[go: up one dir, main page]

CN100431790C - Processing method of optical glass and silicon single crystal aspheric optical element - Google Patents

Processing method of optical glass and silicon single crystal aspheric optical element Download PDF

Info

Publication number
CN100431790C
CN100431790C CNB2005100107442A CN200510010744A CN100431790C CN 100431790 C CN100431790 C CN 100431790C CN B2005100107442 A CNB2005100107442 A CN B2005100107442A CN 200510010744 A CN200510010744 A CN 200510010744A CN 100431790 C CN100431790 C CN 100431790C
Authority
CN
China
Prior art keywords
aspheric surface
polishing
rev
single crystal
silicon single
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.)
Expired - Fee Related
Application number
CNB2005100107442A
Other languages
Chinese (zh)
Other versions
CN1846937A (en
Inventor
张有彩
罗刚
段有辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yunnan North Optical & Electron Group Co ltd
Original Assignee
Yunnan North Optical & Electron Group Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yunnan North Optical & Electron Group Co ltd filed Critical Yunnan North Optical & Electron Group Co ltd
Priority to CNB2005100107442A priority Critical patent/CN100431790C/en
Publication of CN1846937A publication Critical patent/CN1846937A/en
Application granted granted Critical
Publication of CN100431790C publication Critical patent/CN100431790C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

The invention discloses a processing technology of an optical element, which is mainly used for processing optical glass and silicon single crystal aspheric optical elements. The main technical characteristics are as follows: the optical glass and the silicon single crystal are processed by a computer numerical control grinding machine and a numerical control polishing machine tool, and a new process flow, aspheric surface fine grinding, aspheric surface polishing repairing, surface shape detection and the like are adopted. The invention fundamentally overcomes the defects of low efficiency and difficult guarantee of precision in the process of processing the optical glass and the silicon single crystal aspheric optical element by using the traditional polishing process method. The expected effects of reducing the production cost, stabilizing the quality and obviously improving the efficiency are achieved.

