CN108202282A - A kind of efficient quartzy spherical surface Cowling number control processing method - Google Patents
A kind of efficient quartzy spherical surface Cowling number control processing method Download PDFInfo
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- CN108202282A CN108202282A CN201611181557.5A CN201611181557A CN108202282A CN 108202282 A CN108202282 A CN 108202282A CN 201611181557 A CN201611181557 A CN 201611181557A CN 108202282 A CN108202282 A CN 108202282A
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- Prior art keywords
- milling
- spherical surface
- quartzy spherical
- radome fairing
- quartzy
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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
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/0031—Machines having several working posts; Feeding and manipulating devices
Abstract
The invention discloses a kind of efficient quartzy spherical surface Cowling number control processing methods, include the following steps：Step 1：Blanking with inner circle cutting machine to quartz material cutting stock, obtains quartzy spherical surface radome fairing blank；Step 2：It kicks off, kicks off quartzy spherical surface radome fairing blank milling；Step 3：Accurate milling, ultraprecise milling and tarry matter carry out accurate milling, ultraprecise milling and tarry matter respectively to the concave and convex surface of quartzy spherical surface radome fairing；Step 4：Polishing, the quartzy spherical surface radome fairing after being processed to milling polish.The present invention carries out milling and ultraprecise milling to blank before polishing, polishing semifinished product precision is improved by the micro-cutting of grinding wheel or loose abrasive, contour cutting and burnishing effect and reduces its surface roughness, on this basis, the damaging layer generated during milling can effectively be reduced, reduce burnishing surface shape correction amount, polishing efficiency is improved, ultimately forms the satisfactory quartzy spherical surface radome fairing of high-precision, face shape.
Description
Technical field
The invention belongs to optics cold processing technique fields, are related to a kind of efficient quartzy spherical surface radome fairing processing method.
Background technology
Numerical-control milling and grinding polishing is a kind of optics Cold-forming process that can realize Nanoscale Surface roughness and surface figure accuracy,
The technology has been widely used for optical surface manufacture and other Precision Machining fields, especially in terms of optical effect correction,
Have become a kind of way of efficient process.
For efficient quartzy spherical surface radome fairing, it is a completely new means to be processed making based on numerical-control milling and grinding polishing.
Invention content
(1) goal of the invention
The purpose of the present invention is：A kind of efficient quartzy spherical surface radome fairing processing method is provided, is realized to quartzy spherical surface rectification
The highly-efficient processing of cover surface figure accuracy and beauty defects.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of efficient quartzy spherical surface Cowling number control processing method,
Include the following steps：
Step 1：Blanking
With inner circle cutting machine to quartz material cutting stock, quartzy spherical surface radome fairing blank is obtained；
Step 2：It kicks off
It kicks off quartzy spherical surface radome fairing blank milling；
Step 3：Accurate milling, ultraprecise milling and tarry matter
Accurate milling, ultraprecise milling and tarry matter are carried out respectively to the concave and convex surface of quartzy spherical surface radome fairing；
Step 4：Polishing
Quartzy spherical surface radome fairing after being processed to milling polishes.
Wherein, in the step 1, quartzy spherical surface radome fairing blank outer circle stays 0.5~3mm surpluses；Center thickness stays 0.5~
2mm surpluses.
Wherein, in the step 2, granularity is used as D60~D90, the skive or shot of a concentration of C50~C70
Abrasive material is kicked off.
Wherein, in the step 3, granularity is used as D60~D90, the skive or shot of a concentration of C50~C70
Abrasive material carries out quartzy spherical surface radome fairing accurate milling, and milling removal amount is not less than 0.1~0.5mm, traverse feed number for 2~
3 times；
After accurate milling, use granularity whole to quartzy spherical surface for the skive of D30~D50, a concentration of C30~C50
Cover ultraprecise milling is flowed, milling removal amount is not less than 0.02~0.05mm, and traverse feed number is 1~2 time；
After ultraprecise milling, granularity is used as D15~D30, the skive of a concentration of C25~C30, to quartzy spherical surface
Cowling surface carries out tarry matter, and tarry matter number is 1~3 time.
Wherein, in the step 4, in polishing process, single side removal amount is 0.01~0.02mm, polishes 5~10min.
Wherein, in the step 3, accurate milling, ultraprecise milling and tarry matter are carried out using numerical control mill grinding machine；The step
In rapid four, it is polished using numerical control polishing.
