CN108247431B - The infrared efficient polishing process of chalcogenide glass - Google Patents
The infrared efficient polishing process of chalcogenide glass Download PDFInfo
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- CN108247431B CN108247431B CN201711266277.9A CN201711266277A CN108247431B CN 108247431 B CN108247431 B CN 108247431B CN 201711266277 A CN201711266277 A CN 201711266277A CN 108247431 B CN108247431 B CN 108247431B
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- face
- grinding
- chalcogenide glass
- ware
- infrared chalcogenide
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
- B24B7/24—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass
- B24B7/241—Methods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses the efficient polishing processes of infrared chalcogenide glass, include the following steps, appearance grinding carried out to the face R2 of infrared chalcogenide glass: appearance grinding is carried out to the face R1 of infrared chalcogenide glass: respectively to infrared chalcogenide glass the face R2 and the face R1 have a shave: the face R1 of infrared chalcogenide glass and the face R2 are polished respectively.The present invention is high in machining efficiency, same to process an eyeglass efficient polishing processes working hour fewer than classic method 60%；Processed goods is of fine quality, and averagely fraction defective can decline 20% or so on year-on-year basis.
Description
Technical field
The present invention relates to a kind of infrared efficient polishing processes of chalcogenide glass.
Background technique
Infrared chalcogenide glass extensively send out be applied to thermal infrared imager industry, thermal infrared imager industry be a development prospect very
Maximum one piece of the market share in wide rising and high-tech industries and infrared application product has in two fields of the army and the people
The application extensively sent out.It obtains on the military weapons such as satellite, guided missile, aircraft of the thermal infrared imager under the conditions of modern war and widely answers
With.Meanwhile as the production cost of uncooled ir thermal imaging is greatly lowered, the application of the product has extended to electricity
The each department of the national economy such as power, fire-fighting, industry, medical treatment, security protection.Due to infrared chalcogenide glass material expensive, difficulty of processing is big,
So infrared chalcogenide glass low cost, efficient processing technology become always the primary study object in this field.Infrared sulphur system
Glass is germanium-arsenic-selenium-antimony (Ge-As-Se-Sb) glass system as the main component material.
Infrared chalcogenide glass generally has the face A and the face B, or the referred to as face R1 and the face R2.In classic method, the face A and the face B add
Work generally uses flat pendulum machine, and polishing ware is made using pitch, and the processing in the face A and the face B is divided into two sections of processing, and first segment is thick
It throws, second end is thrown using damping cloth essence, and rough polishing and essence throw and all use the slow-speed of revolution, and such as 90 revs/min, light pressure about 1Kg, pitch ware makes
It is suppressed, after suppressing OK, by constantly being merged with glass, is constantly modified, until chalcogenide glass face precision is reached with close curvature
To product requirement, the first segment rough polishing time is 20 minutes, and the second segment essence throwing time is 2 minutes.It is with 200 infrared chalcogenide glass
, the time required for the face A is 200*22=4400 minutes, and the time needed for the face B is 200*22=4400 minutes, wherein 22 are
The time that each face undergoes rough polishing and essence to throw is comprehensive, not counting fetching the time of eyeglass.It is total to process 200 infrared chalcogenide glass
Need 8800 minutes.
Summary of the invention
The purpose of the present invention is to provide a kind of efficient polishing process of infrared chalcogenide glass, high in machining efficiency.