Description

The processing method of optical glass and silicon single crystal aspherical optical element
One, technical field
The invention belongs to a kind of process technology of optical element, be mainly used in the making of common optical glass and silicon single crystal material aspherical optical element.
Two, background technology
By retrieval, do not find same or analogous therewith technology report, at present,, mainly adopt traditional polishing process technology to the processing of optical glass and silicon single crystal material aspherical optical element, its main technique flow process is:
Figure C20051001074400031
Generally speaking, only,, can process reluctantly, but the element of producing exists the defective that the cycle is long, cost is high, precision is difficult to guarantee for high order aspheric surface (more than 10 times) to 2 aspherical optical element processing.
Three, summary of the invention
Major technique task of the present invention and purpose are: according to the deficiency of traditional processes aspherical optical element, seek a kind of new method, processing to ordinary optical glass and silicon single crystal material aspherical optical element, realize that production efficiency significantly improves, precision quality is guaranteed, the adaptive optics system develops to weak point, little, smart direction, to meet the need of market.
Main technical schemes of the present invention is: process with computer numerically control grinder and computer numerical control burnishing machine.Its technological process: A, blanking, B, aspheric surface corase grind, C, aspheric surface correct grinding, D, aspheric surface polishing, E, aspheric surface are repaiied throwing, F, detection faces type, G, packing.
The aspherical optical element that is processed, surface quality is better, and roughness Ra reaches 0.003 micron, compares with traditional processing method, and production efficiency improves more than ten times at least, and the element qualification rate reaches absolutely, and cost and quality are obviously improved.
Four, description of drawings
Fig. 1 is a process chart of the present invention, also is main technical schemes figure of the present invention.
Fig. 2 is butterfly emery wheel figure of the present invention.
Fig. 3 is an overall flexibility polishing die drawing of the present invention.
Fig. 4 is a correction polishing die drawing of the present invention.
Fig. 5 is 2 aspherical optical element processing and implementation illustrations of the present invention.
Fig. 6 is 10 aspherical optical element processing and implementation illustrations of the present invention.
Fig. 7 is 15 aspherical optical element processing and implementation illustrations of the present invention.
Five, the specific embodiment
Describe the present invention below in conjunction with drawings and Examples.
With the most frequently used representative K in the optical glass 3, K 4, K 9, ZF 2, ZF 5, ZF 6, LaK, baK glass and silicon single crystal material be example, 2 times, 10 times, 15 times aspherical optical elements are processed, with computer numerically control grinder and computer numerical control burnishing machine, adopt rational process and detection means, met the aspherical optical element of specification requirement fully.
With reference to Fig. 1, the present invention is undertaken by following technological process:
A, blanking are carried out cutting stock with inside diameter slicer to optical glass material.
B, aspheric surface corase grind, (1), according to given parameter input equation calculates and the matched radius of curvature R of aspheric surface by computer software Fit, go out radius R with the milling of the model method of forming again Fit, (2) grind aspheric surface with butterfly corase grind emery wheel by track after programming by numerically control grinder according to parameter, 8000-12000 rev/min of emery wheel rotating speed, and workpiece rotational frequency 40-70 rev/min, 0.04 millimeter of cutting-in, amount of feeding 0.1-0.5 millimeter/minute.
C, aspheric surface correct grinding, carry out the workpiece correct grinding with butterfly correct grinding emery wheel (1), 8000-12000 rev/min of emery wheel rotating speed, workpiece rotational frequency 40-70 rev/min, 0.02 millimeter of cutting-in, amount of feeding 0.1-0.05 millimeter/minute.(2) with the aspheric surface behind the accurate edge analysis instrument detection of the contact correct grinding, by the amount of movement of adjustment Digit Control Machine Tool X-axis and the thickness error of workpiece, reach the qualified face shape error of this operation promptly: roughness average Ra<0.2 micron, maximum Rt<2 micron.
D, aspheric surface polishing are polished 600 rev/mins of polished die rotating speeds, 580 rev/mins of workpiece rotational frequencies with overall flexibility polishing mould on digital control polishing machine tool to the aspheric surface workpiece.After polishing tens of branch kinds (time according to workpiece size size decide), by measuring, error Rt<1 micron, eligible commentaries on classics next procedure.If defective, return the aspheric surface precision grinding process and carry out the milling compensation, polished again tens of minutes, measure again.Till qualified.
