CN102010199A - Production method of zirconia ceramic bushing - Google Patents
Production method of zirconia ceramic bushing Download PDFInfo
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- CN102010199A CN102010199A CN 201010550351 CN201010550351A CN102010199A CN 102010199 A CN102010199 A CN 102010199A CN 201010550351 CN201010550351 CN 201010550351 CN 201010550351 A CN201010550351 A CN 201010550351A CN 102010199 A CN102010199 A CN 102010199A
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Abstract
The invention relates to a production method of a zirconia ceramic bushing which is produced by using an injection moulding method. The method comprises the following steps: adding a certain amount of powder organic carrier into zirconia powder which is taken as a main part, wherein the weight part ratio of the zirconia powder to the powder organic carrier is 100:(10-30); and banburying the raw material obtained by blending the zirconia powder and the powder organic carrier, manufacturing a green body through the injection moulding process, then carrying out secondary degreasing treatment through oil soaking and hot degreasing, and finally manufacturing a zirconia ceramic special-shaped piece with high performance through a sintering process. The powder organic carrier is the secondary mixture of a mixture of polyethylenes and polypropylenes with three or more different melt molecular numbers, vegetable oil, oleic acid and paraffin.
Description
Technical field
The present invention relates to a kind of making method of ferrule, refer in particular to a kind of method of utilizing injection molding to make high-performance nano zirconia ceramics ferrule, belong to the industrial ceramics production technical field.
Background technology
The joints of optical fibre are the continuing property optical passive components of indispensable usage quantity maximum in the opticfiber communication cable as the core devices of optical interconnection Product Family, are a kind of means that are connected that realize fast and reliable ground switching between optical fiber and optical fiber, optical fiber and the instrument.Along with the development of opticfiber communication cause, in the past decade the joints of optical fibre have also been obtained significant development.
In recent years, continuous expansion along with the opticfiber communication application, in particular for the needs that adapt to Optical Access Network and fiber-to-the-home front yard (FTTH), various countries competitively develop the novel optical fiber connector of various models and specification, and these products are all having significant improvement aspect performance and the cost degradation.Demand is also increasing.
Key part-the ferrule of the joints of optical fibre generally adopts porcelain bushing at present, this is because the endoporus and the cylindrical of accurate porcelain bushing have extraordinary concentricity, diameter tolerance is minimum, light loss is little, being convenient to the joints of optical fibre makes at the scene or in factory, the temperature profile of material and wear resistance are all very good again, so the appearance of this material is enjoyed great popularity.
The prosperity of China's Mainland telecommunications industry had driven the development of the local joints of optical fibre in recent years.Statistics in 2009: just with the rate increase in every year 25%, supply falls short of demand for ceramic ferrule for fiber optic component.
Domestic colleague produces zirconia ceramic sleeve, adopts isostatic pressing method usually.The product that this method is produced is than injection forming and hot die-casting molding quality height, burn till shrink little, the base substrate densification, not yielding, but this method is difficult for realizing automatic production that production efficiency is low, and its product strength is undesirable, does not meet current low-carbon economy requirement.Therefore necessary this is improved.
Summary of the invention
Purpose of the present invention is exactly according to the present low deficiency of zirconia ceramic sleeve production efficiency, provides a kind of production efficiency higher zirconia ceramic sleeve production method; This zirconia ceramic sleeve production method is further enhanced productivity under the prerequisite that guarantees the zirconia ceramic sleeve quality of production, improves the quality of products.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is: a kind of production method of zirconia ceramic sleeve, adopt injection moulding method to produce zirconia ceramic sleeve, based on Zirconium oxide powder, the powder organic carrier that adds certain deal, the proportioning of zirconium white powder and powder organic carrier are 100:10-30 quality parts by weight; The raw material that zirconium white powder and powder organic carrier are mixed adopts injection molding technique to make base substrate by behind the close white silk again, by bubble oil and hot skimming treatment, makes high performance zirconia ceramic sleeve by sintering process at last again.
The secondary mixture of polyethylene that described powder organic carrier is a different melt molecule number more than three kinds or three kinds and polypropylene miser and vegetables oil, oleic acid and paraffin, promptly adopt polyethylene that has the different melt molecule number more than three kinds or three kinds and the polypropylene that has the different melt molecule number more than three kinds or three kinds to mix, form polyethylene and polypropylene miser, be in the same place with vegetables oil, oleic acid and mineral wax mixture again, form a kind of new mixture; Make full use of performance complement between the polyethylene of different melt molecule number and the polypropylene, satisfy of the requirement of ceramic ferrule production technique, guarantee processability and sintered body material homogeneity and high strength requirement the injection material.
