CN1058366A - Ultra-thin, micro glass magnifying glass processing method - Google Patents
Ultra-thin, micro glass magnifying glass processing method Download PDFInfo
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- CN1058366A CN1058366A CN 91104508 CN91104508A CN1058366A CN 1058366 A CN1058366 A CN 1058366A CN 91104508 CN91104508 CN 91104508 CN 91104508 A CN91104508 A CN 91104508A CN 1058366 A CN1058366 A CN 1058366A
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Abstract
The processing method of ultra-thin micro glass magnifying glass, it changes the first processing plane of common process, the process sequence of back processing sphere, but first sphere back plane are with workpiece blank elder generation moulding sphere, back brush edge, root face are handled, fine-grinding and polishing is located the workpiece that processes sphere on workpiece plate with suspension sphere elasticity again, the ground flat polishing, last ultrasonic wave lower wall, cleaning workpiece.Adopt described method to process ultra-thin micro glass lens, can reduce significantly that eyeglass collapses the limit phenomenon in the processing, the lens of the processing thick 0.15mm in limit still can obtain satisfied recovery rate, are suitable for industrialized mass production.
Description
The present invention relates to the processing method of the ultra-thin miniature magnifying glass of the processing method of glass optical mirror slip, particularly deep camber, minor radius.
" optical element manufacturing technology " China Machine Press version in 1987, the spherical lens processing route that provides, it is first processing plane in proper order, back processing sphere.
For the micro-spherical surface lens of deep camber, minor radius, adopt above-mentioned processes route, sphere is shaped difficult.In the sphere forming process, can only workpiece be pressed in the lap of placement with finger or auxiliary rod, utilize the shot abrasive forming, work under hard conditions.Thrust is difficult to control, and pressure is big, and workpiece very easily collapses the limit; Pressure is little, outside the depanning of workpiece Workflow, and the percent defective height.The also difficult control of the dimensional accuracy of workpiece sphere centre thickness is with the size disunity of a collection of product.Abrasive material easily touches on the manufactured plane when sphere correct grinding and polishing, and this plane utmost point be cannot say for sure to protect.For requiring the very thin lens in limit, promptly the sidewall cylinder height of lens adds chipping in man-hour phenomenon and almost is difficult to avoid less than 0.4mm, causes recovery rate very low, can't produce ultra-thin miniature magnifying glass in batches.
Task of the present invention is the processing method that proposes the ultra-thin micro glass magnifying glass of a kind of deep camber, minor radius, to overcome chipping, realizes ultra-thinly, and raising work efficiency and product recovery rate make it adapt to industrial production in enormous quantities.
Processing method of the present invention is to process sphere earlier, back processing plane, and its step is as follows:
(1) with the qualified workpiece blank of milling and grinding machine processing peripheral size, corase grind is shaped sphere.
(2) use jewel brush polishing machine, the workpiece of sphere moulding is done brush rib, root face processing, realize disappearing in advance chipping and chamfered edge.
(3) at high speed lenses polishing machine sphere is finish grinded and polishing.
(4) with the sphere location, soft mold blocking, the sphere elasticity that promptly suspends location.
(5) the workpiece lacquer disk(-sc) is contained on the flat-grinding machine, ground flat stays the polishing surplus.
(6) on flat-grinding machine, be polished to required fineness.
(7) the workpiece lacquer disk(-sc) is put into the supersonic wave cleaning machine lower wall.
(8) cleaning workpiece.
Fig. 1, suspension sphere elasticity location schematic diagram.
Below in conjunction with embodiment the present invention is described in further detail.
Procedure of processing:
(1) peripheral size is qualified workpiece blank is clamped on the milling and grinding machine anchor clamps, adopts tubular diamond-impregnated wheel-resin-based, No. 320 drillings of fixed abrasive material, carries out milling, and sphere is shaped, and stays correct grinding and polishing surplus.
(2) incite somebody to action a plurality of workpiece of sphere shaping, use the bonded adhesives of making by 30% shellac, 70% rosin,, be bonded on the circular glass plate, utilize Q0806 jewel brush polishing machine to do the brush rib of sphere seamed edge, root face processing with the planar rigidity location.Root face R is 0.05～0.10mm, realizes disappearing in advance chipping.
(3) the workpiece heat on the circular glass plate that will brush rib is taken off, and cleans the back and goes up dish with sealing wax group, adopts JP12.5 high speed lenses polishing machine to carry out sphere correct grinding and spherical polishing.
(4) sphere location, soft mold blocking, the sphere elasticity that promptly suspends location, referring to Fig. 1,
A, on a plate glass 8 even painting machine oil film 7, a plurality of workpiece 5 planes that processed sphere are arranged in downwards on the glass plate of oiling, promptly do location just without the plane of grinding with it, the about 0.5mm of each workpiece spacing distance, arrange good workpiece group periphery and place the glass blend stop 3 slightly higher than workpiece centre thickness, plate glass 8 edges put retaining frame 2.
