CN103752924A - One-axis stepping and three-axis linkage space curved surface milling method - Google Patents
One-axis stepping and three-axis linkage space curved surface milling method Download PDFInfo
- Publication number
- CN103752924A CN103752924A CN201410021169.5A CN201410021169A CN103752924A CN 103752924 A CN103752924 A CN 103752924A CN 201410021169 A CN201410021169 A CN 201410021169A CN 103752924 A CN103752924 A CN 103752924A
- Authority
- CN
- China
- Prior art keywords
- curved surface
- axis
- space curved
- cutter
- milling
- 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.)
- Pending
Links
Images
Landscapes
- Milling Processes (AREA)
Abstract
The invention discloses a one-axis stepping and three-axis linkage space curved surface milling method. The method comprises the following steps: a spherical milling cutter of which a working spherical surface is distributed with cutting blades is fixed on a milling machine spindle; a three-claw chuck is fixed on a horizontal work bench capable of carrying out horizontal interpolation motion along an X axis and a Y axis; a work-piece of which the section is round is fixed on the three-claw chuck, and can rotate around a central line of the work-piece; interpolation motion is carried out to drive the work-piece in the X-axis direction and fixed after stepping of an interval of 0.01-10mm when the work-piece is milled; the spherical milling cutter carries out interpolation motion of the Y axis and the Z axis and rotary interpolation motion along the track of the cutter and cuts the work-piece along the track curve of a two-dimensional knife; the offset angle alpha formed by a normal direction on a cutting point of the space curved surface and the rotation axis of the spherical milling cutter is adjusted to be an acute angle. By adopting the one-axis stepping and three-axis linkage space curved surface milling method, the fairness of the processed space curved surface can be improved, and a shape error and the surface roughness of the processed space curved surface are reduced.
Description
Technical field
The present invention relates to a kind of milling method, particularly relate to a kind of space curved surface milling method of an axle stepping three-shaft linkage, belong to the high accuracy of parts and the manufacturing technology field of great surface quality.
Background technology
Artificial joint prosthesis, engine crankshaft, aviation flight body parts adopt complicated space arbitrary surface mostly, and still, the form accuracy of its processing and surface quality directly have influence on service behaviour.The manufacture methods such as the sintering that space curved surface parts adopt conventionally, casting, forging, still, form accuracy and surface quality still need follow-up machining.Because space curved surface more complicated, the very difficult control in the attitude of machining tool and the position of curve surface of workpiece, particularly in the place of the different curvature of the space curved surface of workpiece, its form accuracy and surface quality be can be because of the working condition at the point of contact of processing different can there is the not factor quietly such as different removal amounts and different cutting speed.At present, mainly consider the Acceleration-deceleration Control Method of milling cutter, seldom relate to the control technology of the cutting situation at point of contact.
Summary of the invention
In order to overcome the above-mentioned shortcoming and deficiency of prior art, the object of the invention is to create a kind of space curved surface milling method of an axle stepping three-shaft linkage.
Object of the present invention is achieved through the following technical solutions:
A kind of space curved surface method for milling of an axle stepping three-shaft linkage: the ball cutter that is distributed with cutting edge on work sphere is fixed on milling machine spindle, milling machine axial line is perpendicular to horizontal plane, milling machine can be made upper and lower moving interpolation along Z axis, scroll chuck is fixed on and can does on horizontal moving interpolation horizontal table along X-axis and Y-axis, table plane is XY plane, it is circular workpiece that scroll chuck is installed cross section, and workpiece can rotate around work centre line;
According to the node analysis of the work sphere of ball cutter and the space curved surface of workpiece to radiuscope calculate the serial coordinate at ball cutter center, serial coordinate fitting is become to the track curved surface in space, done again the YZ cross section of 0.01mm～10mm spacing, its cross section profile is two-dimentional cutter geometric locus, ball cutter is centered close on cutter geometric locus, and the work sphere of milling cutter is just tangent with the space curved surface of workpiece, when workpiece is carried out to milling, X-direction is carried out moving interpolation and is driven workpiece, fixing after the stepping of 0.01mm～10mm spacing, ball cutter carries out Y-axis along cutter track, the moving interpolation of Z axis and Angular Interpolations rotate, ball cutter cuts workpiece along two-dimentional cutter geometric locus with feed speed f=100～1500mm/min, the offset angle α that normal direction on the cutting point of adjustment space curved surface becomes with the shaft center line of ball cutter is acute angle, after processing one section of annular space curved surface, ball cutter is along X axis stepping 0.01mm～10mm spacing, reprocess next annular space curved surface, the final space curved surface that forms fairing.
