CN104551894A - Processing method of L-shaped ZnSe (zinc selenide) turning prism - Google Patents
Processing method of L-shaped ZnSe (zinc selenide) turning prism Download PDFInfo
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- CN104551894A CN104551894A CN201410717237.1A CN201410717237A CN104551894A CN 104551894 A CN104551894 A CN 104551894A CN 201410717237 A CN201410717237 A CN 201410717237A CN 104551894 A CN104551894 A CN 104551894A
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- Prior art keywords
- prism
- turns
- turning
- blank
- znse
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B1/00—Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods
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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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
- B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
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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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
- B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
- B24B9/146—Accessories, e.g. lens mounting devices
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
Abstract
The invention belongs to the field of precision processing and manufacturing of optical elements, and relates to a processing method of an L-shaped ZnSe (zinc selenide) turning prism, which solves the problem of the classical optical processing method that the polyhedron prism with complicated structure is difficultly processed. The processing method mainly comprises the following steps of according to the completing size of the prism, calculating the initial structure of a blank, and using an abrasive wire sawing machine to cut the initial structure; grinding the upper end surface and the lower end surface of the blank, and reducing the thickness; manufacturing a fixture and a flying cutter disc, wherein the fixture is used for fixing the prism, and the flying cutter disc is used for clamping a diamond cutter; positioning and fixing the blank and the fixture of the turning prism on a precision turntable of a lathe, and forming a diamond flying cutter turning type turning prism processing system; designing and implementing a turning processing path, and adopting a rough turning and precision turning two-step processing method to form. The processing method has the advantage that under the condition of guaranteeing of the part accuracy, the production efficiency is improved, and the labor intensity is decreased.
Description
Technical field
The present invention relates to optical element Precision Machining and manufacture field, particularly relate to the processing method that a kind of L-type ZnSe turns to prism.
Background technology
As everyone knows, be different from other revolution class optical elements, prism is made up of two or more optical flat, and each plane has again certain angle requirement, thus its difficulty of processing is increased.At present, high-precision polygon mirror class part is all utilize special fixture by veteran technician, be aided with the manual method of grinding of repairing process by block by polishing grinding equipment from being molded into each operation of polishing.There is very large uncertainty in kinds of processes parameter in process, causes that the process-cycle is long, efficiency is low, labour intensity is large.
Diamond fly cutter turnery processing is as the efficient ultra-precise optical process technology of one, diamond cutter is with main shaft High Rotation Speed and make x to feed motion, the track of such point of a knife just forms a plane, trade union college is on Work turning table simultaneously, actually add man-hour, Work turning table is set to the angle of workpiece requirement, completes the turning of whole working face successively.Turn to prism as a kind of polyhedral structure optical element, be very suitable for diamond fly cutter process technology.In turning process, in order to ensure that prism machining accuracy should avoid secondary positioning and clamping as far as possible, need to complete processing on one-time positioning basis.
L-type turns to prism working surface numerous, and in prism seven faces, multiple face is working face, and the attitude on each surface restricts mutually, arbitrary size or angle is overproof will affect other all surface machining accuracy.So turn to prism for L-type ZnSe, design complete set, efficient processing method are particularly important.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is: simplify the machining process that L-type ZnSe turns to prism, improve machining accuracy.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides the processing method that a kind of L-type ZnSe turns to prism, comprising the steps:
Step one: turn to prism finish size according to ZnSe, calculates blank initial configuration, and uses abrasive wire sawing machine that plate is cut out initial configuration;
Step 2: grinding blank upper and lower end face, thickness thinning;
Step 3: turn to prism blank and fixture to locate and be fixed on the precise rotating platform of lathe, sets up the turning of diamond fly cutter and turns to prism system of processing;
Step 4: design turning machining path, adopts each surface of rough turn prism;
Step 5: each surface of precision turning prism.
Preferably: in described step 2, processing to step one ZnSe obtained turns to prism blank to grind upper and lower end face, adopt metal flat refiner discs to carry out grinding abrasive and adopt 280# diamond dust, remove the thickness surplus that ZnSe turns to prism blank, make ZnSe turn to prism thickness to reach finish size.
Preferably: in described step 3, process to step 2 the ZnSe obtained turn to prism blank and fixture to locate and be fixed on the precise rotating platform of lathe, method for positioning and fixing is as follows: (1) sectional fixture, on precise rotating platform, uses inductance instrument centering chucking position; (2) installation turns to prism blank and protection pad, uses inductance instrument to demarcate the position relationship of surperficial allowance and rotating center and turntable pivot; (3) clamping turns to prism, and fixes at fixture and absorption surface edge coating epoxy glue.
