CN108396282A - The outer powder feeding frame of one kind adjustable multichannel used for plasma spraying and spraying equipment - Google Patents
The outer powder feeding frame of one kind adjustable multichannel used for plasma spraying and spraying equipment Download PDFInfo
- Publication number
- CN108396282A CN108396282A CN201810549807.9A CN201810549807A CN108396282A CN 108396282 A CN108396282 A CN 108396282A CN 201810549807 A CN201810549807 A CN 201810549807A CN 108396282 A CN108396282 A CN 108396282A
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- powder feeding
- frame
- multichannel
- adjusting rod
- body frame
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- 239000000843 powder Substances 0.000 title claims abstract description 96
- 238000007750 plasma spraying Methods 0.000 title claims abstract description 16
- 238000005507 spraying Methods 0.000 title abstract description 7
- 239000007921 spray Substances 0.000 claims abstract description 22
- 238000000576 coating method Methods 0.000 abstract description 18
- 239000011248 coating agent Substances 0.000 abstract description 17
- 239000000919 ceramic Substances 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 9
- 239000007769 metal material Substances 0.000 description 8
- 229910033181 TiB2 Inorganic materials 0.000 description 5
- 229910010293 ceramic material Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 229910000881 Cu alloy Inorganic materials 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000003026 anti-oxygenic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating By Spraying Or Casting (AREA)
- Plasma Technology (AREA)
- Nozzles (AREA)
Abstract
The invention discloses powder feeding frame and spraying equipments outside a kind of adjustable multichannel used for plasma spraying, it solves the problems, such as that powder feeding frame can not adjusting position, it passes through the adjustable movement of adjusting rod and powder feeding pipe, realize axially and radially the moving along plasma gun of multichannel powder feeding pipe, and then reduce ceramic/metal molten condition difference, the comprehensive performance of functionally gradient coating is improved, technical solution is：Include the body frame being connect with spray gun, the body frame is connected with multiple vertically arranged adjusting rods moving up and down, and the high and low position of multiple adjusting rods is different；The adjusting rod lower part is connect with the powder feeding pipe that can be moved left and right laterally is arranged.
Description
Technical field
The present invention relates to plasma spraying technology fields, are sent outside more particularly to a kind of adjustable multichannel used for plasma spraying
Powder frame and spraying equipment.
Background technology
Plasma spraying technology uses the plasma-arc by DC powered as heat source, by ceramics, alloy, metal etc.
Material is heated to melting or semi-molten state, and to spray to the surface for forming adhesion-tight by pretreated workpiece surface at a high speed
Coating.
Functionally gradient coating is that two or more Material claddings and ingredient and structure are novel in one kind of continuous gradient variation
Composite coating can be divided into metal/non-metal functionally gradient coating, metal/ceramic functionally gradient coating, non-gold by material composition
The multiple types such as category/ceramics function gradient coating.Since material continuous gradient changes, it is made to be answered in mitigation coefficient of thermal expansion, heat
Force difference is different, improves that material is wear-resistant, anticorrosive and antioxygenic property etc. has unique advantage.Ceramic material hardness is higher,
Good in insulation effect is widely used in the fields such as metallurgy, aerospace, but compared to metal material, ceramic material fusing point is higher, such as
TiB2For 2980 DEG C, WC be 2870 DEG C, Ni is 1453 DEG C, Co is 1495 DEG C etc..If preparing the materials constituent element such as functionally gradient coating
More material coating structures of graded are presented, under the identical technological parameter of same equipment, conventional fixed-type powder feeding frame is difficult to
Meet otherness requirement of the ceramic/metal material to extraneous heat/field of force simultaneously.
