JPS63295091A - Exhauster for laser beam machine - Google Patents
Exhauster for laser beam machineInfo
- Publication number
- JPS63295091A JPS63295091A JP62128880A JP12888087A JPS63295091A JP S63295091 A JPS63295091 A JP S63295091A JP 62128880 A JP62128880 A JP 62128880A JP 12888087 A JP12888087 A JP 12888087A JP S63295091 A JPS63295091 A JP S63295091A
- Authority
- JP
- Japan
- Prior art keywords
- flow
- blower
- smoke
- cloth
- vertical flow
- 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.)
- Granted
Links
- 239000000779 smoke Substances 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 abstract description 26
- 238000011144 upstream manufacturing Methods 0.000 abstract description 14
- 238000003754 machining Methods 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007788 roughening 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
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/1462—Nozzles; Features related to nozzles
- B23K26/1494—Maintenance of nozzles
-
- 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
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は、レーザ光の走査を行うことによって、被加
工物、例えば生地又は皮革等を加工するレーザ加工装置
の加工部で発生する煙を除去するための排煙装置に関す
るものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention eliminates smoke generated in the processing section of a laser processing device that processes a workpiece, such as fabric or leather, by scanning a laser beam. This relates to a smoke evacuation device for removing smoke.
［従来の技術〕
従来、この種の装置として第３図に示すもの（特願昭６
２−１０４９８号）があった０図において、符号１は支
持台であり、この図ではコンベアの場合が示されている
。このコンベア１上には被加工物である生地２が支持さ
れている。３は生地２に対してレーザ光を２次元的に走
査しつつ照射することによって生地２を切断その他加工
するためのレーザ光射出用揺動ミラーである。４は、レ
ーザ加工装置に設けられ、レーザ光が照射される生地２
の加工部を覆って加工室５を形成するカバー、６は、こ
の加工室５内のコンベア１上に通気流（平行流Ａ）を生
成させるために加工室５に設けられた送風装置である。[Prior art] Conventionally, this type of device is shown in Fig. 3 (patent application filed in 1983).
2-10498), reference numeral 1 is a support stand, and this figure shows the case of a conveyor. A fabric 2, which is a workpiece, is supported on the conveyor 1. Reference numeral 3 denotes a laser beam emitting swing mirror for cutting or other processing of the fabric 2 by irradiating the fabric 2 with a laser beam while scanning the fabric 2 two-dimensionally. 4 is a fabric 2 that is installed in the laser processing device and is irradiated with laser light.
A cover 6 that covers the processing section to form the processing chamber 5 is an air blower installed in the processing chamber 5 to generate a ventilation flow (parallel flow A) on the conveyor 1 in the processing chamber 5. .
この送風装置６は加工室５の外部から空気Ｂを取り入れ
、この空気を排出して通気流を生成させるための上流側
送風機７と、この通気流を吸い込んで加工室５の外部に
排出下るだめの下流側送風機８と、この下流側送風機８
とはダクト９で接続され、該下流側送風！ＦＵ８からの
排出空気をダクト１０を介して外部に排出するための排
風機１１から構成されている。This blower device 6 includes an upstream side blower 7 for taking in air B from outside the processing chamber 5 and discharging this air to generate a ventilation flow, and an upstream side blower 7 for sucking in this ventilation flow and discharging it to the outside of the processing chamber 5. downstream side blower 8 and this downstream side blower 8
It is connected with duct 9, and the downstream side air blower! It is comprised of an exhaust fan 11 for discharging the exhaust air from the FU 8 to the outside via a duct 10.
次に動作について説明する。まず、上流側送風機７と下
流側送風機８の間に、第３図に示すような通気流（平行
流Ａ）をコンベア！上に生成させる。この通気ｆｍ Ａ
は、加工部位から発生する煙を直ちに除去するために、
なるべく生地２の表面近くに沿って生成するようにして
おく必要がある。Next, the operation will be explained. First, between the upstream side blower 7 and the downstream side blower 8, a ventilation flow (parallel flow A) as shown in FIG. Generate above. This ventilation fm A
In order to immediately remove smoke generated from the processing area,
It is necessary to generate it as close to the surface of the dough 2 as possible.