Preferably: in described step 4, processing to step 3 the ZnSe obtained turns to prism blank to use the rough turn each surface of diamond cutter, after first machines, rotary work turntable is to the angle required, process second, then the like, order completes the turning of whole working face.
Preferably: in described step 5, the ZnSe obtained is processed to step 4 and turn to each surface of prism blank precision turning, after first machines, rotary work turntable is to the angle required, process second, then the like, order completes the turning of whole working face.
Preferably: in described step 4, the point of a knife radius of turn 30mm of diamond cutter, speed of mainshaft 1500r/min, turning depth of cut 0.01mm, feed speed 10mm/min; In described step 5, diamond point of a knife radius of turn 30mm, speed of mainshaft 1800r/min, depth of cut 0.003mm, feed speed 3mm/min.
(3) beneficial effect
Technique scheme tool has the following advantages: adopt and lathe walking mechanism precision can be relied on to replace the intuition of workman to ensure accessory size, angle precision, realize the L-type ZnSe that abrasive polishing method can not process and turn to prism, and can working (machining) efficiency be improved, reducing the number of rejects and seconds rate, is feasible and efficient processing method.
Accompanying drawing explanation
Fig. 1 is the flow process chart that a kind of high-precision Z nSe of the present invention turns to prism.
Fig. 2 is the processing method front view that the present invention adopts.
Fig. 3 is the processing method top view that the present invention adopts.
Fig. 4 is cutting tool path schematic diagram.
Fig. 5 turns to prism schematic three dimensional views.
In figure: 1-flying disc; 2-diamond cutter; 3-fixture; 4-turns to prism blank; D1-main shaft direction of rotation; D2-direction of feed; A, B, C, D, E, F-working face.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
In describing the invention, it should be noted that, term " on ", D score, "left", "right", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be direct connection, also can be indirectly connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood depending on concrete condition.
In addition, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
Shown in Fig. 5, the present embodiment L-type ZnSe turns to the processing method of prism, comprises the steps:
Step one: according to prism finish size, calculates blank initial configuration, and uses abrasive wire sawing machine that plate is cut out initial configuration.
Particularly, according to prism finish size, calculate blank initial configuration, and use abrasive wire sawing machine to CVD ZnSe material cutting stock, obtain ZnSe prism blank, the every working face of ZnSe prism blank leaves the surplus of 0.1mm-0.6mm, the surplus of preferred 0.1mm, so that following process, save manufacturing procedure.
Step 2: grinding blank upper and lower end face, thickness thinning, reaches prism finish size.
Particularly, grinding blank upper and lower end face, also be two faces of frock clamping contact, thickness thinning, processing to step one ZnSe obtained turns to prism blank to grind upper and lower end face, and adopt metal flat refiner discs to grind, abrasive material adopts 280# diamond dust, remove the thickness surplus that ZnSe turns to prism blank, ZnSe turns to prism thickness to reach finish size;
Step 3: turn to prism blank and fixture to locate and be fixed on the precise rotating platform of diamond turning lathe, sets up the turning of diamond fly cutter and turns to prism system of processing.
Particularly, turn to prism blank and fixture to locate and be fixed on the precise rotating platform of lathe, process to step 2 the ZnSe obtained turn to prism blank and fixture to locate and be fixed on the precise rotating platform of lathe, method for positioning and fixing is as follows: (1) sectional fixture is on precise rotating platform, use inductance instrument centering chucking position, find the relative position relation of fixture polygon and the precise rotating platform centre of gyration; (2) installation turns to prism blank 4 on fixture 3, adjustment turns to prism blank 4 datum level, make it parallel with the diamond cutter 2 main shaft end face on flying disc 1, use inductance instrument to demarcate the position relationship of surperficial allowance and rotating center and turntable pivot; (3) clamping turns to prism, and fixes at fixture and absorption surface edge coating epoxy glue, makes clamping more stable.Completing the turning of diamond fly cutter turns to prism system of processing to set up.
Step 4: design turning machining path, adopts the rough turn each surface of tool sharpening prism.
