CN102981392B - The manufacture method of hollow out pottery watchcase - Google Patents
The manufacture method of hollow out pottery watchcase Download PDFInfo
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- CN102981392B CN102981392B CN201210501410.5A CN201210501410A CN102981392B CN 102981392 B CN102981392 B CN 102981392B CN 201210501410 A CN201210501410 A CN 201210501410A CN 102981392 B CN102981392 B CN 102981392B
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- watchcase
- hollow out
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Abstract
The present invention provides the manufacture method of a kind of hollow out pottery watchcase, comprises the steps: step 1, brewable material form slurry；Step 2, makes watchcase base substrate, adopts extruded mode or injection molding to prepare watchcase base substrate in the modulated slurry made with watchcase mould, and this watchcase base substrate is directly obtained hollow out shape by mould；Step 3, by base substrate degreasing, plastic removal；Step 4, presintering, calcined temperature controls between 1200 DEG C-1400 DEG C；Step 5, hydrogen sintering, sintering temperature controls between 1850 DEG C-1950 DEG C；Step 6, cooling, prepare hollow out pottery watchcase.The processing technology of hollow out pottery watchcase provided by the invention, directly forms pierced pattern, and the watchcase intensity of its making is higher, wear-resistant, corrosion-resistant, and simple and reliable process, reduces production cost, and production efficiency is high, is conducive to industrialized mass.
Description
Technical field
The present invention relates to wrist-watch production field, particularly relate to a kind of hollow out pottery watchcase manufacture method.
Background technology
Along with growth in the living standard, people are also more and more higher to the requirement of quality of the life and external image, one of article that wrist-watch is generally worn as people, and it has been not limited only to the effect of display time, also function to the effect of decoration.But, in the prior art, the commonly used metal material of wristwatch case, after using after a while, easily there are the situations such as abrasion, cut, oxidation be eclipsed in skin surface, thus affecting its outward appearance.Due to ceramic material there is acid and alkali-resistance, high temperature resistant, toughness is strong, the feature such as wear-resistant, has better characteristics with its wristwatch case made than the watchcase that metal material is made, remaining to keep the completely attractive in appearance of its outward appearance through long-time use.
In order to cater to the different pursuits of consumer, the design style of wrist-watch is varied, such as a kind of demand style of hollow out wrist-watch Ji Shi consumer.The processing technology of traditional hollow out wrist-watch includes the part needing hollow out is drilled to aperture, then amputates excess metal with saw, then modifies edge portions thus obtaining final pierced pattern with graver.This manufacture method is numerous and diverse, expends man-hour, adds the production cost of wrist-watch.
Summary of the invention
It is an object of the invention to, it is provided that the manufacture method of a kind of hollow out pottery watchcase, its technique is simple, and production efficiency is high, effectively reduces production cost.
For achieving the above object, the present invention provides the manufacture method of a kind of hollow out pottery watchcase, comprises the steps:
Step 1, brewable material form slurry；
Step 2, make watchcase base substrate, adopt extruded mode or injection molding to prepare watchcase blank in the modulated slurry made with watchcase mould, then adopt thermohydraulic mode to make the hollow space of watchcase, forming hollow watchcase base substrate, this watchcase base substrate is directly obtained hollow out shape by mould；
Step 3, by base substrate degreasing, plastic removal；
Step 4, presintering, calcined temperature controls between 1200 DEG C-1400 DEG C；
Step 5, hydrogen sintering, sintering temperature controls between 1850 DEG C-1950 DEG C；
Step 6, cooling, prepare hollow out pottery watchcase.
Composition and the content of described raw material are as follows, by weight: paraffin 11-17 part；Microwax 11-17 part；Stearin candle 1-3 part；Plastic cement 65-75 part；High purity aluminium oxide 500-1000 part.
Described plastic cement selects PE, PP, HIPS, PET one therein or its combination, and high purity aluminium oxide is the alumina powder that mean diameter is 0.5 μm of 99.99% purity.
In described step 2, the temperature of liquid is 150 DEG C-200 DEG C, and pressure is 0.01MPa-0.03MPa, and base substrate under the effect of the pressure, by the shape of watchcase mould, size, forms hollow watchcase base substrate.
