CN110014237A - The quick piercing process of thick stainless steel plate in one kind - Google Patents
The quick piercing process of thick stainless steel plate in one kind Download PDFInfo
- Publication number
- CN110014237A CN110014237A CN201910283244.8A CN201910283244A CN110014237A CN 110014237 A CN110014237 A CN 110014237A CN 201910283244 A CN201910283244 A CN 201910283244A CN 110014237 A CN110014237 A CN 110014237A
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- Prior art keywords
- increase
- plate
- plate thickness
- cutting
- duty ratio
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 11
- 239000010935 stainless steel Substances 0.000 title claims abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000002893 slag Substances 0.000 claims abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- 238000010926 purge Methods 0.000 claims abstract description 8
- 239000004519 grease Substances 0.000 claims abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000001301 oxygen Substances 0.000 claims abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 6
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 abstract description 3
- 238000003763 carbonization Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
- B23K26/382—Removing material by boring or cutting by boring
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention provides the quick piercing processes of thick stainless steel plate in one kind, comprising the following steps: step 1, quick-fried depth: being cut using the cutting head of laser power >=3000 watt, and cutting head is set as 12-16mm apart from plate surface height；Duty ratio is between 55%-75%；Air pressure is the oxygen of 0.6Bar-1.2Bar；Set of frequency is 8-20Hz；Focal position is below plate surface to be cut between 50%-70%, and laser irradiation time is between 0.5S-1.5S；Step 2, purging slag --- cutting grease head highness is adjusted to from the position plate surface 10mm；The nitrogen for being 4Bar using pressure, carries out purging 1S-2S to plate；Step 3, perforation --- using the cutting head of power >=3000 watt, cutting head is adjusted to the above position 16mm of plate surface and carries out cutting perforation.The quick-fried depth of this technology utilization oxygen, material is carbonized, and is reused the higher nitrogen of pressure and is blown away the slag after carbonization, and greatly reducing leads to the accumulation of surface slag excessively because puncturing overlong time, makes steady with cutting connection after the completion of puncturing, guarantee cutting stability.
Description
Technical field
The present invention relates to perforation field, the quick piercing processes of specifically a kind of middle thick stainless steel plate.
Background technique
Original piercing process, punctures slab overlong time, and plate surface slag accumulates excessively high, cutting head sensor senses
Data distortion, cutting head will appear shake in the moment of starting, so that it is excessive that focal position can be made to float up and down, cause puncturing
The moment cutting-height of connection cutting starting and focal position are unstable after the completion of movement, even cut when serious and do not wear.
Summary of the invention
Technical problem to be solved by the invention is to provide the method for punching of stainless steel plate thick in one kind, so as to solve
Aperture time is long, slag accumulation, cutting starting it is unstable cause the phenomenon that can not cutting through.
The technical scheme is that
The quick piercing process of thick stainless steel plate in one kind, which comprises the following steps:
Step 1, quick-fried depth
It is cut using the cutting head of laser power >=3000 watt, cutting head is set as 12-16mm apart from plate surface height；
Duty ratio is between 55%-75%；Air pressure is the oxygen of 0.6Bar-1.2Bar；Set of frequency is 8-20Hz；
Focal position is below plate surface to be cut between 50%-70%
Laser irradiation time is between 0.5S-1.5S；
Step 2, purging slag
Cutting grease head highness is adjusted to from the position plate surface 10mm；
The nitrogen for being 4Bar using pressure, carries out purging 1S-2S to plate；
Step 3, perforation
Using the cutting head of power >=3000 watt, cutting head is adjusted to the above position 16mm of plate surface and carries out cutting perforation；
Duty ratio between 60%-85%, using air pressure be 0.6Bar-2Bar nitrogen, set of frequency be 200Hz-440Hz it
Between, focal position is below plate surface to be cut between 50%-70%, and laser irradiation time is between 1.S-2.5S；
Further improvement of these options, variation of the cutting head apart from plate surface height according to plate thickness in step 1: plate thickness is every
Increase 2mm, cutting grease head highness increases 1mm, not more than 16mm；
Variation of the duty ratio according to plate thickness: every increase 2mm plate thickness, duty ratio increase by 2%, duty ratio not more than 75%；
Variation of the air pressure according to plate thickness: plate every increase 2mm, pressure increase 0.1Bar, not more than 1.2Bar；Wherein air pressure
Purity is not less than 99.99%；
Variation of the frequency according to plate thickness: the every increase 2mm of plate thickness, frequency increase 1Hz, not more than 20Hz.
Further improvement of these options, in step 2,
Variation of the pressure according to plate thickness: the every increase 2mm of plate, time increase 0.1S, not more than 2S, and wherein nitrogen gas purity is not
Lower than 99.99%.
Further improvement of these options, in step 3, variation of the duty ratio according to plate thickness: every increase 2mm plate thickness is accounted for
Sky is than increasing by 2%, duty ratio not more than 85%；
Variation of the frequency according to plate thickness: the every increase 2mm of plate thickness, frequency increase 30Hz, not more than 440Hz
Variation of the laser irradiation time according to plate thickness: the every increase 2mm of plate thickness, time increase 0.1S, not more than 2.5S.
