CN110722610A - Machining process of sapphire razor blade - Google Patents
Machining process of sapphire razor blade Download PDFInfo
- Publication number
- CN110722610A CN110722610A CN201910842908.XA CN201910842908A CN110722610A CN 110722610 A CN110722610 A CN 110722610A CN 201910842908 A CN201910842908 A CN 201910842908A CN 110722610 A CN110722610 A CN 110722610A
- Authority
- CN
- China
- Prior art keywords
- blade
- sapphire
- sapphire substrate
- angle
- inclined plane
- 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
- 229910052594 sapphire Inorganic materials 0.000 title claims abstract description 53
- 239000010980 sapphire Substances 0.000 title claims abstract description 53
- 238000003754 machining Methods 0.000 title claims description 8
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 10
- 238000005498 polishing Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 7
- 238000007688 edging Methods 0.000 claims abstract description 6
- 239000003292 glue Substances 0.000 claims abstract description 5
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000007517 polishing process Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 230000000704 physical effect Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/54—Razor-blades
- B26B21/58—Razor-blades characterised by the material
-
- 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
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
- B23P15/40—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools shearing tools
- B23P15/403—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools shearing tools razor blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/54—Razor-blades
- B26B21/56—Razor-blades characterised by the shape
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides a processing technology of a sapphire razor blade, which comprises the following steps: s1, performing double-sided polishing treatment on the sapphire substrate; s2, manufacturing an angle leaning body with an inclined plane, wherein the inclined plane has an angle theta, gluing the polished sapphire substrate on the angle leaning body, enabling one side surface of the sapphire substrate to be in butt joint with the inclined plane, and gluing the whole sapphire substrate on a glue board; s3, performing fine grinding on the sapphire substrate on the photoresist plate close to the inclined surface of the body to obtain a semi-finished blade with a blade edge, wherein the blade edge angle of the semi-finished blade is theta, and the blade edge thickness is T1; and S4, edging the semi-finished blade in a polishing mode to enable the thickness of the blade to reach T2, and thus obtaining the finished blade. According to the invention, the sapphire is used as a blade material, the physical property of the sapphire is excellent, the hardness reaches H9, the service life of the blade is prolonged, the chemical property of the sapphire is stable, the sapphire cannot be corroded, the blade is safer to use, and the appearance and the size precision of the blade are improved by utilizing the optical processing advantages.
Description
Technical Field
The invention relates to the technical field of shaver production, in particular to a processing technology of a sapphire shaver blade.
Background
The razor blades on the market at present are mainly made of imported alloy materials, the material of the razor blades of the general razor is mainly made of 3Cr13 and 4Cr13 martensitic stainless steel materials, the stainless steel sheets are rolled into 0.3/0.4mm after being precisely processed, and the stainless steel sheets can be used after being divided into strips and finally processed into blades; high-end razor blades are made of 6Cr13 martensitic stainless steel, and have better hardness due to the increased carbon content. The martensitic stainless steel is mainly subjected to quenching and tempering processes to improve the hardness and the processing performance, and as the razor blade is made of a metal material, the following defects exist during processing: because of plastic deformation of the metal material, the thickness limit of the cutting edge is only 0.01mm (relatively sharp) during edging; due to the hardness of the metal material, after the blade is used for a certain time, the blade is abraded and has short service life; the blade has poor use environment, and after the blade is used for a certain time, the blade material is corroded to generate harmful substances.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a machining process of a sapphire razor blade.
The invention provides a processing technology of a sapphire razor blade, which comprises the following steps:
s1, performing double-sided polishing treatment on the sapphire substrate;
s2, manufacturing an angle leaning body with an inclined plane, wherein the inclined plane has an angle theta, gluing the polished sapphire substrate on the angle leaning body, enabling one side surface of the sapphire substrate to be in butt joint with the inclined plane, and gluing the whole sapphire substrate on a glue board;
s3, performing fine grinding on the sapphire substrate on the photoresist plate close to the inclined surface of the body to obtain a semi-finished blade with a blade edge, wherein the blade edge angle of the semi-finished blade is theta, and the blade edge thickness is T1;
and S4, edging the semi-finished blade in a polishing mode to enable the thickness of the blade to reach T2, and thus obtaining the finished blade.
