CN101559491A - Integral molding die of large scale sintering porous cone pipe and isotropic molding method therewith - Google Patents
Integral molding die of large scale sintering porous cone pipe and isotropic molding method therewith Download PDFInfo
- Publication number
- CN101559491A CN101559491A CNA2009100226929A CN200910022692A CN101559491A CN 101559491 A CN101559491 A CN 101559491A CN A2009100226929 A CNA2009100226929 A CN A2009100226929A CN 200910022692 A CN200910022692 A CN 200910022692A CN 101559491 A CN101559491 A CN 101559491A
- Authority
- CN
- China
- Prior art keywords
- mould
- gum cover
- space
- powder
- centering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Powder Metallurgy (AREA)
Abstract
The invention discloses an integral molding die of a large scale sintering porous taper pipe, comprising a cone frustum-shaped steel jacket, the surface of the steel jacket is provided with pores, a layer of cone frustum-shaped rubber jacket is clung to the inner surface of the steel jacket, a cone frustum-shaped mandrel is arranged at the inner layer of the rubber jacket, clearance is reserved between the mandrel and the rubber jacket, the upper end and lower end in the clearance are respectively provided with a centering rubber sheath, and clearance is reserved between the two centering rubber sheaths, and the cone angles of the steel jacket, the rubber jacket and the mandrel are equal. The invention further relates to an isotropic molding method with the molding die, in which powder is evenly mixed, a tool is used for filling the mixed powder into the clearance of the molding die, the molding die is maintained vibrating during the filling process, the molding die which is filled with the powder is put into an isostatic pressing machine for pressing and de-molding, then the de-molded blank is taken out and put into a vacuum or hydrogen furnace to be sintered to finish the process. With the die of the invention adopted, the porous element of the cone pipe can be manufactured integrally in one step, and the porous cone pipe is high in strength and good in permeability.
Description
Technical field
The invention belongs to powder metallurgical technology, relate to a kind of integrally forming mould of large scale sintering porous Taper Pipe, the invention still further relates to and utilize this mould to carry out the method for porous Taper Pipe global formation, be specifically related to the taper porous body all to forming method.
Background technology
Sintered porous material and element thereof are the metal materials (porosity can reach 98%) that a class has obvious pore character, owing to the existence of hole presents a series of specific functions that are different from the metal compaction material, be widely used in isolated by filtration, fluid permeability and distribution control, fluidization, efficient burning, enhancing mass and heat transfer, flame-proof explosion-proof in the industrial process such as metallurgical machinery, petrochemical industry, energy environment protection, defence and military, nuclear technology and bio-pharmaceuticals etc.
The manufacturing of present large-scale cone often adopts molding and welding method to finish, but also there is not the manufacturing of whole large-scale porous gas distribution cone, initial gas distribution adopts usually with the sintered porous element of Taper Pipe and earlier raw material powder is rolled into porous plate, adopt the method for welding the porous plate of fritter to be spliced into the taper of large-size then, it is many to do operation like this, and, waste time and energy owing to there is not one-time formed equipment.In addition, need welding sintered porous element the time in the middle of the skill on existing, but lower through the compression strength of pad after the welding, so there is the lower defective of whole compressive resistance usually in the gas distribution element that is welded into, and permeability is bad.
Summary of the invention
The purpose of this invention is to provide a kind of large scale sintering porous Taper Pipe integrally forming mould, this mould can once be finished moulding, has saved operation, and is time saving and energy saving.
Another object of the present invention provides that a kind of to utilize above-mentioned integrally forming mould to carry out the porous Taper Pipe whole all to the method for moulding, and porous Taper Pipe intensity height, permeability that this method prepares are good.
The technical solution adopted in the present invention is, a kind of integrally forming mould of large scale sintering porous Taper Pipe, comprise that the surface has the steel bushing of the truncated cone of aperture, the inner surface of being close to steel bushing is provided with the gum cover of one deck truncated cone, the gum cover internal layer is provided with the core of truncated cone, leaves the space between core and the gum cover, and the two ends up and down in this space are respectively arranged with the centering gum cover, leave the space between two centering gum covers, the cone angle of steel bushing, gum cover and core is identical.