For further realizing the object of the invention, preferably, the rotating speed that described ball cutter adds man-hour is 800～20000rpm.The material of described ball cutter is carbide alloy, cBN or PCD.The angle that described Angular Interpolations rotates is 0.1 °～5 °.Described workpiece material is aluminium alloy, titanium alloy, stainless steel or mould steel.Described ball cutter cutting edge radius is 0.5～50mm.Described offset angle α is greater than 30 degree and is less than 80 degree.
Compared with prior art, tool has the following advantages and beneficial effect in the present invention:
(1) method for milling of the axle stepping three-shaft linkage that this invention adopts is compared with four-axle linked traditional method for milling, has reduced the kinematic error of an axle, can improve form accuracy and the surface quality of processing.
(2) this invention utilizes the space milling cutter attitude angle at the three-shaft linkage controlled working point of contact on two-dimensional section, and control program is write simply, can control in real time the working condition of the processing stand of complex space curved surfaces.
(3) this invention can regulate the high-efficiency and continuous machining of axle stepping spacing implementation space curved surface parts, and in process, no-idle running, nothing are along upmilling conversion, and stock-removing efficiency is high, surface quality is stable.
Accompanying drawing explanation
Fig. 1 is the cutter path planning schematic diagram of ball cutter of the present invention.
The workpiece space curved surface of Fig. 2 processing use of the present invention.
Fig. 3 be ball cutter after X-axis stepping on YZ cross section along cutter track walking schematic diagram.
The specific embodiment
For better understanding the present invention, below in conjunction with drawings and Examples, the present invention is described further, but the scope of protection of present invention is not limited to the scope that embodiment represents.
As Figure 1-3, a kind of space curved surface method for milling of an axle stepping three-shaft linkage: the ball cutter 1 that is distributed with cutting edge on work sphere is fixed on milling machine spindle, milling machine axial line 2 is perpendicular to horizontal plane, can make upper and lower moving interpolation along Z axis, scroll chuck is fixed on (XY plane) on horizontal table, horizontal table can be made horizontal moving interpolation along X-axis and Y-axis, it is circular workpiece 3 that scroll chuck is installed cross section, can carry out interpolation rotation (Angular Interpolations) around work centre line 4, this turning cylinder is A axle.
According to the node analysis of the work sphere 6 of ball cutter 1 and the space curved surface of workpiece 3 to radiuscope calculate the serial coordinate at ball cutter center 5, serial coordinate fitting is become to the track curved surface in space, done again the YZ cross section of 0.01mm～10mm spacing, its cross section profile is two-dimentional cutter geometric locus 7, as long as ball cutter is centered close on cutter geometric locus 7, the work sphere 6 of milling cutter is just tangent with the space curved surface of workpiece 3, can guarantee like this tram of space curved surface processing stand.When workpiece is carried out to milling, X-direction is carried out moving interpolation and is driven workpiece 3, fixing after the stepping of 0.01mm～10mm spacing, then the ball cutter that rotating speed is N carries out the moving interpolation of Y-axis and Z axis and the interpolation of A axle rotation along cutter track 7, form three-shaft linkage, utilize the ball cutter 1 of rotational speed N to cut along 7 pairs of workpiece 3 of cutter track with feed speed f, the offset angle α that normal direction on the cutting point of adjustment space curved surface becomes with the shaft center line of ball cutter is acute angle, namely by processing node analysis to and the attitude angle of 2 formation of milling cutter axial line maintain acute angle, be preferably 5～85 degree.When Angular Interpolations is after one week, process one section of annular space curved surface, ball cutter 1 is along X axis stepping 0.01mm～10mm spacing, with the same manner, reprocess next annular space curved surface, when adjacent two space curved surfaces that encircle are when the envelope mark height maximum of X-direction is no more than 20 μ m, finally form the space curved surface of fairing.Workpiece material is the materials such as aluminium alloy, titanium alloy, stainless steel, mould steel, and the material of ball cutter is carbide alloy, cBN and PCD.Ball cutter cutting edge radius is 0.5～50mm, its rotational speed N=800～20000rpm, feed speed f=100～1500mm/min, the depth of cut 0.1～5mm, 0.1 °～5 ° of the Angular Interpolations angles of A axle, offset angle α is greater than 30 degree and is less than 80 degree, and the stepping spacing of X-direction is 0.01～10mm.
