CN115194413B - Method for processing germanium window - Google Patents
Method for processing germanium window Download PDFInfo
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- CN115194413B CN115194413B CN202210906857.4A CN202210906857A CN115194413B CN 115194413 B CN115194413 B CN 115194413B CN 202210906857 A CN202210906857 A CN 202210906857A CN 115194413 B CN115194413 B CN 115194413B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The invention relates to a method for processing a germanium window, which belongs to the technical field of germanium window processing and specifically comprises the following steps: (1) processing the germanium window by using a fine engraving machine; (2) roughly milling the outer contour of the window; (3) finish milling the outer contour of the window; (4) chamfering the upper surface; and (5) chamfering the lower surface. The invention provides a formula for calculating the chamfer processing depth, so that the processing of germanium windows with different shapes can completely realize automatic and standardized operation, the problem of processing size deviation of the germanium windows is solved, and the method has wide applicability.
Description
Technical Field
The invention belongs to the technical field of germanium window processing, and particularly relates to a method for processing a germanium window.
Background
Germanium window is according to optical design demand, and often the shape is different, causes very big difficulty for processing, and if the window processing quantity is many, still often causes the window size to be non-uniform, and the problem that the deviation is big influences machining efficiency. Therefore, there is a need for a method that allows fully automated, standardized processing of germanium windows of different shapes.
Disclosure of Invention
In order to overcome the problems in the background technology, the invention provides a method for processing a germanium window, and provides a formula for calculating the chamfer processing depth, so that the processing of germanium windows with different shapes can completely realize automatic and standardized operation, the problem of processing size deviation of the germanium window is solved, and the method has wide applicability.
In order to realize the purpose, the invention is realized by the following technical scheme:
the method for processing the germanium window specifically comprises the following steps:
(1) Processing the germanium window by using a fine carving machine;
(2) Roughly milling the outer contour of the window: reserving a machining allowance of 0.9mm, and adjusting the parameters of the engraving and milling machine to be the rotating speed of a main shaft of 8600r/min, the feeding speed of 2.6mm/min, the feed speed of 1mm/min and the continuous cutting speed of 1mm/min;
(3) Finish milling of the outer contour of the window: the processing amount is started from 1mm, the radius of a cutter is added for abrasion, the part is processed to the drawing size, the rotating speed of a main rotating shaft of the engraving and milling machine is kept unchanged, the feeding speed is adjusted to be 1.5mm/min, the feeding speed is adjusted to be 0.6mm/min, and the continuous cutting speed is adjusted to be 0.6mm/min;
(4) Chamfering the upper surface: setting the chamfer processing depth of the upper surface to be h according to the depth of the bevel edge of the chamfer mould, and keeping the parameters of the engraving and milling machine unchanged in the step (2);
(5) Chamfering the lower surface: and (5) keeping the parameters of the engraving and milling machine unchanged in the step (3), and determining the processing depth to be 13+ H + H according to the window thickness value H. Wherein the value 13 is the sum of the bevel depth dimension 10 and the cylindrical depth dimension 3 of the lower end of the chamfer grinding wheel, which is the fixed standard dimension of the chamfer grinding wheel.
Preferably, h is any one of a numerical value from 0 to 10mm.
The method utilizes the grinding wheel rotating at high speed to grind along a processing path, wherein the grain size of the grinding wheel is roughly milled by a window and is 260# by finish milling, and the grain sizes of the grinding wheel of the upper surface chamfer and the lower surface chamfer are both 300#.
The invention has the beneficial effects that:
1. the method has simple steps and uniform processing flow, provides a formula for calculating the processing depth of the chamfer, ensures that the processing of germanium windows with different shapes can completely realize automatic and standardized operation, solves the problems of large processing size deviation and large processing difficulty of the germanium windows, and has wide applicability.
2. The method is suitable for windows with different shapes and sizes, the processed windows have good consistency and no edge breakage, and the processing efficiency and the processing quality are greatly improved.
Drawings
FIG. 1 is a schematic view of the process for chamfering the upper surface of the present invention;
FIG. 2 is a schematic view of the lower surface chamfering process of the present invention;
FIG. 3 is a schematic view of a germanium window in accordance with embodiment 1 of the present invention;
FIG. 4 is a schematic view of a germanium window shape according to embodiment 2 of the present invention;
FIG. 5 is a schematic view of a germanium window in accordance with embodiment 3 of the present invention;
fig. 6 is a schematic view of the shape of a germanium window in embodiment 4 of the present invention;
FIG. 7 is a schematic view of a germanium window in accordance with embodiment 5 of the present invention;
fig. 8 is a schematic view of a germanium window shape in embodiment 6 of the present invention;
figure 9 is a diagram illustrating germanium window shapes in accordance with example 7 of the present invention;
h-upper surface chamfer processing depth and H-window thickness.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings to facilitate understanding of the skilled person.