The solution that the present invention solves its technical problem is: the infrared efficient polishing process of chalcogenide glass, including following step
Suddenly,
1) appearance grinding is carried out to the face R2 of infrared chalcogenide glass: the face R2 grinding ware is installed on the main shaft of grinder,
Adjustment string stick point and the face R2 grinding ware are put into height, the ball that debugging string stick point is when swinging and the face R2 grinding ware is from center to edge
Face radian, substitute are fixed by the face R2 single hole fixture, and after positive and negative ware alternating conjunction repairs 100 seconds, range estimation grinds skin from the center to side
Whether edge accomplishes a face shape, does not accomplish face shape such as and is further continued for alternately closing ware, is completed to repair with ensuring to grind skin into a spherical surface,
After continuing to use substitute grinding 200 seconds, after seeing whether face precision, check surface precision comply with standard, start to grind infrared sulphur system
After the completion of grinding, infrared chalcogenide glass is removed for the face R2 of glass；
2) appearance grinding is carried out to the face R1 of infrared chalcogenide glass: the face R1 grinding ware is installed on the main shaft of grinder,
Adjustment string stick point and the face R1 grinding ware are put into height, the ball that debugging string stick point is when swinging and the face R1 grinding ware is from center to edge
Face radian, infrared chalcogenide glass are fixed by the face R1 porous fixture, and the face R1 grinding ware takes infrared chalcogenide glass after grinding 500 seconds
Under；
3) respectively to infrared chalcogenide glass the face R2 and the face R1 have a shave: it is after the appearance milled of the face R1, R2, board is clear
Wash clean adds lapping liquid again, replaces the corresponding face R2 single hole fixture and the face R1 porous fixture, and R2 time of having a shave in face is 250
Second, R1 have a shave in face the time be 400 seconds；
4) face R1 of infrared chalcogenide glass and the face R2 are polished respectively: damping cloth is respectively adhered on the face R1 grinding ware
With the face R2 grinding ware on, first the face R1 is polished, after the face R2 is polished, the face R1 polishing time be 35 seconds, the face R2 throw
It is 15 seconds between light time.
As a further improvement of the above technical scheme, in step 1), string stick point swing when and the face R2 grind ware from
Center to edge spherical curvature between 15~40 scales.
As a further improvement of the above technical scheme, in step 2), string stick point swing when and the face R1 grind ware from
Center to edge spherical curvature between 20~50 scales.
As a further improvement of the above technical scheme, in step 1)~4) in, the appearance grinding of infrared chalcogenide glass is repaired
Face and polishing are handled in batches, and processing sequence is that the grinding face R2, the grinding face R1, the face R2 is had a shave, the face R1 is had a shave, the face R1
Polishing and the polishing of the face R2.
As a further improvement of the above technical scheme, in step 4), when throwing the face R2, one eyeglass of every throwing must be changed
One lift.
As a further improvement of the above technical scheme, every to have thrown a finished product in step 4), it is rinsed at once with clear water
Then lens surface grounds travel rotates two or three circle of wiping from the center of eyeglass to edge with deerskin and is placed on glue basket.
If returning throwing 6 using 1.002~1.005 polishing fluids when there is grounds travel corrosion in the face R1 and/or the face R2 in step 4)
~10 seconds.
The beneficial effects of the present invention are: the present invention is high in machining efficiency, it is same to process the efficient polishing processes working hour ratio of an eyeglass
Classic method few 60%；Processed goods is of fine quality, and averagely fraction defective can decline 20% or so on year-on-year basis.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment to design of the invention, specific structure and generation clear, complete
Ground description, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is of the invention one
Section Example, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not paying creativeness
Other embodiments obtained, belong to the scope of protection of the invention under the premise of labour.In addition, what is be previously mentioned in text is all
/ connection relationship is connect, not singly refers to that component directly connects, and referring to can be according to specific implementation situation, by adding or reducing connection
Auxiliary, Lai Zucheng more preferably coupling structure.