Another technical scheme of the present invention is; It is whole all to the method for moulding to utilize above-mentioned integrally forming mould to carry out the porous Taper Pipe; The method adopts a kind of integrally forming mould; The structure of this mould is: the steel bushing that comprises the foraminate truncated cone of surface band; The inner surface of being close to steel bushing arranges the gum cover of one deck truncated cone; The gum cover internal layer is provided with the core of truncated cone; Leave the space between core and the gum cover; Up and down two ends in this space are respectively arranged with the centering gum cover; Leave the space between two centering gum covers; The cone angle of steel bushing, gum cover and core is identical
This method is utilized above-mentioned mould, carries out according to following steps:
At first powder is mixed in the V-type batch mixer, this powder is a stainless steel, titanium, titanium alloy, nickel, nickel alloy or ceramic powders, the centering gum cover on top, above-mentioned mould space is taken out, with instrument the powder packing that mixes is gone in the space of mould, and then the centering gum cover that will take out is got back into the termination that the space is blocked in the original place, keep the mould vibration in the filling process, vibration frequency is 0.5～10Hz, the mould that fills powder is placed in the isostatic pressing machine, pressing pressure is 100～300MPa, the compacting back demoulding, again the blank after the demoulding is taken out, put into 1000 ℃～1400 ℃ of vacuum or hydrogen furnace sintering, be incubated 1～4 hour.
The invention has the beneficial effects as follows: adopt mould of the present invention to make the Taper Pipe multihole device by disposable integral, time saving and energy saving, and the porous Taper Pipe intensity height that makes, permeability is good.
Description of drawings
Fig. 1 is the structural representation of the large scale sintering porous Taper Pipe integrally forming mould of the present invention.
Among the figure, 1. steel bushing, 2. gum cover, 3. space, 4. core, 5. centering gum cover, 6. aperture, wherein β is a cone angle, and D is the maximum outside diameter of steel bushing 1 bottom, and H is the Taper Pipe height.
The specific embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
The structure of the integrally forming mould of the large scale sintering porous Taper Pipe of the present invention as shown in Figure 1, comprise that the surface has the steel bushing 1 of the truncated cone of aperture 6, the inner surface of being close to steel bushing 1 is provided with the gum cover 2 of one deck truncated cone, gum cover 2 internal layers are provided with the core 4 of truncated cone, leave the space between core 4 and the gum cover 2, two ends up and down in this space are respectively arranged with between 5, two of gum covers of the centering centering gum cover 5 and leave space 3, and steel bushing 1, gum cover 2 are identical with the cone angle of core 4.Two spaces 3 of feeling relieved between the gum cover 5 are used for powder filler.
The cone angle beta of steel bushing 1, gum cover 2 and core 4 is 5～30 ° in the mould of the present invention, and cone angle beta is the angle of steel bushing side and vertical direction.The maximum outside diameter D of steel bushing 1 bottom is 500mm, and the Taper Pipe height H is 1200mm, and maximum outer pressure resistance is 6MPa.
Mould of the present invention, its centering gum cover 5 is an oil resistant rubber, upper and lower settings is 3～8 groups altogether, is used for the multihole device of compression moulding is taken out respectively.Its core 4 materials are carbon steel, and it is 0.8～3.2 that roughness requires.Its steel bushing 1 material is a carbon steel, and it is 1.6～6.4 that roughness requires.Its gum cover 2 materials are oil resistant rubber, and it is 60～90HA that shore hardness requires.
The present invention utilizes this integrally forming mould to carry out porous Taper Pipe integral body all to the method for moulding, carries out according to following steps:
At first powder is mixed in the V-type batch mixer, this powder is stainless steel, titanium, titanium alloy, nickel, nickel alloy or ceramic powders, the centering gum cover 5 on 3 tops, space is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 0.5～10Hz.The mould that fills powder is placed in the isostatic pressing machine, and pressing pressure is 100～300MPa, and the compacting back demoulding is taken out the multihole device that obtains again, promptly finishes forming process.Put into 1000 ℃～1400 ℃ of vacuum or hydrogen furnace sintering at last, be incubated 1～4 hour, finish preparation of product.
