CN105751351A - Production method for industrial ceramic products - Google Patents
Production method for industrial ceramic products Download PDFInfo
- Publication number
- CN105751351A CN105751351A CN201610135310.3A CN201610135310A CN105751351A CN 105751351 A CN105751351 A CN 105751351A CN 201610135310 A CN201610135310 A CN 201610135310A CN 105751351 A CN105751351 A CN 105751351A
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- CN
- China
- Prior art keywords
- blank
- production method
- industrial ceramics
- product according
- ceramics product
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/001—Applying decorations on shaped articles, e.g. by painting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/243—Setting, e.g. drying, dehydrating or firing ceramic articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
- B28B17/026—Conditioning ceramic materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/003—Pressing by means acting upon the material via flexible mould wall parts, e.g. by means of inflatable cores, isostatic presses
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention relates to a production method for industrial ceramic products. A carving machine is used for molding and carving a blank. The production method provided by the invention is capable of solving the de-molding problem of the ceramic products in complex shape, and a simple, low-cost and efficient production method is provided for the ceramic products in complex shape. The ceramic products can be conveniently industrialized.
Description
Technical field
The invention belongs to ceramic product processing technique field, be specifically related to a kind of industrial ceramics production method, particularly relate to production method complex-shaped, be difficult to the industrial ceramics product of the demoulding by existing method.
Background technology
Industrial ceramics, namely commercial production is used and industrial products pottery.It is mainly used in wear-resisting or acid-alkali-corrosive-resisting operating mode, it produces the methods such as molding many employings injection forming, compressing, wax moulding and is solidified by ceramic powder, it is placed on after reconditioning in stove, is fired into ceramic product or semi-finished product according to the sintering curre of regulation, on grinding machine, is then processed into product.
Traditional industrial ceramics technological process of production is: product drawing mould molding fires grinding machine processing detection warehouse-in.It is used for simple shape, it is easy to the ceramic product of the demoulding produces.
Owing to ceramic hardness own is high, it is difficult to by being machined into complicated shape.But for complex-shaped industrial ceramics, in making blank process, owing to it is complex-shaped, make ceramic blank shaping and demoulding difficulty, even cannot the demoulding, seriously limit the application of industrial ceramics, or design baroque mould, substantially increase its production cost.
Summary of the invention
The technical problem to be solved is to provide a kind of production method for complex-shaped industrial ceramics product, the shortcoming overcoming its not easily demoulding.
The technical solution used in the present invention is: the production method of a kind of industrial ceramics product, uses engraving machine that blank carries out moulding, engraving.
Further, the 0.1-0.3% that addition is blank gross mass of binding agent in described blank.
Further, in the described engraving machine course of processing, clamping tooling is adopted to be clamped on fixture the blank after compacting,
Further, the clamping face of described clamping tooling keeps consistent with the shape and size of blank outer surface.
Further, the manufacture method of described blank is:
(1) raw material configuration: by ceramic raw material powder and bonding agent mix homogeneously；
(2) forcing press molding: added in mould by the powder mixed, use forcing press compaction moulding, becomes the pottery just base of simple shape；
(3) isostatic pressed compacting: pottery just base is loaded in rubber sleave, puts in isostatic pressing machine, adopt isostatic pressed that first base is compacted into blank；
Further, described blank is carried out engraving machine processing, then carry out high temperature sintering and grinding.
Further, described high temperature sintering step charging temperature is not higher than 100 DEG C, is specially 70-100 DEG C, it is preferable that 100 DEG C, slowly heat up, programming rate≤30 DEG C/h, and more than 600 DEG C perform according to ceramic sintering process.
The production method of the present invention, adopts the blank of the easy demoulding in ejection phase, and ceramic product is carried out moulding by creationary employing engraving machine.Traditional method manufacture blank intensity low, directly use engraving machine operation easy to fall off, disperse, the present invention adds the binding agent of suitable dose, it is ensured that intensity during engraving；Adopt the integrity that clamping tooling keeps blank overall.Contact for face between clamping tooling with blank, it is to avoid some active force is excessive, damage blank surface.Adopt this method only need to carry out a high temperature sintering after engraving, fewer than existing manufacture method sintering number, easy to control.High temperature sintering step charging temperature, it is prevented that after previous stove is come out of the stove, a rear quick shove charge of stove causes the damage of blank.
