CN101708625A - Ceramic roller isostatic pressing process and special gas isostatic pressing device thereof - Google Patents

Ceramic roller isostatic pressing process and special gas isostatic pressing device thereof Download PDF

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Publication number
CN101708625A
CN101708625A CN200910213732A CN200910213732A CN101708625A CN 101708625 A CN101708625 A CN 101708625A CN 200910213732 A CN200910213732 A CN 200910213732A CN 200910213732 A CN200910213732 A CN 200910213732A CN 101708625 A CN101708625 A CN 101708625A
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China
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pressure
air
hydraulic
chock plug
gas equal
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CN200910213732A
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CN101708625B (en
Inventor
冯斌
王志良
杨华亮
周天虹
张脉官
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Guangdong Foshan Ceramic Research Institute Holding Group Co ltd
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Foshan ceramics research institute
FOSHAN NANHAI JINGANG NEW MATERIAL Co Ltd
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Abstract

The invention discloses a ceramic roller isostatic pressing process. The process comprises: sleeving a rubber outer film on a tubular blank body encased in a rigid tube-body inner mold; taking a whole as a workpiece, placing the workpiece in an autoclave and utilizing compressed air as a pressure medium to apply static high pressure to the workpiece; and releasing pressure, demolding and placing the tubular blank body into a kiln for calcination. The process adopts a cheap medium to reduce production cost, takes air as the pressure medium to keep workshops clean and avoid environmental pollution, can recycle the pressure medium with no recovery, saves filtration equipment, and needs no special oil-resistant rubber sleeves so as to further reduce production cost. The invention also discloses a special gas isostatic pressing device for the ceramic roller isostatic pressing process. The device uses a liquid-filling annular cavity to seal high-pressure compressed air so as to ensure that the isostatic pressing process of the air medium can be realized.