E, aspheric surface are repaiied throwing, carry out small abrasive nose compensation polishing correction to polishing qualified aspheric surface workpiece with revising the polishing mould.600 rev/mins of polished die rotating speeds, 580 rev/mins of workpiece rotational frequencies.
F, detection faces shape are carried out the check of final face shape, and surface precision reaches Ra<0.05 micron, Rt<0.5 micron, and fineness reaches the II level.
G, packing.
Equipment needed thereby: computer numerical control grinding machine, computer numerical control burnishing machine, the accurate edge analysis instrument of contact.
With reference to Fig. 2, thick, finishing grinding wheel that the present invention uses are the butterfly emery wheel, are made up of diamond 1, bronze body 2, axis hole 3.
With reference to Fig. 3, the overall flexibility polishing mould that the present invention uses is made up of brass body 4, high density sponge 5, polyamine fat 6.
With reference to Fig. 4, be the correction polishing mould that the present invention uses, form by rustless steel body 7, cutting ferrule 8, rubber sleeve 9, small abrasive nose fixed axis 10, small abrasive nose 11.
Embodiment one, 2 aspherical optical elements of processing, as shown in Figure 5, the H face is an aspheric surface, material: optical glass material or silicon single crystal material, Φ=17 millimeter, aspheric surface vertex radius R 0=10.085 millimeters, δ=5 millimeter, 2 aspheric surface equations: Y = CX 2 / 1 + 1 - ( 1 + K ) C 2 X 2 , Wherein Y represents that any promptly claims camber apart from the vertical range on aspheric surface summit arbitrarily on the aspheric surface, and X is any some data on aspheric surface effective radius Φ/2=8.5 millimeter, and K is a face type coefficient, K=-1.490242, C=1/R 0=0.0991571641,
A, blanking by drawing, are carried out blanking with inside diameter slicer to optical glass or silicon single crystal material.
B, aspheric surface corase grind, (1), according to given parameter input equation calculates and the matched radius of curvature R of aspheric surface by computer software Fit, R Fit=12.55 millimeters, go out radius R by the milling of the model method of forming Fit, programme by numerically control grinder according to parameter (2), grinds aspheric surface by track, 8000 rev/mins of emery wheel rotating speeds, 40 rev/mins of workpiece rotational frequencies, 0.04 millimeter of cutting-in, 0.1 millimeter/minute of the amount of feeding with butterfly corase grind emery wheel.
C, aspheric surface correct grinding, (1) finish grindes 8000 rev/mins of emery wheel rotating speeds, 40 rev/mins of workpiece rotational frequencies, 0.02 millimeter of cutting-in, 0.1 millimeter/minute of the amount of feeding with butterfly correct grinding emery wheel to workpiece.(2) detect correct grinding back aspheric surface with the edge analysis instrument, this operation error should reach Ra<0.2 micron, Rt<2 micron.If do not reach, reach by the amount of movement of adjustment Digit Control Machine Tool X-axis and the thickness error of workpiece.
D, aspheric surface polishing, workpiece is polished 600 rev/mins of polished die rotating speeds, 580 rev/mins of workpiece rotational frequencies with overall flexibility polishing mould on numerical control polishing, after polishing 15 fens kinds, qualified by measuring (error should reach Rt<1 micron) changes next procedure.If defective, return the aspheric surface precision grinding process and carry out the milling compensation, polished again 15 minutes, measure again.Till qualified.
E, aspheric surface are repaiied throwing, carry out small abrasive nose compensation polishing correction, 600 rev/mins of polished die rotating speeds, 580 rev/mins of workpiece rotational frequencies to polishing qualified workpiece with revising the polishing mould.
F, detection faces shape are carried out the check of final face shape, and surface precision reaches Ra<0.05 micron, Rt<0.5 micron, and fineness reaches the II level.
G, packing.
Equipment needed thereby is the same in the process.
Embodiment two: process 10 times aspherical optical element, as shown in Figure 6, H is an aspheric surface, material: optical glass or silicon single crystal, Φ=60 millimeter, R=92.04 millimeter, δ 1=12.33 millimeters, δ 2=10.76 millimeters, aspheric surface effective radius Φ/2=30 millimeter, aspheric surface vertex radius R 0=215.985 millimeters.The aspheric surface equation: Y = CX 2 / 1 + 1 - ( 1 + K ) C 2 X 2 + a 2 X 2 + a 3 X 3 + a 4 X 4 + . . . . . . a 10 X 10 , C=1/R wherein 0=0.00463, K=46.308, a 2, a 3, a 5, a 7, a 9Be zero, a 4=-1.027972E-6, a 6=4.53049E-10, a 8=8.80954E-13, a 10=-1.022878E-15, X are any data of any on effective radius Φ/2=30 millimeter.
A, blanking by drawing, are carried out blanking with inside diameter slicer to optical glass or silicon single crystal material.