The described polyethylene that has the different melt molecule number more than three kinds or three kinds is any polyethylene that has the different melt molecule number more than three kinds or three kinds;
The described polypropylene that has the different melt molecule number more than three kinds or three kinds is any polypropylene that has the different melt molecule number more than three kinds or three kinds;
Described more than three kinds or three kinds the polyethylene of different melt molecule number and the proportioning of polypropylene miser be: polyethylene: polypropylene=1:0.3-3.
Described powder organic carrier proportioning is as follows according to powder organic carrier total weight percent:
Polyethylene and polypropylene miser 20-60%;
Vegetables oil 5-40%;
Oleic acid 1-5%;
Paraffin 5-50%.
Described batch mixing is meant: earlier the internal mixer temperature is transferred to the 80-160 degree, the organic carrier of 10-80 weight part is added the indoor close white silk of close white silk with 2-4 stage gradation, zirconia powder with 100 weight parts adds the indoor close white silk of close white silk with 2-4 stage gradation simultaneously, the two hockets, and closes close experienced chamber after 20-30 minute.180 degree of temperature liter are got the material cooling after close experienced 40-80 minute.Particle makes the injection material that granularity is not more than 5 millimeters then;
Described injection molding is meant: will inject material and be added on hopper, and obtain molding blank by injector.Processing condition are: mould temperature 40-50 degree, penetrate temperature 140-200 degree, and penetrate pressure 50-100Mpa;
Described bubble oil is meant: will fix base substrate and place in the porose box, immersion fills in the container of special kerosene, entire container is inserted steeped oil in the tank again; Bubble oil comprises cold bubble oil and/or thermal oil, and the fs is cold bubble oil, under the room temperature, and time 0-12 hour; Subordinate phase is a thermal oil, to different products, with 0.02-0.5 degree/minute different temperature rise rates, rises to the 45-60 degree from room temperature stage by stage, is incubated 1-16 hour.Used media can reclaim again and use; Adopt the method for bubble oil to remove organism in the base substrate, and, when the heating of bubble oil, formulate different heating curves, the base substrate bubble oil time is shortened, guarantee effectively that simultaneously product does not ftracture at the characteristic of variant production;
Described hot degreasing is meant: will steep base substrate after the oil drying and move in the debinding furnace with 0.5-2 degree/minute rise to 160-180 degree, be incubated 1-2 hour, again with 0.5-1 degree/minute rise to 260 degree, be incubated 1-3 hour, with 0.01-3 degree/minute rise to 500 degree, be incubated 2-3 hour again, again with 1-5 degree/minute rise to 800-1000 degree, be incubated 1-3 hour, be cooled to room temperature;
Described sintering is meant: with degreasing blank with temperature rise rate 0.5-5 degree/minute different temperature rise rates, be warming up to sintering temperature stage by stage, be incubated 1-6 hour.About sintering range 1400 degree, adopt normal pressure-sintered.The stove internal cooling gets product.
The manufacture craft of the production method of described zirconia ceramic sleeve comprises:
1, batch mixing: the organism pick of will being correlated with cleaning is also dry, makes organic carrier by prescription.With preparing burden with organic carrier after the powder drying, in mixer, mix, reach after the requirement batch mixing is taken out cooling, standby.
2, material is broken: with the cooling block material, with Material disintegrator or hand-crushed, make the injection material that meets the requirements, the defective products of the tailing of moulding, burr, defective products and repaired biscuit and chip are broken into the injection material by processing requirement.
3, injection molding: put into the injector hopper by the injection material that the kind requirement will be suitable for, according to certain injection technique condition, injection molding is blank.
5, bubble oil: clean base is dissolved in the superior kerosene, and by cold bubble of certain technology or thermal, the stripping partial organic substances is taken out drying for standby then.
6, degreasing: will steep the oil drying base substrate and pack in the binder removal stove, and drain organism under 800 ℃ of temperature, cooling.
7, sintering: cooled base substrate is gone into as high temperature sintering furnace, 1400 ℃ of temperature left and right sides air atmosphere sintering, cooling.
8, go-on-go: salable product are selected, and packing is dispatched from the factory.