Particularly, design turning machining path, adopt each surface of rough turn prism, the ZnSe obtained is processed to step 3 and turns to the rough turn first of prism blank, after first machines, rotary work turntable also adjustment turns to second, prism parallel with main shaft end face, processes second, then the like, order completes the turning of whole working face.Remove the surplus 0.09mm that ZnSe turns to prism blank, diamond point of a knife radius of turn 30mm, speed of mainshaft 1500r/min, depth of cut 0.01mm, feed speed 10mm/min.Diamond cutter 2 main shaft direction of rotation D1 and direction of feed D2 in process has been shown in Fig. 4.
Step 5: each surface of precision turning prism.
Particularly, the each surface A of precision turning prism, B, C, D, E, F, the ZnSe obtained is processed to step 4 and turns to prism blank precision turning first, after first machines, rotary work turntable also adjustment turns to second, prism parallel with main shaft end face, process second, then the like, order completes the turning of whole working face.Remove the surplus 0.01mm that ZnSe turns to prism blank, diamond point of a knife radius of turn 30mm, speed of mainshaft 1800r/min, depth of cut 0.003mm, feed speed 3mm/min.
As can be seen from the above embodiments, the present invention adopts and lathe walking mechanism precision can be relied on to replace the intuition of workman to ensure accessory size, angle precision, realize the L-type ZnSe that abrasive polishing method can not process and turn to prism, and can working (machining) efficiency be improved, reducing the number of rejects and seconds rate, is feasible and efficient processing method.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and replacement, these improve and replace and also should be considered as protection scope of the present invention.
Claims (6)
1. L-type ZnSe turns to a processing method for prism, it is characterized in that, comprises the steps:
Step one: turn to prism finish size according to ZnSe, calculates blank initial configuration, and uses abrasive wire sawing machine that plate is cut out initial configuration;
Step 2: grinding blank upper and lower end face, thickness thinning;
Step 3: turn to prism blank and fixture to locate and be fixed on the precise rotating platform of lathe, sets up the turning of diamond fly cutter and turns to prism system of processing;
Step 4: design turning machining path, adopts each surface of rough turn prism;
Step 5: each surface of precision turning prism.
2. a kind of L-type ZnSe according to claim 1 turns to the processing method of prism, it is characterized in that: in described step 2, processing to step one ZnSe obtained turns to prism blank to grind upper and lower end face, adopt metal flat refiner discs to carry out grinding abrasive and adopt 280# diamond dust, remove the thickness surplus that ZnSe turns to prism blank, make ZnSe turn to prism thickness to reach finish size.
3. a kind of L-type ZnSe according to claim 2 turns to the processing method of prism, it is characterized in that: in described step 3, process to step 2 the ZnSe obtained turn to prism blank and fixture to locate and be fixed on the precise rotating platform of lathe, method for positioning and fixing is as follows: (1) sectional fixture, on precise rotating platform, uses inductance instrument centering chucking position; (2) installation turns to prism blank and protection pad, uses inductance instrument to demarcate the position relationship of surperficial allowance and rotating center and turntable pivot; (3) clamping turns to prism, and fixes at fixture and absorption surface edge coating epoxy glue.
4. a kind of L-type ZnSe according to claim 3 turns to the processing method of prism, it is characterized in that: in described step 4, processing to step 3 the ZnSe obtained turns to prism blank to use the rough turn each surface of diamond cutter, after first machines, rotary work turntable is to the angle required, process second, then the like, order completes the turning of whole working face.
5. a kind of L-type ZnSe according to claim 4 turns to the processing method of prism, it is characterized in that: in described step 5, the ZnSe obtained is processed to step 4 and turns to each surface of prism blank precision turning, after first machines, rotary work turntable is to the angle required, process second, then the like, order completes the turning of whole working face.