Beneficial effect
This technique will shorten about 30%-60% on the basis of original the puncture time, and using the quick-fried depth of oxygen, material is carbonized,
It reuses the higher nitrogen of pressure to blow away the slag after carbonization, greatly reducing leads to surface slag because puncturing overlong time
Accumulation excessively, makes steady with cutting connection after the completion of puncturing, guarantee cutting stability.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
The quick piercing process of thick stainless steel plate in one kind, which comprises the following steps:
Step 1, quick-fried depth
It is cut using the cutting head of laser power >=3000 watt, cutting head is set as 12-16mm apart from plate surface height；
Duty ratio is between 55%-75%；Air pressure is the oxygen of 0.6Bar-1.2Bar；Set of frequency is 8-20Hz；
Focal position is below plate surface to be cut between 50%-70%
Laser irradiation time is between 0.5S-1.5S；
Step 2, purging slag
Cutting grease head highness is adjusted to from the position plate surface 10mm；
The nitrogen for being 4Bar using pressure, carries out purging 1S-2S to plate；
Step 3, perforation
Using the cutting head of power >=3000 watt, cutting head is adjusted to the above position 16mm of plate surface and carries out cutting perforation；
Duty ratio between 60%-85%, using air pressure be 0.6Bar-2Bar nitrogen, set of frequency be 200Hz-440Hz it
Between, focal position is below plate surface to be cut between 50%-70%, and laser irradiation time is between 1.S-2.5S
Further improvement of these options, variation of the cutting head apart from plate surface height according to plate thickness in step 1: plate thickness is every
Increase 2mm, cutting grease head highness increases 1mm, not more than 16mm；
Variation of the duty ratio according to plate thickness: every increase 2mm plate thickness, duty ratio increase by 2%, duty ratio not more than 75%；
Variation of the air pressure according to plate thickness: plate every increase 2mm, pressure increase 0.1Bar, not more than 1.2Bar；Wherein air pressure
Purity is not less than 99.99%；
Variation of the frequency according to plate thickness: the every increase 2mm of plate thickness, frequency increase 1Hz, not more than 20Hz.
Further improvement of these options, in step 2,
Variation of the pressure according to plate thickness: the every increase 2mm of plate, time increase 0.1S, not more than 2S, and wherein nitrogen gas purity is not
Lower than 99.99%.
Further improvement of these options, in step 3, variation of the duty ratio according to plate thickness: every increase 2mm plate thickness is accounted for
Sky is than increasing by 2%, duty ratio not more than 85%；
Variation of the frequency according to plate thickness: the every increase 2mm of plate thickness, frequency increase 30Hz, not more than 440Hz
Variation of the laser irradiation time according to plate thickness: the every increase 2mm of plate thickness, time increase 0.1S, not more than 2.5S.
Finally it should be noted that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it, to the greatest extent
Pipe is described the invention in detail referring to example, those skilled in the art should understand that, it can be to of the invention
Technical solution is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be covered
In scope of the presently claimed invention.
Claims (4)
1. the quick piercing process of thick stainless steel plate in one kind, which comprises the following steps:
Step 1, quick-fried depth
It is cut using the cutting head of laser power >=3000 watt, cutting head is set as 12-16mm apart from plate surface height；
Duty ratio is between 55%-75%；Air pressure is the oxygen of 0.6Bar-1.2Bar；Set of frequency is 8-20Hz；
Focal position is below plate surface to be cut between 50%-70%；
Laser irradiation time is between 0.5S-1.5S；
Step 2, purging slag
Cutting grease head highness is adjusted to from the position plate surface 10mm；
The nitrogen for being 4Bar using pressure, carries out purging 1S-2S to plate；
Step 3, perforation
Using the cutting head of power >=3000 watt, cutting head is adjusted to the above position 16mm of plate surface and carries out cutting perforation；
Duty ratio between 60%-85%, using air pressure be 0.6Bar-2Bar nitrogen, set of frequency be 200Hz-440Hz it
Between, focal position is below plate surface to be cut between 50%-70%, and laser irradiation time is between 1.S-2.5S.
2. the quick piercing process of thick stainless steel plate in one kind according to claim 1, it is characterised in that:
Variation of the cutting head apart from plate surface height according to plate thickness in step 1: the every increase 2mm of plate thickness, cutting grease head highness increase
1mm, not more than 16mm；
Variation of the duty ratio according to plate thickness: every increase 2mm plate thickness, duty ratio increase by 2%, duty ratio not more than 75%；
Variation of the air pressure according to plate thickness: plate every increase 2mm, pressure increase 0.1Bar, not more than 1.2Bar；Wherein air pressure
Purity is not less than 99.99%；
Variation of the frequency according to plate thickness: the every increase 2mm of plate thickness, frequency increase 1Hz, not more than 20Hz.
