CN1734303A - Method for making optical fiber ceramic sleeve - Google Patents
Method for making optical fiber ceramic sleeve Download PDFInfo
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- CN1734303A CN1734303A CN 200410051135 CN200410051135A CN1734303A CN 1734303 A CN1734303 A CN 1734303A CN 200410051135 CN200410051135 CN 200410051135 CN 200410051135 A CN200410051135 A CN 200410051135A CN 1734303 A CN1734303 A CN 1734303A
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Abstract
The invention relates to a making method of fiber-optical china liner, which consists of modeling blank and manufacturing semi-finished product, wherein the modeling step comprises assembling die, modeling blank, sintering blank and disposing after-blank. The entire manufacturing process comprises the following parts: milling semi-finished liner product bore, excircle, concentricity, end-face, notch and surface. The method adapts mould sintering pattern with heat treating, bulky and precise manufacturing to ensure the strength of china liner, surface strength and wear resistance, which eliminates inner liner stress by keeping liner non-deformed and reaching the requirement precisely.
Description
Technical field the present invention relates to the fiber optic element device, particularly the method for making of the ceramic sleeve that is used to locate in the optical fiber.
The background technology ceramic sleeve is very important parts in optical fiber, and how the precision of this sleeve is directly connected to the butt joint quality of two optical fiber in the optical fiber.At present the processing for ceramic sleeve generally is to adopt numerically-controlled machine to process, though this processing mode can guarantee the precision of processing, and, this job operation exists cost height, shortcoming that equipment investment is big.
Summary of the invention the present invention adopts molding sintering and machine tool to carry out method for processing, has finished the making of ceramic sleeve, and the processing cost of ceramic sleeve is reduced, and equipment investment is little and be convenient to popularize.
Technical scheme of the present invention is as follows: a kind of method for making of optical fiber ceramic sleeve, comprise that blank is made moulding and semi-manufacture are processed two processes, and wherein blank making forming process comprises the steps:
A. mould assembling: with external mold and core rod assembled formation on request;
B. blank compression molding: the ceramic sleeve raw material is injected mould by the shake glassware, covers die cap, on pressing machine to the processing of exerting pressure of the raw material in this mould;
C. blank sintering: taking out the mould of blank after the B step finishes, put on request in sintering furnace, carry out high temperature sintering and handle;
D. the post-processed of blank: the blank behind the sintering is comprised heat treated post-processed; The half-finished process of ceramic sleeve comprises the steps:
E. grind the half-finished endoporus of sleeve: the sleeve semi-manufacture are clipped on the anchor clamps of reaming muller, anchor clamps upper bush semi-manufacture begin to carry out grinding to the other end from an end of reaming muller, also include mill concentricity operation between corase grind and the precision grinding process, this operation is the cylindrical of benchmark grinding ceramic sleeve on the upper guide plate centerless grinder with the endoporus after roughly grinding, and carries out concentricity then and detects; Endoporus all is ground and when reaching requirement, this inner hole grinding step finishes;
F. grind the half-finished cylindrical of sleeve: will be sandwiched on the anchor clamps of cylindrical bottom guide centerless grinder through the sleeve semi-manufacture after the processing of E step, carry out the ground of semi-manufacture cylindrical, when the cylindrical of this sleeve reached requirement, the F step finished;
G. grind the half-finished end face of sleeve: will be sandwiched on the anchor clamps of surface grinding machine through the sleeve semi-manufacture after the processing of F step, the half-finished end face of this sleeve of grinding at first, the flatness of this end face and reach requirement with respect to the verticality of center line after, the sleeve semi-manufacture are turned over, ground is carried out in the half-finished other end of this sleeve, after the flatness of two end faces and verticality all reached requirement, this step finished;
H. sleeve semi-manufacture otch and surface treatment: will be sandwiched on the anchor clamps of slotting machine through the sleeve semi-manufacture after the G step processing,, after incision size and chipping reach requirement, carry out the last surface treatment of this sleeve at the half-finished end-grain cutting system otch of this sleeve.In the processing procedure of exerting pressure of described step B, what adopted is isostatic pressing method, and hydrostatic pressure is 150～250 MPas/square centimeter (Mpa/cm
2).