The invention has the advantages that: the present invention adopts the ceramic injection forming technology to produce, in conjunction with the polyethylene of different melt molecule number and the secondary mixture of polypropylene miser and vegetables oil, oleic acid and paraffin, effectively changed the injection molding operational characteristic of high-performance nano zirconium white, and have that product size precision height, machining amount are little, characteristic such as good product performance and efficient height, level of automation height.The successful Application of this technology can guarantee that zirconia ceramics has high rigidity, high tenacity, precision is high and performance that easily process, the bigger problems of the tolerance that production technique caused such as isostatic pressing, injection forming and hot die-casting molding have in the past been solved, the operation and the expense of product reprocessing have been saved, significantly reduce production cost and time, working efficiency and economic benefit are obviously improved.Thereby technical foundation has preferably been established in the large-scale production of high-performance nano zirconia ceramic sleeve.
Because polyethylene and polypropylene all belong to high molecular polymer, all are macromolecular compounds, the macromole of being made up of the atom of enormous amount constitutes.Macromole be by one or more small molecules by primary valence bond be formed by connecting one by one be by one or more small molecules by chain or network molecule chain or network molecule that primary valence bond is formed by connecting one by one, can be divided into low molecular weight polyethylene, common molecular weight polyethylene and ultrahigh molecular weight polyethylene(UHMWPE) by molecular weight.And find to have different physical propertys for the polyethylene or the polypropylene of different melt molecule number by test, all has advantage in a certain respect, therefore their kind as much as possible is mixed and effectively to change polyethylene or polyacrylic over-all properties, especially for improving polyethylene or polyacrylic injection molding performance is very beneficial.
In addition, in adopting injection molding technique manufacturing nanometer zirconium oxide ceramic ferrule process, must add a certain amount of macromolecule resin in the raw material as binding agent, be made of mixing the injection material with ceramic powder, but in the sintering process of back, discharge as macromolecule resin that will be wherein, will cause the blank distortion, easy to crack, form defective such as pore easily.Therefore, make the degreasing of base substrate also become a great problem in the whole complete processing.The present invention adopts the superior kerosene heating that the base substrate of fixing after the injection molding is soaked, quench and get partial organic substances in the base substrate, and, when heating, formulate different heating curves at the characteristic of variant production, the bubble oil time is shortened, guarantee effectively that simultaneously product does not ftracture.Adopt high temperature binder removal method to make organism obtain effective full scale clearance afterwards again.Product uses that degreasing and sintering qualification rate reach 99.9% and 99% respectively after this technology.
Description of drawings
Fig. 1 is a process flow diagram of the present invention.
Embodiment
The present invention will be further described below in conjunction with drawings and Examples.
Accompanying drawing 1 has provided a concrete implementing process flow process of the present invention, by accompanying drawing as can be seen, the present invention relates to a kind of production method of zirconia ceramic sleeve, adopt injection moulding method to produce zirconia ceramic sleeve, based on Zirconium oxide powder, the powder organic carrier that adds certain deal, the proportioning of zirconium white powder and powder organic carrier is the 100:10-30 parts by weight; The raw material that zirconium white powder and powder organic carrier are mixed adopts injection molding technique to make base substrate by behind the close white silk again, handles by the secondary degreasing of bubble oil and heating degreasing again, makes high performance zirconia ceramics abnormal member by sintering process at last.
The secondary mixture of polyethylene that described powder organic carrier is a different melt molecule number more than three kinds or three kinds and polypropylene miser and vegetables oil, oleic acid and paraffin, promptly adopt polyethylene that has the different melt molecule number more than three kinds or three kinds and the polypropylene that has the different melt molecule number more than three kinds or three kinds to mix, form polyethylene and polypropylene miser, be in the same place with vegetables oil, oleic acid and mineral wax mixture again, form a kind of new mixture; Make full use of performance complement between the polyethylene of different melt molecule number and the polypropylene, satisfy of the requirement of ceramic ferrule production technique, guarantee processability and sintered body material homogeneity and high strength requirement the injection material.
The described polyethylene that has the different melt molecule number more than three kinds or three kinds is any polyethylene that has the different melt molecule number more than three kinds or three kinds;
The described polypropylene that has the different melt molecule number more than three kinds or three kinds is any polypropylene that has the different melt molecule number more than three kinds or three kinds;
Described more than three kinds or three kinds the polyethylene of different melt molecule number and the proportioning of polypropylene miser be: polyethylene: polypropylene=1:0.3-3.
Described powder organic carrier proportioning is as follows according to powder organic carrier total weight percent:
Polyethylene and polypropylene miser 20-60%;
Vegetables oil 5-40%;
Oleic acid 1-5%;
Paraffin 5-50%.