Under equal-wattage, metal material melting degree is higher, and ceramic material fusing degree is relatively low, and the two molten condition is poor
It is different huge.Currently, two-way powder feeding frame is fixed, heat, the field of force that the ceramic/metal material of functionally gradient coating is undergone are prepared
Identical, if meeting the preparation process of ceramic material, metal material melting/gasification degree is higher, is unfavorable for the preparation of coating.Separately
On the one hand, plasma flame flow has very high temperature and an energy density, and with the increase of flame stream distance its temperature have it is bright
Aobvious decaying, such as：The plasma flame flow central temperature of relevant device reaches as high as 31700 DEG C, and at away from gun slot 50mm
Flame stream, only 1100 DEG C or so of temperature.Therefore by adjusting position of the ceramic/metal material powder feeding pipe in plasma arc flame stream
It sets, reduces ceramic/metal material molten state difference, be feasible in theory.
Invention content
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of adjustable multichannels used for plasma spraying to send outside
Powder frame realizes that multichannel powder feeding pipe is axially and radially moved along plasma gun by the adjustable movement of adjusting rod and powder feeding pipe
It is dynamic, and then ceramic/metal molten condition difference is reduced, improve the comprehensive performance of functionally gradient coating；
The present invention uses following technical proposals：
A kind of outer powder feeding frame of adjustable multichannel used for plasma spraying, includes the body frame being connect with spray gun, the body frame connection
There are multiple vertically arranged adjusting rods moving up and down, the high and low position of multiple adjusting rods different；The adjusting rod lower, transverse
The powder feeding pipe connection that can be moved left and right is set.
Further, the centrally disposed vertical through holes of the body frame pass through for spray gun, and the setting fastening of body frame lateral engagement connects
Fitting.
Further, multiple adjusting rods are arranged along body frame periphery.
Further, multiple interconnecting pieces are arranged in the body frame side, and the interconnecting piece has vertical through holes for adjusting rod
It passes through, adjusting rod can move up and down in vertical through holes.
Further, fastening connection piece is arranged so that adjusting rod and interconnecting piece to be fastenedly connected in the interconnecting piece lateral engagement.
Further, the body frame and interconnecting piece are an integral structure.
Further, the adjusting rod lower part is provided with cross through hole so that powder feeding pipe passes through, and powder feeding pipe can be laterally logical
It is moved left and right in hole.
Further, the adjusting rod bottom is equipped with fastening connection piece so that powder feeding pipe and adjusting rod to be fastenedly connected.
For overcome the deficiencies in the prior art, the present invention provides a kind of plasma spraying equipments, including spray gun is with more than
The powder feeding frame, the spray gun are connected with the body frame of powder feeding frame.
Compared with prior art, the beneficial effects of the invention are as follows：
On the basis of current powder feeder is insufficient, the outer powder feeding frame of the adjustable multichannel used for plasma spraying is designed, compared to
Traditional fixed two-way powder feeding frame, the invention solve the immovable disadvantage of traditional powder feeding frame and can install multichannel powder feeding pipe,
It is prepared by the functionally gradient coating that a variety of sprayed on material can be achieved；Using the connection type of holding screw, keep powder feeding frame easy to disassemble
And maintenance.
The powder feeding frame of the present invention is by adjusting adjusting rod and powder feeding pipe, it can be achieved that powder feeding pipe is along plasma gun axial direction/diameter
Adjustment to position, it is simple in structure, it can easily be accommodated.By this powder feeding frame, the tangential functionally gradient of more material constituent elements can be met
Coating prepares and requirement of the ceramic/metal material to different heat/field of forces in preparation process, improves coating correlated performance, has
Good actual effect, and have good reference to the preparation of current functionally gradient coating.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.
Fig. 1 is the whole assembling schematic diagram of powder feeding frame of the present invention；
Fig. 2 is body frame schematic diagram；
Fig. 3 is adjusting rod schematic diagram；
In figure, 1 body frame, 2 holding screws, 3 holding screws, 4 powder feeding pipes, 5 adjusting rods, 6 holding screws, 7 interconnecting pieces, 8 are erected
To through-hole.