The invention solves the release problems of complex-shaped ceramic product, provide a kind of simple, low cost, high efficiency production method for complex-shaped ceramic product, it is simple to the industrialization of this series products, industrialization.
Detailed description of the invention
Embodiment: the production method of pottery paper pulp module
For paper pulp abrasive disc, different slurries, different paper kinds, different technique and different indexs, select differentAbrasive disc flute profile.Abrasive disc flute profile after optimization is suitable for concrete technology needs, is conducive to improving fiber quality, becomes paper product matter and reduce making beating power consumption.Owing to the flute profile of paper pulp abrasive disc is complicated, by traditional method when ceramic blank manufactures, it is difficult to the demoulding, or during the demoulding, flute profile damage is difficult to molding.
The present embodiment pottery paper pulp abrasive disc production method is as follows:
1, design pottery paper pulp abrasive disc just base drawing.Carry out simplifying design according to paper pulp abrasive disc product drawing, amount of contraction is pre-determined according to factors such as the proportioning of ceramic powder, sintering, change in size plus isostatic pressed determines the overall dimensions of base at the beginning of pottery paper pulp abrasive disc, for work surface, need to consider the factor such as sintering warpage amount and grinding amount.Draw taper reasonable in design, is beneficial to the demoulding.
2, according to pottery paper pulp abrasive disc just base size design, pressure forming die is made.
3, raw material is blended.Pottery paper pulp abrasive disc raw material adopt dry mash, add less than 0.3%(raw material weight percentage ratio) bonding agent, mix homogeneously.Bonding agent is intended merely to the shaping of profile of tooth when ensureing Carving Machining, and addition controls at 0.1-0.3%.
4, pressure forming.On forcing press, with mould, the powder pressing of above-mentioned mix homogeneously is become blank.
5, compressing first base is loaded in rubber film set, rubber has ductility, can deform with workpiece, to ensure size and the compaction of product, seal, it is placed in the water tank of isostatic pressing machine, feed-tank pressurizes, and is compacted into, for the ease of follow-up Carving Machining, hydrostatic pressure is no less than 100MPa, and pressure keeps being not less than 5 minutes.
6, Carving Machining.Special clamping frock is adopted to be clamped on fixture the ceramic paper pulp abrasive disc blank after isostatic pressed.Fixture adopts the conventional three-jaw of machining or four paws fixture, and Special clamping frock is consistent with the clamping face profile of paper pulp abrasive disc blank and size maintenance.Its purpose is changed into face clamping by a clamping, it is ensured that blank clamping face uniform force, it is prevented that local chucking power is concentrated and caused blank to damage.Then according to the flute profile machining programming of blank processing, in input automatic carving machine computer program.After program has inputted, programming initial point and working origin being alignd, the equipment of starting can be processed automatically.In order to improve production efficiency, the multi-head engraving machine of the crack model JCUT-1325-3 carved furniture in Jinan selected by engraving machine, and an engraving machine can carve three ceramic paper pulp abrasive disc blanks automatically.After having carved, shutting down, unclamp clamping, take off blank, then clamp new blank to be processed, align benchmark, machines and carves.The blank that Carving Machining is complete is it should be noted that put, it is prevented that deformation.The whole course of processing should be handled with care, stops barbarous operation.
7, fire.Should carry out in strict accordance with process system during sintering, note preventing sintering warpage.The paper pulp abrasive disc blank charging temperature processed is 100 DEG C, after product placement is good, slowly heats up, 30 DEG C/h of programming rate, is beneficial to bonding agent gasification removal, it is to avoid the bonding agent adverse effect to ceramic performance.When being warmed up to more than 600 DEG C, bonding agent gasification is complete, can be fired according to sintering process curve.After coming out of the stove, carry out size and deformation detection.
6, fine grinding.The Ceramic mill disc monolithic grinding fitting surface sintered, is then assembled together, grinding work surface.During due to paper pulp operational plate, moving plate and still gap only have 0.1-0.2mm, so work surface must assemble rear grinding, it is ensured that its flatness.
Claims (7)
1. the production method of an industrial ceramics product, it is characterised in that use engraving machine that blank carries out moulding, engraving.
2. the production method of industrial ceramics product according to claim 1, it is characterised in that in described blank, the addition of binding agent is the 0.1-0.3% of blank gross mass.
3. the production method of industrial ceramics product according to claim 1, it is characterised in that in the described engraving machine course of processing, adopts clamping tooling to be clamped on fixture the blank after compacting.
