CN206654966U - Z-type cylinder crystal selector - Google Patents
Z-type cylinder crystal selector Download PDFInfo
- Publication number
- CN206654966U CN206654966U CN201720266984.7U CN201720266984U CN206654966U CN 206654966 U CN206654966 U CN 206654966U CN 201720266984 U CN201720266984 U CN 201720266984U CN 206654966 U CN206654966 U CN 206654966U
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- section
- brilliant
- crystal
- select
- type cylinder
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Abstract
The utility model discloses a kind of Z-type cylinder crystal selector, including being sequentially connected the graining section communicated and selecting brilliant section, it is described select brilliant section middle part it is Z-shape, described to select the lower end of brilliant section and the connection end of graining section be in arc-shaped, and the graining section is in cylinder cavity volume shape；This Z-type cylinder crystal selector can smoothly realize the preparation work of crystal, and simple in construction, and Making mold is convenient, and crystal grain preparation efficiency is high.
Description
Technical field
It the utility model is related to the technology of preparing of high temperature alloy monocrystalline, more particularly to a kind of Z-type cylinder crystal selector.
Background technology
Aero-engine is the mostly important part of aerospace industries, the imperial crown being referred to as in industry, in engine
Blade is then the heart in engine, and its manufacturing cost accounts for the 25% to 30% of complete machine, and the key technology of vane manufacturing is
Monocrystalline solidifies growth course, and the quality of crystal selector determines the material orientation characteristic of single crystal blade, is state's internal lobe all the time
One of bottleneck of piece manufacturing technology.It is the most important link for determining Blade Properties, is described as " the brill on imperial crown of airborne vehicle
Stone ".
The design of crystal selector relies primarily on experience at present, for the height of crystal selector, diameter, and lead angle
Lack theories integration and the digital simulation support of rational science；Select the brilliant stage to be formed with defect and do not have standard foundation, spiral
The choosing crystalline substance mechanism of crystal selector, crystal separation method prepare during monocrystalline Solidification Parameters pair in crystal orientation control and directional solidification process
The influence of single crystal super alloy solidified structure, stray crystal and shrinkage defect all needs to be studied.
Utility model content
The purpose of this utility model is to provide a kind of Z-type cylinder crystal selector, can preferably realize high temperature alloy monocrystalline
Preparation, and provide rational sized data.
Above-mentioned technical purpose of the present utility model technical scheme is that:A kind of Z-type cylinder choosing
Brilliant device, including be sequentially connected the graining section communicated and select brilliant section, it is described select brilliant section middle part it is Z-shape, it is described to select brilliant section
Lower end and the connection end of graining section are in arc-shaped, and the graining section is in cylinder cavity volume shape.
By using above-mentioned technical proposal, using this Z-type cylinder crystal selector during monocrystalline solidification growth is carried out,
The choosing crystalline substance section of Z-shape shape equally can also produce geometrical constraint to grain growth so that crystal grain is during growth in Z-shaped shape
Passage in by preferential growth method competitive growth, finally an only crystal grain, which is grown, selects at the top of brilliant section and covers with whole die cavity,
So as to obtain monocrystal；Also, this Z-type cylinder crystal selector is relative to spiral crystal selector of the prior art, because it is flat
Face X-Y scheme, so its structure is more simple, Making mold is easy to process, at the same time, due to selecting the lower end of brilliant section with rising
The connection end of brilliant section is in arc-shaped, crystal grain grow and progress into Z-shaped shape select brilliant section during can be turned with arc-shaped
Angle collides to carry out preferential growth and will not form stray crystal due to the mutation at turning；Furthermore because Z-type selects brilliant section to have
There is obvious directly turnover to hinder, so as to supply crystal grain, quickly by preferential growth method competitive growth, to be improved in passage
Operating efficiency.
The utility model is further arranged to：It is described select brilliant section rise lift angle be 20-60 degree.
By using above-mentioned technical proposal, a lift angle is smaller, so that select the design of the height of brilliant section smaller,
20-60 angle of standing up, the height for selecting brilliant section can be also ensure that while the smooth crystalline growth preparation work of guarantee crystal grain
Will not be higher, so as to further increase operating efficiency.
The utility model is further arranged to：It is described to select a diameter of 3.2mm of brilliant section.
By using above-mentioned technical proposal, select brilliant section diameter smaller, select brilliant efficiency higher, however, with small diameter
The insufficient strength of brilliant section is selected, so the choosing a diameter of 3.2mm of crystalline substance section of this Z-type cylinder crystal selector, can both ensure to select brilliant efficiency,
The intensity of brilliant section can be ensured to select again, ensure the smooth shaping of crystal grain.
The utility model is further arranged to：It is described that to select brilliant section be highly 16.16mm.