B, aspheric surface corase grind, (1), according to given parameter input equation calculates and the matched radius of curvature R of aspheric surface by computer software Fit, R Fit=143.22 millimeters, go out radius R by the milling of the model method of forming Fit, programme by numerically control grinder according to parameter (2), grinds aspheric surface with butterfly corase grind emery wheel by track.10000 rev/mins of emery wheel rotating speeds, 60 rev/mins of workpiece rotational frequencies, 0.04 millimeter of cutting-in, 0.2 millimeter/minute of the amount of feeding.
C, aspheric surface correct grinding, (1) finish grindes 10000 rev/mins of emery wheel rotating speeds, 60 rev/mins of workpiece rotational frequencies, 0.02 millimeter of cutting-in, 0.02 millimeter/minute of the amount of feeding with butterfly correct grinding emery wheel to workpiece.(2) detect aspheric surface behind the correct grinding with the edge analysis instrument, error should reach Ra<0.2 micron, Rt<2 micron, if do not reach, the amount of movement by adjusting the Digit Control Machine Tool X-axis and the thickness error of workpiece reach.
D, aspheric surface polishing, workpiece is polished 600 rev/mins of polished die rotating speeds, 580 rev/mins of workpiece rotational frequencies with overall flexibility polishing mould on numerical control polishing, after polishing 60 fens kinds, change next procedure by measuring eligible (error should reach Rt<1 micron).If defective, return the aspheric surface precision grinding process and carry out the milling compensation, polished again 60 minutes, measure again.Till qualified.
E, aspheric surface are repaiied throwing, carry out small abrasive nose compensation polishing correction, 600 rev/mins of polished die rotating speeds, 580 rev/mins of workpiece rotational frequencies to polishing qualified aspheric surface workpiece with revising the polishing mould.
F, detection faces shape are carried out the check of final face shape, and surface precision reaches Ra<0.05 micron, Rt<0.5 micron, and fineness reaches the II level.
G, packing.
Equipment needed thereby is the same in the process.
Embodiment three, process 15 times aspherical optical element, and as shown in Figure 7, H is an aspheric surface, material: optical glass or silicon single crystal material, Φ=82 millimeter, δ 1=4.37 millimeters, δ 2=3.98 millimeters, R=64.86 millimeter, R 0=30.70475 millimeters, 15 aspheric surface equations: Y = CX 2 / 1 + [ 1 - ( 1 + K ) C 2 X 2 + a 2 X 2 + a 3 X 3 + a 4 X 4 + . . . . . . a 15 X 15 , a 2, a 3, a 4, a 5, a 7, a 9, a 11, a 12, a 13, a 14, be zero, a 6=-1.35762E-8, a 8=1.144274E-11, a 10=4.921716E-14, a 15=-3.30473E-18, X are any data of any on effective radius Φ/2=41 millimeter, C=1/R 0=0.03256825, K=0.4811033.
A, blanking according to the drawing requirement, are carried out blanking with inside diameter slicer to optical glass or silicon single crystal.
B, aspheric surface corase grind, (1), according to given parameter input equation calculates and the matched radius of curvature R of aspheric surface by computer software Fit, R Fit=30.924 millimeters, go out radius R by the milling of the model method of forming Fit, programme by numerically control grinder according to parameter (2), grinds aspheric surface by track, 12000 rev/mins of emery wheel rotating speeds, 70 rev/mins of workpiece rotational frequencies, 0.04 millimeter of cutting-in, 0.5 millimeter/minute of the amount of feeding with butterfly corase grind emery wheel.
C, aspheric surface correct grinding, (1) finish grindes 12000 rev/mins of emery wheel rotating speeds, 70 rev/mins of workpiece rotational frequencies, 0.02 millimeter of cutting-in, 0.05 millimeter/minute of the amount of feeding with butterfly correct grinding emery wheel to workpiece.(2) detect aspheric surface behind the correct grinding with the edge analysis instrument, error should reach Ra<0.2 micron, Rt<2 micron, if do not reach, the amount of movement by adjusting the Digit Control Machine Tool X-axis and the thickness error of workpiece reach.
D, aspheric surface polishing, workpiece is polished 600 rev/mins of polished die rotating speeds, 580 rev/mins of workpiece rotational frequencies with overall flexibility polishing mould on numerical control polishing, after polishing 60 fens kinds, qualified by detecting (error should reach Rt<1 micron) changes next procedure.If defective, return the aspheric surface precision grinding process and carry out the milling compensation, polished again several 60 minutes, measure again.Till qualified.
E, aspheric surface are repaiied throwing, carry out small abrasive nose compensation polishing correction, 600 rev/mins of polished die rotating speeds, 580 rev/mins of workpiece rotational frequencies to polishing qualified aspheric surface workpiece with revising the polishing mould.
F, detection faces shape are carried out the check of final face shape, and surface precision reaches Ra<0.05 micron, Rt<0.5 micron, and fineness reaches the II level.
G, packing.
Equipment needed thereby is the same in the process.
Below only enumerate the processing instance of 2 times, 10 times, 15 times optical glass and silicon single crystal aspherical optical element, all realized producing in batches, qualification rate reaches purpose of the present invention fully absolutely.

