CN110788582A - Treatment process of laser blade - Google Patents
Treatment process of laser blade Download PDFInfo
- Publication number
- CN110788582A CN110788582A CN201910988275.3A CN201910988275A CN110788582A CN 110788582 A CN110788582 A CN 110788582A CN 201910988275 A CN201910988275 A CN 201910988275A CN 110788582 A CN110788582 A CN 110788582A
- Authority
- CN
- China
- Prior art keywords
- blade
- quenching
- laser
- primary
- temperature
- 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
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/18—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for knives, scythes, scissors, or like hand cutting tools
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a processing technology of a laser blade, which belongs to the production field of the laser blade and comprises the steps of establishing a model → cutting the laser into a blade prototype → first grinding → vacuum quenching and tempering → edging → second grinding → flaw detection → stress relief → packaging and warehousing. The blade material tissue processed by the process is better than that of pre-hardened steel, and the toughness is good; during quenching and cooling, all parts are uniformly cooled, so that the rigidity of the blade is increased, the quenching deformation of the blade is reduced, and the yield is improved; after the blade is optimized through vacuum quenching and tempering processes, deformation is reduced, the finished blade can be repeatedly polished for use, and the requirement of modern production can be met.
Description
Technical Field
The invention belongs to the field of laser blade production, and particularly relates to a laser blade treatment process.
Background
The hedge trimmer is also called hedge shears, and is suitable for tea trimming, garden trimming, roadside hedge trimming and other special trimming in garden greening. When the laser blade on the hedge trimmer is used for processing and producing, the pre-hardened steel is directly used for laser cutting, so that the product is manufactured, partial deformation is inevitable due to the release of material stress, and the processing error of the product is large.
Disclosure of Invention
The invention provides a processing technology of a laser blade, which aims to solve the technical problem.
A processing technology of a laser blade comprises the following steps:
(1) establishing a model by using matlab software, and determining that the primary track of the blade consists of a straight line and a circular arc;
(2) cutting by using a laser cutting machine steel belt to form a blade prototype;
(3) grinding the upper and lower planes of the blade prototype for the first time by using a common grinding wheel surface grinding machine, wherein the machining allowance is 0.5mm, and forming a blank;
(4) carrying out vacuum quenching and tempering on the primary blank obtained in the step (3);
(6) performing edging operation on the primary blank by using a blade edging machine to obtain a primary product;
(7) grinding the upper and lower planes of the primary product again by using a diamond mirror surface grinding wheel surface grinding machine to obtain the required size of the product, wherein the feed size of the diamond grinding wheel is 0.02mm each time;
(8) flaw detection;
(9) finally, the surface of the blade is subjected to light wave heating at the temperature of 200 ℃ and 400 ℃, and then is cooled to eliminate thermal stress;
(10) and (6) packaging and warehousing.
Preferably, the vacuum quenching of the step (4) is performed in a vacuum gas quenching furnace, and the processes of vacuum quenching and tempering are as follows: placing the primary blank in a vacuum gas quenching furnace for quenching at the temperature of 830-850 ℃, preserving heat for 1-2h, filling nitrogen into a hearth of the vacuum gas quenching furnace after the heat preservation is finished, wherein the nitrogen pressure is 0.35-0.4 MPa, and simultaneously opening a fan to cool the primary blank to 100 ℃; and then tempering the primary blank at high temperature for three times, wherein the high-temperature tempering process comprises the following steps: the temperature of the primary blank is raised from 100 ℃ to 500-550 ℃, the temperature is preserved for 3 hours, and then the primary blank is discharged from the furnace and is cooled to the normal temperature.
Preferably, the step (3) and the step (7) use emulsion as cutting fluid during grinding and cutting.
Preferably, the linear processing track in the step (1) is based on a starting point, and a whole straight line can be described; firstly, determining a starting point and an end point of a processing track of the circular arc; and calculating the initial angle, the radius and the coordinates of the initial point, and determining the cutting length and the radian.
The invention has the beneficial effects that:
the blade material tissue processed by the process is better than that of pre-hardened steel, and the toughness is good; during quenching and cooling, all parts are uniformly cooled, so that the rigidity of the blade is increased, the quenching deformation of the blade is reduced, and the yield is improved; after the blade is optimized through vacuum quenching and tempering processes, deformation is reduced, the finished blade can be repeatedly polished for use, and the requirement of modern production can be met.