Efficient polishing needs three big steps come quality requirements needed for completing client: 1. mill appearances, 2. have a shave, 3. throw
Light
One, efficiently needed for polishing: processing machine type uses tool, as follows using auxiliary material:
The face 1.R1 type: the face LP770, R2 type: SSP4；
Grind skin-LP66 × 0.8mm in the face 2.R1；
Grind skin-LP66 × 0.5mm in the face R2；
The face 3.R1 is processed using three hole clamping fixture tables；
The face R2 is processed using monolithic, has 0.7mm thickness foam cushion in total white plastic-steel clamping fixture table of type；
Ware is repaired using the brill that total type diamond is made into and repairs grinding skin in the face 4.R2；
5. high purity aluminium oxide polishing fluid；
6. damping cloth (0.7mm), it is ensured that lens surface cleannes and finish；
Two, change machine and process
It grinds in appearance (face R2)
1. the face R2 grinding ware device is on the main shaft of grinder, the height of adjustment string stick point and the face R2 grinding ware, about
2mm；
2. the spherical curvature that debugging string stick point is when swinging and the face R2 grinding ware is from center to edge, range estimation: turns main shaft
Velocity modulation sets (0 scale) starting swing arm switch to nonrotation and swings, and string stick point swings to edge and entire height in grinding center
I.e. processable when spending consistent, swing position is between 15~40 scales；
3. revolving speed is transferred to 600 revs/min, pressure 3kg after spherical curvature is debugged, the time 450 seconds, begins to use brill to repair ware and repair
The precision of the multiple face R2 grinding ware；
4. after positive and negative ware alternating conjunction repairs 100 seconds, whether range estimation grinding skin accomplishes a face shape from the center to edge, do not repair such as
It is further continued for alternately closing ware at face shape, completes to repair to be further continued for processing using substitute and see face at a spherical surface to ensure to grind skin
Precision
5. pressure mitigates 2kg when being had a shave using substitute；Substitute is removed after grinding 200 seconds, uses prototype check surface
Whether precision complies with standard, and such as complying with standard can start to grind appearance；
6. grind appearance when put by axis, every half an hour with prototype check this number of face and Asia this.
It grinds in appearance (face R1)
1. the processing face R1 changes machine process: the face R1 grinding ware is first installed on main shaft, in confirmation string stick point and the face R1 grinding ware
The height distance of heart point, about 2mm；
2. stick of going here and there is sharp and the face R1 grinding ware oscillator arc is between 20~50 scales；
The face 3.R1 is processed by the face R1 porous fixture platform, and porous processing face precision easily ensures, but removal meat thickness is slightly slow, the time
Can be more longer than monolithic, generally 500 seconds, porous fixture was generally 3 hole fixtures；
It is similar to the face R2 that ware repair action is ground in the face 4.R1, therefore omits herein；
Porous fixture processing attention in the face 5.R1 fetches movement, and eyeglass is easily fallen；
Before the face 6.R1, R2 can be with normal process, using the data of dial gauge measurement amount of grinding, grind appearance: R1, R2 are respectively gone in face
0.02MM meat is thick, and have a shave 0.01MM.
It has a shave (surface figure accuracy)
After the appearance milled of the face 1.R1, R2, board is cleaned up, adds lapping liquid again, concentration is 1.01~1.02；
2.R1, R2 have a shave in face condition and mill appearance condition it is almost the same, wherein there is 3 points of changes: 1. ask bore after core to become smaller
The face R2, R1 fixture is needed to change,；2. pressure ratio of having a shave, which grinds appearance, mitigates 1KG, 3. process time R1 faces are 400 seconds, and the face R2 is 250
Second；
Because being monolithic processing, face deformationization is very fast in the face 3.R2, need to just repair the positive and negative alternately conjunction of ware after processing 15~20 with brill
It is reprocessed after repairing；
The face 4.R1 porous processing face stable accuracy；
5. it is every processing 20 minutes or so with interferometer confirm a face R1, R2 face precision whether OK；
A, after the face R1 processing OK, You Pinbao personnel inspection various functions (meat thickness, core shift, depth, face precision etc.) are thrown after OK
Light.