Description

A kind of ceramic rod hydrostatic pressing technology and special-purpose gas equal pressing equipment thereof
Technical field
The present invention relates to a kind of isostatic pressing process, relate in particular to a kind of ceramic rod hydrostatic pressing technology.The invention still further relates to a kind of gas equal pressing equipment that in the above-mentioned ceramic rod hydrostatic pressing technology workpiece is applied the high pressure of uniform static state that is exclusively used in.
Background technology
Existing static pressure process of ceramic roll formation generally is by tube extruding machine blank to be expressed on the metal tube, puts the oil resistant rubber cover then, sealing both ends, form through pressurization, the release demoulding, its calcining finished product is difficult for distortion, and density is even, shrinkage is little, finished product bending strength height.
All use hydraulic oil as pressure medium in the isostatic pressing process of ceramic rod at present, along with modern society's resource scarcity constantly aggravates, hydraulic pressure oil plant commonly used is no exception, makes the hydraulic pressure oil price constantly soaring, makes the ceramic rod production cost increase.The inevitable adhesive tape part of the process hydraulic oil that takes out the ceramic rod workpiece comes out, and also causes the pollution of context when causing dielectric loss, influences workman's the condition of work and the cleaning of facility floor.Used hydraulic oil need reclaim and filter and just can continue to recycle through special filter plant, otherwise cause the obstruction of hydraulic circuit easily, and reclaim, link such as filtration all can cause the hydraulic oil loss, also need increase equipment simultaneously and reclaim the production cost that filters.Hydraulic oil has certain corrosivity, in case infiltrate in the ceramic rod, will damage ceramic rod, forms substandard products, waste product, therefore also needs special oil resistant rubber cover.The water resource of the earth is also more in short supply in addition, and in order to save hydraulic oil and water, we need seek cheap more material as waiting static pressure medium.Use hydraulic pressure wet goods liquid medium need provide storage area and the filter just can recycling use.
Present equal pressing equipment uses hydraulic oil as medium, for air, hydraulic oil is than the medium that is easier to realize seal, and existing equipment can't satisfy the performance requirement of pressure-air sealing, air dielectric directly can't be replaced hydraulic oil to use at existing equipment.
Summary of the invention
At the prior art deficiency, the technical problem to be solved in the present invention provides the ceramic rod hydrostatic pressing technology that a kind of media resource is enriched the low technical process environmental protection of cost.
The present invention also provides a kind of media resource to enrich the gas equal pressing equipment of the low technical process environmental protection of cost.
In order to overcome existing process technology deficiency, the technical solution used in the present invention is: a kind of ceramic rod hydrostatic pressing technology, the tubular idiosome that is sheathed on rigidity body internal mold is put air-tightness rubber adventitia outward again, its integral body placed as workpiece utilize compressed air as pressure medium workpiece to be applied static high pressure in the autoclave, the release demoulding is inserted the kiln calcining with tubular idiosome then.
In order to overcome the deficiency of existing equipment technology, the technical solution used in the present invention is: a kind of gas equal pressing equipment that is exclusively used in above-mentioned ceramic rod hydrostatic pressing technology, be used for described workpiece is applied the hyperbar of uniform static state, described gas equal pressing equipment comprises frame, being used to of the pipe shape of both ends open hold pressure-air and workpiece etc. cylinder pressure, be arranged at frame and fill in respectively and form fixedly chock plug and the movable chock plug that seals the static pressure chamber in the described both ends open place of cylinder pressure that waits, described fixedly chock plug, movable chock plug and etc. be equipped with liquid sealant and air seals between the cylinder pressure, be provided with the topping up ring cavity between described liquid sealant and the described air seals.
As the improvement of such scheme, described gas equal pressing equipment also comprises the liquid-to-air pressurizer with atmospheric pressure cavity and hydraulic cavities, and described atmospheric pressure cavity is communicated with described super-pressure tracheae, and described hydraulic cavities is communicated with by pressure piping with described topping up ring cavity.
As the improvement of such scheme, the length of described static pressure cylinder 〉=4 meter
As the improvement of such scheme, the length of described static pressure cylinder is 4~7 meters (containing end value).
As the improvement of such scheme, the length of described static pressure cylinder is 6~7 meters (containing end value).
As the improvement of such scheme, described gas equal pressing equipment also comprises mobile oil cylinder and lift cylinder, and the movable end of mobile oil cylinder is connected with the described cylinder pressure that waits, and the movable end of lift cylinder is connected with the described cylinder pressure that waits.
Improvement as such scheme, described pressure-air supply system comprises booster and the air compressor that connects successively by high-pressure air pipe, lyophilization machine, air-flow check valve, described air-flow check valve is connected by the super-pressure tracheae with described static pressure chamber, and the output of described booster is connected with the super-pressure tracheae.
As the improvement of such scheme, the interface in described super-pressure tracheae and described static pressure chamber is arranged at described fixedly chock plug, and described high-pressure air pipe partly is arranged at described fixedly chock plug inside.
As the improvement of such scheme, described gas equal pressing equipment also comprises the storage tank that connects successively by hydraulic tube, secondary liquid pump, hydraulically-controlled one-way valve, and described hydraulically-controlled one-way valve is connected by pressure piping with described topping up ring cavity.