Claims (4)

1, the processing method of a kind of optical glass and silicon single crystal aspherical optical element is characterized in that: optical glass and silicon single crystal are processed the adopting process flow process with computer numerically control grinder and digital control polishing machine tool:
A, blanking are carried out cutting stock with inside diameter slicer to optical glass material;
B, aspheric surface corase grind, according to given parameter input equation, calculate and the matched radius of curvature of aspheric surface by computer software, go out radius with the milling of the model method of forming, after programming by numerically control grinder according to parameter again, grind aspheric surface by track with butterfly corase grind emery wheel, 8000-12000 rev/min of emery wheel rotating speed, workpiece rotational frequency 40-70 rev/min, 0.04 millimeter of cutting-in, amount of feeding 0.1-0.5 millimeter/minute;
C, aspheric surface correct grinding finish grind workpiece with butterfly correct grinding emery wheel, 8000-12000 rev/min of emery wheel rotating speed, and workpiece rotational frequency 40-70 rev/min, 0.02 millimeter of cutting-in, amount of feeding 0.1-0.05 millimeter/minute;
D, aspheric surface polishing, with overall flexibility polishing mould the aspheric surface workpiece is polished on digital control polishing machine tool, 600 rev/mins of polished die rotating speeds, 580 rev/mins of workpiece rotational frequencies, the polishing back is by detecting, qualified commentaries on classics next procedure, underproof, return the aspheric surface precision grinding process and carry out the milling compensation, polish again, detect again, until qualified;
E, aspheric surface are repaiied throwing, to polishing qualified aspheric surface workpiece, carry out small abrasive nose compensation polishing correction, 600 rev/mins of polished die rotating speeds, 580 rev/mins of workpiece rotational frequencies with revising the polishing mould;
F, detection faces shape are finally detected workpiece with accurate edge analysis instrument;
G, packing.
2, the processing method of optical glass according to claim 1 and silicon single crystal aspherical optical element is characterized in that: the butterfly emery wheel that is adopted, form by diamond (1), bronze body (2), axis hole (3).
3, the processing method of optical glass according to claim 1 and silicon single crystal aspherical optical element is characterized in that: the overall flexibility polishing mould that is adopted, form by brass body (4), high density sponge (5), polyamine fat (6).
4, the processing method of optical glass according to claim 1 and silicon single crystal aspherical optical element, it is characterized in that: the correction polishing mould that is adopted, form by rustless steel body (7), cutting ferrule (8), rubber sleeve (9), small abrasive nose fixed axis (10), small abrasive nose (11).
CNB2005100107442A 2005-04-13 2005-04-13 Processing method of optical glass and silicon single crystal aspheric optical element Expired - Fee Related CN100431790C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005100107442A CN100431790C (en) 2005-04-13 2005-04-13 Processing method of optical glass and silicon single crystal aspheric optical element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005100107442A CN100431790C (en) 2005-04-13 2005-04-13 Processing method of optical glass and silicon single crystal aspheric optical element

Publications (2)