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As background technology is introduced, exist in the prior art powder feeding frame can not adjusting position deficiency, in order to solve
Technical problem as above, present applicant proposes powder feeding frame and spraying equipments outside a kind of adjustable multichannel used for plasma spraying.
In a kind of typical embodiment of the application, as shown in Figure 1-Figure 3, provide a kind of used for plasma spraying adjustable
The outer powder feeding frame of formula multichannel, includes the body frame 1 being connect with spray gun, body frame 1 is connected with multiple vertically arranged adjustings moving up and down
The high and low position of bar 5, multiple adjusting rods 5 is different；5 lower part of adjusting rod is connect with the powder feeding pipe 4 that can be moved left and right laterally is arranged.
Its axial direction (i.e. vertical direction) realizes axial movement by the position of adjusting adjusting rod；Radial direction is (i.e.
Horizontal direction) by the position of adjusting powder feeding pipe, realize its radial movement, and its position is fixed using holding screw.Pass through
Position of the powder feeding pipe in flame stream can be changed by adjusting adjusting rod, can change the position of itself and flame flow center by adjusting powder feeding pipe
It sets, and then realizes the control of powder feeding pipe axial/radial position.
1 centrally disposed vertical through holes of body frame pass through for spray gun, and fastening connection piece (i.e. tightening is arranged in 1 lateral engagement of body frame
Screw 2) body frame and spray gun to be fastenedly connected so that multichannel powder feeding frame is easy to disassemble.
Body frame 1 may be used tungsten-copper alloy material and be made, convenient for heat dissipation.
Multiple adjusting rods 5 are arranged along 1 periphery of body frame.
Multiple interconnecting pieces 7 are arranged in 1 side of body frame, and interconnecting piece 7 has vertical through holes 8 so that adjusting rod 5 passes through, adjusting rod 5
It can be moved up and down in vertical through holes 8.Two-way powder feeding frame is set in the present embodiment, two connections are symmetrical arranged in 1 both sides of body frame
Portion 7, adjusting rod 5 are correspondingly arranged two, are respectively arranged in the vertical through holes of interconnecting piece, may be implemented to adjust sending for two-way powder feeding
Powder position.
Fastening connection piece (i.e. holding screw 6) is arranged to connect adjusting rod 5 and the fastening of interconnecting piece 7 in 7 lateral engagement of interconnecting piece
It connects.Adjusting rod 5 is mounted on by two holding screws 6 on body frame 1, and is fixed to the axial position of powder feeding pipe 4.
Body frame 1 and interconnecting piece 7 are an integral structure.
5 lower part of adjusting rod is provided with cross through hole so that powder feeding pipe 4 passes through, and powder feeding pipe 4 can move left and right in cross through hole
It is dynamic.
5 bottom of adjusting rod is equipped with fastening connection piece (i.e. holding screw 3) to connect powder feeding pipe 4 and the fastening of adjusting rod 5
It connects.Powder feeding pipe 4 is fixed by holding screw 3 and the cooperation of adjusting rod 5.
In the typical embodiment of another kind of the application, provide a kind of plasma spraying equipment, including spray gun and with
The body frame 1 of the upper powder feeding frame, spray gun and powder feeding frame connects.
In order to enable those skilled in the art can clearly understand the technical solution of the application, below with reference to tool
The technical solution of the application is described in detail in the embodiment of body.
This powder feeding frame is opened up by taking two-way powder feeding structure and the dress rifle of the XM-80JZ plasma machines to be produced mounted on certain company as an example
Open related description.
Since tungsten-copper alloy has good electrical conductivity, preferable elevated temperature strength and certain plasticity, therefore body frame 1 selects
With WD10050 copper alloys.Rest part is made of 45# steel, on the one hand can meet correlated performance requirement, on the other hand can be reduced
Powder feeding puts up this.