B, press sealing wax 90%, shellac 10% weight matches well binding agent, pours into after the heat fused in the retaining frame 2, and serve as an amount of to cover blend stop 3 and workpiece 5, make glue line 4, before glue-line 4 was uncooled, other got a glass plate 6 that equates with glass plate 8 sizes, its one side oil removal treatment, be preheated to 60 ℃, oil removing faces down, and is pressed on the glue-line 4, in the retaining frame 2.
C, treat the glue-line initial set, promptly do not flow, remove retaining frame 2, place small-sized hand-operated spinning machine to press on the whole work-piece dish, utilize the depth of parallelism of the pressure head and the workbench of forcing press, make two glass plates 6,8 of workpiece plate parallel.
D, release, and remove the plate glass 8 that is used for workpiece 5 first location, form the workpiece lacquer disk(-sc), after treating that glue-line 4 solidifies fully, embrocate acetone, remove the part adhesive glue 4 between oil and the dissolving workpiece 5 in workpiece 5 exposures, make glue-line 4 be lower than the about 0.15mm of workpiece, realize suspension sphere elasticity location.
(5) workpiece is contained on the mill of flat-grinding machine, adopts jewel bearing plain grinding processing technology to finish corase grind, correct grinding, reach dimensional requirement, realize the ultra-thin limit of workpiece.
(6) bonding Polyurethane polishing skin on the mill of flat-grinding machine, spray cerium oxide solution between itself and workpiece plate carries out plane polishing, to required fineness requirement.
(7) will process the workpiece plate on plane, and put into supersonic wave cleaning machine and carry out ultrasonic wave cleaning lower wall.
(8) cleaning workpiece.
Adopt described method, processing ultra-thin micro magnifying glass has the following advantages:
1, because sphere is shaped earlier, to the control of stock removal, namely controlled the center thickness of magnifying glass during ground flat, during batch production, center thickness is easy to control, can realize unified.
2, brush blunt processing because carrying out the ball rib, can avoid the chipping of ball seamed edge, improve presentation quality, improve the product recovery rate, single operation chipping occurrence rate reduces to 0.5-1%, reaches to disappear in advance chipping and reduce the purpose that collapses the limit opportunity, for advantage has been created in next procedure.
3, owing to adopt suspension ball surface elastic location, in process of lapping, the available buffer shock-absorbing, and adhesive glue is a little less than the face that is polished of workpiece, the workpiece basal edge also can produce the chamfering of pettiness, the chipping phenomenon can be greatly reduced, when the side cylinder height of workpiece is as thin as 0.15mm, still higher recovery rate can be obtained.
4, during processing plane, the sphere of workpiece is enclosed in the glue-line fully, has avoided contacting of manufactured sphere and abrasive material and foreign material, makes sphere protected.
5, wrist-watch calendar magnifying glass is very high to appearance requirement, namely thin, do not allowed again visual chipping, conventional machining method recovery rate is very low, so general wrist-watch calendar magnifying glass is the plastic cement extrusion molding, the high-grade wrist-watch of minority is only arranged, adopt so-called never wornout type watchcase, just with glass calendar magnifying glass, use described method, so that the ultra-thin micro magnifying glass very high to appearance requirement, industrial production in enormous quantities becomes possibility.
6, described method not only can be processed magnifying glass-convex lens, also is suitable for the processing concave mirror, and first operation of its procedure of processing is shaped protruding sphere and changes the concave spherical surface shaping into, and other operation is identical.
Claims (2)
1, the processing method of ultra-thin micro glass magnifying glass is characterized in that earlier processing plane behind the processing sphere, and its step is as follows:
(1) with the qualified workpiece blank of milling and grinding machine processing peripheral size, corase grind is shaped sphere,
(2) use jewel brush polishing machine, the workpiece of sphere moulding done brush rib, root face processing, realize disappearing in advance chipping and chamfered edge,
(3) at high speed lenses polishing machine sphere is finish grinded and polishing,
(4) with the sphere location, soft mold blocking, the sphere elasticity that promptly suspends location,
(5) the workpiece lacquer disk(-sc) is contained on the flat-grinding machine, ground flat stays the polishing surplus,
(6) on flat-grinding machine, be polished to required fineness,
(7) the workpiece lacquer disk(-sc) is put into supersonic wave cleaning machine, the ultrasonic wave lower wall,
(8) cleaning workpiece.