Described batch mixing is meant: earlier the internal mixer temperature is transferred to the 80-160 degree, the organic carrier of 10-80 weight part is added the indoor close white silk of close white silk with 2-4 stage gradation, zirconia powder with 100 weight parts adds the indoor close white silk of close white silk with 2-4 stage gradation simultaneously, the two hockets, and closes close experienced chamber after 20-30 minute.180 degree of temperature liter are got the material cooling after close experienced 40-80 minute.Particle makes the injection material that granularity is not more than 5 millimeters then;
Described injection molding is meant: will inject material and be added on hopper, and obtain molding blank by injector.Processing condition are: mould temperature 40-50 degree, penetrate temperature 140-200 degree, and penetrate pressure 50-100Mpa;
Described bubble oil is meant: will fix base substrate and place in the porose box, immersion fills in a kind of container of superior kerosene, entire container is inserted steeped oil in the tank again; Bubble oil comprises cold bubble oil and/or thermal oil, and the fs is cold bubble oil, under the room temperature, and time 0-12 hour; Subordinate phase is a thermal oil, to different products, with 0.02-0.5 degree/minute different temperature rise rates, rises to the 45-60 degree from room temperature stage by stage, is incubated 1-16 hour.Used media can reclaim again and use; Adopt the method for bubble oil to remove organism in the base substrate, and, when the heating of bubble oil, formulate different heating curves, the base substrate bubble oil time is shortened, guarantee effectively that simultaneously product does not ftracture at the characteristic of variant production;
Described heating degreasing is meant: will steep base substrate after the oil drying and move in the debinding furnace with 0.5-2 degree/minute rise to 160-180 degree, be incubated 1-2 hour, again with 0.5-1 degree/minute rise to 260 degree, be incubated 1-3 hour, with 0.01-3 degree/minute rise to 500 degree, be incubated 2-3 hour again, again with 1-5 degree/minute rise to 800-1000 degree, be incubated 1-3 hour, be cooled to room temperature;
Described sintering is meant: with degreasing blank with temperature rise rate 0.5-5 degree/minute different temperature rise rates, be warming up to sintering temperature stage by stage, be incubated 1-6 hour.About sintering range 1400 degree, adopt normal pressure-sintered.The stove internal cooling gets product.
The manufacture craft of the production method of described zirconia ceramic sleeve comprises:
1, batch mixing: the organism pick of will being correlated with cleaning is also dry, makes organic carrier by prescription.With preparing burden with organic carrier after the powder drying, in mixer, mix, reach after the requirement batch mixing is taken out cooling, standby.
2, material is broken: with the cooling block material, with Material disintegrator or hand-crushed, make the injection material that meets the requirements, the defective products of the tailing of moulding, burr, defective products and repaired biscuit and chip are broken into the injection material by processing requirement.
3, injection molding: put into the injector hopper by the injection material that the kind requirement will be suitable for, according to certain injection technique condition, injection molding is blank.
5, bubble oil: clean base is dissolved in the organic solvent, and by cold bubble of certain technology or thermal, the stripping partial organic substances is taken out drying for standby then.
6, degreasing: will steep oily base substrate and pack in the binder removal stove, and drain organism under 800 ℃ of temperature, cooling.
7, sintering: cooled base substrate is gone into as high temperature sintering furnace, air atmosphere sintering under the 1400 degree left and right sides temperature, cooling.
8, go-on-go: salable product are selected, and packing is dispatched from the factory.
Embodiment one
This zirconia ceramics injection moulding method and powder organic carrier, based on Zirconium oxide powder, add organic carrier according to Zirconium oxide powder and organic carrier 100:30 parts by weight, adopt injection molding technique to make base substrate, make high performance zirconia ceramic product by steeping oil, heating degreasing and sintering again.
Described powder organic carrier comprises: three kinds of polyethylene (low molecular weight polyethylene, common molecular weight polyethylene and ultrahigh molecular weight polyethylene(UHMWPE) any three kinds), three kinds of polypropylene (low molecular weight polyethylene, common molecular weight polyethylene and ultrahigh molecular weight polypropylene any three kinds), vegetables oil, oleic acid, paraffin.The proportioning of selecting for use of described powder organic carrier is the polyethylene 10% of powder organic carrier gross weight, polypropylene 30%, vegetables oil 5%, oleic acid 5%, paraffin 50%.
Described zirconia ceramic product manufacture craft comprises:
1, batch mixing step: earlier the internal mixer temperature is transferred to 160 degree, with the organic carrier of 80 weight parts and the zirconia powder of 100 weight parts, with an organic carrier, once oxidation zirconium powder, the two alternative mode is divided and is added the indoor close white silk of close white silk for 4 times, closes close experienced chamber after 30 minutes.180 degree of temperature liter, close white silk was got material after 80 minutes.Cooling.Particle makes the injection material that granularity is not more than 5 millimeters.