Wherein the powder of stainless steel granularity is 150～300 μ m, the titanium powder granularity is 50～100 μ m, and the titanium alloy powder granularity is 100～200 μ m, and the nickel by powder granularity is 300～500 μ m, the Ni alloy powder granularity is 100～300 μ m, and the ceramic powders granularity is 50～500 μ m.
The powder of stainless steel of 150 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 8hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 180MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1380 ℃ of vacuum drying oven sintering, be incubated 4 hours.
The powder of stainless steel of 300 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 10hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 300MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1400 ℃ of vacuum drying oven sintering, be incubated 3 hours.
The powder of stainless steel of 250 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 0.5hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 100MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1000 ℃ of vacuum drying oven sintering, be incubated 1 hour.
The titanium powder of 50 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 0.5hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 100MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1000 ℃ of vacuum drying oven sintering, be incubated 1 hour.
The titanium powder of 80 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 5hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 200MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1200 ℃ of vacuum drying oven sintering, be incubated 2 hours.
Embodiment 6
The titanium powder of 100 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 10hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 300MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1400 ℃ of vacuum drying oven sintering, be incubated 4 hours.
Embodiment 7
The titanium alloy powder of 100 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 0.5hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 100MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1000 ℃ of vacuum drying oven sintering, be incubated 1 hour.
Embodiment 8
The titanium alloy powder of 150 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 6hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 200MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1300 ℃ of vacuum drying oven sintering, be incubated 3 hours.
Embodiment 9
The titanium alloy powder of 200 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 10hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 300MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1400 ℃ of vacuum drying oven sintering, be incubated 4 hours.
Embodiment 10
The nickel by powder of 300 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 0.5hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 100MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1000 ℃ of hydrogen furnace sintering, be incubated 1 hour.
Embodiment 11
The nickel by powder of 400 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 2hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 200MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1300 ℃ of hydrogen furnace sintering, be incubated 3 hours.
Embodiment 12
The nickel by powder of 500 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 10hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 300MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1400 ℃ of hydrogen furnace sintering, be incubated 4 hours.
Embodiment 13
The Ni alloy powder of 100 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 0.5hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 300MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1400 ℃ of hydrogen furnace sintering, be incubated 4 hours.
Embodiment 14
The Ni alloy powder of 200 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 5hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 200MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1200 ℃ of hydrogen furnace sintering, be incubated 3 hours.
Embodiment 15
The Ni alloy powder of 300 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 10hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 100MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1000 ℃ of hydrogen furnace sintering, be incubated 1 hour.
Embodiment 16
The ceramic powders of 50 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 0.5hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 100MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1000 ℃ of hydrogen furnace sintering, be incubated 1 hour.
Embodiment 17
The ceramic powders of 250 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 5hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 200MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1300 ℃ of hydrogen furnace sintering, be incubated 2 hours.
Embodiment 18
The ceramic powders of 500 μ m is mixed in the V-type batch mixer, centering gum cover on the space 35 is taken out, with instrument the powder of stainless steel that mixes is packed in the space 3 of mould, and then the centering gum cover 5 that will take out is got back into the original place and is blocked space 3, keep the mould vibration in the filling process, vibration frequency is 10hz, the mould that fills powder is placed in the isostatic pressing machine, pressure is 300MPa, the compacting back demoulding, the multihole device that obtains is taken out, put into 1400 ℃ of hydrogen furnace sintering, be incubated 4 hours.
Comparative Examples
The prior art system of employing multihole device:
The powder of stainless steel of 150～300 μ m is mixed in the V-type batch mixer, is rolled into the thick porous plate of 5mm with powder rolls again, after the vacuum-sintering, the porous stainless steel plate according to size cut into 3 fan-shaped, be rolled into 120 °, three lobes are welded into Taper Pipe with argon arc welding.Obtain welding big mouthful of diameter D=315mm of porous Taper Pipe at last, Taper Pipe height h=450mm, Taper Pipe angle δ=12 °, Taper Pipe thickness 5mm.