Publication Number Publication Date
CN1846937A CN1846937A (en) 2006-10-18
CN100431790C true CN100431790C (en) 2008-11-12

Family

ID=37076789

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100107442A Expired - Fee Related CN100431790C (en) 2005-04-13 2005-04-13 Processing method of optical glass and silicon single crystal aspheric optical element

Country Status (1)

Country Link
CN (1) CN100431790C (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101811284B (en) * 2010-05-09 2012-08-22 无锡上机数控股份有限公司 Numerical-control silicon briquette double-surface lapping machine
CN102139465B (en) * 2010-09-16 2012-11-07 湖南大学 High-efficiency ultra-precision machining method for parts with aspheric curved surfaces and high-efficiency ultra-precision machining device therefor
CN102615554B (en) * 2012-04-15 2014-08-20 长春中俄科技园股份有限公司 Processing method of miniature spherical or aspherical lens array
CN103481155A (en) * 2013-08-23 2014-01-01 中国航天科工集团第三研究院第八三五八研究所 Numerical control machining method of Si aspherical lens
CN104290002B (en) * 2013-11-28 2016-08-17 中国航空工业集团公司洛阳电光设备研究所 A kind of processing method of cylindrical mirror
CN104440385B (en) * 2014-10-21 2016-09-28 上海现代先进超精密制造中心有限公司 The compensation method of High-precision aspheric milling processing edge effect
CN104759964B (en) * 2015-03-25 2017-04-12 中国科学院长春光学精密机械与物理研究所 Deformation processing method for optical aspheric element
CN105834859A (en) * 2016-04-13 2016-08-10 中国科学院光电技术研究所光学元件厂 Cold-machining technology for high-precision optical lenses
CN105710747A (en) * 2016-05-04 2016-06-29 长春博信光电子有限公司 Processing method of micro cylindrical mirror
CN107322374B (en) * 2017-08-24 2019-04-05 苏州鑫河镜业有限公司 A kind of process control finely grinds mirror method
CN107584337A (en) * 2017-10-23 2018-01-16 北京理工大学 Based on the spherical optics element of confocal laser interferometry without model processing method
CN108161645B (en) * 2018-01-05 2019-10-29 大连理工大学 A workpiece rotation method grinding device and method for a low-rigidity high-precision plane mirror
CN109275986B (en) * 2018-09-20 2021-04-02 瑞安市祥研科技有限公司 Automatic shoe sole roughing machine
CN109202602B (en) * 2018-09-20 2020-03-17 成都光明光电股份有限公司 Method for polishing non-spherical mold insert
CN109514355A (en) * 2018-11-06 2019-03-26 云南北方驰宏光电有限公司 The processing method and system of processing of aspherical cylindrical mirror
CN109514384A (en) * 2018-11-07 2019-03-26 西安工业大学 The polishing method and device of aspherical optical element
CN111843629B (en) * 2020-07-31 2022-02-11 长春博信光电子有限公司 Aspherical mirror polishing process and polishing disk thereof
CN112157497B (en) * 2020-09-24 2022-06-10 天津津航技术物理研究所 Precision grinding and polishing method for inner hole of large-diameter glass cylindrical window
CN112496876B (en) * 2020-12-04 2022-11-18 天津津航技术物理研究所 Ultra-precise turning method for aspheric surface of silicon lens
CN114274013A (en) * 2022-01-07 2022-04-05 长春博信光电子有限公司 Processing method of non-spherical cylindrical surface