Embodiment 1
Adopt 4 axle machining centers (VMC850L), main shaft is Z axis, moving interpolation up and down, and workbench can X-axis and the horizontal moving interpolation of Y-axis, and A axle protractor is arranged on workbench, and the axial line of A axle overlaps with X-axis, can do interpolation rotation.The ball cutter 1 of radius 4mm is arranged on milling machine axial line 2, material of cutting-tool SMG wolfram steel, Al-Ti-N coating, workpiece 3(artificial hip prosthesis handle) be 7075 aluminium-zinc-magnesium-copper series high strength aluminium alloy, hardness HRC55, long 420mm, diameter 100mm, is arranged on A axle protractor, and the center line of workpiece 3 overlaps with the axial line of A axle, the space curved surface of processing is designed to the threedimensional model of artificial hip prosthesis's handle, as shown in Figure 1.First along Z-direction, with 4 minutes upper and lower two curvature portions of work centre line, carry out roughing, each axial feed amount is 1.2mm.In space curved surface processing, the rotational speed N=3500rpm of ball cutter, feed speed f=200mm/min, each axial feed amount is a
p=0.3mm, the Angular Interpolations angle of A axle is 0.5 degree, the interpolation feeding step pitch of X-axis is 0.2mm, first determine stepping position, it is fixing to be that X-axis moves on certain position, then carry out the interlock that interpolation that X-axis and Y-axis make moving interpolation and A axle is rotated, change ball cutter centre of sphere offset or dish l, making offset angle α is 5 degree, the central point of controlling ball cutter moves up and down along Z-direction, the acute angle that normal direction on the cutting point of assurance space curved surface becomes with the shaft center line of ball cutter is at 5～50 degree, A axle is rotated in the forward feeding, Angular Interpolations angle is 1 degree, as shown in Figure 2, finally process an annular surface profile.After A axle rotates a circle, carry out same work, on the cutter track profile in next X-axis cross section, move, finally complete Milling Process.Testing result shows, the space curved surface processing fairing of the aluminium alloy of processing, the prosthesis handle space curved surface form error average out to 150 μ m of processing, for 1.3% of the average-size of prosthesis handle, the acute angle that normal direction on cutting point becomes with the axial line of ball cutter is greater than 30 while spending, and space curved surface form error can be less than 140 μ m; The roughness R of finished surface
abe 0.2～0.5 μ m, the acute angle that the normal direction on cutting point becomes with the axial line of ball cutter is 20～50 while spending, R
afor reaching 0.24 μ m left and right.
Adopt 4 axle machining centers (HASS VF-2), main shaft Z axis is moving interpolation up and down, and workbench can X-axis and the horizontal moving interpolation of Y-axis, and A axle protractor is arranged on workbench, and the axial line of A axle overlaps with X-axis, can do interpolation rotation.The ball cutter of radius 5mm is arranged on main shaft 2, material of cutting-tool cBN, workpiece 3(artificial hip prosthesis handle) be SKD11 mould steel, hardness HRC55, long 420mm, diameter 100mm, be arranged on A axle protractor, its center line overlaps with the axial line of A axle, and the space curved surface of processing is designed to the threedimensional model of artificial hip prosthesis's handle, as shown in Figure 1.First along Z-direction, with 4 minutes upper and lower two curvature portions of work centre line, carry out roughing, each axial feed amount is a
p=0.5mm.In space curved surface processing, the rotational speed N=3500rpm of ball cutter, feed speed f=50mm/min, each axial feed amount a
p=be 0.05mm, the Angular Interpolations angle of A axle is 0.5 degree, the interpolation feeding step pitch of X-axis is 0.2mm, first determine stepping position, it is fixing to be that X-axis moves on certain position, the central point of control ball cutter is made all the time 2 maintenance and operations of YZ axle and is moved on the cutter track profile in X-axis cross section, ball cutter centre of sphere offset or dish l constantly changes, the acute angle that normal direction on the cutting point of assurance space curved surface becomes with the shaft center line of ball cutter is 15 degree, A axle is rotated in the forward feeding, Angular Interpolations angle is 1 degree, as shown in Figure 2, finally processes an annular surface profile.After A axle rotates a circle, carry out same work, on the cutter track profile in next X-axis cross section, move, finally complete Milling Process.Testing result shows, the space curved surface processing fairing of the SDK11 mould steel of processing.