6. a kind of L-type ZnSe according to claim 5 turns to the processing method of prism, it is characterized in that: in described step 4, the point of a knife radius of turn 30mm of diamond cutter, speed of mainshaft 1500r/min, turning depth of cut 0.01mm, feed speed 10mm/min; In described step 5, diamond point of a knife radius of turn 30mm, speed of mainshaft 1800r/min, depth of cut 0.003mm, feed speed 3mm/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410717237.1A CN104551894A (en) | 2014-12-01 | 2014-12-01 | Processing method of L-shaped ZnSe (zinc selenide) turning prism |
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| CN201410717237.1A CN104551894A (en) | 2014-12-01 | 2014-12-01 | Processing method of L-shaped ZnSe (zinc selenide) turning prism |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629359A (en) * | 2016-01-05 | 2016-06-01 | 西安应用光学研究所 | Manufacturing method for high precision pentagonal prism |
| CN106392821A (en) * | 2016-11-04 | 2017-02-15 | 中国航空工业集团公司北京航空精密机械研究所 | Free curved prism machining method |
| CN108044808A (en) * | 2017-12-08 | 2018-05-18 | 苏州大学 | A kind of fixture for being used to process metal multiaspect scan prism |
| CN109648428A (en) * | 2018-11-07 | 2019-04-19 | 天津津航技术物理研究所 | A kind of high-precision CVD ZnSe Dove prism processing method |
| CN109693147A (en) * | 2019-01-24 | 2019-04-30 | 泉州市友腾光电科技有限公司 | A kind of ZNSE lenses polishing technique |
| CN110842476A (en) * | 2019-11-19 | 2020-02-28 | 中国船舶重工集团公司第七0七研究所 | Method for manufacturing pentahedron reflector applied to high-speed scanning system |
| FR3086194A1 (en) * | 2018-09-25 | 2020-03-27 | Luneau Technology Operations | OPTICAL GLASS MACHINE HAVING AT LEAST ONE CUTTING WIRE, AND METHOD FOR MACHINING AN OPTICAL GLASS THEREOF |
| CN113399747A (en) * | 2021-06-28 | 2021-09-17 | 江苏集萃精凯高端装备技术有限公司 | Regular hexahedron reflector single-point diamond machine tool and machining method thereof |
| CN114749705A (en) * | 2022-03-25 | 2022-07-15 | 广东省天傲精工科技有限责任公司 | Prism surface processing technology and processing device |
| CN117124483A (en) * | 2023-07-13 | 2023-11-28 | 同济大学 | Free-form surface prism high-precision compensation processing method based on online and offline detection |
-
2014
- 2014-12-01 CN CN201410717237.1A patent/CN104551894A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629359B (en) * | 2016-01-05 | 2018-04-03 | 西安应用光学研究所 | A kind of preparation method of high-precision pentaprism |
| CN105629359A (en) * | 2016-01-05 | 2016-06-01 | 西安应用光学研究所 | Manufacturing method for high precision pentagonal prism |
| CN106392821A (en) * | 2016-11-04 | 2017-02-15 | 中国航空工业集团公司北京航空精密机械研究所 | Free curved prism machining method |
| CN106392821B (en) * | 2016-11-04 | 2018-06-19 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of method for processing free-form surface prism |
| CN108044808B (en) * | 2017-12-08 | 2019-06-28 | 苏州大学 | It is a kind of for processing the fixture of metal multi-panel scan prism |
| CN108044808A (en) * | 2017-12-08 | 2018-05-18 | 苏州大学 | A kind of fixture for being used to process metal multiaspect scan prism |
| FR3086194A1 (en) * | 2018-09-25 | 2020-03-27 | Luneau Technology Operations | OPTICAL GLASS MACHINE HAVING AT LEAST ONE CUTTING WIRE, AND METHOD FOR MACHINING AN OPTICAL GLASS THEREOF |
| CN109648428A (en) * | 2018-11-07 | 2019-04-19 | 天津津航技术物理研究所 | A kind of high-precision CVD ZnSe Dove prism processing method |
| CN109648428B (en) * | 2018-11-07 | 2020-04-24 | 天津津航技术物理研究所 | High-precision CVD ZnSe trapezoidal prism processing method |
| CN109693147A (en) * | 2019-01-24 | 2019-04-30 | 泉州市友腾光电科技有限公司 | A kind of ZNSE lenses polishing technique |
| CN110842476A (en) * | 2019-11-19 | 2020-02-28 | 中国船舶重工集团公司第七0七研究所 | Method for manufacturing pentahedron reflector applied to high-speed scanning system |
| CN113399747A (en) * | 2021-06-28 | 2021-09-17 | 江苏集萃精凯高端装备技术有限公司 | Regular hexahedron reflector single-point diamond machine tool and machining method thereof |
| CN114749705A (en) * | 2022-03-25 | 2022-07-15 | 广东省天傲精工科技有限责任公司 | Prism surface processing technology and processing device |
| CN117124483A (en) * | 2023-07-13 | 2023-11-28 | 同济大学 | Free-form surface prism high-precision compensation processing method based on online and offline detection |
| CN117124483B (en) * | 2023-07-13 | 2024-03-08 | 同济大学 | Free-form surface prism high-precision compensation processing method based on online and offline detection |
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Application publication date: 20150429 |