By using above-mentioned technical proposal, select brilliant section height lower, select brilliant section efficiency higher, then, be elected to brilliant section height
When too low, it is impossible to ensure that crystal grain is molded selecting in brilliant section completely, so the choosing crystalline substance section of this Z-type cylinder crystal selector is highly
It 16.16mm, can both ensure to select brilliant efficiency, and can ensure that crystal grain is selecting the complete smoothly shaping in brilliant section again.
The utility model is further arranged to：The bottom for selecting brilliant section is connected by first straight line section with graining section, institute
It is highly 4mm to state first straight line section, and the lower end for selecting brilliant section is connected with the upper end of first straight line section, and connection end is in circular arc
Shape.
By using above-mentioned technical proposal, the crystal selector first straight line section of the design is line constraint, is to be stained with for convenience
Slurry does the work of formwork, and 4mm line constraint distance both can conveniently be stained with slurry and do putamina, also save material.
In summary, the utility model has the advantages that：
1st, this Z-type cylinder crystal selector is simple in construction, and Making mold is convenient, and can preferably realize the system of monocrystal
It is standby；
2nd, crystal grain can reduce the several of generation stray crystal in selecting for this Z-type cylinder crystal selector during growth in brilliant section
Rate；
3rd, select brilliant section to use the diameter of suitable dimension in this Z-type cylinder crystal selector, can both ensure to select brilliant efficiency, again
The intensity of brilliant section can be ensured to select, ensure the smooth shaping of crystal grain；
4th, select brilliant section to use the height of suitable dimension in this Z-type cylinder crystal selector, can both ensure to select brilliant efficiency, again
It can ensure that crystal grain is selecting the complete smoothly shaping in brilliant section；
5th, first straight line section is added in this Z-type cylinder crystal selector, can be conveniently stained with the work that slurry does formwork；
6th, the choosing crystalline substance section in this Z-type cylinder crystal selector employs rational raising angle, it is ensured that crystal grain smoothly into
While long, it is also ensured that select brilliant section height will not be too high, so as to improve operating efficiency.
Brief description of the drawings
Fig. 1 is the side view of this Z-type cylinder crystal selector；
Fig. 2 is the front view of this Z-type cylinder crystal selector；
A-A sectional view in Fig. 3 Fig. 2；
Fig. 4 is the upward view of this Z-type cylinder crystal selector in Fig. 2；
Fig. 5 is this Z-type cylinder crystal selector top view in Fig. 2.
In figure：1st, graining section；2nd, brilliant section is selected；3rd, changeover portion；4th, first straight line section.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment：A kind of Z-type cylinder crystal selector, as Figure 1-3, including it is sequentially connected the graining section 1 communicated and choosing
Brilliant section 2, single crystal blade can be directly generated at the upper end outlet of brilliant section 2 by selecting；The upper end of graining section 1 and the phase of first straight line section 4
Logical, the height of first straight line section 4 is 4mm, as shown in Figures 2 and 3, so as to the work be stained with slurry and do formwork before.
As shown in figs. 1 and 3, the outer wall of its graining section 1 is highly 12mm, inside wall height 10.5mm, and diameter of bore is
12mm, a diameter of 15mm of exit orifice, in cylinder cavity volume shape, while not waste of materials, so that crystal grain has foot in graining section 1
Enough height space solidifications, its graining section 1 can also use cube-shaped.
As shown in Figures 4 and 5, the upper end of brilliant section 2 is selected also to be connected with changeover portion 3, so as to the post-production of crystal blade, its transition
The height of section 3 is 6mm, and changeover portion can use positive triangular pyramid.
As shown in figs. 1 and 3, the overall Z-shape shape of brilliant section 2 is selected, its cross section diameter is 3.2mm, is highly 16.4mm, plays lift angle
For 20-60 degree, its lower end and upper end are connected with the upper end of first straight line section 4 and the lower end of changeover portion 3 respectively, and two connections
End is in arc-shaped, as shown in Figures 2 and 3.
Embodiment：Analyze from the microprocess of crystal growth, because the atomic density of each crystal face of crystal is different, match somebody with somebody
Digit is different, and chemical bond key is different, causes the electron configuration of each crystal face difference, thus the interface of each crystal face can not
Together.During so as to cause Liquid-solid conversion, the frequency at liquid phase atomic collision interface is different.Therefore in process of setting crystal in different crystal faces
The speed of growth it is variant, i.e., crystal can show anisotropy in process of setting, be embodied in crystal in each crystal
The speed of growth for learning direction is different.It is referred to as the preferred orientation of the crystal for growing faster direction on crystalline orientation（Preferentially
The direction of growth）.