Improvement as such scheme, described gas equal pressing equipment also comprises hydraulic system, described hydraulic system comprises Hydraulic Station, is arranged at the chock plug hydraulic jack that control activity chock plug stretches that is used for of described frame, described Hydraulic Station is connected by hydraulic oil pipe with described chock plug hydraulic jack, described Hydraulic Station is connected by hydraulic oil pipe with the oil cylinder of described booster, and described Hydraulic Station is connected by hydraulic oil pipe with the hydraulic control interface of described air-flow check valve.
The invention has the beneficial effects as follows: in waiting static pressure process, use air to replace hydraulic oil, thereby make the cost of medium own reduce production cost because air resource is abundant as pressure medium; Air can also make that as pressure medium factory building keeps clean, and reduces the production process pollution on the environment; It is reusable edible that air need not to reclaim as medium, has saved filter plant, only needs Air pressurizer just can finish the raising high pressure air; The flowability of air is better than hydraulic oil, so it flows out from static pressure cylinder easilier, has avoided impurity to stop up conduit under fluid pressure better.Use air as pressure medium, do not need special-purpose oil resistant rubber cover, further reduce production costs.
Deng liquid sealant and air seals are set between cylinder pressure and the chock plug, form the circular groove type cavity between liquid sealant and the air seals, inject water or other liquid at this cavity, again with the static pressure chamber in air pressurize simultaneously, utilize highly pressurised liquid that pressure-air is sealed, as long as the liquid of junction is not revealed, then air is revealed with regard to not passing liquid, realized the sealing of high pressure air, guaranteed that air carries out isostatic pressing process as medium and is achieved.
Description of drawings
Fig. 1 is the unitary construction schematic diagram of gas equal pressing equipment of the present invention;
Fig. 2 is the fixing chock plug sealed structural representation with the cylinder pressure such as grade.
The specific embodiment
Below embodiments of the present invention are specifically described.
A kind of ceramic rod hydrostatic pressing technology, the tubular idiosome that is sheathed on rigidity body internal mold is put air-tightness rubber adventitia outward again, its integral body placed as workpiece utilize compressed air as pressure medium workpiece to be applied static high pressure in the autoclave, the release demoulding is inserted the kiln calcining with tubular idiosome then.
In waiting static pressure process, use air to replace hydraulic oil, thereby make the cost of medium own reduce production cost because air resource is abundant as pressure medium; Air can also make that as pressure medium factory building keeps clean, and reduces the production process pollution on the environment; It is reusable edible that air need not to reclaim as medium, has saved filter plant, only needs Air pressurizer just can finish the raising high pressure air; The flowability of air is better than hydraulic oil, so it flows out from static pressure cylinder easilier, has avoided impurity to stop up conduit under fluid pressure better.Use air as pressure medium, do not need special-purpose oil resistant rubber cover, further reduce production costs.
Figure 1 shows that a kind of gas equal pressing equipment that is exclusively used in above-mentioned ceramic rod hydrostatic pressing technology of the present invention, be used for described workpiece is applied the hyperbar of uniform static state, promptly apply high static pressure, described gas equal pressing equipment comprise frame 10, both ends open the pipe shape be used to hold pressure-air and workpiece etc. cylinder pressure 12, be arranged at frame 10 and fill in respectively in the fixedly chock plug 15 and the movable chock plug 16 at the both ends open place of described static pressure cylinder 12.The fixedly chock plug 15 at static pressure cylinder 12 and two ends thereof, movable chock plug 16 surrounds the static pressure chamber that forms sealing, and the static pressure chamber is used to hold pressure-air and workpiece, and in the pressurization pressure maintaining period, pressure-air applies the high pressure of uniform static state, promptly high static pressure to workpiece; The pressure-air supply system is communicated with described static pressure chamber and high-intensity pressure air is provided.Wherein air can be an air etc.
With reference to shown in Figure 2, fixedly chock plug 15 and etc. be provided with liquid sealant 62 and air seals 64 between the cylinder pressure 12, be provided with topping up ring cavity 66 between described liquid sealant 62 and the described air seals 64.Deng liquid sealant 62 and air seals 64 are set between cylinder pressure 12 and the chock plug, forming the circular groove type cavity between liquid sealant 62 and the air seals 64 is the topping up ring cavity, inject water or other liquid at this cavity, again with static pressure chamber 12 in air pressurize synchronously, utilize highly pressurised liquid that pressure-air is sealed, as long as the liquid of junction is not revealed, then air is revealed with regard to not passing liquid.The sealing of movable chock plug 16 can seal with reference to the fixing seal form of chock plug.Other positions that need carry out high pressure gas sealing can seal with reference to the fixing seal form of chock plug.Can inject the water or the hydraulic oil of high pressure in the topping up ring cavity 66.
Wherein, do not waste the device space for the length requirement that is fit to present ceramic rod, the use amount of the length of present ceramic rod in 4 meters to 7 meters scopes is bigger.Therefore, it is more than 4 meters or 4 meters that the length of static pressure cylinder 12 should be got its value, and the comparatively ideal length of static pressure cylinder 12 is 4~7m (containing end value), and better static pressure cylinder 12 length are 6~7m (containing end value).
More preferably, the gas equal pressing equipment also comprises the liquid-to-air pressurizer 55 with atmospheric pressure cavity 58 and hydraulic cavities 59, and atmospheric pressure cavity 58 is communicated with super-pressure tracheae 30, and hydraulic cavities 59 is communicated with by pressure piping 68 with topping up ring cavity 66.Be provided with liquid-to-air pressurizer 55 can so that the hydraulic pressure in the topping up ring cavity 66 equate with air pressure in the static pressure chamber, avoid because of air pressure when excessive owing to pressure differential makes the liquid in the ring cavity be compressed the passage that reduced volume forms gas leakage.If this liquid-to-air pressurizer 55 is not set, then needs the synchronous supercharging of liquid in air in the static pressure chamber and the topping up ring cavity 66, and need to guarantee to be full of liquid in the topping up ring cavity 66, otherwise can not guarantee sealing the pressure-air in the static pressure chamber.