Polishing
1. polishing be more can ensure that lens surface cleannes, transparency and can also remove slight line wound a protection it is dynamic
Make；
The face 2.R1, R2 is pasted on grinding ware platform exclusively with a kind of casting skin, and casting skin generally damps cloth；
It is same as refine face shape angle that the face 3.R1, R2 adjusts machining angle；
4. R2 is polished after elder generation R1, when throwing the face R2, one eyeglass of every throwing must change a lift, otherwise easily imprint, grinding
Powder, lift are generally foam；
The face 5.R1 polishing time 35 seconds, the face the R2 time 15 seconds；
6. every thrown a complete product, lens surface grounds travel is rinsed with clear water at once, then with deerskin from center to edge
Two or three circle of rotation wiping is placed on glue basket；
7. clean engineering is sent to after 20 wiped cleans of every throwing at once to clean；
8. there is grounds travel corrosion in such as face R1, R2,1.002~1.005 polishing fluids can be used to return throwing 6~10 seconds.
The above are efficiently polishing entire procedure of processing, its advantage is that can more be saved process time compared with classic method processing,
Production efficiency and quality are improved, processing cost is reduced, in classic method technique further.
※ high throws method process time:
The face R1: (200 ÷ 3) × 935 ÷ 60=1038 minutes, this time not counting fetch movement,
The face R2: 200 × 565 ÷ 60=1883 minutes, this time not counting fetch movement,
The face R1+R2 adds up to demand 2921 minutes；
※ classic method process time:
The face R1: 200 * 22 minutes=4400 minutes,
The face R2: 200 * 22 minutes=4400 minutes,
The face R1+R2 adds up to demand 8800 minutes；
※ high throws method process time and classic method process time compares:
8800-2921=5379 minutes, year-on-year process time about saved 2 times.
The comparison of ※ processing quality:
The comparison of ※ inspection result:
The present invention is high in machining efficiency, same to process an eyeglass efficient polishing processes working hour fewer than classic method 60%；Processed goods
Of fine quality, averagely fraction defective can decline 20% or so on year-on-year basis.
It is to be illustrated to better embodiment of the invention, but the invention is not limited to the reality above
Example is applied, those skilled in the art can also make various equivalent modifications on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (6)
1. the infrared efficient polishing process of chalcogenide glass, it is characterised in that: include the following steps,
1) appearance grinding is carried out to the face R2 of infrared chalcogenide glass: the face R2 grinding ware is installed on the main shaft of grinder, is adjusted
String stick point and the face R2 grinding ware are put into height, the spherical arc that debugging string stick point is when swinging and the face R2 grinding ware is from center to edge
Degree, the substitute of infrared chalcogenide glass are fixed by the face R2 single hole fixture, after positive and negative ware alternating conjunction repairs 100 seconds, range estimation grinding skin
Whether accomplish a spherical surface from the center to edge, do not accomplish spherical surface such as and be further continued for alternately closing ware, completes to repair to ensure to grind skin
At a spherical surface, after continuing to use substitute grinding 200 seconds, whether check surface precision is complied with standard, and such as complies with standard and starts to grind
After the completion of grinding, infrared chalcogenide glass is removed for the face R2 for grinding infrared chalcogenide glass；
2) appearance grinding is carried out to the face R1 of infrared chalcogenide glass: the face R1 grinding ware is installed on the main shaft of grinder, is adjusted
String stick point and the face R1 grinding ware are put into height, the spherical arc that debugging string stick point is when swinging and the face R1 grinding ware is from center to edge
Degree, infrared chalcogenide glass are fixed by the face R1 porous fixture, and the face R1 grinding ware removes infrared chalcogenide glass after grinding 500 seconds；
3) it has a shave to the face R2 of infrared chalcogenide glass and the face R1: after the appearance milled of the face R1, R2, board being cleaned dry respectively
Only, lapping liquid is added again, replaces the corresponding face R2 single hole fixture and the face R1 porous fixture, and R2 time of having a shave in face is 250 seconds, R1
Face have a shave the time be 400 seconds；
4) face R1 of infrared chalcogenide glass and the face R2 are polished respectively: damping cloth is respectively adhered on the face R1 grinding ware and R2
Face grind ware on, first the face R1 is polished, after the face R2 is polished, the face R1 polishing time be 35 seconds, the face R2 polish when
Between be 15 seconds.