2, by the described processing method of claim 1, the sphere elasticity localization step that it is characterized in that suspending is:
(1) makes coarse positioning with the plane that processes sphere workpiece 5 without grinding, the plane of a plurality of workpiece 5 is downward, be arranged on the plate glass plate 8 of evenly smearing machine oil, the clearance distance of each workpiece is greater than 0.5mm, arrange good workpiece group periphery, place glass shelves bar 3, shelves frame 2 is settled at plate glass 8 edges.
(2) after bonded adhesives with sealing wax 90%, shellac 10%(weight ratio) is heated to fusing, pour in grade frame 3, make between each workpiece, between workpiece and the shelves bar, be full of bonded adhesives 4 between shelves bar and the plate washer, be pressed on the glue-line 4 with a glass plate 6 in addition through surface degreasing,
(3) treat that glue 4 just solidifies, after promptly not flowing, remove shelves frame 2, place baby press to exert pressure on the whole work-piece dish, utilize the depth of parallelism of pressure head and workbench, make the upper and lower glass plate 6,8 of workpiece plate parallel,
(4) release, and remove and to be used for the workpiece oiling glass plate 8 of location just, treat that bonded adhesives 4 solidifies fully after, in workpiece planarization portion, embrocate acetone, to remove the part bonded adhesives between degrease and dissolving workpiece, make glue-line 4 be lower than the about 0.15mm of workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91104508 CN1020077C (en) | 1991-06-26 | 1991-06-26 | Technology for processing miniature ultra-thin glass amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91104508 CN1020077C (en) | 1991-06-26 | 1991-06-26 | Technology for processing miniature ultra-thin glass amplifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1058366A true CN1058366A (en) | 1992-02-05 |
| CN1020077C CN1020077C (en) | 1993-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91104508 Expired - Fee Related CN1020077C (en) | 1991-06-26 | 1991-06-26 | Technology for processing miniature ultra-thin glass amplifier |
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| Country | Link |
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| CN (1) | CN1020077C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100439036C (en) * | 2006-12-15 | 2008-12-03 | 西部金属材料股份有限公司 | Process for preparing high-precision thick tungsten plate |
| CN1962189B (en) * | 2005-11-11 | 2010-09-29 | 鸿富锦精密工业（深圳）有限公司 | Method for rolling circle |
| CN101966675A (en) * | 2010-07-21 | 2011-02-09 | 丹阳市超大光电科技有限公司 | Production method for high-precision ultra-thin edge thick lens |
| CN103586752A (en) * | 2012-04-16 | 2014-02-19 | 康宁股份有限公司 | Method and system for finishing glass sheet |
| CN102015208B (en) * | 2008-05-07 | 2015-05-06 | 施耐德两合公司 | Method for machining an eyeglass lens blank and eyeglass lens blank comprising a connecting material and block piece |
| CN109531344A (en) * | 2018-12-04 | 2019-03-29 | 北京雷生强式科技有限责任公司 | The optical manufacturing method of YAG serial crystal |
| CN110355618A (en) * | 2019-08-06 | 2019-10-22 | 上海颐青光学仪器厂 | A kind of plano-concave/plano-convex lens batch preparation and plano-concave/plano-convex lens |
-
1991
- 1991-06-26 CN CN 91104508 patent/CN1020077C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1962189B (en) * | 2005-11-11 | 2010-09-29 | 鸿富锦精密工业（深圳）有限公司 | Method for rolling circle |
| CN100439036C (en) * | 2006-12-15 | 2008-12-03 | 西部金属材料股份有限公司 | Process for preparing high-precision thick tungsten plate |
| CN102015208B (en) * | 2008-05-07 | 2015-05-06 | 施耐德两合公司 | Method for machining an eyeglass lens blank and eyeglass lens blank comprising a connecting material and block piece |
| CN101966675A (en) * | 2010-07-21 | 2011-02-09 | 丹阳市超大光电科技有限公司 | Production method for high-precision ultra-thin edge thick lens |
| CN101966675B (en) * | 2010-07-21 | 2012-10-17 | 丹阳市超大光电科技有限公司 | Production method for high-precision ultra-thin edge thick lens |
| CN103586752A (en) * | 2012-04-16 | 2014-02-19 | 康宁股份有限公司 | Method and system for finishing glass sheet |
| US9375820B2 (en) | 2012-04-16 | 2016-06-28 | Corning Incorporated | Method and system for finishing glass sheets |
| CN109531344A (en) * | 2018-12-04 | 2019-03-29 | 北京雷生强式科技有限责任公司 | The optical manufacturing method of YAG serial crystal |
| CN109531344B (en) * | 2018-12-04 | 2020-05-12 | 北京雷生强式科技有限责任公司 | Optical processing method of YAG series crystal |
| CN110355618A (en) * | 2019-08-06 | 2019-10-22 | 上海颐青光学仪器厂 | A kind of plano-concave/plano-convex lens batch preparation and plano-concave/plano-convex lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1020077C (en) | 1993-03-17 |
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