More preferably, described gas equal pressing equipment comprises also that movable end is connected with described static pressure cylinder 12 is used to order about the mobile oil cylinder 19 that static pressure cylinder moves along its axis, the lift cylinder that is used for the lifting static pressure cylinder 18 that movable end is connected with described static pressure cylinder 12.
In waiting cylinder pressure 12 behind the place work piece, utilize lift cylinder 18 will wait cylinder pressure to transfer to the fixedly position of chock plug correspondence, use mobile oil cylinder 19 will wait an end of cylinder pressure 12 to be placed in fixedly chock plug 15 then, then movable chock plug 16 is filled in the other end that waits cylinder pressure 12, form the static pressure chamber of sealing, in the static pressure chamber, inject pressure-air and apply the high-intensity static pressure that intensity everywhere equates, make workpiece be subjected to the even extruding of certain pressure, improve the compactness of workpiece by booster.
Exert pressure and carry out release after pressurize, open valve during release, pressure-air leaks up near normal pressure, open movable chock plug 16, move to wait cylinder pressure 12 away from fixing chock plug 15, will wait cylinder pressure 12 to be promoted to workbench, the workpiece that will overlap rubber sleeve then is from waiting cylinder pressure 12 interior taking-ups.Use air as pressure medium, because air is arbitrarily to extract, need not to pay, replace water or hydraulic pressure wet goods liquid with air, there is most hydraulic oil to flow out unlike liquid medium when taking out workpiece from waiting cylinder pressure openings at two ends, hydraulic oil or the water having avoided leaking need reduce the cost of process through filtering the process of utilizing again then.
More preferably, the gas equal pressing equipment also comprises the pressure-air supply system, described pressure-air supply system comprises booster 33 and the air compressor 50, lyophilization machine 52, the air-flow check valve 28 that connect successively by high-pressure air pipe 22, described air-flow check valve 28 is connected by super-pressure tracheae 30 with described static pressure chamber, and the output of described booster 33 is connected with this super-pressure tracheae 30.After the sealing of the static pressure chamber in the cylinder pressure 12, the working chamber of booster 33 is communicated with super-pressure tracheae 30, because the effect of air-flow check valve 28, the working chamber of super-pressure tracheae 30, static pressure chamber and booster 33 forms the super-pressure air zone, booster 33 starts, increase the pressure of pressure-air, make pressure-air have hyperpressure, constantly increase the air pressure in the static pressure chamber.The output of booster 33 is outputs of pressure-air, also is the working interface of booster 33.
Secondary liquid pump 26 extracts hydraulic oil or water in the liquid reserve tank and it is pumped in the superhigh pressure liquid pipeline 68, topping up ring cavity 66, the hydraulic cavities 59 of liquid to gas pressure balance device 55 of connection.Because the effect of check valve 29, form the superhigh pressure liquid district in the hydraulic cavities 59 of superhigh pressure liquid pipeline 68, topping up ring cavity 66, air pressure balancer 55, booster 33 starts, increase the pressure of pressure-air, by the atmospheric pressure cavity 58 of air pressure balancer 55 and the piston between the hydraulic cavities 59, make the hydraulic cavities 59 interior normal pressure hydraulic oil or the glassware for drinking water of air pressure balancer 55 that hyperpressure be arranged.The output of booster 33 is outputs of pressure-air, also is the working interface of booster 33.
Workpiece is applied in the process of high static pressure, topping up ring cavity 66 is communicated with the superhigh pressure liquid pipeline all the time, forms independent closed area under the effect of check valve 29.
More preferably, super-pressure tracheae 30 is arranged at described fixedly chock plug 15 with the interface in static pressure chamber, and super-pressure tracheae 30 parts are arranged at fixedly chock plug 15 inside, also can be fixedly offering the part of runner as super-pressure tracheae 30 in the chock plug 15.Movable chock plug 16 and to wait cylinder pressure 12 all be transportable needs frequently to move, and is arranged at that fixedly chock plug 15 just can be so that super-pressure air duct 30 relative fixed cause damage and be unlikely to frequently mobile to pipeline.
More preferably, the gas equal pressing equipment also comprises storage tank 25, secondary liquid pump 26, the hydraulically-controlled one-way valve 29 that connects successively by hydraulic tube, and hydraulically-controlled one-way valve 29 is connected by pressure piping 68 with topping up ring cavity 66.In the equipment course of work, can produce the fluid loss of fraction, need be that the zone that holds highly pressurised liquid that the hydraulic cavities 59 of topping up ring cavity 66, pressure piping 68, liquid-to-air pressurizer 55 is formed is carried out liquid and replenished to the high pressure liquid tagma.Just need this moment to use secondary liquid pump 26 that the liquid in the storage tank 25 is entered the high pressure liquid tagma through hydraulically-controlled one-way valve 29 pumps.After the release of static pressure chamber, the liquid in high pressure liquid tagma also produces release under the effect of balancer, becomes normal pressure liquid.
More preferably, described gas equal pressing equipment also comprises hydraulic system, described hydraulic system comprises Hydraulic Station 38, is arranged at the chock plug hydraulic jack 36 that control activity chock plug stretches that is used for of described frame 10, and described Hydraulic Station 38 is connected by hydraulic oil pipe 39 with described chock plug hydraulic jack 36.
More preferably, Hydraulic Station 38 is connected by hydraulic oil pipe 39 with the oil cylinder of booster 33, and Hydraulic Station 38 is connected by hydraulic oil pipe 39 with the hydraulic control interface of air-flow check valve 28.
Wherein Hydraulic Station 38 is used to provide hydraulic power to promote chock plug hydraulic jack 36, and the oil cylinder work that drives booster 33, and the action of control air-flow check valve 28 and hydraulically-controlled one-way valve 29.
Above disclosed only is the preferred embodiments of the present invention, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of being done according to the present patent application claim still belongs to the scope that the present invention is contained.