3. the quick piercing process of thick stainless steel plate in one kind according to claim 1, it is characterised in that:
In step 2,
Variation of the pressure according to plate thickness: the every increase 2mm of plate, time increase 0.1S, not more than 2S, and wherein nitrogen gas purity is not
Lower than 99.99%.
4. the quick piercing process of thick stainless steel plate in one kind according to claim 1, it is characterised in that:
In step 3, variation of the duty ratio according to plate thickness: every increase 2mm plate thickness, duty ratio increase by 2%, and duty ratio is not more than
85%；
Variation of the frequency according to plate thickness: the every increase 2mm of plate thickness, frequency increase 30Hz, not more than 440Hz
Variation of the laser irradiation time according to plate thickness: the every increase 2mm of plate thickness, time increase 0.1S, not more than 2.5S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910283244.8A CN110014237B (en) | 2019-04-10 | 2019-04-10 | Rapid punching process for medium-thickness stainless steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910283244.8A CN110014237B (en) | 2019-04-10 | 2019-04-10 | Rapid punching process for medium-thickness stainless steel plate |
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| CN110014237A true CN110014237A (en) | 2019-07-16 |
| CN110014237B CN110014237B (en) | 2020-11-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773885A (en) * | 2019-11-05 | 2020-02-11 | 济南邦德激光股份有限公司 | Laser perforation method |
| CN111266744A (en) * | 2020-03-13 | 2020-06-12 | 大连理工大学 | Pre-cutting-based laser high-precision machining method for copper-steel laminated plate |
| CN112935592A (en) * | 2021-01-21 | 2021-06-11 | 华清创智光电科技(清远)有限公司 | Method for laser processing through hole for preventing molten metal from splashing |
| CN113977112A (en) * | 2021-11-12 | 2022-01-28 | 武汉威士登自动化控制技术有限公司 | High-speed laser perforation method |
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| CN106271058A (en) * | 2016-08-29 | 2017-01-04 | 无锡洲翔成套焊接设备有限公司 | The cut technique less than sheet metal thickness diameter circular aperture is carried out on sheet material |
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2019
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| CN102689091A (en) * | 2011-03-23 | 2012-09-26 | 江苏亚威机床股份有限公司 | Laser beam cutting and perforating apparatus |
| CN103501956A (en) * | 2011-04-21 | 2014-01-08 | 艾迪奇股份公司 | Method for controlling laser cutting process and laser cutting system implementing same |
| CN103537807A (en) * | 2013-10-29 | 2014-01-29 | 上海柏楚电子科技有限公司 | Cutting technology modularization processing method based on laser cutting software |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773885A (en) * | 2019-11-05 | 2020-02-11 | 济南邦德激光股份有限公司 | Laser perforation method |
| CN110773885B (en) * | 2019-11-05 | 2022-02-15 | 济南邦德激光股份有限公司 | Laser perforation method |
| CN111266744A (en) * | 2020-03-13 | 2020-06-12 | 大连理工大学 | Pre-cutting-based laser high-precision machining method for copper-steel laminated plate |
| CN111266744B (en) * | 2020-03-13 | 2021-03-26 | 大连理工大学 | Pre-cutting-based laser high-precision machining method for copper-steel laminated plate |
| CN112935592A (en) * | 2021-01-21 | 2021-06-11 | 华清创智光电科技(清远)有限公司 | Method for laser processing through hole for preventing molten metal from splashing |
| CN113977112A (en) * | 2021-11-12 | 2022-01-28 | 武汉威士登自动化控制技术有限公司 | High-speed laser perforation method |
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| CN110014237B (en) | 2020-11-10 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A rapid piercing process for medium thick stainless steel plate Effective date of registration: 20210204 Granted publication date: 20201110 Pledgee: Wuxi Xishan sub branch of Bank of China Ltd. Pledgor: WUXI ZHOUXIANG LASER MACHINERY Co.,Ltd. Registration number: Y2021320010049 |
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Date of cancellation: 20211015 Granted publication date: 20201110 Pledgee: Wuxi Xishan sub branch of Bank of China Ltd. Pledgor: WUXI ZHOUXIANG LASER MACHINERY Co.,Ltd. Registration number: Y2021320010049 |
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Denomination of invention: A rapid piercing process for medium thick stainless steel plate Effective date of registration: 20211018 Granted publication date: 20201110 Pledgee: Wuxi Xishan sub branch of Bank of China Ltd. Pledgor: WUXI ZHOUXIANG LASER MACHINERY Co.,Ltd. Registration number: Y2021980010832 |
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Date of cancellation: 20230331 Granted publication date: 20201110 Pledgee: Wuxi Xishan sub branch of Bank of China Ltd. Pledgor: WUXI ZHOUXIANG LASER MACHINERY Co.,Ltd. Registration number: Y2021980010832 |
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Denomination of invention: A Fast Piercing Process for Medium Thick Stainless Steel Plate Effective date of registration: 20230403 Granted publication date: 20201110 Pledgee: Wuxi Xishan sub branch of Bank of China Ltd. Pledgor: WUXI ZHOUXIANG LASER MACHINERY Co.,Ltd. Registration number: Y2023980037292 |
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