2. the efficient polishing process of infrared chalcogenide glass according to claim 1, it is characterised in that: in step 1), string stick
The spherical curvature that point is when swinging and the face R2 grinding ware is from center to edge is between 15~40 scales.
3. the efficient polishing process of infrared chalcogenide glass according to claim 1, it is characterised in that: in step 2), string stick
The spherical curvature that point is when swinging and the face R1 grinding ware is from center to edge is between 20~50 scales.
4. the efficient polishing process of infrared chalcogenide glass according to claim 1, it is characterised in that: in step 1)~4) in,
The appearance grinding of infrared chalcogenide glass, having a shave and polishing is handled in batches, and processing sequence is the grinding face R2, grinding R1
Face, the face R2 are had a shave, the face R1 is had a shave, the polishing of the face R1 and the face R2 polish.
5. the efficient polishing process of infrared chalcogenide glass according to claim 1, it is characterised in that: in step 4), throwing
When the face R2, one eyeglass of every throwing must change a lift.
6. the efficient polishing process of infrared chalcogenide glass according to claim 1, it is characterised in that: in step 4), every throwing
A complete finished product rinses lens surface grounds travel with clear water at once, then rotates wiping from the center of eyeglass to edge with deerskin
Two or three circle is placed on glue basket.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711266277.9A CN108247431B (en) | 2017-12-05 | 2017-12-05 | The infrared efficient polishing process of chalcogenide glass |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711266277.9A CN108247431B (en) | 2017-12-05 | 2017-12-05 | The infrared efficient polishing process of chalcogenide glass |
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| CN108247431B true CN108247431B (en) | 2019-09-20 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829946A (en) * | 2010-05-28 | 2010-09-15 | 江苏南晶红外光学仪器有限公司 | Technology for machining two surfaces of infrared window piece |
| CN203542291U (en) * | 2013-10-23 | 2014-04-16 | 常熟鑫锐光学有限公司 | Optical lens polishing device |
| CN104589172A (en) * | 2014-12-24 | 2015-05-06 | 宁波大学 | Polishing method of chalcogenide glass |
| CN204382072U (en) * | 2014-12-24 | 2015-06-10 | 宁波大学 | A kind of chalcogenide glass polishing mould |
| KR20150112165A (en) * | 2014-03-27 | 2015-10-07 | 아이오솔루션(주) | Processing apparatus for aspherical lens of infrared |
| CN105081895A (en) * | 2015-07-15 | 2015-11-25 | 天津津航技术物理研究所 | High-precision machining method for chalcogenide glass lens |
-
2017
- 2017-12-05 CN CN201711266277.9A patent/CN108247431B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829946A (en) * | 2010-05-28 | 2010-09-15 | 江苏南晶红外光学仪器有限公司 | Technology for machining two surfaces of infrared window piece |
| CN203542291U (en) * | 2013-10-23 | 2014-04-16 | 常熟鑫锐光学有限公司 | Optical lens polishing device |
| KR20150112165A (en) * | 2014-03-27 | 2015-10-07 | 아이오솔루션(주) | Processing apparatus for aspherical lens of infrared |
| CN104589172A (en) * | 2014-12-24 | 2015-05-06 | 宁波大学 | Polishing method of chalcogenide glass |
| CN204382072U (en) * | 2014-12-24 | 2015-06-10 | 宁波大学 | A kind of chalcogenide glass polishing mould |
| CN105081895A (en) * | 2015-07-15 | 2015-11-25 | 天津津航技术物理研究所 | High-precision machining method for chalcogenide glass lens |
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