Adopt 4 axle machining centers (HASS VF-2), main shaft Z axis is moving interpolation up and down, and workbench can X-axis and the horizontal moving interpolation of Y-axis, and A axle protractor is arranged on workbench, and the axial line of A axle overlaps with X-axis, can do interpolation rotation.The ball cutter of radius 3mm is arranged on main shaft 2, material of cutting-tool PCD, workpiece 3(artificial hip prosthesis handle) be titanium alloy, long 380mm, diameter 100mm, is arranged on A axle protractor, and its center line overlaps with the axial line of A axle, the space curved surface of processing is designed to the threedimensional model of artificial hip prosthesis's handle, as shown in Figure 1.First along Z-direction, with 4 minutes upper and lower two curvature portions of work centre line, carry out roughing, each axial feed amount a
p=be 0.8mm.In space curved surface processing, the rotating speed 2800rpm of ball cutter, feed speed 90mm/min, each axial feed amount a
p=be 0.1mm, the Angular Interpolations angle of A axle is 0.5 degree, the interpolation feeding step pitch of X-axis is 0.2mm, first determine stepping position, it is fixing to be that X-axis moves on certain position, the central point of control ball cutter is made all the time 2 maintenance and operations of YZ axle and is moved on the cutter track profile in X-axis cross section, ball cutter centre of sphere offset or dish l constantly changes, the acute angle that normal direction on the cutting point of assurance space curved surface becomes with the shaft center line of ball cutter is 15 degree, A axle is rotated in the forward feeding, Angular Interpolations angle is 1 degree, as shown in Figure 2, finally processes an annular surface profile.After A axle rotates a circle, carry out same work, on the cutter track profile in next X-axis cross section, move, finally complete Milling Process.Testing result shows, the space curved surface processing fairing of the titanium alloy of processing (β titanium alloy).
Claims (7)
1. the space curved surface method for milling of an axle stepping three-shaft linkage, it is characterized in that: the ball cutter that is distributed with cutting edge on work sphere is fixed on milling machine spindle, milling machine axial line is perpendicular to horizontal plane, milling machine can be made upper and lower moving interpolation along Z axis, scroll chuck is fixed on and can does on horizontal moving interpolation horizontal table along X-axis and Y-axis, table plane is XY plane, and it is circular workpiece that scroll chuck is installed cross section, and workpiece can rotate around work centre line;
According to the node analysis of the work sphere of ball cutter and the space curved surface of workpiece to radiuscope calculate the serial coordinate at ball cutter center, serial coordinate fitting is become to the track curved surface in space, done again the YZ cross section of 0.01mm～10mm spacing, its cross section profile is two-dimentional cutter geometric locus, ball cutter is centered close on cutter geometric locus, and the work sphere of milling cutter is just tangent with the space curved surface of workpiece, when workpiece is carried out to milling, X-direction is carried out moving interpolation and is driven workpiece, fixing after the stepping of 0.01mm～10mm spacing, ball cutter carries out Y-axis along cutter track, the moving interpolation of Z axis and Angular Interpolations rotate, ball cutter cuts workpiece along two-dimentional cutter geometric locus with feed speed f=100～1500mm/min, the offset angle α that normal direction on the cutting point of adjustment space curved surface becomes with the shaft center line of ball cutter is acute angle, after processing one section of annular space curved surface, ball cutter is along X axis stepping 0.01mm～10mm spacing, reprocess next annular space curved surface, the final space curved surface that forms fairing.
