CN101625947A - Method for producing integral ceramics metal halide electric arc tube - Google Patents
Method for producing integral ceramics metal halide electric arc tube Download PDFInfo
- Publication number
- CN101625947A CN101625947A CN200910109526A CN200910109526A CN101625947A CN 101625947 A CN101625947 A CN 101625947A CN 200910109526 A CN200910109526 A CN 200910109526A CN 200910109526 A CN200910109526 A CN 200910109526A CN 101625947 A CN101625947 A CN 101625947A
- Authority
- CN
- China
- Prior art keywords
- arc tube
- electric arc
- metal halide
- base substrate
- manufacture method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
The invention provides a method for producing an integral ceramics metal halide electric arc tube, comprising the following steps: step 1, preparing materials into slurry; step 2, producing a blank tube, i.e. injecting the prepared slurry into corresponding blank moulds with an injection machine, and taking out after the slurry is condensed to obtain blank tubes; step 3, producing a green body, i.e. placing the blank tube into a blow mould to blow an integral electric arc tube green body in smooth transition by air pressure; step 4, degreasing and removing plastic to the green body; step 5, presintering at a temperature of 1200-1400 DEG C; step 6, performing hydrogen sintering at a temperature of 1850-1950 DEG C; and step 7, cooling to obtain the integral ceramics metal halide electric arc tube. The invention has simple and reliable production technique and high yield, reduces the production cost and avoids pollution to environment.
Description
Technical field
The present invention relates to the electric light source technology field, relate in particular to the manufacture method of a kind of integrated polycrystalline translucent aluminum oxide ceramic metal halid lamp (Metal halogen lamp) electric arc tube.
Background technology
Because ceramic material has the characteristics of acid and alkali-resistance, high temperature resistant, chemical stability, compare the halogen electric arc tube made from quartzy with its halogen electric arc tube of making, advantage such as have working temperature height, light efficiency height, color rendering is good, volume is little, the life-span is long, therefore, ceramic gold-halogen lamp obtains bigger development in recent years, extensively promoting in lighting field, is the direction of human illumination development.
At present, arc tube for ceramic metal halide lamp mainly adopts the translucent polycrystalline alumina ceramic manufacturing, facts have proved, the semi-transparent polycrystal aluminium oxide ceramic arc tubular construction that the even volume of integral type thickness is little is the most perfect.Chinese patent ZL97117991.3, ZL00122245.7, ZL03131897.5, ZL200610035124.9, the manufacture method of the disclosed arc tube for ceramic metal halide lamp of ZL200610232512.9 mainly is 2 formulas, 3 formulas, 5 earthenwares that combinations such as formula are made are because in uneven thickness, the liquid metal halide of assembling high temperature easily at electric arc tube cold junction place, corrosivity to electric arc tube is very big, causes the light decay and the inefficacy of lamp, causes temperature distributing disproportionation even, stress is concentrated, and produces fracture.In addition, again because the bonding sintering of several sections together, can't guarantee dimensional accuracy, and concentricity is poor, it is broken easily to connect lap, and production efficiency is low.
The technological approaches of making the integral ceramics electric arc tube at present has two kinds: the one, do inner core with volatilizable material, make ceramic body with slip casting, injection isostatic pressing method then, remove inner core material by the method for heated oxide again, obtain the ceramic body of hollow, as described in invention disclosed patent CN1251330A and CN1489558A.The shortcoming of this method is that the removal process of inner core material is slow and strict, has carbonaceous residual slightly, promptly can cause waste product, so the manufacturing cost of inner core is very high, and volatile material also can cause environmental pollution.Another kind method is as described in the U.S. Pat 6620272B2: the hollow base substrate that produces two halves axis direction symmetry earlier, use of the adhesive thawing of the method for localized heating again with interface, plus-pressure is bonding in aggregates, and this method technology more complicated is difficult to guarantee bonding firm.
Summary of the invention
The objective of the invention is to, a kind of manufacture method of integral ceramics metal halide electric arc tube is provided, its technology is simple, the production efficiency height, and the rate of finished products height reduces production costs.
Another purpose of the present invention is, a kind of manufacture method of integral ceramics metal halide electric arc tube is provided, and its technology is simple, reduces environmental pollution.
Another object of the present invention is to, a kind of manufacture method of integral ceramics metal halide electric arc tube is provided, the product size precision height that it makes, long service life.
The manufacture method of integral ceramics metal halide electric arc tube provided by the invention comprises the steps:
Step 7, cooling makes integral ceramics metal halide electric arc tube.
The composition of described 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.
Described plastic cement is selected PE, PP, HIPS, PET a kind of or its combination wherein for use, and high purity aluminium oxide is that the average grain diameter of 99.99% purity is the alumina powder of 0.5um.
In the described step 2, the shell internal diameter is circular, and than external diameter of pipe 1.2 times projection is arranged in the middle part 5mm scope of this shell.