2, injection molding step: will inject material and be added on hopper, and obtain molding blank by injector.Processing condition are: mould temperature 50 degree, penetrate temperature 200 degree, and penetrate pressure 100Mpa.
3, steep oily step: will fix base substrate and place in the porose box, immersion fills in the container of superior kerosene, entire container is inserted steeped oil in the tank again; Fs is a cold bubble oil, and under the room temperature, 12 hours time, subordinate phase is a thermal oil, from room temperature with temperature rise rate 0.5 degree/minute, rise to 60 degree, be incubated 16 hours; Used media can reclaim again and use.
4, heating defatting step: the base substrate behind the media degreaser drying is moved in the debinding furnace with 2 degree/minute rise to, 180 degree, be incubated 2 hours, again with 1 degree/minute rise to, 260 degree, be incubated 3 hours, with 3 degree/minute rise to 500 degree, be incubated 3 hours again, again with 5 degree/minute rise to 1000 to spend, be incubated 3 hours, be cooled to room temperature.
5, sintering step: degreasing blank with temperature rise rate 5 degree/minute different temperature rise rates, is warming up to sintering temperature stage by stage, is incubated 6 hours.About sintering range 1400 degree, adopt normal pressure-sintered.The stove internal cooling gets product.
Embodiment two:
Based on Zirconium oxide powder, add organic carrier according to Zirconium oxide powder and organic carrier 100:10 parts by weight, adopt injection molding technique to make base substrate, make high performance zirconia ceramic product by media degreasing, heating degreasing and sintering again.
Described powder organic carrier comprises: four kinds of polyethylene (low molecular weight polyethylene, common molecular weight polyethylene and ultrahigh molecular weight polyethylene(UHMWPE) any four kinds), four kinds of polypropylene (low molecular weight polyethylene, common molecular weight polyethylene and ultrahigh molecular weight polypropylene any four kinds), vegetables oil, oleic acid, paraffin.The proportioning of selecting for use of described powder organic carrier is the polyethylene 30% of powder organic carrier gross weight, polypropylene 10%, vegetables oil 40%, oleic acid 1%, paraffin 19%.
Described zirconia ceramic product manufacture craft comprises:
1, batch mixing step: earlier the internal mixer temperature is transferred to 80 degree, with the organic carrier of 10 weight parts and the zirconia powder of 100 weight parts, with an organic carrier, once oxidation zirconium powder, the two alternative mode is divided and is added the indoor close white silk of close white silk for 2 times, closes close experienced chamber after 30 minutes.180 degree of temperature liter, close white silk was got material after 80 minutes.Cooling.Particle makes the injection material that granularity is not more than 5 millimeters.
2, injection molding step: will inject material and be added on hopper, and obtain molding blank by injector.Processing condition are: mould temperature 40 degree, penetrate temperature 140 degree, and penetrate pressure 50Mpa.
3, steep oily step: will fix base substrate and place in the porose box, immerse in the superior kerosene container, and entire container be inserted directly carried out thermal oil in the tank again, from room temperature with temperature rise rate 0.02 degree/minute, rise to 40 degree, be incubated 1 hour; Used media can reclaim again and use.
4, heating defatting step: the base substrate behind the media degreaser drying is moved in the debinding furnace with 0.5 degree/minute rise to, 160 degree, be incubated 1 hour, again with 0.5 degree/minute rise to, 260 degree, be incubated 1 hour, with 0.01 degree/minute rise to 500 degree, be incubated 2 hours again, again with 1 degree/minute rise to 800 to spend, be incubated 1 hour, be cooled to room temperature.
5, sintering step: degreasing blank with temperature rise rate 0.5 degree/minute different temperature rise rates, is warming up to sintering temperature stage by stage, is incubated 1 hour.About sintering range 1400 degree, adopt normal pressure-sintered.The stove internal cooling gets product.
Embodiment three:
Based on Zirconium oxide powder, add organic carrier according to Zirconium oxide powder and organic carrier 100:50 parts by weight, adopt injection molding technique to make base substrate, make high performance zirconia ceramic product by steeping oil, heating degreasing and sintering again.
Described powder organic carrier comprises: six kinds of polyethylene (low molecular weight polyethylene, common molecular weight polyethylene and ultrahigh molecular weight polyethylene(UHMWPE) any six kinds), six kinds of polypropylene (low molecular weight polyethylene, common molecular weight polyethylene and ultrahigh molecular weight polypropylene any six kinds), vegetables oil, oleic acid, paraffin.The proportioning of selecting for use of described powder organic carrier is the polyethylene 20% of powder organic carrier gross weight, polypropylene 20%, vegetables oil 30%, oleic acid 5%, paraffin 25%.