The taper multihole device that above-mentioned employing prior art is made with adopt mould of the present invention and compare according to the performance of the taper multihole device of the inventive method moulding, see Table 1:
The performance comparison of the multihole device that multihole device that table 1 the present invention makes and prior art make
| Material | Powder size | Ventilative relatively | Outer pressure resistance | |
| Prior art | Stainless steel | 150～300μm | 90m3/m2.hKPa | 1.8 |
| Embodiment | ||||
| 1～3 | Stainless steel | 150～300μm | 120m3/m2.hKPa | 5.5 |
| Embodiment | ||||
| 4～6 | Titanium | 50～100μm | 97m3/m2.hKPa | 2.5 |
| Embodiment 7～9 | TC4 | 100～200μm | 98m3/m2.hKPa | 6MPa |
| Embodiment 10～12 | Nickel | 300～500μm | 217m3/m2.hKPa | 5MPa |
| Embodiment 13～15 | Monel | 100～300μm | 98m3/m2.hKPa | 5.5MPa |
| Embodiment 16～18 | Pottery | 50～500μm | 132m3/m2.hKP | 5.2MPa |
This shows that the taper multihole device that adopts mould of the present invention and method to make, its permeability and outer pressure resistance all are rolled into thick porous plate, sintering than having now, are welded into the good of taper multihole device, have verified effect of the present invention.
Claims (10)
1. the integrally forming mould of a large scale sintering porous Taper Pipe, it is characterized in that, comprise that the surface has the steel bushing (1) of the truncated cone of aperture (6), the inner surface of being close to steel bushing (1) is provided with the gum cover (2) of one deck truncated cone, gum cover (2) internal layer is provided with the core (4) of truncated cone, leave the space between described core (4) and the gum cover (2), two ends up and down in this space are respectively arranged with centering gum cover (5), leave space (3) between two centering gum covers (5), described steel bushing (1), gum cover (2) are identical with the cone angle of core (4).
2. mould according to claim 1 is characterized in that, the cone angle beta of described steel bushing (1), gum cover (2) and core (4) is 5～30 °.
3. mould according to claim 1 is characterized in that, described centering gum cover (5) is an oil resistant rubber, and two ends are provided with 3～8 groups altogether.
4. according to claim 1,2 or 3 described moulds, it is characterized in that described core (4) material is a carbon steel, it is 0.8～3.2 that roughness requires.
5. according to claim 1,2 or 3 described moulds, it is characterized in that described steel bushing (1) material is a carbon steel, it is 1.6～6.4 that roughness requires.
6. according to claim 1,2 or 3 described moulds, it is characterized in that described gum cover (2) material is an oil resistant rubber, it is 60～90HA that shore hardness requires.
One kind to utilize the described mould of claim 1 to carry out the porous Taper Pipe whole all to the method for moulding, it is characterized in that, this method adopts a kind of integrally forming mould, the structure of this mould is: comprise that the surface has the steel bushing (1) of the truncated cone of aperture (6), the inner surface of being close to steel bushing (1) is provided with the gum cover (2) of one deck truncated cone, gum cover (2) internal layer is provided with the core (4) of truncated cone, leave the space between described core (4) and the gum cover (2), two ends up and down in this space are respectively arranged with centering gum cover (5), leave space (3) between two centering gum covers (5), described steel bushing (1), gum cover (2) is identical with the cone angle of core (4)
This method is utilized above-mentioned mould, carries out according to following steps:
At first powder is mixed in the V-type batch mixer, this powder is a stainless steel, titanium, titanium alloy, nickel, nickel alloy or ceramic powders, the centering gum cover (5) on top, above-mentioned mould space (3) is taken out, with instrument the powder packing that mixes is gone in the space (3) of mould, and then the centering gum cover (5) that will take out is got back into the termination that space (3) are blocked in the original place, keep the mould vibration in the filling process, vibration frequency is 0.5～10Hz, the mould that fills powder is placed in the isostatic pressing machine, pressing pressure is 100～300MPa, the compacting back demoulding, again the blank after the demoulding is taken out, put into 1000 ℃～1400 ℃ of vacuum or hydrogen furnace sintering, be incubated 1～4 hour.
8. forming method according to claim 7 is characterized in that, described powder of stainless steel granularity is 150～300 μ m.