Described step e and F comprise corase grind and finish grind two processes, and grinding tool needs to be begun to carry out grinding by two ends respectively in the precision grinding process in the step e, and every end needs to grind twice repeatedly at least, and correct grinding divides twice precision grinding process at least.After inside and outside circle grinding among severing operation, step e and the F before compression molding among the step B, the step e and the surface treatment process among the step H are finished, need clean sleeve.
The inside and outside chamfering of the two-sided brush rib of sleeve semi-manufacture: will on the brush-throwing machine bed, carry out two-sided chamfering through the sleeve of above-mentioned procedure of processing, and chamfering end when reaching requirement.
The half-finished polishing of sleeve: will on buffing machine, carry out the sleeve surface polishing through the sleeve of above-mentioned procedure of processing, and time polishing finishes to reach requirement.
The present invention when reaching request for utilization, has reduced the processing cost of ceramic sleeve owing to adopt technique scheme, has reduced investment simultaneously, and medium and small sized enterprises also can produce high-quality ceramic sleeve.
Description of drawings
Fig. 1 is the process flow diagram of processing and fabricating operation of the present invention.
Embodiment is in conjunction with top description of drawings optimum embodiment of the present invention.
By among Fig. 1 as can be known, the method for making of optical fiber ceramic sleeve of the present invention comprises that blank makes moulding and two processes of semi-manufacture processing, wherein blank is made forming process and is comprised the steps:
A. mould assembling: with external mold and core rod assembled formation on request;
B. blank compression molding: the ceramic sleeve raw material is injected mould by the shake glassware, covers die cap, on pressing machine to the processing of exerting pressure of the raw material in this mould;
C. blank sintering: taking out the mould of blank after the B step finishes, put on request in sintering furnace, carry out high temperature sintering and handle;
D. the post-processed of blank: the blank behind the sintering is comprised heat treated post-processed; The half-finished process of ceramic sleeve comprises the steps:
E. grind the half-finished endoporus of sleeve: the sleeve semi-manufacture are clipped on the anchor clamps of reaming muller, anchor clamps upper bush semi-manufacture begin to carry out grinding to the other end from an end of reaming muller, also include mill concentricity operation between corase grind and the precision grinding process, this operation is the cylindrical of benchmark grinding ceramic sleeve on the upper guide plate centerless grinder with the endoporus after roughly grinding, and carries out concentricity then and detects; Endoporus all is ground and when reaching requirement, this inner hole grinding step finishes;
F. grind the half-finished cylindrical of sleeve: will be sandwiched on the anchor clamps of cylindrical bottom guide centerless grinder through the sleeve semi-manufacture after the processing of E step, carry out the ground of semi-manufacture cylindrical, when the cylindrical of this sleeve reached requirement, the F step finished;
G. grind the half-finished end face of sleeve: will be sandwiched on the anchor clamps of surface grinding machine through the sleeve semi-manufacture after the processing of F step, the half-finished end face of this sleeve of grinding at first, the flatness of this end face and reach requirement with respect to the verticality of center line after, the sleeve semi-manufacture are turned over, ground is carried out in the half-finished other end of this sleeve, after the flatness of two end faces and verticality all reached requirement, this step finished;
H. sleeve semi-manufacture otch and surface treatment: will be sandwiched on the anchor clamps of slotting machine through the sleeve semi-manufacture after the G step processing,, after incision size and chipping reach requirement, carry out the last surface treatment of this sleeve at the half-finished end-grain cutting system otch of this sleeve.In the processing procedure of exerting pressure of described step B, what adopted is isostatic pressing method, and hydrostatic pressure is 150～250Mpa/cm
2
Described step e and F comprise corase grind and finish grind two processes, and grinding tool needs to be begun to carry out grinding by two ends respectively in the precision grinding process in the step e, and every end needs to grind twice repeatedly at least, and correct grinding divides twice precision grinding process at least.After inside and outside circle grinding among severing operation, step e and the F before compression molding among the step B, the step e and the surface treatment process among the step H are finished, need clean sleeve.
This method adopts the mode of molding sintering to make sleeve forming, intensity, skin hardness and the wearing quality of ceramic sleeve have been guaranteed, Fu heat treatment step again, eliminate the internal stress of sleeve, adopt thick, the finishing program of multiple tracks at last, eliminate the distortion that STRESS VARIATION caused of sleeve in mechanical processing process, so guarantee that sleeve is indeformable all the time, precision reaches request for utilization fully.