2. the space curved surface method for milling of an axle stepping three-shaft linkage according to claim 1, is characterized in that: the rotating speed that described ball cutter adds man-hour is 800～20000rpm.
3. the space curved surface method for milling of an axle stepping three-shaft linkage according to claim 1, is characterized in that: the material of described ball cutter is carbide alloy, cBN or PCD.
4. the space curved surface method for milling of an axle stepping three-shaft linkage according to claim 1, is characterized in that: the angle that described Angular Interpolations rotates is 0.1 °～5 °.
5. the space curved surface method for milling of an axle stepping three-shaft linkage according to claim 1, is characterized in that: described workpiece material is aluminium alloy, titanium alloy, stainless steel or mould steel.
6. the space curved surface method for milling of an axle stepping three-shaft linkage according to claim 1, is characterized in that: described ball cutter cutting edge radius is 0.5～50mm.
7. the space curved surface method for milling of an axle stepping three-shaft linkage according to claim 1, is characterized in that: described offset angle α is greater than 30 degree and is less than 80 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021169.5A CN103752924A (en) | 2014-01-16 | 2014-01-16 | One-axis stepping and three-axis linkage space curved surface milling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021169.5A CN103752924A (en) | 2014-01-16 | 2014-01-16 | One-axis stepping and three-axis linkage space curved surface milling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103752924A true CN103752924A (en) | 2014-04-30 |
Family
ID=50520327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410021169.5A Pending CN103752924A (en) | 2014-01-16 | 2014-01-16 | One-axis stepping and three-axis linkage space curved surface milling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103752924A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104551341A (en) * | 2014-11-25 | 2015-04-29 | 苏州谷夫道自动化科技有限公司 | Numerical control ring welding machine and interpolation control method thereof |
| CN105033339A (en) * | 2015-07-01 | 2015-11-11 | 桐乡市凯盛精密机械有限公司 | Ball groove milling method of auto air-condition compressor |
| CN106180835A (en) * | 2016-08-05 | 2016-12-07 | 深圳市欣天科技股份有限公司 | A kind of processing method of Complex Different Shape axle |
| CN106272072A (en) * | 2016-08-29 | 2017-01-04 | 佛山市新鹏机器人技术有限公司 | The polishing location point assay method of toilet articles and device |
| CN109849545A (en) * | 2018-12-18 | 2019-06-07 | 上海维宏电子科技股份有限公司 | Numerical control thermal transfer processing method |
| CN113547156A (en) * | 2021-07-28 | 2021-10-26 | 云南昆船机械制造有限公司 | Three-dimensional special-shaped reducing turbine shaft conical surface body turning and milling composite precise mirror surface machining method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3913294A1 (en) * | 1989-04-22 | 1990-10-25 | Karl Burgsmueller Gmbh & Co Kg | Accurate milling of cam profile - involves third axis feed movement to compensate for parallelism error |
| CN101041224A (en) * | 2006-12-31 | 2007-09-26 | 西安工业大学 | Method and device of processing the contacting surface of the digital controlled lines |
-
2014
- 2014-01-16 CN CN201410021169.5A patent/CN103752924A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3913294A1 (en) * | 1989-04-22 | 1990-10-25 | Karl Burgsmueller Gmbh & Co Kg | Accurate milling of cam profile - involves third axis feed movement to compensate for parallelism error |
| CN101041224A (en) * | 2006-12-31 | 2007-09-26 | 西安工业大学 | Method and device of processing the contacting surface of the digital controlled lines |
Non-Patent Citations (3)
| Title |
|---|
| 张峰: "髋关节假体柄的四轴精密铣削的研究", 《中国优秀硕士学位论文全文数据库》, 30 June 2013 (2013-06-30), pages 022 - 226 * |
| 谢晋: "复杂自由曲面曲率分布特征对数控铣削性能的影响", 《机械工程学报》, vol. 45, no. 11, 30 November 2009 (2009-11-30) * |