In the described step 3, when blow mold is heated to 110 ℃-130 ℃, blank is softening, be blown into rapidly 100 ℃-160 ℃ and pressure be controlled at 0.5Kg/cm2-3Kg/cm2, flow control 0.1L/min-3L/min cleaning compressed air, kept 1 minute, make base substrate under the effect of pressure, press shape, the size of mould, form hollow electric arc tube base substrate, after hardening by cooling, open mould and take out integrated halogen electric arc tube base substrate.
The geomery of described blow mold is pressed the geomery design of ceramic arc tube, lower open die matched moulds on this blow mold, about sealing, partial controllable system temperature.
Described integrated halogen electric arc tube base substrate middle part is sphere or elliposoidal, and this middle part part is to be formed by the blowing of axial symmetry air pressure under the situation that does not have the centronucleus part.
Described presintering sintering in oxygen furnace.
In the described step 6, through behind the hydrogen sintering, base substrate becomes translucent.
In the described step 4, heating base substrate to 480 ℃-520 ℃, wherein base substrate degreasing before temperature reaches 100 ℃, plastic removals after temperature reaches 200 ℃.
Beneficial effect of the present invention: the present invention does not compared with prior art use volatile material to do inner core, has reduced cost, and has avoided the pollution to environment; The integrated ceramic metallic halogen lamp electric arc pipe of this invention does not have the seam of connection, and the electric arc pipe shell body thickness is even, slick and sly, unstressed concentrating, not easy fracture; The manufacture method of this integral ceramics metal halide electric arc tube, it can be made into the electric arc shell of different shape, size easily according to the power difference, and the manufacture craft that should invent is simple and reliable, has reduced production cost, rate of finished products height, helps industrialized mass.
In order further to understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet accompanying drawing only provide with reference to and the explanation usefulness, be not to be used for the present invention is limited.
Description of drawings
Below in conjunction with accompanying drawing,, will make technical scheme of the present invention and other beneficial effects apparent by the specific embodiment of the present invention is described in detail.
Fig. 1 is the manufacture method flow chart of integral ceramics metal halide electric arc tube of the present invention;
Fig. 2 is an injection molding shell generalized section in the inventive method;
Fig. 3 is an integrated halogen electric arc tube base substrate generalized section in the inventive method.
Embodiment
For further setting forth technological means and the effect that the present invention takes for the predetermined purpose of realization, see also following about detailed description of the present invention and accompanying drawing, believe purpose of the present invention, feature and characteristics, should obtain thus going deep into and concrete understanding, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the present invention is limited.
As shown in Figure 1, the manufacture method of integral ceramics metal halide electric arc tube of the present invention comprises:
Step 7, cooling makes integral ceramics metal halide electric arc tube.
The integral ceramics metal halide electric arc tube that the present invention makes, its middle part can be sphere or elliposoidal etc., and two ends are cylindrical tubule, this electric arc tube hollow, its wall thickness is even, this wall thickness between 0.5mm-1.8mm, no seam, the surface is slick and sly, unstressed concentrate, easy fracture not, density is 3.99g/cm
3, average grain size is 20 microns, and anti-loudness of a sound degree is 370MPa, and straight-line luminous transmittance is 45%.
In sum, the present invention does not compared with prior art use volatile material to do inner core, has reduced cost, and has avoided the pollution to environment; The integrated ceramic metallic halogen lamp electric arc pipe of this invention does not have the seam of connection, and the electric arc pipe shell body thickness is even, slick and sly, unstressed concentrating, not easy fracture; The manufacture method of this integral ceramics metal halide electric arc tube, it can be made into the electric arc shell of different shape, size easily according to the power difference, and the manufacture craft that should invent is simple and reliable, has reduced production cost, rate of finished products height, helps industrialized mass.
The above; it only is preferred embodiment of the present invention; for the person of ordinary skill of the art, can make other various corresponding changes and distortion, and all these changes and distortion all should belong to the protection range of claim of the present invention according to technical scheme of the present invention and technical conceive.
Claims (10)
1, the manufacture method of integral ceramics metal halide electric arc tube is characterized in that, comprises the steps:
Step 1, the brewable material form slurry;
Step 2 is made shell, with injection (mo(u)lding) machine the modulated slurry that makes is expelled in the corresponding shell mould, treats that it solidifies the back and takes out, and obtains shell;
Step 3 is made base substrate, and shell is put into blow mold, is blow molded into the integral type electric arc tube base substrate of a rounding off with air pressure;
Step 4 is with base substrate degreasing, plastic removal;
Step 5, presintering, calcined temperature is controlled between 1200 ℃-1400 ℃;
Step 6, hydrogen sintering, the temperature of hydrogen sintering is controlled between 1850 ℃-1950 ℃;
Step 7, cooling makes integral ceramics metal halide electric arc tube.
2, the manufacture method of integral ceramics metal halide electric arc tube as claimed in claim 1 is characterized in that, the 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.
3, the manufacture method of integral ceramics metal halide electric arc tube as claimed in claim 2, it is characterized in that, described plastic cement is selected PE, PP, HIPS, PET a kind of or its combination wherein for use, and high purity aluminium oxide is that the average grain diameter of 99.99% purity is the alumina powder of 0.5um.