In the processing procedure of exerting pressure of described step B, what adopted is isostatic pressing method, and hydrostatic pressure is 150～250Mpa/cm
2, wherein with 200Mpa/cm
2Be the best, the advantage of isostatic pressing method is that pressure is more stable, and the STRESS VARIATION of components interior is little, and the solidity ratio of parts itself is more even.
For the packing that makes comparison is more even, among the described step B, exert pressure preceding and/or exert pressure in shake material and handle.Exert pressure handle before, be placed on mould on the Vib. or Vib. be placed on the mold pressing platform and vibrate, make the distance between the ceramic particle even, the slit is littler, packing is higher.
The sintering temperature of described step C is 1200～1600 ℃, 20～35 hours heating-up times, temperature retention time 1～4 hour, preferred plan is: 1450 ℃ of temperature, 24～30 hours heating-up times, temperature retention time 2 hours, the heat treatment process process of described step D is carried out cooling naturally in the stove after being included in completing steps C, open fire door when temperature is lower than 250 ℃ in the stove, take out sleeve blank when temperature is lower than 150 ℃ in the stove, naturally cooling at ambient temperature, wherein preferred plan is that temperature is opened fire door when being lower than 200 ℃, take out sleeve blank when temperature is lower than 100 ℃ in the stove, can reduce the stress of sleeve inner so effectively, guarantee can not be out of shape in the sleeve manufacturing process afterwards or breakage.
Comprise detection in the post-processed process of described step D, adopt drainage to detect sleeve blank density; Because sleeve blank grey darkly behind sintering, so also need in the post-processed process sleeve is carried out color treatments, this operation is that blank is put into heating furnace, in 1.5～7 hours, be warming up to 800～1300 ℃, be incubated 0.5～1.5 hour, naturally being cooled to 250 ℃ of following times in the stove opens fire door, take out blank when temperature is lower than 150 ℃ in the stove, lower the temperature in physical environment, wherein preferred version is that temperature is 1000 ℃, 2～5 hours heating-up times, be incubated 1 hour, naturally, being cooled to 200 ℃ of following times in the stove opens fire door, takes out blank when temperature is lower than 100 ℃ in the stove, is canescence through the sleeve blank after processing like this.
Generally speaking, the length of sintering processes sleeve blank is longer, therefore also has the severing operation before described step e, and soon blank is cut into suitable length by the specification of product.
In order to improve machining precision, described step e and F comprise corase grind and finish grind two processes, in the described step e in the precision grinding process grinding tool need begin to carry out grinding by two ends respectively, and every end needs to grind repeatedly twice at least.
Grinding tool in the described step e can adopt emery wheel or hammer drill.One end of described hammer drill corrodes into cone-shaped, and tapering is 0.003～0.007, is the best with tapering 0.005 wherein, there is spiral helicine groove on this hammer drill surface, is similar to the shape of drill bit, is convenient to the abrasive dust discharge that grinding is got off, described step e is selected for use in the hammer drill grinding process, is coated with abrasive pastes on the hammer drill.
Surface treatment among the described step H is that the inside and outside round mouth place with the sleeve two ends accomplishes chamfering, and chamfering mainly is to be convenient to the installation of this sleeve in connector, simultaneously, also can improve installation accuracy.The inside and outside chamfering of the two-sided brush rib of sleeve semi-manufacture: will on the brush-throwing machine bed, carry out two-sided chamfering through the sleeve of above-mentioned procedure of processing, and chamfering end when reaching requirement.
The half-finished polishing of sleeve: will on buffing machine, carry out the sleeve surface polishing through the sleeve of above-mentioned procedure of processing, and time polishing finishes to reach requirement.