(3) advantageous effect
The efficient quartzy spherical surface Cowling number control processing method that above-mentioned technical proposal is provided, before polishing to blank into
Row milling and ultraprecise milling improve polishing by the micro-cutting of grinding wheel or loose abrasive, contour cutting and burnishing effect
Semifinished product precision simultaneously reduces its surface roughness, on this basis, can effectively reduce the damaging layer generated during milling, reduce polishing
Face shape correction amount improves polishing efficiency, ultimately forms the satisfactory quartzy spherical surface radome fairing of high-precision, face shape.
Description of the drawings
Fig. 1 is the quartzy spherical surface Cowling number control processing process schematic diagram of the present invention.
Fig. 2 is the quartzy spherical surface radome fairing processing and implementation illustration of the present invention.
Specific embodiment
To make the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to the tool of the present invention
Body embodiment is described in further detail.
Under normal circumstances, quartzy spherical surface radome fairing is meniscus shaped, and comprising convex surface, concave surface and technique platform, of the invention adds
Work method is suitable for the processing on radome fairing convex surface, concave surface and technique platform, and the spherical surface radome fairing of other shapes also can refer to this hair
Bright method processing.
Efficiently quartzy spherical surface radome fairing processing method of the invention carries out quartzy spherical surface radome fairing using milling mode accurate
With ultraprecise milling, fast polishing is carried out to it using polishing mode, which mainly includes：Accurate milling
Mill, ultraprecise milling and polishing.The method have the advantages that carrying out accurate milling and ultraprecise milling to blank before polishing, pass through
The micro-cutting of grinding wheel, contour cutting and burnishing effect improve polishing semifinished product precision and reduce its surface roughness, in this base
It on plinth, can effectively reduce the damaging layer generated during milling, reduce burnishing surface shape correction amount, improve polishing efficiency.
In the following, in conjunction with the accompanying drawings and embodiments to the present invention relates to a kind of efficient quartzy spherical surface Cowling number control processing side
Method is described, and processing process figure is shown in Fig. 1, and processing part schematic diagram is shown in Fig. 2.
Processing technology of the present invention carries out in accordance with the following steps：
The first step：Blanking；
Second step：Accurate milling and ultraprecise milling；
Third walks：Polishing.
In the first step, with inner circle cutting machine to quartz material cutting stock, quartzy spherical surface radome fairing blank is obtained, outside blank
There are 0.5~3mm surpluses for circle；There are 0.5~2mm surpluses for center thickness.
In second step, including following four sub-step：
It kicks off：
It is D60~D90, the skive of a concentration of C50~C70 or loose abrasive to quartzy spherical surface rectification to use granularity
Cover blank milling is kicked off；
Accurate milling：
After kicking off, it is D60~D90, the skive of a concentration of C50~C70 or loose abrasive to quartz to use granularity
Spherical surface radome fairing carries out accurate milling, and milling removal amount is not less than 0.1~0.5mm, and traverse feed number is 2~3 times；
Ultraprecise milling：
Use granularity for D30~D50, a concentration of C30~C50 skive to quartzy spherical surface radome fairing ultraprecise milling
Mill, milling removal amount are not less than 0.02~0.05mm, and traverse feed number is 1~2 time；
Tarry matter：
After ultraprecise milling, granularity is used as D15~D30, the skive of a concentration of C25~C30, to quartzy spherical surface
Cowling surface carries out tarry matter, and tarry matter number is 1~3 time.
In accurate milling and ultraprecise milling process, concave surface, concave surface positioning surface and outer circle are once loaded milling；Convex surface milling
With on the basis of outer circle and concave surface positioning surface, be ground during ultraprecise milling according to above-mentioned grinding wheel parameter.
Wherein, accurate milling, ultraprecise milling and tarry matter operate twice respectively, for adding respectively to concave and convex surface
Work.
In third step, quartzy spherical surface radome fairing is polished with numerical control polishing, under normal circumstances, single side removal amount is 0.01
~0.02mm, 5~10min of polishing can reach the requirement of the technologies such as face shape and beauty defects.
In above-mentioned second step, numerical control mill grinding machine can also be used and carry out milling operation.
According to the method for the present invention, for quartzy spherical surface radome fairing, it is preferred to use numerical control mill grinding machine and different grain size and concentration
Grinding wheel milling and ultraprecise milling are carried out to it, it is polished using numerical control polishing.
Above-mentioned technical process is specifically described with specific example below.
Embodiment
Process a kind of quartzy spherical surface radome fairing as shown in Figure 2, material：Optical quartz glass, diameter of phi 1=70mm are recessed
Face effective aperture Φ 2=65mm, center thickness δ=5 ± 0.05mm, crowning radius RIt is convex=95mm, concave RIt is recessed=89mm, table
Face defect B=IV, aperture N=2, local aperture Δ N=0.5.