Detailed Description
The following detailed description of embodiments of the invention, but the invention can be practiced in many different ways, as defined and covered by the claims.
The invention discloses a processing technology of a laser blade, which comprises the following steps:
(1) establishing a model by using matlab software, determining that a primary track of the blade consists of a straight line and an arc, and describing the whole straight line according to a linear machining track as a starting point; firstly, determining a starting point and an end point of a processing track of the circular arc; calculating an initial angle, a radius and a coordinate of an initial point, and determining a cutting length and a radian;
(2) cutting by using a laser cutting machine steel belt to form a blade prototype;
(3) grinding the upper and lower planes of the blade prototype for the first time by using a common grinding wheel surface grinding machine, wherein the machining allowance is 0.5mm, forming a blank, and using emulsion as cutting fluid during grinding and cutting;
(4) and (4) carrying out vacuum quenching and tempering on the primary blank obtained in the step (3), wherein the vacuum quenching is carried out in a vacuum gas quenching furnace, and the processes of the vacuum quenching and tempering are as follows: placing the primary blank in a vacuum gas quenching furnace for quenching at the temperature of 830-850 ℃, preserving heat for 1-2h, filling nitrogen into a hearth of the vacuum gas quenching furnace after the heat preservation is finished, wherein the nitrogen pressure is 0.35-0.4 MPa, and simultaneously opening a fan to cool the primary blank to 100 ℃; and then tempering the primary blank at high temperature for three times, wherein the high-temperature tempering process comprises the following steps: heating the primary blank from 100 ℃ to 500-550 ℃, preserving heat for 3 hours, and then discharging the blank out of the furnace and cooling the blank to normal temperature;
(6) performing edging operation on the primary blank by using a blade edging machine to obtain a primary product;
(7) grinding the upper and lower planes of the primary product again by using a diamond mirror surface grinding wheel surface grinding machine to obtain the required size of the product, wherein the feed size of the diamond grinding wheel is 0.02mm each time, and emulsion is used as cutting fluid during grinding and cutting;
(8) flaw detection;
(9) finally, the surface of the blade is subjected to light wave heating at the temperature of 200 ℃ and 400 ℃, and then is cooled to eliminate thermal stress;
(10) and (6) packaging and warehousing.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (4)
1. The processing technology of the laser blade is characterized by comprising the following steps:
(1) establishing a model by using matlab software, and determining that the primary track of the blade consists of a straight line and a circular arc;
(2) cutting by using a laser cutting machine steel belt to form a blade prototype;
(3) grinding the upper and lower planes of the blade prototype for the first time by using a common grinding wheel surface grinding machine, wherein the machining allowance is 0.5mm, and forming a blank;
(4) carrying out vacuum quenching and tempering on the primary blank obtained in the step (3);
(6) performing edging operation on the primary blank by using a blade edging machine to obtain a primary product;
(7) grinding the upper and lower planes of the primary product again by using a diamond mirror surface grinding wheel surface grinding machine to obtain the required size of the product, wherein the feed size of the diamond grinding wheel is 0.02mm each time;
(8) flaw detection;
(9) finally, the surface of the blade is subjected to light wave heating at the temperature of 200 ℃ and 400 ℃, and then is cooled to eliminate thermal stress;
(10) and (6) packaging and warehousing.
2. The process for treating the laser blade according to claim 1, wherein the vacuum quenching of the step (4) is performed in a vacuum gas quenching furnace, and the processes of vacuum quenching and tempering are as follows: placing the primary blank in a vacuum gas quenching furnace for quenching at the temperature of 830-850 ℃, preserving heat for 1-2h, filling nitrogen into a hearth of the vacuum gas quenching furnace after the heat preservation is finished, wherein the nitrogen pressure is 0.35-0.4 MPa, and simultaneously opening a fan to cool the primary blank to 100 ℃; and then tempering the primary blank at high temperature for three times, wherein the high-temperature tempering process comprises the following steps: the temperature of the primary blank is raised from 100 ℃ to 500-550 ℃, the temperature is preserved for 3 hours, and then the primary blank is discharged from the furnace and is cooled to the normal temperature.
3. The process for treating a laser blade according to claim 1, wherein an emulsion is used as the cutting fluid in the grinding in the step (3) and the step (7).