Preferably, in S1, the sapphire substrate has a size of 35mm by 5mm by 0.3 mm.
Preferably, in S1, a photoresist tray is used for the double-side polishing process, and after the polishing process, the sapphire substrate has a smooth finish of 40/20 and a flatness of λ/10.
Preferably, in S2, in S2, the method for manufacturing the angle backrest includes the steps of: taking a cuboid and cutting a right-angled triangular prism on the cuboid to obtain an angle leaning body with an inclined plane, wherein the angle of the inclined plane is theta.
Preferably, in S3, θ is 17 °, and T1 is 0.02. + -. 0.005 mm.
Preferably, in S4, T2 is 0.005 ± 0.0005 mm.
According to the processing technology of the sapphire razor blade, sapphire is used as a blade material, the sapphire is excellent in physical property, the hardness reaches H9, the service life of the blade is prolonged, the sapphire is stable in chemical property, cannot be corroded, and the blade is safer to use; the invention fully utilizes the optical processing advantages, improves the appearance and the dimensional accuracy of the blade, is not easy to wear, and has good blade quality and high grade; the thickness of the cutting edge of the blade processed by the process reaches 0.005mm, the angle of the cutting edge is 17 degrees, the sharpness of the cutting edge of 17 degrees is the best, the blade is sharper, and the blade is more comfortable to use; the process of the invention skillfully uses the 17-degree angle rest body, on one hand, the accurate formation of the blade angle can be conveniently formed, and on the other hand, the blade edge can be protected from being easily broken.
Drawings
FIG. 1 is a flow chart of a sapphire razor blade manufacturing process in accordance with the present invention;
FIG. 2 is a schematic structural view of a blade manufactured by a sapphire razor blade manufacturing process according to the present invention;
fig. 3 is a schematic structural view of an angle rest in a sapphire razor blade processing process according to the present invention.
Detailed Description
Referring to fig. 1, the invention provides a sapphire razor blade processing process, which comprises the following steps:
s1, performing double-sided polishing treatment on the sapphire substrate;
s2, manufacturing an angle leaning body with an inclined plane, wherein the inclined plane has an angle theta, gluing the polished sapphire substrate on the angle leaning body, enabling one side surface of the sapphire substrate to be in butt joint with the inclined plane, and gluing the whole sapphire substrate on a glue board;
s3, performing fine grinding on the sapphire substrate on the photoresist plate close to the inclined surface of the body to obtain a semi-finished blade with a blade edge, wherein the blade edge angle of the semi-finished blade is theta, and the blade edge thickness is T1;
and S4, edging the semi-finished blade in a polishing mode to enable the thickness of the blade to reach T2, and thus obtaining the finished blade.
Example one
A sapphire razor blade processing technology comprises the following steps:
s1, performing double-sided polishing treatment on the sapphire substrate with the size of 35mm by 5mm by 0.3 mm;
s2, taking a cuboid with the size of 38 ± 0.05mm × 20mm, cutting a right-angled triangular prism on the cuboid to obtain an angle leaning body with an inclined plane as shown in fig. 3, wherein the angle of the inclined plane is 17 °, optically gluing the polished sapphire substrate on the angle leaning body, butting one side surface of the sapphire substrate with the inclined plane, and then integrally gluing the sapphire substrate on an optical glue plate;
s3, performing fine grinding on the side, close to the inclined surface of the body, of the sapphire substrate on the photoresist plate to obtain a semi-finished blade with a blade edge, wherein the blade edge angle of the semi-finished blade is 17 degrees, and the blade edge thickness is 0.02 mm;
and S4, edging the semi-finished blade in a polishing mode to enable the thickness of the blade to reach 0.005mm, and obtaining the finished blade shown in the figure 2.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A machining process for a sapphire razor blade is characterized by comprising the following steps:
s1, performing double-sided polishing treatment on the sapphire substrate;
s2, manufacturing an angle leaning body with an inclined plane, wherein the inclined plane has an angle theta, gluing the polished sapphire substrate on the angle leaning body, enabling one side surface of the sapphire substrate to be in butt joint with the inclined plane, and gluing the whole sapphire substrate on a glue board;
s3, performing fine grinding on the sapphire substrate on the photoresist plate close to the inclined surface of the body to obtain a semi-finished blade with a blade edge, wherein the blade edge angle of the semi-finished blade is theta, and the blade edge thickness is T1;
and S4, edging the semi-finished blade in a polishing mode to enable the thickness of the blade to reach T2, and thus obtaining the finished blade.