Described zirconia ceramic product manufacture craft comprises:
1, batch mixing step: earlier the internal mixer temperature is transferred to 120 degree, with the organic carrier of 50 weight parts and the zirconia powder of 100 weight parts, with an organic carrier, once oxidation zirconium powder, the two alternative mode is divided and is added the indoor close white silk of close white silk for 3 times, closes close experienced chamber after 25 minutes.180 degree of temperature liter, close white silk was got material after 60 minutes.Cooling.Particle makes the injection material that granularity is not more than 5 millimeters.
2, injection molding step: will inject material and be added on hopper, and obtain molding blank by injector.Processing condition are: mould temperature 45 degree, penetrate temperature 160 degree, and penetrate pressure 80Mpa.
3, steep oily step: will fix base substrate and place in the porose box, immersion fills in the container of superior kerosene, entire container is inserted steeped oil in the tank again; Bubble oil comprises cold bubble oil and/or thermal oil, and the fs is cold bubble oil, under the room temperature, and 2 hours time; Subordinate phase is a thermal oil, to different products, with 0.05 degree/minute different temperature rise rates, rises to 50 degree from room temperature stage by stage, is incubated 6 hours.Used media can reclaim again and use.
4, heating defatting step: the base substrate behind the media degreaser drying is moved in the debinding furnace with 1 degree/minute rise to, 170 degree, be incubated 2 hours, again with 0.8 degree/minute rise to, 260 degree, be incubated 2 hours, with 0. 3 degree/minute rise to 500 degree, be incubated 2 hours again, again with 2 degree/minute rise to 900 to spend, be incubated 2 hours, be cooled to room temperature.
5, sintering step: degreasing blank with temperature rise rate 2 degree/minute different temperature rise rates, is warming up to sintering temperature stage by stage, is incubated 3 hours.About sintering range 1400 degree, adopt normal pressure-sintered.The stove internal cooling gets product.
Embodiment four:
Embodiment four is the same substantially with embodiment three, and just the proportioning of selecting for use of powder organic carrier is the polyethylene 30% of powder organic carrier gross weight, polypropylene 30%, vegetables oil 30%, oleic acid 5%, paraffin 5%.Other is the same with embodiment three.
Claims (10)
1. the production method of a zirconia ceramic sleeve, adopt injection moulding method to produce zirconia ceramic sleeve, it is characterized in that: based on Zirconium oxide powder, add the powder organic carrier of certain deal, the proportioning of zirconium white powder and powder organic carrier is the 100:10-30 parts by weight; The raw material that zirconium white powder and powder organic carrier are mixed adopts injection molding technique to make base substrate by behind the close white silk again, handles by the secondary degreasing of bubble oil and heating degreasing again, makes high performance zirconia ceramics abnormal member by sintering process at last.
2. the production method of a kind of zirconia ceramic sleeve as claimed in claim 1, it is characterized in that: the secondary mixture of polyethylene that described powder organic carrier is a different melt molecule number more than three kinds or three kinds and polypropylene miser and vegetables oil, oleic acid and paraffin, promptly adopt polyethylene that has the different melt molecule number more than three kinds or three kinds and the polypropylene that has the different melt molecule number more than three kinds or three kinds to mix, form polyethylene and polypropylene miser, be in the same place with vegetables oil, oleic acid and mineral wax mixture again, form a kind of new mixture; Make full use of performance complement between the polyethylene of different melt molecule number and the polypropylene, satisfy of the requirement of ceramic ferrule production technique, guarantee processability and sintered body material homogeneity and high strength requirement the injection material.
3. the production method of a kind of zirconia ceramic sleeve as claimed in claim 2, it is characterized in that: the described polyethylene that has the different melt molecule number more than three kinds or three kinds is any polyethylene that has the different melt molecule number more than three kinds or three kinds; The described polypropylene that has the different melt molecule number more than three kinds or three kinds is any polypropylene that has the different melt molecule number more than three kinds or three kinds.
4. the production method of a kind of zirconia ceramic sleeve as claimed in claim 3 is characterized in that: described more than three kinds or three kinds the polyethylene of different melt molecule number and the proportioning of polypropylene miser be: polyethylene: polypropylene=1:0.3-3.
