groove, and V-arrangement groove is while be hypotenuse, another side is straight flange, and the face where the straight flange is line face (71).
8. the blade blade section chalker according to claim 6 based on 3D printing, it is characterised in that the line
Groove (7) is straight section from the supreme direction 0.5mm~1mm of bottom land, and fall 20 °~45 ° of oblique angle along straight trough periphery at remaining position.
9. the blade blade section chalker according to claim 6 based on 3D printing, it is characterised in that the line
The outer surface of device blade (23), it is provided with reinforcement (8).
10. the blade blade section chalker according to claim 6 based on 3D printing, it is characterised in that described stroke
The thickness of line apparatus blade (23) is 3mm~4mm, and the thickness of the chalker listrium location division (24) is 6mm~8mm, is drawn
Line apparatus blade (23) is more than the blade and leaf of blade with the first circular arc at blade chalker listrium location division (24) switching
The second circular arc at piece listrium switching, the first circular arc are bigger 0.5mm~1mm than the radius of the second circular arc.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898029.XA CN107825388B (en) | 2017-09-28 | 2017-09-28 | Blade blade section lineation device design method and device based on 3D printing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898029.XA CN107825388B (en) | 2017-09-28 | 2017-09-28 | Blade blade section lineation device design method and device based on 3D printing |
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| CN107825388A true CN107825388A (en) | 2018-03-23 |
| CN107825388B CN107825388B (en) | 2019-07-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111570726A (en) * | 2020-06-30 | 2020-08-25 | 中国航发动力股份有限公司 | Guide blade mold and shrinkage design method thereof |
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| CN101559652A (en) * | 2008-04-15 | 2009-10-21 | 西门子公司 | Wind turbine blade with an integrated lightning conductor and method for manufacturing the same |
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| CN111570726A (en) * | 2020-06-30 | 2020-08-25 | 中国航发动力股份有限公司 | Guide blade mold and shrinkage design method thereof |
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| Publication number | Publication date |
|---|---|
| CN107825388B (en) | 2019-07-30 |
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