In described step 2, the geomery of described watchcase mould designs by the geomery of hollow out pottery watchcase, lower open die matched moulds, right-left seal on this watchcase mould, local temperature controllable.
In described step 4, presintering sinters in oxygen furnace.
In described step 5, after hydrogen sintering, base substrate becomes translucent.
Beneficial effects of the present invention: the processing technology of hollow out pottery watchcase provided by the invention, directly forms pierced pattern, and the watchcase intensity of its making is higher, wear-resistant, corrosion-resistant, and simple and reliable process, reduce production cost, production efficiency is high, is conducive to industrialized mass.
Detailed description of the invention
The manufacture method of hollow out pottery watchcase of the present invention, comprises the steps:
Step 1, brewable material form slurry, the composition of this raw material and content (by weight) are as follows: paraffin 11-17 part；Microwax 11-17 part；Stearin candle 1-3 part；Plastic cement 65-75 part；High purity aluminium oxide 500-1000 part.Plastic cement selects PE, PP, HIPS, PET one therein or its combination.This high purity aluminium oxide is the alumina powder that mean diameter is 0.5 μm of 99.99% purity.
Step 2, make watchcase base substrate, extruded mode or injection molding is adopted to prepare watchcase blank in the modulated slurry made with watchcase mould, thermohydraulic mode is adopted to make the hollow space of watchcase again, in order to install watch core, the temperature of liquid is 150 DEG C-200 DEG C, pressure is 0.01MPa-0.03MPa, base substrate is under the effect of the pressure, shape according to watchcase mould, size, form hollow watchcase base substrate, this watchcase base substrate is directly obtained hollow out shape by mould, cooled hardening, reach certain mechanical strength, open watchcase mould and take out hollow out pottery watchcase base substrate.In the present embodiment, the geomery of described watchcase mould designs by the geomery of hollow out pottery watchcase, lower open die matched moulds, right-left seal on this watchcase mould, local temperature controllable.
Step 3, by base substrate degreasing, plastic removal, heats base substrate to 500 DEG C, wherein base substrate defat before temperature reaches 100 DEG C, and plastic removal after temperature reaches 200 DEG C, thus realizing aerofluxus stage by stage, it is to avoid produce bubble in base substrate.
Step 4, presintering, calcined temperature controls between 1200 DEG C-1400 DEG C, and it can sinter in oxygen furnace.
Step 5, hydrogen sintering, the temperature of hydrogen sintering controls between 1850 DEG C-1950 DEG C, through hydrogen sintering so that base substrate becomes translucent, more attractive in appearance.
Step 6, cooling, prepare hollow out pottery watchcase.This hollow out pottery watchcase prepared, its hollow space is flat cylinder shape or cuboid, its marginal portion hollow out, uniform wall thickness, this wall thickness between 0.5mm-1.8mm, seamless, surface is round and smooth, unstressed concentration, not easy fracture, density is 3.99g/cm3, and average grain size is 20 microns, bending strength is 370MPa, and straight-line luminous transmittance is 30-40%.
In sum, the processing technology of hollow out pottery watchcase provided by the invention, directly form pierced pattern, the watchcase intensity of its making is higher, wear-resistant, corrosion-resistant, and simple and reliable process, reducing production cost, production efficiency is high, is conducive to industrialized mass.
The above; it is only presently preferred embodiments of the present invention; for the person of ordinary skill of the art, it is possible to conceive according to technical scheme and technology and make other various corresponding changes and deformation, and all these change and deform the protection domain that all should belong to the claims in the present invention.