The method for processing the germanium window comprises the following steps:
(1) Processing the germanium window by using a fine carving machine;
(2) Roughly milling the outer contour of the window: reserving a machining allowance of 0.9mm, and adjusting the parameters of the engraving and milling machine to be the rotating speed of a main shaft of 8600r/min, the feeding speed of 2.6mm/min, the feed speed of 1mm/min and the continuous cutting speed of 1mm/min;
(3) Finish milling of the outer contour of the window: the processing amount is started from 1mm, the radius of a cutter is added for abrasion, the part is processed to the drawing size, the rotating speed of a main rotating shaft of the engraving and milling machine is kept unchanged, the feeding speed is adjusted to be 1.5mm/min, the feeding speed is adjusted to be 0.6mm/min, and the continuous cutting speed is adjusted to be 0.6mm/min;
(4) Chamfering the upper surface: setting the chamfer processing depth of the upper surface to be h according to the depth of the bevel edge of the chamfer mould, and keeping parameters of the engraving and milling machine unchanged in the step (2), wherein h is any one of the numerical values of 0-10mm;
(5) Chamfering the lower surface: and (4) keeping the parameters of the engraving and milling machine unchanged in the step (3), and determining that the processing depth is 13+ H + H according to the window thickness value H.
Example 1
A germanium window shaped as shown in figure 3 was processed as follows:
(1) Processing the germanium window by using a fine carving machine;
(2) Roughly milling the outer contour of the window: reserving a machining allowance of 0.9mm, and adjusting the parameters of the engraving and milling machine to be the rotating speed of a main shaft of 8600r/min, the feeding speed of 2.6mm/min, the feed speed of 1mm/min and the continuous cutting speed of 1mm/min;
(3) Finish milling of the outer contour of the window: the processing amount is started from 1mm, the radius of a cutter is added for abrasion, the part is processed to the drawing size, the rotating speed of a main rotating shaft of the engraving and milling machine is kept unchanged, the feeding speed is adjusted to be 1.5mm/min, the feeding speed is adjusted to be 0.6mm/min, and the continuous cutting speed is adjusted to be 0.6mm/min;
(4) Chamfering the upper surface: setting the chamfer processing depth h of the upper surface to be 3mm according to the depth of the bevel edge of the chamfer mould, and keeping the parameters of the engraving and milling machine unchanged in the step (2);
(5) Chamfering the lower surface: and (4) keeping the parameters of the engraving and milling machine unchanged in the step (3), wherein the thickness value H of the window is 13.25mm, the processing depth is determined to be 13+3+13.25=29.25mm, and the window in the shape can be processed quickly after the processing depth is determined.
Example 2
A germanium window shaped as shown in fig. 4 was processed according to the following steps:
(1) Processing the germanium window by using a fine carving machine;
(2) Roughly milling the outer contour of the window: reserving a machining allowance of 0.9mm, and adjusting the parameters of the engraving and milling machine to be the rotating speed of a main shaft of 8600r/min, the feeding speed of 2.6mm/min, the feed speed of 1mm/min and the continuous cutting speed of 1mm/min;
(3) Finish milling of the outer contour of the window: the processing amount is started from 1mm, the radius of a cutter is added for abrasion, the part is processed to the drawing size, the rotating speed of a main rotating shaft of the engraving and milling machine is kept unchanged, the feeding speed is adjusted to be 1.5mm/min, the feeding speed is adjusted to be 0.6mm/min, and the continuous cutting speed is adjusted to be 0.6mm/min;
(4) Chamfering the upper surface: setting the chamfer processing depth h of the upper surface to be 4mm according to the depth of the bevel edge of the chamfer mould, and keeping parameters of the engraving and milling machine unchanged in the step (2);
(5) Chamfering the lower surface: keeping the parameters of the engraving and milling machine unchanged in the step (3), wherein the window thickness value H is 10.25mm, the processing depth is determined to be 13+4+10.25=30.25mm, and the window with the shape can be processed quickly after the processing depth is determined.
Example 3
A germanium window shaped as shown in fig. 5 was processed as follows:
(1) Processing the germanium window by using a fine carving machine;
(2) Roughly milling the outer contour of the window: reserving a machining allowance of 0.9mm, and adjusting the parameters of the engraving and milling machine to be the rotating speed of a main shaft of 8600r/min, the feeding speed of 2.6mm/min, the feed speed of 1mm/min and the continuous cutting speed of 1mm/min;
(3) Finish milling of the outer contour of the window: the processing amount is started from 1mm, the radius of a cutter is added for abrasion, the part is processed to the drawing size, the rotating speed of a main rotating shaft of the engraving and milling machine is kept unchanged, the feeding speed is adjusted to be 1.5mm/min, the feeding speed is adjusted to be 0.6mm/min, and the continuous cutting speed is adjusted to be 0.6mm/min;
(4) Chamfering the upper surface: setting the chamfer processing depth h of the upper surface to be 5mm according to the depth of the bevel edge of the chamfer mould, and keeping the parameters of the engraving and milling machine unchanged in the step (2);
(5) Chamfering the lower surface: and (4) keeping the parameters of the engraving and milling machine unchanged in the step (3), wherein the thickness value H of the window is 8mm, the machining depth is determined to be 13+5+8=26mm, and the window in the shape can be machined quickly after the machining depth is determined.