Claims (10)

1. ceramic rod hydrostatic pressing technology, the tubular idiosome that is sheathed on rigidity body internal mold is put air-tightness rubber adventitia outward again, its integral body placed as workpiece utilize compressed air as pressure medium workpiece to be applied static high pressure in the autoclave, the release demoulding is inserted the kiln calcining with tubular idiosome then.
2. gas equal pressing equipment that is exclusively used in the described ceramic rod hydrostatic pressing of claim 1 technology, be used for described workpiece is applied the hyperbar of uniform static state, it is characterized in that: described gas equal pressing equipment comprises frame, being used to of the pipe shape of both ends open hold pressure-air and workpiece etc. cylinder pressure, be arranged at frame and fill in respectively and form fixedly chock plug and the movable chock plug that seals the static pressure chamber in the described both ends open place of cylinder pressure that waits, described fixedly chock plug, movable chock plug and etc. be equipped with liquid sealant and air seals between the cylinder pressure, be provided with the topping up ring cavity between described liquid sealant and the described air seals.
3. gas equal pressing equipment as claimed in claim 2, it is characterized in that: described gas equal pressing equipment also comprises the liquid-to-air pressurizer with atmospheric pressure cavity and hydraulic cavities, described atmospheric pressure cavity is communicated with described super-pressure tracheae, and described hydraulic cavities is communicated with by pressure piping with described topping up ring cavity.
4. gas equal pressing equipment as claimed in claim 2 is characterized in that: described gas equal pressing equipment also comprises mobile oil cylinder and lift cylinder, and the movable end of mobile oil cylinder is connected with the described cylinder pressure that waits, and the movable end of lift cylinder is connected with the described cylinder pressure that waits.
5. gas equal pressing equipment as claimed in claim 2, it is characterized in that: described gas equal pressing equipment also comprises the pressure-air supply system that is communicated with described static pressure chamber, described pressure-air supply system comprises booster and the air compressor that connects successively by high-pressure air pipe, lyophilization machine, air-flow check valve, described air-flow check valve is connected by the super-pressure tracheae with described static pressure chamber, and the output of described booster is connected with the super-pressure tracheae.
6. gas equal pressing equipment as claimed in claim 5 is characterized in that: the interface in described super-pressure tracheae and described static pressure chamber is arranged at described fixedly chock plug, and described high-pressure air pipe partly is arranged at described fixedly chock plug inside.
7. as claim 2 or 3 described gas equal pressing equipments, it is characterized in that: described gas equal pressing equipment also comprises the storage tank that connects successively by hydraulic tube, secondary liquid pump, hydraulically-controlled one-way valve, and described hydraulically-controlled one-way valve is connected by pressure piping with described topping up ring cavity.
8. gas equal pressing equipment as claimed in claim 2, it is characterized in that: described gas equal pressing equipment also comprises hydraulic system, described hydraulic system comprises Hydraulic Station, is arranged at the chock plug hydraulic jack that control activity chock plug stretches that is used for of described frame, and described Hydraulic Station is connected by hydraulic oil pipe with described chock plug hydraulic jack.
9. gas equal pressing equipment as claimed in claim 5, it is characterized in that: described gas equal pressing equipment also comprises hydraulic system, described hydraulic system comprises Hydraulic Station, is arranged at the chock plug hydraulic jack that control activity chock plug stretches that is used for of described frame, described Hydraulic Station is connected by hydraulic oil pipe with described chock plug hydraulic jack, described Hydraulic Station is connected by hydraulic oil pipe with the oil cylinder of described booster, and described Hydraulic Station is connected by hydraulic oil pipe with the hydraulic control interface of described air-flow check valve.
10. special horizontal high-isostatic pressing device for ceramic rollers according to claim 6 is characterized in that: the length of described autoclave is 4~7 meters.
CN2009102137328A 2009-12-11 2009-12-11 Ceramic roller isostatic pressing process and special gas isostatic pressing device thereof Active CN101708625B (en)