9. forming method according to claim 7 is characterized in that, described titanium alloy powder granularity is 100～200 μ m.
10. forming method according to claim 7 is characterized in that, described ceramic powders granularity is 50～500 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100226929A CN101559491B (en) | 2009-05-25 | 2009-05-25 | Integral molding die of large scale sintering porous cone pipe and isotropic molding method therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100226929A CN101559491B (en) | 2009-05-25 | 2009-05-25 | Integral molding die of large scale sintering porous cone pipe and isotropic molding method therewith |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101559491A true CN101559491A (en) | 2009-10-21 |
| CN101559491B CN101559491B (en) | 2011-04-20 |
Family
ID=41218559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100226929A Active CN101559491B (en) | 2009-05-25 | 2009-05-25 | Integral molding die of large scale sintering porous cone pipe and isotropic molding method therewith |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101559491B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103157795A (en) * | 2013-03-26 | 2013-06-19 | 金堆城钼业股份有限公司 | Preparation method of large-scale molybdenum plate blank |
| CN103170621A (en) * | 2013-03-26 | 2013-06-26 | 金堆城钼业股份有限公司 | Preparation method of large molybdenum rod blank |
| CN106554825A (en) * | 2015-09-25 | 2017-04-05 | 石家庄波特无机膜分离设备有限公司 | A kind of high intensity ventilation cone |
| CN110216277A (en) * | 2019-06-13 | 2019-09-10 | 金堆城钼业股份有限公司 | A kind of preparation method of refractory metal composite pipe |
| CN110918985A (en) * | 2019-10-18 | 2020-03-27 | 西部宝德科技股份有限公司 | Preparation method of integral powder sintered external optical filter tube |
| CN112403105A (en) * | 2020-10-30 | 2021-02-26 | 西北有色金属研究院 | Low-roughness small-aperture stainless steel porous sheet and preparation method thereof |
| CN113180786A (en) * | 2021-04-29 | 2021-07-30 | 杭州淳通新材料科技有限公司 | TC4 ultrasonic scalpel and manufacturing method thereof |
| CN114951661A (en) * | 2022-06-10 | 2022-08-30 | 西安华力装备科技有限公司 | Preparation method of tungsten alloy large product with through holes or blind holes |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3162503B2 (en) * | 1992-08-27 | 2001-05-08 | 三進興産株式会社 | Improved ultra-low hardness polyurethane resin |
| KR20040013342A (en) * | 2002-08-06 | 2004-02-14 | 최성조 | Method for making fragnant porous metal sintering body |
| CN2728751Y (en) * | 2004-09-28 | 2005-09-28 | 陈特夫 | Isostatic pressure mould |
| CN101428346B (en) * | 2008-12-05 | 2010-12-01 | 西北有色金属研究院 | Method of manufacturing gradual-change bore diameter stainless steel antipriming pipe |
| CN201419243Y (en) * | 2009-05-25 | 2010-03-10 | 西安宝德粉末冶金有限责任公司 | Integral uniform molding mould of large sintered porous taper pipe |
-
2009
- 2009-05-25 CN CN2009100226929A patent/CN101559491B/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170621A (en) * | 2013-03-26 | 2013-06-26 | 金堆城钼业股份有限公司 | Preparation method of large molybdenum rod blank |
| CN103157795B (en) * | 2013-03-26 | 2014-12-24 | 金堆城钼业股份有限公司 | Preparation method of large-scale molybdenum plate blank |
| CN103157795A (en) * | 2013-03-26 | 2013-06-19 | 金堆城钼业股份有限公司 | Preparation method of large-scale molybdenum plate blank |
| CN106554825A (en) * | 2015-09-25 | 2017-04-05 | 石家庄波特无机膜分离设备有限公司 | A kind of high intensity ventilation cone |
| CN110216277A (en) * | 2019-06-13 | 2019-09-10 | 金堆城钼业股份有限公司 | A kind of preparation method of refractory metal composite pipe |
| CN110918985B (en) * | 2019-10-18 | 2022-02-18 | 西部宝德科技股份有限公司 | Preparation method of integral powder sintered external optical filter tube |
| CN110918985A (en) * | 2019-10-18 | 2020-03-27 | 西部宝德科技股份有限公司 | Preparation method of integral powder sintered external optical filter tube |