For guarantee ceramic sleeve in process cleaning and the existence that prevents abrasive dust to spinoff that ceramic sleeve produced, after inside and outside circle grinding among severing operation, step e and the F before compression molding among the described step B, the step e and the surface treatment process among the step H are finished, need clean sleeve.In the cleaning process among the described step B after the compression molding, the cleaning fluid of use is kerosene and greasy dirt detergent.Matting after inside and outside circle grinding among severing operation, step e and the F before the described step e and the surface treatment among the step H, with thermokalite or strong detergent ultrasonic cleaning by at least one time 8～15 minutes (10 minutes/be the best) at every turn, the ultrasonic cleaning of at least deionized water 3～8 minutes (5 minutes/at every turn be best) and the ultrasonic cleaning of at least absolute ethyl alcohol (10 minutes/each be the best), wherein preferred version is; After cleaning after two operations of surface treatment among correct grinding in the described step e and the step H was finished, sleeve also has through oven dry to be handled.
Claims (10)
1. the method for making of an optical fiber ceramic sleeve, this method comprise that blank makes moulding and two processes of semi-manufacture processing, and it is characterized in that: described blank is made forming process and comprised the steps:
A. mould assembling: with external mold and core rod assembled formation on request;
B. blank compression molding: in the ceramic sleeve material injecting mould, cover die cap, on pressing machine to the processing of exerting pressure of the raw material in this mould;
C. blank sintering: taking out the mould of blank after the B step finishes, put on request in sintering furnace, carry out high temperature sintering and handle;
D. the post-processed of blank: the blank behind the sintering is cut into suitable length and comprises heat treated post-processed;
The half-finished process of ceramic sleeve comprises the steps:
E. grind the half-finished endoporus of sleeve: the sleeve semi-manufacture are clipped on the anchor clamps of grinding machine, the grinding tool of grinding machine begins to carry out grinding to the other end from the half-finished end of sleeve, all is ground and reaches requirement until endoporus;
F. grind the half-finished cylindrical of sleeve: will be sandwiched on the anchor clamps of cylindrical grinder through the sleeve semi-manufacture after the E step processing, carry out the ground of semi-manufacture cylindrical, reach requirement until the cylindrical of this sleeve;
G. grind the half-finished end face of sleeve: will be sandwiched on the anchor clamps of surface grinding machine through the sleeve semi-manufacture after the processing of F step, the half-finished end face of this sleeve of grinding at first, the flatness of this end face and reach requirement with respect to the verticality of center line after, the sleeve semi-manufacture are turned over, ground is carried out in the half-finished other end of this sleeve, all reach requirement to the flatness and the verticality of two end faces;
H. sleeve semi-manufacture otch and surface treatment: will be sandwiched on the anchor clamps of slotting machine through the sleeve semi-manufacture after the processing of G step,, after incision size reaches requirement, carry out the last surface treatment of this sleeve at the half-finished end-grain cutting system otch of this sleeve.
2. method according to claim 1 is characterized in that: in the processing procedure of exerting pressure of described step B, what adopted is isostatic pressing method, and hydrostatic pressure is 150～250 MPa/square centimeters; Exert pressure preceding and/or course of exerting pressure in also must shake material and handle.
3. method according to claim 1 is characterized in that: the sintering temperature of described step C is 1200～1600 ℃, 20～35 hours heating-up times, temperature retention time 1～4 hour; The heat treatment process of described step D is carried out cooling naturally in the stove after being included in completing steps C, opens fire door when temperature is lower than 250 ℃ in the stove, takes out sleeve blank when temperature is lower than 150 ℃ in the stove, at ambient temperature cooling naturally.
4. method according to claim 1 is characterized in that: comprise in the post-processed process of described step D and adopt drainage that the density of sleeve blank is detected; Also comprise blank color treatments operation in this post-processed process, this operation is that blank is put into heating furnace, in 1.5～7 hours, be warming up to 800～1300 ℃, be incubated 0.5～1.5 hour, naturally being cooled to 250 ℃ of following times in the stove opens fire door, take out blank when temperature is lower than 150 ℃ in the stove, in physical environment, lower the temperature.
5. method according to claim 1, it is characterized in that: described step e and F comprise corase grind and finish grind two processes, also include concentricity school grinder preface between corase grind and the precision grinding process in the described step e, this operation is the cylindrical of benchmark grinding ceramic sleeve with the endoporus after roughly grinding; Grinding tool needs to begin to carry out grinding repeatedly by two ends respectively in the precision grinding process; Described correct grinding has at least twice.