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4662119A (en) * 1984-07-25 1987-05-05 Haruchika Precision Company, Ltd. Automatic lens grinding apparatus
CN2199009Y (en) * 1994-10-17 1995-05-31 高峻峰 Combined abrasive wheel for diamond
EP0937542A1 (en) * 1998-02-23 1999-08-25 Schneider GmbH + Co. KG Method for polishing optical lenses and polishing apparatus with multiple spindles and tools for carrying out the method
CN1311080A (en) * 2000-03-02 2001-09-05 中国科学院光电技术研究所 Computer digital control large-scale integrated optical processing mechanism
DE10028618A1 (en) * 2000-06-07 2001-12-13 Schneider Gmbh & Co Kg Method to process surfaces of optical lenses; involves fine grinding lens, using fine grinding tool supporting small fine grinding film on elastic support to move in small circles against lens
CN2578044Y (en) * 2002-11-25 2003-10-08 田吉胜 Polishing cloth
CN2640701Y (en) * 2003-07-08 2004-09-15 险峰机床厂 Siemens digital control system applied in roller grinder work piece measuring device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4662119A (en) * 1984-07-25 1987-05-05 Haruchika Precision Company, Ltd. Automatic lens grinding apparatus
CN2199009Y (en) * 1994-10-17 1995-05-31 高峻峰 Combined abrasive wheel for diamond
EP0937542A1 (en) * 1998-02-23 1999-08-25 Schneider GmbH + Co. KG Method for polishing optical lenses and polishing apparatus with multiple spindles and tools for carrying out the method
CN1311080A (en) * 2000-03-02 2001-09-05 中国科学院光电技术研究所 Computer digital control large-scale integrated optical processing mechanism
DE10028618A1 (en) * 2000-06-07 2001-12-13 Schneider Gmbh & Co Kg Method to process surfaces of optical lenses; involves fine grinding lens, using fine grinding tool supporting small fine grinding film on elastic support to move in small circles against lens
CN2578044Y (en) * 2002-11-25 2003-10-08 田吉胜 Polishing cloth
CN2640701Y (en) * 2003-07-08 2004-09-15 险峰机床厂 Siemens digital control system applied in roller grinder work piece measuring device

Also Published As

Publication number Publication date
CN1846937A (en) 2006-10-18

Similar Documents

Publication Publication Date Title
CN100431790C (en) Processing method of optical glass and silicon single crystal aspheric optical element
Brinksmeier et al. Ultra-precision grinding
CN105834859A (en) Cold-machining technology for high-precision optical lenses
CN101504036B (en) Manufacture equipment and process for roller bearing spherical roller
CN102152194B (en) Method for polishing lens made from glass or plastic
CN105467480B (en) A kind of high-precision CVD ZnSe lens machining method for aspheric surface
CN102049714A (en) Method for processing edge of glass plate
Beaucamp et al. Finishing of optical moulds to λ/20 by automated corrective polishing
US11969805B2 (en) Method and device for milling large-diameter aspheric surface by using splicing method and polishing method
CN102490103A (en) Meniscus lens and processing method therefor
CN100418675C (en) Processing method of germanium single crystal aspheric optical element
EP1409198B1 (en) Method for ophthalmic lens manufacture
CN101856805A (en) Method for producing large-size synthetic quartz glass substrate
Xie et al. Form-truing error compensation of diamond grinding wheel in CNC envelope grinding of free-form surface
Fiocchi et al. Ultra-precision face grinding with constant pressure, lapping kinematics, and SiC grinding wheels dressed with overlap factor
Zhu et al. A helical interpolation precision truing and error compensation for arc-shaped diamond grinding wheel
CN100418676C (en) Processing method of zinc selenide and zinc sulfide aspheric optical element
CN109483365B (en) Method for processing calcium fluoride material step rotary aspheric lens
CN112496876A (en) Ultra-precise turning method for aspheric surface of silicon lens
JP2000237942A (en) Grinding method and apparatus
JPS60114457A (en) Spherical face forming grinder
CN114274013A (en) Processing method of non-spherical cylindrical surface
US12019424B2 (en) Method for numerical control milling, forming and polishing of large-diameter aspheric lens
CN211841341U (en) A device for milling and grinding large-diameter aspheric surfaces by splicing method
Reshetnikova et al. Correction of form errors during centerless grinding of balls

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081112

Termination date: 20150413

EXPY Termination of patent right or utility model