1st step：Blanking；
With inner circle cutting machine quartz material cutting stock, quartzy spherical surface radome fairing blank is obtained, blank outside diameter Φ=
72mm, center thickness δ=6mm.
2nd step：It kicks off
Grinding wheel graininess is used to kick off for the skive of D70, a concentration of C60 quartzy spherical surface radome fairing blank.
3rd step：Milling concave surface；
Grinding wheel graininess is used as D70, the skive milling R of a concentration of C60It is recessed=89mm spherical surfaces, concave planar and outer
Circle, traverse feed number are 2 times, single removal amount 0.2mm.
4th step：Ultraprecise milling concave surface；
Use grinding wheel graininess for D35, a concentration of C35 skive to its ultraprecise milling, traverse feed number is 2
Secondary, single removal amount is 0.03mm.
5th step：Tarry matter concave surface；
Use grinding wheel graininess for D20, a concentration of C30 skive to its tarry matter 1 time.
6th step：Milling convex surface；
Repeat the 2nd step milling convex surface.
7th step：Ultraprecise milling convex surface；
Repeat the 3rd step ultraprecise milling convex surface.
8th step：Tarry matter convex surface；
Repeat the 4th step tarry matter convex surface.
9th step：Polishing.
It is polished using numerical control polishing, single-sided polishing 7min has reached beauty defects B=IV, aperture N=2, part
The technology requirement of aperture Δ N=0.5.
In above-described embodiment, a kind of efficient quartzy spherical surface Cowling number control processing method using the present invention, it is to pass through
The following reaches the technical indicators such as surface figure accuracy, beauty defects：
(1) pass through the 3rd step and the 6th step：Accurate milling.Granularity is used to pass through for D70, the skive of a concentration of C60
It is fine to correct, make abrasive grain that there is micro- sword, improve grinding efficiency.
(2) pass through the 4th step and the 7th step：Ultraprecise milling.Grinding wheel graininess is used as D35, the boart boart of a concentration of C35
Wheel, by the contour shear action of micro- sword, milling surface roughness is up to 0.17 μm.
(3) pass through the 5th step and the 8th step：Tarry matter.Grinding wheel graininess is used to pass through for D20, the skive of a concentration of C30
It rubs, polishing action, and for tarry matter surface roughness up to 0.08 μm, follow-up single-sided polishing 7min has reached beauty defects B=IV, light
Enclose N=2, the technology requirement of local aperture Δ N=0.5.
According to a kind of above-mentioned efficient quartzy spherical surface Cowling number control processing method, prepared meet technology in embodiment will
The spherical surface quartz ball cover asked.
The present invention has following distinguishing feature it can be seen from above-mentioned technical proposal：
(1) milling is carried out to polishing blank.Using the grinding wheel that granularity, concentration are larger, by finely modifying, pass through abrasive grain
Sharp keen, half passivation, has micro- sword, improves grinding efficiency.
(2) ultraprecise milling is carried out to polishing blank.Using granularity, the smaller grinding wheel of concentration, by finely modifying, make micro-
Cutlery has contour shear action, the damaging layer for improve machining accuracy, reducing surface roughness and being generated when reducing milling.
(3) tarry matter is carried out to polishing blank.With the increase of grinding time, abrasive grain changes by micro- sword and contour
Kind, shear action weakens, and friction, polishing action enhancing, Part Surface Roughness are further improved, and polishing removal amount subtracts
It is few, die face deformation cycle stretch-out is polished, processing efficiency improves.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of efficient quartzy spherical surface Cowling number control processing method, which is characterized in that include the following steps：
Step 1：Blanking
With inner circle cutting machine to quartz material cutting stock, quartzy spherical surface radome fairing blank is obtained；
Step 2：It kicks off
It kicks off quartzy spherical surface radome fairing blank milling；
Step 3：Accurate milling, ultraprecise milling and tarry matter
Accurate milling, ultraprecise milling and tarry matter are carried out respectively to the concave and convex surface of quartzy spherical surface radome fairing；
Step 4：Polishing
Quartzy spherical surface radome fairing after being processed to milling polishes.
2. efficiently quartzy spherical surface Cowling number control processing method as described in claim 1, which is characterized in that the step 1
In, quartzy spherical surface radome fairing blank outer circle stays 0.5~3mm surpluses；Center thickness stays 0.5~2mm surpluses.
3. efficiently quartzy spherical surface Cowling number control processing method as claimed in claim 2, which is characterized in that the step 2
In, granularity is used to kick off for D60~D90, the skive of a concentration of C50~C70 or loose abrasive.