4, the manufacture method of integral ceramics metal halide electric arc tube as claimed in claim 1 is characterized in that, in the described step 2, the shell internal diameter is circular, and than external diameter of pipe 1.2 times projection is arranged in the middle part 5mm scope of this shell.
5, the manufacture method of integral ceramics metal halide electric arc tube as claimed in claim 1, it is characterized in that, in the described step 3, when blow mold is heated to 110 ℃-130 ℃, blank is softening, be blown into rapidly 100 ℃-160 ℃ and pressure be controlled at 0.5Kg/cm2-3Kg/cm2, flow control 0.1L/min-3L/min cleaning compressed air, kept 1 minute, make base substrate under the effect of pressure, press shape, the size of mould, form hollow electric arc tube base substrate, after hardening by cooling, open mould and take out integrated halogen electric arc tube base substrate.
6, the manufacture method of integral ceramics metal halide electric arc tube as claimed in claim 5, it is characterized in that, the geomery of described blow mold is pressed the geomery design of ceramic arc tube, lower open die matched moulds on this blow mold, about sealing, partial controllable system temperature.
7, the manufacture method of integral ceramics metal halide electric arc tube as claimed in claim 5, it is characterized in that, described integrated halogen electric arc tube base substrate middle part is sphere or elliposoidal, and this middle part part is to be formed by the blowing of axial symmetry air pressure under the situation that does not have the centronucleus part.
8, the manufacture method of integral ceramics metal halide electric arc tube as claimed in claim 1 is characterized in that, described presintering sintering in oxygen furnace.
9, the manufacture method of integral ceramics metal halide electric arc tube as claimed in claim 1 is characterized in that, in the described step 6, through behind the hydrogen sintering, base substrate becomes translucent.
10, the manufacture method of integral ceramics metal halide electric arc tube as claimed in claim 1 is characterized in that, in the described step 4, and heating base substrate to 480 ℃-520 ℃, wherein base substrate degreasing before temperature reaches 100 ℃, plastic removals after temperature reaches 200 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910109526A CN101625947A (en) | 2009-08-05 | 2009-08-05 | Method for producing integral ceramics metal halide electric arc tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910109526A CN101625947A (en) | 2009-08-05 | 2009-08-05 | Method for producing integral ceramics metal halide electric arc tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101625947A true CN101625947A (en) | 2010-01-13 |
Family
ID=41521738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910109526A Pending CN101625947A (en) | 2009-08-05 | 2009-08-05 | Method for producing integral ceramics metal halide electric arc tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101625947A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249695A (en) * | 2011-05-12 | 2011-11-23 | 厦门虹鹭钨钼工业有限公司 | Manufacturing method of arc tube for ceramic metal halide lamp |
-
2009
- 2009-08-05 CN CN200910109526A patent/CN101625947A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249695A (en) * | 2011-05-12 | 2011-11-23 | 厦门虹鹭钨钼工业有限公司 | Manufacturing method of arc tube for ceramic metal halide lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101723676B (en) | Manufacture method of Longquan celadon | |
| CN107021771B (en) | Calcium oxide-based ceramic casting mold manufacturing method based on 3D printing technology | |
| CN101697336A (en) | Method for manufacturing integrated ceramic metal halide lamp electric arc tube | |
| CN203198052U (en) | One-step isostatic pressing forming die for stepped inner wall of alumina ceramic tube | |
| CN107433672A (en) | The preparation method of mobile communication equipment shell | |
| CN101625947A (en) | Method for producing integral ceramics metal halide electric arc tube | |
| CN103936283B (en) | Welded type individual layer crystal glass cup and welding procedure thereof | |
| JPS6020330B2 (en) | Glassware manufacturing method and its plunger | |
| CN102249695B (en) | Manufacturing method of arc tube for ceramic metal halide lamp | |
| CN101353263B (en) | Integrated ceramic metallic halogen lamp electric arc pipe shell gel cementing manufacturing method | |
| CN101483125A (en) | Manufacturing method for integrated liner of alumina ceramic metal halogen lamp | |
| CN204385040U (en) | A kind of opticglass smelting pot | |
| CN202462576U (en) | Integral grouting and forming device for ceramic electric arc tube | |
| CN102020469B (en) | Method for preparing hollow object by blow molding of zirconia ceramic | |
| CN102249517B (en) | The production method of a blow molding hard glass fishing lamp cell-shell | |
| CN201447416U (en) | Smelting-succession furnace for one-time molding quartz plate | |
| CN103922572B (en) | High temperature resistant single-glass cup preparation technology | |
| CN202156999U (en) | One-step forming mould for water jug with handle | |
| CN108904222B (en) | Novel choke ring suitable for manufacturing soft driver by inverse airflow method | |
| CN200990368Y (en) | Deformed integrated ceramic tube for metal halide lamp | |
| CN102528897A (en) | Integrated slip casting device and method for ceramic electric arc tube green body | |
| CN201587027U (en) | Multifunctional bobbin brick mould | |
| CN202164379U (en) | Coated SiC composite crucible | |
| CN101633205B (en) | Ceramic female die | |
| CN101630618A (en) | Integrated manufacturing method of ceramic metal halide lamp electric arc tube housing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20100113 |