5. as the production method of the described a kind of zirconia ceramic sleeve of claim 1-4, it is characterized in that: described powder organic carrier proportioning is for as follows according to powder organic carrier total weight percent:
Polyethylene and polypropylene miser 20-60%;
Vegetables oil 5-40%;
Oleic acid 1-5%;
Paraffin 5-50%.
6. as the production method of the described a kind of zirconia ceramic sleeve of claim 1-4, it is characterized in that: the manufacture craft of the production method of described zirconia ceramic sleeve comprises:
1) batch mixing: the organism pick of will being correlated with cleaning is also dry, makes organic carrier by prescription; With preparing burden with organic carrier after the powder drying, in mixer, mix, reach after the requirement batch mixing is taken out cooling, standby;
2) material is broken: with the cooling block material, with Material disintegrator or hand-crushed, make the injection material that meets the requirements, the defective products of the tailing of moulding, burr, defective products and repaired biscuit and chip are broken into the injection material by processing requirement;
3) injection molding: put into the injector hopper by the injection material that the kind requirement will be suitable for, according to certain injection technique condition, injection molding is blank;
5) bubble oil: clean base is dissolved in the organic solvent, and by cold bubble of certain technology or thermal, the stripping partial organic substances is taken out drying for standby then;
6) degreasing: will steep oily base substrate and pack in the binder removal stove, and drain organism under 800 ℃ of temperature, cooling;
7) sintering: cooled base substrate is gone into as high temperature sintering furnace, air atmosphere sintering under the 1400 degree left and right sides temperature, cooling;
8) go-on-go: salable product are selected, and packing is dispatched from the factory.
7. the production method of a kind of zirconia ceramic sleeve as claimed in claim 6, it is characterized in that: described batch mixing is meant: earlier the internal mixer temperature is transferred to the 80-160 degree, the organic carrier of 10-80 weight part is added the indoor close white silk of close white silk with 2-4 stage gradation, zirconia powder with 100 weight parts adds the indoor close white silk of close white silk with 2-4 stage gradation simultaneously, the two hockets, and closes close experienced chamber after 20-30 minute; 180 degree of temperature liter are got the material cooling after close experienced 40-80 minute; Particle makes the injection material that granularity is not more than 5 millimeters then.
8. the production method of a kind of zirconia ceramic sleeve as claimed in claim 6, it is characterized in that: described injection molding is meant: will inject material and be added on hopper, and obtain molding blank by injector; Processing condition are: mould temperature 40-50 degree, penetrate temperature 140-200 degree, and penetrate pressure 50-100Mpa.
9. the production method of a kind of zirconia ceramic sleeve as claimed in claim 6, it is characterized in that: described bubble oil is meant: will fix base substrate and place in the porose box, immersion fills in a kind of container of superior kerosene, entire container is inserted steeped oil in the tank again; Bubble oil comprises cold bubble oil and/or thermal oil, and the fs is cold bubble oil, under the room temperature, and time 0-12 hour; Subordinate phase is a thermal oil, to different products, with 0.02-0.5 degree/minute different temperature rise rates, rises to the 45-60 degree from room temperature stage by stage, is incubated 1-16 hour; Used media can reclaim again and use; Adopt the method for bubble oil to remove organism in the base substrate, and, when the heating of bubble oil, formulate different heating curves, the base substrate bubble oil time is shortened, guarantee effectively that simultaneously product does not ftracture at the characteristic of variant production; Described heating degreasing is meant: will steep base substrate after the oil drying and move in the debinding furnace with 0.5-2 degree/minute rise to 160-180 degree, be incubated 1-2 hour, again with 0.5-1 degree/minute rise to 260 degree, be incubated 1-3 hour, with 0.01-3 degree/minute rise to 500 degree, be incubated 2-3 hour again, again with 1-5 degree/minute rise to 800-1000 degree, be incubated 1-3 hour, be cooled to room temperature.