Example 4
A germanium window shaped as shown in fig. 6 was processed as follows:
(1) Processing the germanium window by using a fine carving machine;
(2) Roughly milling the outer contour of the window: reserving a machining allowance of 0.9mm, and adjusting the parameters of the engraving and milling machine to be the rotating speed of a main shaft of 8600r/min, the feeding speed of 2.6mm/min, the feed speed of 1mm/min and the continuous cutting speed of 1mm/min;
(3) Finish milling of the outer contour of the window: the processing amount is started from 1mm, the radius of a cutter is added for abrasion, the part is processed to the drawing size, the rotating speed of a main rotating shaft of the engraving and milling machine is kept unchanged, the feeding speed is adjusted to be 1.5mm/min, the feeding speed is adjusted to be 0.6mm/min, and the continuous cutting speed is adjusted to be 0.6mm/min;
(4) Chamfering the upper surface: setting the chamfer processing depth h of the upper surface to be 4mm according to the depth of the bevel edge of the chamfer mould, and keeping the parameters of the engraving and milling machine unchanged in the step (2);
(5) Chamfering the lower surface: and (4) keeping the parameters of the engraving and milling machine unchanged in the step (3), wherein the thickness value H of the window is 7.5mm, the processing depth is determined to be 13+4+7.5=24.5mm, and the window in the shape can be processed quickly after the processing depth is determined.
Example 5
A germanium window of the shape shown in fig. 7 is processed according to the following steps:
(1) Processing the germanium window by using a fine carving machine;
(2) Roughly milling the outer contour of the window: reserving a machining allowance of 0.9mm, and adjusting the parameters of the engraving and milling machine to be the rotating speed of a main shaft of 8600r/min, the feeding speed of 2.6mm/min, the feed speed of 1mm/min and the continuous cutting speed of 1mm/min;
(3) Finish milling of the outer contour of the window: the processing amount is started from 1mm, the radius of a cutter is added for abrasion, the part is processed to the drawing size, the rotating speed of a main rotating shaft of the engraving and milling machine is kept unchanged, the feeding speed is adjusted to be 1.5mm/min, the feeding speed is adjusted to be 0.6mm/min, and the continuous cutting speed is adjusted to be 0.6mm/min;
(4) Chamfering the upper surface: setting the chamfer processing depth h of the upper surface to be 4mm according to the depth of the bevel edge of the chamfer mould, and keeping the parameters of the engraving and milling machine unchanged in the step (2);
(5) Chamfering the lower surface: keeping the parameters of the engraving and milling machine unchanged in the step (3), wherein the window thickness value H is 12mm, the processing depth is determined to be 13+4+12=29mm, and after the processing depth is determined, the window in the shape can be processed quickly.
Example 6
A germanium window shaped as shown in fig. 8 was processed as follows:
(1) Processing the germanium window by using a fine carving machine;
(2) Roughly milling the outer contour of the window: reserving a machining allowance of 0.9mm, and adjusting the parameters of the engraving and milling machine to be the rotating speed of a main shaft of 8600r/min, the feeding speed of 2.6mm/min, the feed speed of 1mm/min and the continuous cutting speed of 1mm/min;
(3) Finish milling of the outer contour of the window: the processing amount is started from 1mm, the radius of a cutter is added for abrasion, the part is processed to the drawing size, the rotating speed of a main rotating shaft of the engraving and milling machine is kept unchanged, the feeding speed is adjusted to be 1.5mm/min, the feeding speed is adjusted to be 0.6mm/min, and the continuous cutting speed is adjusted to be 0.6mm/min;
(4) Chamfering the upper surface: setting the chamfer processing depth h of the upper surface to be 4mm according to the depth of the bevel edge of the chamfer mould, and keeping the parameters of the engraving and milling machine unchanged in the step (2);
(5) Chamfering the lower surface: keeping the parameters of the engraving and milling machine unchanged in the step (3), wherein the window thickness value H is 9.8mm, the processing depth is determined to be 13+4+9.8=26.8mm, and the window in the shape can be rapidly processed after the processing depth is determined.