| CN112403105A (en) * | 2020-10-30 | 2021-02-26 | 西北有色金属研究院 | Low-roughness small-aperture stainless steel porous sheet and preparation method thereof |
| CN112403105B (en) * | 2020-10-30 | 2022-04-29 | 西北有色金属研究院 | Low-roughness small-aperture stainless steel porous sheet and preparation method thereof |
| CN113180786A (en) * | 2021-04-29 | 2021-07-30 | 杭州淳通新材料科技有限公司 | TC4 ultrasonic scalpel and manufacturing method thereof |
| CN113180786B (en) * | 2021-04-29 | 2023-02-03 | 杭州淳通新材料科技有限公司 | TC4 ultrasonic scalpel and manufacturing method thereof |
| CN114951661A (en) * | 2022-06-10 | 2022-08-30 | 西安华力装备科技有限公司 | Preparation method of tungsten alloy large product with through holes or blind holes |
| CN114951661B (en) * | 2022-06-10 | 2024-01-30 | 西安华力装备科技有限公司 | Preparation method of large tungsten alloy product with through holes or blind holes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101559491B (en) | 2011-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101559491B (en) | Integral molding die of large scale sintering porous cone pipe and isotropic molding method therewith | |
| CN106735186B (en) | A kind of method that 3D printing-isostatic cool pressing prepares titanium alloy multi-stage gear | |
| CN102992766B (en) | Production process for high-density isotropic isostatic-pressed round graphite hollow-core blank | |
| CN102086022B (en) | Forming device of extruded type micro explosive column | |
| CN101708400A (en) | Method for preparing seamless sintering metal powder filtering membrane tube | |
| CN104439238A (en) | High-temperature high-pressure powder near-net forming method of aluminum alloy thin-wall cross-shaped rib plate structure | |
| CN101530916B (en) | Mold for controlling the defect of sintering expansion of powder metallurgy material | |
| CN103111619A (en) | Hot isostatic pressing two-step forming method of high temperature alloy compact piece | |
| US9321188B2 (en) | Method for manufacturing of ceramic electro-insulating pipes | |
| CN111285677A (en) | Preparation method of high-density laminated composite part | |
| CN103909266A (en) | Powder sintering porous filter element production method, equipment and product | |
| CN201419243Y (en) | Integral uniform molding mould of large sintered porous taper pipe | |
| CN109158607A (en) | A method of preparing the powder sintered multiple filtration pipe of reinforced metal | |
| CN101564621A (en) | Gradient pore structured titanium filter core and preparation method thereof | |
| CN102126022B (en) | Constraint sintering die for controlling sintering deformation defect of powder metallurgical green body | |
| CN104212990A (en) | Preparation method of gradient porous titanium | |
| CN1907642A (en) | Self gas permeability metal die and manufacture method and application thereof | |
| CN103804005B (en) | A kind of forming method of carbon/silicon carbide ceramic matrix composite inverted T-shaped section structural member | |
| MX2007006169A (en) | Method for producing a sintered body. | |
| CN113634748B (en) | Preparation method of micro-deformation thin-wall porous material | |
| CN102580404B (en) | Method for preparing asymmetric stainless steel filter disc | |
| CN216330213U (en) | Mould for manufacturing steel lining polytetrafluoroethylene grid plate | |
| JP2008069385A (en) | Method for producing sintered metal member | |
| CN110483051B (en) | Preparation method of density-controllable B10-rich boron carbide ceramic | |
| JP2012153601A (en) | Long fiber reinforced ceramic composite material and method of manufacturing the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: The northern section of the economic and Technological Development Zone Jingwei Town Road 710201 Shaanxi city of Xi'an province Weihua No. 12 Patentee after: Western Baode Technologies Co., Ltd. Address before: 710016 Shaanxi province Xi'an Weiyang Weiyang Road No. 96 Patentee before: Xi'an Baode Powder Metallurgy Co., Ltd. |
|
| CP03 | Change of name, title or address |