To ensure its connection function and two-way powder feeding requirement, system is referred to as 8mm there are two distribution diameter on 1 interconnecting piece of body frame
Vertical through holes 8 and the threaded hole that is connect with vertical through holes and body frame.Vertical through holes 8 are used for installation and adjustment bar 5, and threaded hole is used for
Installation holding screw 6 makes adjusting rod 5 be connect with body frame 1, and 1 side of body frame is threaded hole makes body frame 1 for installing holding screw 2
It is connect with spray gun.Using holding screw 2, two-way powder feeding frame is connected on current spray gun, it is easy to disassemble, while reducing equipment and changing
Cause this.
There are through-holes and threaded hole for the lower part of adjusting rod 5, at vertical distribution.Through-hole is for installing powder feeding pipe 4, threaded hole
Powder feeding pipe 4 is set to be fixed with adjusting rod 5 for installing holding screw 3.
By adjusting the position of adjusting rod 5, to change axial position of the powder feeding pipe 4 along spray gun, and it is solid with holding screw 6
It is fixed；By adjusting the position of powder feeding pipe 4, to change its radial position along spray gun, and fixed with holding screw 3, by above-mentioned
Mode realizes the axial/radial movement of powder feeding pipe 4.
TiB is now sprayed with two-way powder feeding frame2For-Ni coatings, illustrate that the powder feeding frame uses step.
First, powder feeding frame is mounted on plasma machine dress rifle, adjusts powder feeding rack position, and make at its bottom and gun slot
In same level, determine that its level, the holding screw 2 of rotational symmetry distribution make powder feeding frame be fixed on spray gun using horizon rule
On.TiB is installed2Powder feeding pipe, Ni powder feeding pipes, wherein TiB2Powder feeding pipe is mounted on the right side of powder feeding frame, and Ni powder feeding pipes are mounted on left side,
And keep powder feeding pipe horizontal close to flame stream side and the holding of adjusting rod side, at this point, powder feeding pipe is apart from flame flow center radial distance
Xmm.The position for adjusting two adjusting rods makes it be close to powder feeding frame bottom, at this point, powder feeding pipe central axes are apart from gun slot axial distance
For Ymm.
Then, TiB is adjusted respectively2, Ni powder feeding bars position Y1、Y2, holding screw 6 is rotated, secured adjusted bar two is sent at this time
It is Y that tube cell, which is axial coordinate apart from gun slot distance,1+Y、Y2+Ymm.Plasma spraying equipment is opened, is joined according to spraying process
Number is primary/secondary gas flow, adjusts two powder feeding pipe distances, makes TiB2It is uniformly sent into flame stream with Ni powder, rotates holding screw 3,
Fixed powder feeding pipe；And utilize two powder feeding pipe outreach X of vernier caliper measurement1、X2, at this point, TiB2Radial coordinate be X1+X、
The radial coordinate of Ni is X2+X。
It finally drives spray gun to spray sample using wu-zhi-shan pig, and TiB2-Ni coating correlated performances is carried out
Test.By adjusting different Y1With Y2Obtain TiB2The optimal processing parameter of-Ni, is finally completed spray coating operations.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of outer powder feeding frame of adjustable multichannel used for plasma spraying, characterized in that include the body frame being connect with spray gun, the master
Frame is connected with multiple vertically arranged adjusting rods moving up and down, and the high and low position of multiple adjusting rods is different；Under the adjusting rod
Portion is connect with the powder feeding pipe that can be moved left and right laterally is arranged.
2. the outer powder feeding frame of multichannel as described in claim 1, characterized in that the centrally disposed vertical through holes of body frame are for spray gun
It passes through, fastening connection piece is arranged in body frame lateral engagement.
3. the outer powder feeding frame of multichannel as described in claim 1, characterized in that multiple adjusting rods are arranged along body frame periphery.
4. the outer powder feeding frame of multichannel as described in claim 1, characterized in that multiple interconnecting pieces are arranged in the body frame side.