Example 7
A germanium window shaped as shown in fig. 9 was processed as follows:
(1) Processing the germanium window by using a fine carving machine;
(2) Roughly milling the outer contour of the window: reserving a machining allowance of 0.9mm, and adjusting the parameters of the engraving and milling machine to be the rotating speed of a main shaft of 8600r/min, the feeding speed of 2.6mm/min, the feed speed of 1mm/min and the continuous cutting speed of 1mm/min;
(3) Finish milling of the outer contour of the window: the processing amount is started from 1mm, the radius of a cutter is added for abrasion, the part is processed to the drawing size, the rotating speed of a main rotating shaft of the engraving and milling machine is kept unchanged, the feeding speed is adjusted to be 1.5mm/min, the feeding speed is adjusted to be 0.6mm/min, and the continuous cutting speed is adjusted to be 0.6mm/min;
(4) Chamfering the upper surface: setting the chamfer processing depth h of the upper surface to be 5mm according to the depth of the bevel edge of the chamfer mould, and keeping the parameters of the engraving and milling machine unchanged in the step (2);
(5) Chamfering the lower surface: and (4) keeping the parameters of the engraving and milling machine unchanged in the step (3), wherein the thickness value H of the window is 6mm, the processing depth is determined to be 13+5+6=24mm, and the window in the shape can be processed quickly after the processing depth is determined.
According to the method, the chamfer processing depth can be rapidly determined through the calculation formula of the chamfer processing depth, the method is suitable for processing various irregular germanium windows, the standardization of the processing flow is realized, the processing efficiency and the processing quality of the germanium windows are greatly improved, and the application range is wide.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (2)
1. A method for germanium window processing, comprising: the method for processing the germanium window specifically comprises the following steps:
(1) Processing the germanium window by using a fine carving machine;
(2) Roughly milling the outer contour of the window: reserving a machining allowance of 0.9mm, and adjusting the parameters of the engraving and milling machine to be the rotating speed of a main shaft of 8600r/min, the feeding speed of 2.6mm/min, the feed speed of 1mm/min and the continuous cutting speed of 1mm/min;
(3) Finish milling of the outer contour of the window: the processing amount is started from 1mm, the radius of a cutter is added for abrasion, the part is processed to the drawing size, the rotating speed of a main rotating shaft of the engraving and milling machine is kept unchanged, the feeding speed is adjusted to be 1.5mm/min, the feeding speed is adjusted to be 0.6mm/min, and the continuous cutting speed is adjusted to be 0.6mm/min;
(4) Chamfering the upper surface: setting the chamfer processing depth of the upper surface to be h according to the depth of the bevel edge of the chamfer mould, and keeping the parameters of the engraving and milling machine unchanged in the step (2);
(5) Chamfering the lower surface: and (4) keeping the parameters of the engraving and milling machine unchanged in the step (3), and determining that the processing depth is 13+ H + H according to the window thickness value H.
2. A method for germanium window processing according to claim 1, wherein: and (4) setting h to be any value from 0 to 10mm.
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| US5173443A (en) * | 1987-02-13 | 1992-12-22 | Northrop Corporation | Method of manufacture of optically transparent electrically conductive semiconductor windows |
| CN102555081A (en) * | 2010-12-28 | 2012-07-11 | 北京有色金属研究总院 | Precise forming method for machining germanium window part shape by inner circle slicer |
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| CN213945924U (en) * | 2020-11-17 | 2021-08-13 | 云南驰宏国际锗业有限公司 | Forming self-centering mounting device of window part engraving and milling machine |
| CN113798795A (en) * | 2021-09-26 | 2021-12-17 | 中电科技集团重庆声光电有限公司 | Airtight shell with optical window and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10012769B2 (en) * | 2013-03-06 | 2018-07-03 | Element Six Technologies Limited | Synthetic diamond optical elements |
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2022
- 2022-07-29 CN CN202210906857.4A patent/CN115194413B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5173443A (en) * | 1987-02-13 | 1992-12-22 | Northrop Corporation | Method of manufacture of optically transparent electrically conductive semiconductor windows |
| CN102555081A (en) * | 2010-12-28 | 2012-07-11 | 北京有色金属研究总院 | Precise forming method for machining germanium window part shape by inner circle slicer |
| CN110389395A (en) * | 2019-03-04 | 2019-10-29 | 合肥嘉东光学股份有限公司 | Small light classes and grades in school Ge diaphragm development technology |
| CN110727040A (en) * | 2019-09-06 | 2020-01-24 | 合肥嘉东光学股份有限公司 | Processing technology of small optical-grade Ge window piece |
| CN213945924U (en) * | 2020-11-17 | 2021-08-13 | 云南驰宏国际锗业有限公司 | Forming self-centering mounting device of window part engraving and milling machine |
| CN113798795A (en) * | 2021-09-26 | 2021-12-17 | 中电科技集团重庆声光电有限公司 | Airtight shell with optical window and preparation method thereof |
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