4. efficiently quartzy spherical surface Cowling number control processing method as claimed in claim 3, which is characterized in that the step 3
In, use granularity for D60~D90, the skive of a concentration of C50~C70 or loose abrasive to quartzy spherical surface radome fairing into
Row precision milling, milling removal amount are not less than 0.1~0.5mm, and traverse feed number is 2~3 times；
After accurate milling, use granularity for D30~D50, a concentration of C30~C50 skive to quartzy spherical surface radome fairing
Ultraprecise milling, milling removal amount are not less than 0.02~0.05mm, and traverse feed number is 1~2 time；
After ultraprecise milling, granularity is used as D15~D30, the skive of a concentration of C25~C30, to quartzy spherical surface rectification
It covers surface and carries out tarry matter, tarry matter number is 1~3 time.
5. the efficient quartzy spherical surface Cowling number control processing method as described in any one of claim 1-4, which is characterized in that institute
It states in step 4, in polishing process, single side removal amount is 0.01~0.02mm, polishes 5~10min.
6. efficiently quartzy spherical surface Cowling number control processing method as claimed in claim 5, which is characterized in that the step 3
In, accurate milling, ultraprecise milling and tarry matter are carried out using numerical control mill grinding machine；In the step 4, using numerical control polishing into
Row polishing.
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| CN201611181557.5A CN108202282A (en) | 2016-12-20 | 2016-12-20 | A kind of efficient quartzy spherical surface Cowling number control processing method |
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| CN201611181557.5A CN108202282A (en) | 2016-12-20 | 2016-12-20 | A kind of efficient quartzy spherical surface Cowling number control processing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890522A (en) * | 2020-07-24 | 2020-11-06 | 中国科学院上海光学精密机械研究所 | Method for processing spherical cover optical element |
| CN113814798A (en) * | 2021-08-06 | 2021-12-21 | 南阳利达光电有限公司 | Machining method for large-caliber equal-thickness spherical cover |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1174110A (en) * | 1997-08-14 | 1998-02-25 | 长春光学精密机械学院 | Trace forming process and equipment for spherical parts |
| EP0916453A2 (en) * | 1997-11-13 | 1999-05-19 | HILTI Aktiengesellschaft | Dust extracting device for hand tool |
| CN101817683A (en) * | 2010-03-30 | 2010-09-01 | 武汉理工大学 | Method for preparing MgAlON transparent ceramic in pressureless sintering way |
| CN102744666A (en) * | 2012-07-03 | 2012-10-24 | 上海交通大学 | Numerical control accurate grinding device and grinding method for seal ring internal spherical surface |
| CN103817563A (en) * | 2014-03-18 | 2014-05-28 | 哈尔滨工业大学 | Ultrasonic vibration auxiliary polishing device for super-hard material micro-structure surface and using method of ultrasonic vibration auxiliary polishing device |
| CN105598749A (en) * | 2015-11-09 | 2016-05-25 | 长春博启光学玻璃制造有限公司 | Machining method and machining equipment for full-equal-thickness hemispheric and super-hemispheric sapphire fairing |
-
2016
- 2016-12-20 CN CN201611181557.5A patent/CN108202282A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1174110A (en) * | 1997-08-14 | 1998-02-25 | 长春光学精密机械学院 | Trace forming process and equipment for spherical parts |
| EP0916453A2 (en) * | 1997-11-13 | 1999-05-19 | HILTI Aktiengesellschaft | Dust extracting device for hand tool |
| CN101817683A (en) * | 2010-03-30 | 2010-09-01 | 武汉理工大学 | Method for preparing MgAlON transparent ceramic in pressureless sintering way |
| CN102744666A (en) * | 2012-07-03 | 2012-10-24 | 上海交通大学 | Numerical control accurate grinding device and grinding method for seal ring internal spherical surface |
| CN103817563A (en) * | 2014-03-18 | 2014-05-28 | 哈尔滨工业大学 | Ultrasonic vibration auxiliary polishing device for super-hard material micro-structure surface and using method of ultrasonic vibration auxiliary polishing device |
| CN105598749A (en) * | 2015-11-09 | 2016-05-25 | 长春博启光学玻璃制造有限公司 | Machining method and machining equipment for full-equal-thickness hemispheric and super-hemispheric sapphire fairing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890522A (en) * | 2020-07-24 | 2020-11-06 | 中国科学院上海光学精密机械研究所 | Method for processing spherical cover optical element |
| CN111890522B (en) * | 2020-07-24 | 2022-04-05 | 中国科学院上海光学精密机械研究所 | Method for processing spherical cover optical element |
| CN113814798A (en) * | 2021-08-06 | 2021-12-21 | 南阳利达光电有限公司 | Machining method for large-caliber equal-thickness spherical cover |
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Application publication date: 20180626 |