5. the outer powder feeding frame of multichannel as claimed in claim 4, characterized in that the interconnecting piece has vertical through holes for adjusting rod
It passes through, adjusting rod can move up and down in vertical through holes.
6. the outer powder feeding frame of multichannel as claimed in claim 5, characterized in that fastening connection piece is arranged in the interconnecting piece lateral engagement
Adjusting rod and interconnecting piece to be fastenedly connected.
7. the outer powder feeding frame of multichannel as claimed in claim 4, characterized in that the body frame and interconnecting piece are an integral structure.
8. the outer powder feeding frame of multichannel as described in claim 1, characterized in that the adjusting rod lower part be provided with cross through hole for
Powder feeding pipe passes through, and powder feeding pipe can move left and right in cross through hole.
9. the outer powder feeding frame of multichannel as described in claim 1, characterized in that the adjusting rod bottom is equipped with fastening connection piece
Powder feeding pipe and adjusting rod to be fastenedly connected.
10. a kind of plasma spraying equipment, characterized in that including spray gun and as outside claim 1-9 any one of them multichannels
Powder feeding frame, the spray gun are connected with the body frame of powder feeding frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549807.9A CN108396282B (en) | 2018-05-31 | 2018-05-31 | Adjustable multi-way powder feeding frame for plasma spraying and spraying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549807.9A CN108396282B (en) | 2018-05-31 | 2018-05-31 | Adjustable multi-way powder feeding frame for plasma spraying and spraying equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108396282A true CN108396282A (en) | 2018-08-14 |
| CN108396282B CN108396282B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810549807.9A Active CN108396282B (en) | 2018-05-31 | 2018-05-31 | Adjustable multi-way powder feeding frame for plasma spraying and spraying equipment |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915643A (en) * | 2021-11-05 | 2022-01-11 | 西安鑫垚陶瓷复合材料有限公司 | Ceramic matrix composite flame tube and preparation process and tool for inner wall environment barrier coating of ceramic matrix composite flame tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204644473U (en) * | 2015-04-17 | 2015-09-16 | 山东能源重装集团大族再制造有限公司 | A kind of stationary installation of supply gas mouth or powder-feeding head for laser melting coating |
| CN106148947A (en) * | 2016-07-11 | 2016-11-23 | 浙江工业大学 | A kind of rectangular light spot laser cladding coating wall scroll width adjusting mechanism |
| CN106637195A (en) * | 2016-12-15 | 2017-05-10 | 中国矿业大学 | Coaxial powder feeding sprayer capable of automatically adjusting light spots and powder feeding positions |
| CN208201085U (en) * | 2018-05-31 | 2018-12-07 | 山东大学 | The outer powder feeding frame of one kind adjustable multichannel used for plasma spraying and spraying equipment |
-
2018
- 2018-05-31 CN CN201810549807.9A patent/CN108396282B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204644473U (en) * | 2015-04-17 | 2015-09-16 | 山东能源重装集团大族再制造有限公司 | A kind of stationary installation of supply gas mouth or powder-feeding head for laser melting coating |
| CN106148947A (en) * | 2016-07-11 | 2016-11-23 | 浙江工业大学 | A kind of rectangular light spot laser cladding coating wall scroll width adjusting mechanism |
| CN106637195A (en) * | 2016-12-15 | 2017-05-10 | 中国矿业大学 | Coaxial powder feeding sprayer capable of automatically adjusting light spots and powder feeding positions |
| CN208201085U (en) * | 2018-05-31 | 2018-12-07 | 山东大学 | The outer powder feeding frame of one kind adjustable multichannel used for plasma spraying and spraying equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915643A (en) * | 2021-11-05 | 2022-01-11 | 西安鑫垚陶瓷复合材料有限公司 | Ceramic matrix composite flame tube and preparation process and tool for inner wall environment barrier coating of ceramic matrix composite flame tube |
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| Publication number | Publication date |
|---|---|
| CN108396282B (en) | 2024-01-30 |
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