The putamina of this screw type crystal selector and single crystal blade can be produced using 3D printing technique, and is fixed in
After on working equipment, it is fixed using husky mould technology, high-temperature liquid metal is poured into Sha Mozhong, this screw type crystal selector and list
The putamina of brilliant blade is melted, and the appearance of the putamina shape of this screw type crystal selector and single crystal blade is now preserved inside husky mould
Chamber, molten metal solidify in the cavity volume of graining section 1, and crystal grain is along selecting the brilliant shape of section 2 to proceed by crystallization, when more crystal grain are in graining
When starting to solidify in section 1 and starting to grow up, crystal grain after first straight line section 4 by entering in the choosing crystalline substance section 2 of Z-shaped shape, and head
First with selecting the arc corners inwall of brilliant section 2 and first straight line section 4 junction to contact, now, positioned at selecting in brilliant section in Z-type passage
Some crystal grain will by the stronger obstruction of crystal selector Z-type vias inner walls, gradually lose growing space and by Z-type passage
Other crystal grain are eliminated, and finally an only crystal grain is grown up forms single crystal blade, and turning due to arc-shaped by changeover portion 3
The presence at angle, the situation of stray crystal will not be formed due to the mutation at turning, so as to smoothly realize single crystal super alloy casting
Prepare.
In the present embodiment, choosing crystalline substance 2 structures of section of Z-shaped shape are simpler, because it is planar figure, easily die sinking
Tool, that is, the processing and manufacturing of mould is facilitated, and be adapted to produce in enormous quantities；And the choosing crystalline substance section 2 of Z-shaped shape has obvious direct
Bending is compared with during more crystal grain are in and select the interior growth of brilliant section 2, wherein most crystal grain can be quickly with selecting brilliant section passage
Wall is collided so as to be eliminated, so as to finally only stay a crystal grain smoothly to grow up always, so as to preferably realize crystal formation
Work, and improve operating efficiency；At the same time, brilliant 2 a diameter of 3.2mm of section is selected, is highly 16.4mm, lift angle is played and exists
20-60 degree, 35 degree can be now selected, so can both ensure to select brilliant efficiency, can ensure to select the intensity of brilliant section 2 again, and
Crystal grain is selecting the development point amplitude in brilliant section 2 to be easily controlled, and is further ensured that the smooth shaping of crystal grain.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (5)
1. a kind of Z-type cylinder crystal selector, including be sequentially connected the graining section (1) communicated and select brilliant section (2), it is characterised in that：
It is described select brilliant section (2) middle part it is Z-shape, it is described that to select the lower end of brilliant section (2) and the connection end of graining section (1) be in arc-shaped,
The graining section (1) is in cylinder cavity volume shape.
A kind of 2. Z-type cylinder crystal selector according to claim 1, it is characterised in that：It is described select brilliant section rise lift angle be 20-
60 degree.
A kind of 3. Z-type cylinder crystal selector according to claim 1, it is characterised in that：It is described to select brilliant section (2) a diameter of
3.2mm。
A kind of 4. Z-type cylinder crystal selector according to claim 1, it is characterised in that：It is described to select the brilliant section (2) to be highly
16.16mm。
A kind of 5. Z-type cylinder crystal selector according to claim 1, it is characterised in that：The bottom for selecting brilliant section (2) leads to
Cross first straight line section (4) to be connected with graining section (1), the first straight line section (4) is highly 4mm, the lower end for selecting brilliant section (2)
It is connected with the upper end of first straight line section (4), and connection end is in arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720266984.7U CN206654966U (en) | 2017-03-17 | 2017-03-17 | Z-type cylinder crystal selector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720266984.7U CN206654966U (en) | 2017-03-17 | 2017-03-17 | Z-type cylinder crystal selector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206654966U true CN206654966U (en) | 2017-11-21 |
Family
ID=60315995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720266984.7U Expired - Fee Related CN206654966U (en) | 2017-03-17 | 2017-03-17 | Z-type cylinder crystal selector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206654966U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109321967A (en) * | 2018-10-12 | 2019-02-12 | 宁国市华成金研科技有限公司 | A kind of crystal orientation control equipment and method |
| CN110396714A (en) * | 2019-09-09 | 2019-11-01 | 泰州市金鹰精密铸造有限公司 | A kind of novel combination type Z-type crystal selector |
| CN113564715A (en) * | 2021-06-25 | 2021-10-29 | 深圳市万泽航空科技有限责任公司 | Crystal selection method of single crystal high temperature alloy and single crystal high temperature alloy casting |
-
2017
- 2017-03-17 CN CN201720266984.7U patent/CN206654966U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109321967A (en) * | 2018-10-12 | 2019-02-12 | 宁国市华成金研科技有限公司 | A kind of crystal orientation control equipment and method |
| CN110396714A (en) * | 2019-09-09 | 2019-11-01 | 泰州市金鹰精密铸造有限公司 | A kind of novel combination type Z-type crystal selector |
| CN113564715A (en) * | 2021-06-25 | 2021-10-29 | 深圳市万泽航空科技有限责任公司 | Crystal selection method of single crystal high temperature alloy and single crystal high temperature alloy casting |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171121 Termination date: 20210317 |
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| CF01 | Termination of patent right due to non-payment of annual fee |