4. The process for processing the laser blade according to claim 1, wherein the linear processing track in the step (1) is a whole straight line which can be described according to a starting point; firstly, determining a starting point and an end point of a processing track of the circular arc; and calculating the initial angle, the radius and the coordinates of the initial point, and determining the cutting length and the radian.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910988275.3A CN110788582A (en) | 2019-10-17 | 2019-10-17 | Treatment process of laser blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910988275.3A CN110788582A (en) | 2019-10-17 | 2019-10-17 | Treatment process of laser blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110788582A true CN110788582A (en) | 2020-02-14 |
Family
ID=69439342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910988275.3A Pending CN110788582A (en) | 2019-10-17 | 2019-10-17 | Treatment process of laser blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110788582A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112552044A (en) * | 2020-12-26 | 2021-03-26 | 安徽省阜锋刀具有限公司 | Machining process of ceramic cutter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07163768A (en) * | 1993-12-15 | 1995-06-27 | Iwate Pref Gov | Cutter and production thereof |
| CN104259757A (en) * | 2014-08-15 | 2015-01-07 | 安庆创跃电器有限公司 | Processing technology of mower blade |
| CN105154892A (en) * | 2015-09-21 | 2015-12-16 | 安庆创跃电器有限公司 | Clipping blade production process |
| CN105755254A (en) * | 2014-12-13 | 2016-07-13 | 重庆迎瑞升压铸有限公司 | Processing technology of thin blade |
-
2019
- 2019-10-17 CN CN201910988275.3A patent/CN110788582A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07163768A (en) * | 1993-12-15 | 1995-06-27 | Iwate Pref Gov | Cutter and production thereof |
| CN104259757A (en) * | 2014-08-15 | 2015-01-07 | 安庆创跃电器有限公司 | Processing technology of mower blade |
| CN105755254A (en) * | 2014-12-13 | 2016-07-13 | 重庆迎瑞升压铸有限公司 | Processing technology of thin blade |
| CN105154892A (en) * | 2015-09-21 | 2015-12-16 | 安庆创跃电器有限公司 | Clipping blade production process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112552044A (en) * | 2020-12-26 | 2021-03-26 | 安徽省阜锋刀具有限公司 | Machining process of ceramic cutter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102676752B (en) | Thermal treatment process for die steel H13 of automobile forged piece | |
| CN106624625A (en) | Flange plate processing method | |
| CN109482794A (en) | A kind of forging processing method of locking bolt | |
| CN105734214A (en) | Annealing process for H13 steel | |
| CN110788582A (en) | Treatment process of laser blade | |
| CN106736321A (en) | A kind of 20Cr cam cuttings technique | |
| CN111649071B (en) | Bearing outer ring machining process | |
| CN106808166A (en) | The manufacture craft of carburizing steel gear | |
| CN107931986A (en) | A kind of processing method of the bearing outer ring with unilateral flange | |
| CN107649577A (en) | A kind of damping disk(-isc) perforating die die process | |
| CN106078127A (en) | A kind of mould circle enters the processing technique of son | |
| CN109794740A (en) | A kind of Novel lathe tool blade processing technology | |
| CN111100976A (en) | Heat treatment process for preventing cracking of steel for glass mold after forging | |
| CN109986304A (en) | A kind of processing technology of ocean engineering pipeline flange for connection | |
| CN104175083A (en) | Turning tool manufacturing technology capable of reducing heat damage and facilitating processing | |
| CN102796861A (en) | Pressing die shaping and constant-pressure oil spray quenching process of circular saw blade substrate | |
| CN109623302A (en) | The manufacturing method of big blade edger | |
| CN112646970A (en) | Deformation-preventing tempering method for high-strength and high-toughness steel long step shaft | |
| CN106694969B (en) | Headlight for vehicles lampshade mould light method for processing surface | |
| CN105755261A (en) | Heat treatment process of saw blade milling cutter | |
| CN104259801A (en) | Manufacturing method of high-toughness reamer | |
| CN104741623A (en) | 2cr13 stainless steel turning process | |
| CN106078128A (en) | A kind of die enters the processing technique of son | |
| CN108436402A (en) | A kind of fixed blade for steam turbine blade processing technique | |
| CN104148904A (en) | Machining technology for large end socket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
Application publication date: 20200214 |
|
| RJ01 | Rejection of invention patent application after publication |