6. method according to claim 1 is characterized in that: the grinding tool in the described step e is emery wheel or hammer drill; One end of described hammer drill corrodes into cone-shaped, and tapering is 0.003～0.007, and there is spiral helicine groove on this hammer drill surface, and the hammer drill grinding process of described step e must be coated with abrasive pastes on hammer drill.
7. method according to claim 1, it is characterized in that: the surface treatment among the described step H is that the inside and outside round mouth place with the sleeve two ends accomplishes chamfering, pass through at least 8～15 minutes ultrasonic cleaning with thermokalite or strong detergent afterwards, and the ultrasonic cleaning of 3～8 minutes ultrasonic cleaning of a deionized water and 8～15 minutes absolute ethyl alcohol.
8. method according to claim 1 is characterized in that: after inside and outside circle grinding among severing operation, step e and the F of the compression molding among the described step B, step D and the surface treatment process among the step H are finished, need clean sleeve; In the cleaning process among the described step B after the compression molding, the cleaning fluid of use is kerosene and greasy dirt detergent.
9. method according to claim 8 is characterized in that: after the cleaning after two operations of the surface treatment among correct grinding in the described step e and the step H was finished, sleeve also must be handled through oven dry.
10. according to the method described in claim 5 or 7, it is characterized in that: also have matting after the inside and outside circle grinding among described step e and the F, promptly pass through at least one time 8～15 minutes ultrasonic cleaning, the ultrasonic cleaning of 3～8 minutes ultrasonic cleaning of at least deionized water and at least 8～15 minutes absolute ethyl alcohol with thermokalite or strong detergent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410051135 CN1734303A (en) | 2004-08-13 | 2004-08-13 | Method for making optical fiber ceramic sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410051135 CN1734303A (en) | 2004-08-13 | 2004-08-13 | Method for making optical fiber ceramic sleeve |
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|---|---|
| CN1734303A true CN1734303A (en) | 2006-02-15 |
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|---|---|---|---|
| CN 200410051135 Pending CN1734303A (en) | 2004-08-13 | 2004-08-13 | Method for making optical fiber ceramic sleeve |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218771A (en) * | 2011-06-17 | 2011-10-19 | 东莞市翔通光电技术有限公司 | Manufacture method for zirconium oxide ceramic opening casing |
| CN101786863B (en) * | 2009-12-28 | 2012-08-08 | 南京泰龙特种陶瓷有限责任公司 | Production method of large-size insulator of 95 % ceramics |
| CN104690638A (en) * | 2015-02-13 | 2015-06-10 | 深圳市翔通光电技术有限公司 | Grinding method of inner hole of fiber-optical ceramic sleeve, and fiber-optical ceramic sleeve |
| CN106098865B (en) * | 2016-06-27 | 2018-11-09 | 山东浪潮华光光电子股份有限公司 | A method of improving LED and grinds away side with Sapphire Substrate |
| CN109277885A (en) * | 2018-10-15 | 2019-01-29 | 哈尔滨理工大学 | A kind of method for grinding of tungsten carbide coating thin-walled guide tube |
-
2004
- 2004-08-13 CN CN 200410051135 patent/CN1734303A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786863B (en) * | 2009-12-28 | 2012-08-08 | 南京泰龙特种陶瓷有限责任公司 | Production method of large-size insulator of 95 % ceramics |
| CN102218771A (en) * | 2011-06-17 | 2011-10-19 | 东莞市翔通光电技术有限公司 | Manufacture method for zirconium oxide ceramic opening casing |
| CN102218771B (en) * | 2011-06-17 | 2014-04-02 | 东莞市翔通光电技术有限公司 | Manufacture method for zirconium oxide ceramic opening casing |
| CN104690638A (en) * | 2015-02-13 | 2015-06-10 | 深圳市翔通光电技术有限公司 | Grinding method of inner hole of fiber-optical ceramic sleeve, and fiber-optical ceramic sleeve |
| CN106098865B (en) * | 2016-06-27 | 2018-11-09 | 山东浪潮华光光电子股份有限公司 | A method of improving LED and grinds away side with Sapphire Substrate |
| CN109277885A (en) * | 2018-10-15 | 2019-01-29 | 哈尔滨理工大学 | A kind of method for grinding of tungsten carbide coating thin-walled guide tube |
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