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CN101708625B CN101708625B (en) 2012-05-16

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102249710A (en) * 2011-05-21 2011-11-23 景德镇诺耐技术陶瓷有限公司 Method for making low-creepage and high-strength high temperature resisting ceramic roller
CN104118047A (en) * 2013-04-24 2014-10-29 佛山市南海金刚新材料有限公司 Ceramic roller bar outer supporting isostatic pressing forming method and special mold
CN113798114A (en) * 2021-10-18 2021-12-17 常州都铂高分子有限公司 Anti-coagulation gluing device for adhesive tape production and using method
CN117359754A (en) * 2023-07-04 2024-01-09 广东冠星陶瓷企业有限公司 Isostatic pressing dry pressing forming system for ceramic tile production

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1075678A (en) * 1992-06-06 1993-09-01 佛山市陶瓷研究所 Static pressure process of ceramic roll formation and shaping mould thereof
CN1070361A (en) * 1992-06-06 1993-03-31 佛山市陶瓷研究所 Static pressure process of ceramic roll formation and shaping mould thereof
CN1169024C (en) * 2002-04-19 2004-09-29 清华大学 Precise workstable structure for array IC photoetching system
SI1882571T1 (en) * 2006-07-26 2012-12-31 Ta-Ro Progetti S.N.C. Di Tagliati Rodolfo E C. An isostatic die for tile forming
CN101003149A (en) * 2007-01-12 2007-07-25 天津城市建设学院 Preparing die for perforated ceramics, and application in method of isostatic compaction

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102249710A (en) * 2011-05-21 2011-11-23 景德镇诺耐技术陶瓷有限公司 Method for making low-creepage and high-strength high temperature resisting ceramic roller
CN102249710B (en) * 2011-05-21 2013-03-27 景德镇诺耐技术陶瓷有限公司 Method for making low-creepage and high-strength high temperature resisting ceramic roller
CN104118047A (en) * 2013-04-24 2014-10-29 佛山市南海金刚新材料有限公司 Ceramic roller bar outer supporting isostatic pressing forming method and special mold
CN104118047B (en) * 2013-04-24 2016-08-10 佛山市南海金刚新材料有限公司 Ceramic rod outer support isostatic pressing method and particular manufacturing craft
CN113798114A (en) * 2021-10-18 2021-12-17 常州都铂高分子有限公司 Anti-coagulation gluing device for adhesive tape production and using method
CN117359754A (en) * 2023-07-04 2024-01-09 广东冠星陶瓷企业有限公司 Isostatic pressing dry pressing forming system for ceramic tile production
CN117359754B (en) * 2023-07-04 2024-04-02 广东冠星陶瓷企业有限公司 Isostatic pressing dry pressing forming system for ceramic tile production

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