2. The sapphire razor blade machining process of claim 1, wherein the sapphire substrate has a dimension of 35mm by 5mm by 0.3mm in S1.
3. The process of claim 1, wherein in step S1, a photoresist tray is used for the double-side polishing process, and after the polishing process, the sapphire substrate has a finish of 40/20 and a flatness of λ/10.
4. The sapphire razor blade machining process of any one of claims 1-3, wherein in S2, in S2, making the angle rest comprises the steps of: taking a cuboid and cutting a right-angled triangular prism on the cuboid to obtain an angle leaning body with an inclined plane, wherein the angle of the inclined plane is theta.
5. The sapphire razor blade machining process of any one of claims 1-3, wherein in S3, θ is 17 °, and T1 is 0.02 ± 0.005 mm.
6. The sapphire razor blade machining process of any one of claims 1-3, wherein in S4, T2 is 0.005 ± 0.0005 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910842908.XA CN110722610A (en) | 2019-09-06 | 2019-09-06 | Machining process of sapphire razor blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910842908.XA CN110722610A (en) | 2019-09-06 | 2019-09-06 | Machining process of sapphire razor blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110722610A true CN110722610A (en) | 2020-01-24 |
Family
ID=69217947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910842908.XA Pending CN110722610A (en) | 2019-09-06 | 2019-09-06 | Machining process of sapphire razor blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110722610A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1435812A (en) * | 1973-04-24 | 1976-05-19 | Warner Lambert Co | Method of making a razor blade |
| CN1057222A (en) * | 1990-06-08 | 1991-12-25 | 吉莱特公司 | Razor blade technology |
| AU2003232963A1 (en) * | 2002-05-30 | 2003-12-19 | Element Six Ltd | Diamond cutting insert |
| CN203185380U (en) * | 2013-01-09 | 2013-09-11 | 无锡鼎晶光电科技有限公司 | Sapphire razor blade |
| CN205310315U (en) * | 2016-01-28 | 2016-06-15 | 沈杰 | Take hourglass of sapphire blade must tool bit |
| CN106249328A (en) * | 2016-07-21 | 2016-12-21 | 马鞍山市江南光学有限公司 | A kind of Abbe roof prism production technology |
| CN108527013A (en) * | 2018-05-22 | 2018-09-14 | 安徽全兆光学科技有限公司 | A kind of grinding and polishing manufacture craft of sapphire optical eyeglass |
-
2019
- 2019-09-06 CN CN201910842908.XA patent/CN110722610A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1435812A (en) * | 1973-04-24 | 1976-05-19 | Warner Lambert Co | Method of making a razor blade |
| CN1057222A (en) * | 1990-06-08 | 1991-12-25 | 吉莱特公司 | Razor blade technology |
| AU2003232963A1 (en) * | 2002-05-30 | 2003-12-19 | Element Six Ltd | Diamond cutting insert |
| CN203185380U (en) * | 2013-01-09 | 2013-09-11 | 无锡鼎晶光电科技有限公司 | Sapphire razor blade |
| CN205310315U (en) * | 2016-01-28 | 2016-06-15 | 沈杰 | Take hourglass of sapphire blade must tool bit |
| CN106249328A (en) * | 2016-07-21 | 2016-12-21 | 马鞍山市江南光学有限公司 | A kind of Abbe roof prism production technology |
| CN108527013A (en) * | 2018-05-22 | 2018-09-14 | 安徽全兆光学科技有限公司 | A kind of grinding and polishing manufacture craft of sapphire optical eyeglass |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200124 |