| 谢玉书: "自由曲面的数控铣削加工研究", 《CAD/CAM与制造业信息化》, 30 November 2006 (2006-11-30) * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104551341A (en) * | 2014-11-25 | 2015-04-29 | 苏州谷夫道自动化科技有限公司 | Numerical control ring welding machine and interpolation control method thereof |
| CN104551341B (en) * | 2014-11-25 | 2019-10-29 | 苏州谷夫道自动化科技有限公司 | Numerical control ring welder and its interpolation control method |
| CN105033339A (en) * | 2015-07-01 | 2015-11-11 | 桐乡市凯盛精密机械有限公司 | Ball groove milling method of auto air-condition compressor |
| CN106180835A (en) * | 2016-08-05 | 2016-12-07 | 深圳市欣天科技股份有限公司 | A kind of processing method of Complex Different Shape axle |
| CN106272072A (en) * | 2016-08-29 | 2017-01-04 | 佛山市新鹏机器人技术有限公司 | The polishing location point assay method of toilet articles and device |
| CN106272072B (en) * | 2016-08-29 | 2019-05-31 | 佛山市新鹏机器人技术有限公司 | The polishing position point measuring method and device of toilet articles |
| CN109849545A (en) * | 2018-12-18 | 2019-06-07 | 上海维宏电子科技股份有限公司 | Numerical control thermal transfer processing method |
| CN109849545B (en) * | 2018-12-18 | 2021-05-18 | 上海维宏电子科技股份有限公司 | Numerical control heat transfer printing processing method |
| CN113547156A (en) * | 2021-07-28 | 2021-10-26 | 云南昆船机械制造有限公司 | Three-dimensional special-shaped reducing turbine shaft conical surface body turning and milling composite precise mirror surface machining method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103752924A (en) | One-axis stepping and three-axis linkage space curved surface milling method | |
| CN103537743B (en) | The method of multiaxis Surface NC Machining complex curved surface parts | |
| CN106873522B (en) | A kind of numerical control turning cutter path planing method of non-axis symmetry sweeping surface | |
| US20120148985A1 (en) | Method for Machining a Dental Prosthesis | |
| CN111008441A (en) | Grinding track solving method for end tooth straight-line type rear cutter face of integral flat-end mill | |
| US20100062690A1 (en) | Method of grinding an indexable insert and grinding wheel for carrying out the grinding method | |
| CN106312158A (en) | Chute machining method for inner wall face of case of aero-engine | |
| CN113547156B (en) | Three-dimensional special-shaped reducing turbine shaft conical surface body turning and milling composite precise mirror surface machining method | |
| CN105269052A (en) | Method for machining precision camshaft | |
| CN106378478B (en) | A kind of micro- milling method of rule pyramid micro-structure | |
| CN109129031B (en) | Grinding wheel path generation method for low-speed servo grinding of free-form surface | |
| CN105397162B (en) | Titanium alloy material high accuracy complex surface machining method | |
| CN101866164A (en) | Enveloping sphere curved surface numerical control processing method | |
| CN113369551A (en) | End mill and double-curved-surface milling method for wing surface of rotating shaft beam based on end mill | |
| CN106270680A (en) | The processing method of profile of tooth seamed edge rounded corner inside a kind of duplex rack rails wheel | |
| CN103769960B (en) | A kind of manufacture method with the ball cutter of micro-cutting sword array structure | |
| CN109530768B (en) | Machining method for blade tip edging thinning area | |
| CN104385084B (en) | Five-axis grinding method for variably-formed base circle planar envelope convex surface workpiece | |
| CN111331203A (en) | Single-tool-tip worm gear machining method | |
| WO2018011990A1 (en) | Machining program generation device and machining method | |
| Zhu et al. | Process analysis and parameter optimization of five axis NC machine for machining complex curved surface impellers | |
| CN109807720A (en) | A kind of model accepted way of doing sth processing method of microlens array optical element | |
| CN105312646A (en) | Method and device for processing a blank | |
| CN103551592B (en) | A kind of diamond roller cavity surface processing method | |
| JP2011011295A (en) | Fine recessed part working method and fine recessed part working machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140430 |
|
| WD01 | Invention patent application deemed withdrawn after publication |