10. the production method of a kind of zirconia ceramic sleeve as claimed in claim 6, it is characterized in that: described sintering is meant: with degreasing blank with temperature rise rate 0.5-5 degree/minute different temperature rise rates, be warming up to sintering temperature stage by stage, be incubated 1-6 hour; About sintering range 1400 degree, adopt normal pressure-sintered; The stove internal cooling gets product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010550351 CN102010199B (en) | 2010-11-19 | 2010-11-19 | Production method of zirconia ceramic bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010550351 CN102010199B (en) | 2010-11-19 | 2010-11-19 | Production method of zirconia ceramic bushing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102010199A true CN102010199A (en) | 2011-04-13 |
| CN102010199B CN102010199B (en) | 2013-06-05 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103113102A (en) * | 2013-03-15 | 2013-05-22 | 湖南正阳精密陶瓷有限公司 | Zirconia ceramic insert core and preparation method thereof |
| CN105016726A (en) * | 2015-07-04 | 2015-11-04 | 福建省德化福杰陶瓷有限公司 | Nanometer zirconium oxide composite ceramic material, tooth color-imitating nanometer zirconium oxide composite ceramic tooth and preparation method thereof |
| CN105272226A (en) * | 2015-10-28 | 2016-01-27 | 金业新材料科技(昆山)有限公司 | Preparation method of composite stabilized zirconia feed for injection molding by thermal release |
| CN105837206A (en) * | 2016-03-24 | 2016-08-10 | 湖南正阳精密陶瓷有限公司 | Manufacturing method of zirconia ceramic large-scale thin-wall device |
| CN106476117A (en) * | 2016-10-10 | 2017-03-08 | 东莞华晶粉末冶金有限公司 | A kind of method inlaying sapphire glass in zirconia ceramicss |
| CN106631010A (en) * | 2016-11-02 | 2017-05-10 | 湖北扬攀冶金科技有限公司 | Pelletizing method for ceramic powder |
| CN107500759A (en) * | 2017-09-02 | 2017-12-22 | 绵阳凤面科技有限公司 | A kind of production technology of zirconia ceramics panel applied to electronic operation device |
| CN109776090A (en) * | 2017-11-15 | 2019-05-21 | 辽宁爱尔创科技有限公司 | A kind of preparation method of 3D zirconia ceramics mobile phone backboard and the product of preparation |
| CN109776091A (en) * | 2017-11-15 | 2019-05-21 | 辽宁爱尔创科技有限公司 | A kind of preparation method of zirconia ceramics sleeve and its product of preparation |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103113102A (en) * | 2013-03-15 | 2013-05-22 | 湖南正阳精密陶瓷有限公司 | Zirconia ceramic insert core and preparation method thereof |
| CN103113102B (en) * | 2013-03-15 | 2014-08-27 | 湖南正阳精密陶瓷有限公司 | Zirconia ceramic insert core and preparation method thereof |
| CN105016726A (en) * | 2015-07-04 | 2015-11-04 | 福建省德化福杰陶瓷有限公司 | Nanometer zirconium oxide composite ceramic material, tooth color-imitating nanometer zirconium oxide composite ceramic tooth and preparation method thereof |
| CN105272226A (en) * | 2015-10-28 | 2016-01-27 | 金业新材料科技(昆山)有限公司 | Preparation method of composite stabilized zirconia feed for injection molding by thermal release |
| CN105837206A (en) * | 2016-03-24 | 2016-08-10 | 湖南正阳精密陶瓷有限公司 | Manufacturing method of zirconia ceramic large-scale thin-wall device |
| CN105837206B (en) * | 2016-03-24 | 2018-05-18 | 湖南正阳精密陶瓷有限公司 | A kind of zirconia ceramics large size thin pieces device manufacture method |
| CN106476117A (en) * | 2016-10-10 | 2017-03-08 | 东莞华晶粉末冶金有限公司 | A kind of method inlaying sapphire glass in zirconia ceramicss |
| CN106631010A (en) * | 2016-11-02 | 2017-05-10 | 湖北扬攀冶金科技有限公司 | Pelletizing method for ceramic powder |
| CN107500759A (en) * | 2017-09-02 | 2017-12-22 | 绵阳凤面科技有限公司 | A kind of production technology of zirconia ceramics panel applied to electronic operation device |
| CN109776090A (en) * | 2017-11-15 | 2019-05-21 | 辽宁爱尔创科技有限公司 | A kind of preparation method of 3D zirconia ceramics mobile phone backboard and the product of preparation |
| CN109776091A (en) * | 2017-11-15 | 2019-05-21 | 辽宁爱尔创科技有限公司 | A kind of preparation method of zirconia ceramics sleeve and its product of preparation |
| CN109776090B (en) * | 2017-11-15 | 2021-09-10 | 辽宁爱尔创科技有限公司 | Preparation method of 3D zirconia ceramic mobile phone backboard and prepared product |
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Effective date of registration: 20200527 Address after: Dingshuzhen pottery road Yixing City, Jiangsu province 214000 Wuxi City No. 138 Patentee after: Jiangsu Hengxin Technology Co.,Ltd. Address before: 412200 Liling ceramic science and Technology Industrial Park, Hunan, Zhuzhou Patentee before: HUNAN ZHENGYANG PRECISION CERAMICS Co.,Ltd. |
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