4. the production method of industrial ceramics product according to claim 3, it is characterised in that the clamping face of described clamping tooling keeps consistent with the shape and size of blank outer surface.
5. the production method of the industrial ceramics product according to any one of claim 1-4, it is characterised in that the manufacture method of described blank is:
(1) raw material configuration: by ceramic raw material powder and bonding agent mix homogeneously；
(2) forcing press molding: added in mould by the powder mixed, use forcing press compaction moulding, becomes the pottery just base of simple shape；
(3) isostatic pressed compacting: pottery just base is loaded in rubber sleave, puts in isostatic pressing machine, adopt isostatic pressed that first base is compacted into blank.
6. the production method of industrial ceramics product according to claim 5, it is characterised in that described blank is carried out engraving machine processing, then carries out high temperature sintering and grinding.
7. the production method of industrial ceramics product according to claim 6, it is characterised in that: described high temperature sintering step charging temperature is not higher than 100 DEG C, slowly heats up, programming rate≤30 DEG C/h, and more than 600 DEG C perform according to ceramic sintering process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135310.3A CN105751351A (en) | 2016-03-10 | 2016-03-10 | Production method for industrial ceramic products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135310.3A CN105751351A (en) | 2016-03-10 | 2016-03-10 | Production method for industrial ceramic products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105751351A true CN105751351A (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610135310.3A Pending CN105751351A (en) | 2016-03-10 | 2016-03-10 | Production method for industrial ceramic products |
Country Status (1)
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| CN (1) | CN105751351A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111098392A (en) * | 2020-01-08 | 2020-05-05 | 山东大学 | Manufacturing method of large-size ceramic part with complex surface |
| CN115091595A (en) * | 2022-06-22 | 2022-09-23 | 苏州隐冠半导体技术有限公司 | Preparation method and preparation system of ceramic green body |
Citations (6)
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| JP2004330280A (en) * | 2003-05-12 | 2004-11-25 | Ishikawajima Harima Heavy Ind Co Ltd | Heat-resistant ceramic core having three-dimensional shape and method for producing cast product using this core |
| CN1582884A (en) * | 2004-06-04 | 2005-02-23 | 李石保 | Composite material for repairing deletion of tooth and human hard tissues and its preparation |
| CN202825297U (en) * | 2012-09-06 | 2013-03-27 | 四川惊雷压力容器制造有限责任公司 | Clamp for pipe fitting machining |
| CN103009461A (en) * | 2012-11-29 | 2013-04-03 | 机械科学研究总院先进制造技术研究中心 | Digital dieless forming method for ceramic biscuit |
| CN103143711A (en) * | 2013-02-06 | 2013-06-12 | 李上奎 | Artificial tooth and preparation method thereof |
| CN105272180A (en) * | 2014-06-20 | 2016-01-27 | 高峰 | Production method of ceramic tiles |
-
2016
- 2016-03-10 CN CN201610135310.3A patent/CN105751351A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004330280A (en) * | 2003-05-12 | 2004-11-25 | Ishikawajima Harima Heavy Ind Co Ltd | Heat-resistant ceramic core having three-dimensional shape and method for producing cast product using this core |
| CN1582884A (en) * | 2004-06-04 | 2005-02-23 | 李石保 | Composite material for repairing deletion of tooth and human hard tissues and its preparation |
| CN202825297U (en) * | 2012-09-06 | 2013-03-27 | 四川惊雷压力容器制造有限责任公司 | Clamp for pipe fitting machining |
| CN103009461A (en) * | 2012-11-29 | 2013-04-03 | 机械科学研究总院先进制造技术研究中心 | Digital dieless forming method for ceramic biscuit |
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| CN105272180A (en) * | 2014-06-20 | 2016-01-27 | 高峰 | Production method of ceramic tiles |
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| 王鹤錕: "Al2O3陶瓷注射成型研究", 《中国知网》 * |
| 田民波: "《材料学概论》", 31 August 2015, 清华大学出版社 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111098392A (en) * | 2020-01-08 | 2020-05-05 | 山东大学 | Manufacturing method of large-size ceramic part with complex surface |
| CN115091595A (en) * | 2022-06-22 | 2022-09-23 | 苏州隐冠半导体技术有限公司 | Preparation method and preparation system of ceramic green body |
| CN115091595B (en) * | 2022-06-22 | 2024-06-07 | 苏州隐冠半导体技术有限公司 | Preparation method and preparation system of ceramic green body |
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Application publication date: 20160713 |
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