Claims (4)
1. a manufacture method for hollow out pottery watchcase, wherein, comprises the steps:
Step 1, brewable material form slurry；
Step 2, make watchcase base substrate, extruded mode or injection molding is adopted to prepare watchcase blank in the modulated slurry made with watchcase mould, thermohydraulic mode is adopted to make the hollow space of watchcase again, forming hollow watchcase base substrate, this watchcase base substrate is directly obtained hollow out shape, cooled hardening by mould, reach certain mechanical strength, open watchcase mould and take out hollow out pottery watchcase base substrate；
Step 3, by base substrate degreasing, plastic removal；
Step 4, presintering, calcined temperature controls between 1200 DEG C-1400 DEG C；
Step 5, hydrogen sintering, sintering temperature controls between 1850 DEG C-1950 DEG C；
Step 6, cooling, prepare hollow out pottery watchcase；
Composition and the content of described raw material are as follows, by weight: paraffin 11-17 part；Microwax 11-17 part；Stearin candle 1-3 part；Plastic cement 65-75 part；High purity aluminium oxide 500-1000 part；
In described step 2, the temperature of liquid is 150 DEG C-200 DEG C, and pressure is 0.01MPa-0.03MPa, and base substrate under the effect of the pressure, by the shape of watchcase mould, size, forms hollow watchcase base substrate；
Described prepared hollow out pottery watchcase, its hollow space is flat cylinder shape or cuboid, its marginal portion hollow out, uniform wall thickness, and this wall thickness is between 0.5mm-1.8mm, and seamless, surface is round and smooth, unstressed concentration, and density is 3.99g/cm3, average grain size is 20 microns, and bending strength is 370MPa, and straight-line luminous transmittance is 30-40%；
The geomery of described watchcase mould designs by the geomery of hollow out pottery watchcase, lower open die matched moulds, right-left seal on this watchcase mould, local temperature controllable.
2. the manufacture method of hollow out pottery watchcase as claimed in claim 1, wherein, described plastic cement selects PE, PP, HIPS, PET one therein or its combination, and high purity aluminium oxide is the alumina powder that mean diameter is 0.5 μm of 99.99% purity.
3. the manufacture method of hollow out pottery watchcase as claimed in claim 1, wherein, in described step 4, presintering sinters in oxygen furnace.
4. the manufacture method of hollow out pottery watchcase as claimed in claim 1, wherein, in described step 5, after hydrogen sintering, base substrate becomes translucent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210501410.5A CN102981392B (en) | 2012-11-30 | 2012-11-30 | The manufacture method of hollow out pottery watchcase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210501410.5A CN102981392B (en) | 2012-11-30 | 2012-11-30 | The manufacture method of hollow out pottery watchcase |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102981392A CN102981392A (en) | 2013-03-20 |
| CN102981392B true CN102981392B (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210501410.5A Expired - Fee Related CN102981392B (en) | 2012-11-30 | 2012-11-30 | The manufacture method of hollow out pottery watchcase |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097439A (en) * | 2013-04-08 | 2014-10-15 | 李甲栈 | Production method and application of rice-pattern decorated porcelain effect |
| CN105473313B (en) * | 2014-07-28 | 2017-11-28 | 华为技术有限公司 | A kind of zirconia ceramics structural member and its forming method |
| CN104865812A (en) * | 2015-05-28 | 2015-08-26 | 邓湘凌 | Preparation method for ceramic watch with marble pattern |
| CN105467815B (en) * | 2015-09-18 | 2019-03-12 | 江苏精研科技股份有限公司 | Wristwatch case manufacturing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2691814Y (en) * | 2003-09-25 | 2005-04-13 | 曾师军 | Ceramic hollowed mould |
| CN2727817Y (en) * | 2004-08-24 | 2005-09-21 | 广州手表厂 | Watch case |
| CN201183429Y (en) * | 2008-02-21 | 2009-01-21 | 陈景光 | Article with polysilicon decorative layer |
| CN101697336A (en) * | 2009-09-29 | 2010-04-21 | 邓湘凌 | Method for manufacturing integrated ceramic metal halide lamp electric arc tube |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2074484B9 (en) * | 2006-10-13 | 2012-09-19 | Joseph Penula | Timepiece |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2691814Y (en) * | 2003-09-25 | 2005-04-13 | 曾师军 | Ceramic hollowed mould |
| CN2727817Y (en) * | 2004-08-24 | 2005-09-21 | 广州手表厂 | Watch case |
| CN201183429Y (en) * | 2008-02-21 | 2009-01-21 | 陈景光 | Article with polysilicon decorative layer |
| CN101697336A (en) * | 2009-09-29 | 2010-04-21 | 邓湘凌 | Method for manufacturing integrated ceramic metal halide lamp electric arc tube |
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| CN102981392A (en) | 2013-03-20 |
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