送風機７．８及び排風機１１を運転することにより、加
工室５外部の空気Ｂ−上上流側送風機７適−ダクト１〇
−排気Ｃの如き第３図の矢印で示すような空気の流れが
形成される。この状態下でレーザ加工装置を動作させて
、ミラー３からコンベア１上の生地２にレーザ光を２次
元的に走査しつつ照射すると、該生地２の加工部からは
煙が発生するが、この煙は上記通気？Ｆｔ＋ Ａにより
直ちに加工部から除去されると共に、図中の矢印で示す
空気流と共に運ばれて加工室５の外部に排気Ｃとして排
出される。By operating the blower 7.8 and the exhaust fan 11, air flows from the air B outside the processing chamber 5 to the upstream blower 7 to the duct 10 to the exhaust C as shown by the arrows in Figure 3. It is formed. When the laser processing device is operated under this condition and the laser beam is irradiated from the mirror 3 to the fabric 2 on the conveyor 1 while scanning it two-dimensionally, smoke is generated from the processed part of the fabric 2. Is the smoke due to the above ventilation? It is immediately removed from the machining section by Ft+ A, and is carried along with the air flow shown by the arrow in the figure and discharged as exhaust gas C to the outside of the machining chamber 5.
［発明が解決しようとする問題点コ
従来の装置は以上のように構成されているので、コンベ
アｉ上の生地２が、その表面上に沿って流れる通気流に
よってばたつき、精度のよい加工ができないばかりでな
く、切断加工の場合はすでに加工された生地が通気流に
より舞い上がり、次に加工すべぎ部分を覆う等、加工不
良となる欠点があった．更に、上記した従来のものでは
、通気風量が多量となり、排ガス処理装置を設置する際
には、該排ガス処理装置の大型化に加え運転費が高価に
なる等の欠点があった。[Problems to be Solved by the Invention] Since the conventional apparatus is configured as described above, the fabric 2 on the conveyor i fluctuates due to the airflow flowing along its surface, making it impossible to process it with high precision. In addition, when cutting, the fabric that has already been processed flies up due to the ventilation flow and covers the area to be processed next, resulting in poor processing. Further, in the above-mentioned conventional system, the amount of ventilation air is large, and when an exhaust gas treatment device is installed, the exhaust gas treatment device becomes large in size and operating costs are high.
この発明は、上記のような問題点を解消するためになさ
れたもので、加工時に被加工物が動かないように支持台
に固定すると共に、発生する煙を速やかに除去すること
ができるレーデ加工装置用の排煙装置を得ることを主目
的とし、さらに上記に加えて排気風量を少なくできるレ
ーザ加工装置用の排煙装置を得ることをも目的としてい
る。This invention was made in order to solve the above-mentioned problems, and it is possible to fix the workpiece to a support stand so that it does not move during processing, and to quickly remove generated smoke. The main objective is to obtain a smoke evacuation device for a laser processing device, and in addition to the above, it is also an object to obtain a smoke evacuation device for a laser processing device that can reduce the amount of exhaust air.
ｃ問題点を解決するための手段］
この発明に係るレーザ加工装置用の排煙装置は、前述の
目的を達成するために、レーザ光を支持台上に支持され
た被加工物に照射することによって該被加工物を加工す
るレーザ加工装置用の煙除去装置において、該被加工物
の平面に対し、平行流及び下向き垂直流の双方を生成さ
せる送風装置（好ましくは循環装置を含む）を備えたも
のである。C. Means for Solving Problems] In order to achieve the above-mentioned object, the smoke evacuation device for a laser processing device according to the present invention irradiates a workpiece supported on a support stand with laser light. A smoke removal device for a laser processing device that processes the workpiece by means of a blower device (preferably including a circulation device) that generates both a parallel flow and a downward perpendicular flow with respect to the plane of the workpiece. It is something that
［作用］
この発明においては、送風装置が支持台上の被加工物平
面に対して平行流及び下向き垂直流の双方を生成させ、
加工部から発生した煙を該平行流及び垂直流によって速
やかに除去すると共に、下向きの垂直流によって被加工
物を支持台上に固定する。さらに平行流及び垂直流の一
部を被加工物を境にして循環させる場合は総排気量が少
なくなる。[Function] In the present invention, the blowing device generates both a parallel flow and a downward perpendicular flow to the plane of the workpiece on the support table,
Smoke generated from the processing section is quickly removed by the parallel flow and the vertical flow, and the workpiece is fixed on the support table by the downward vertical flow. Furthermore, when part of the parallel flow and perpendicular flow is circulated across the workpiece, the total displacement is reduced.
［実施例］
以下、この発明の一実施例を図について説明する。第１
図において、符号１２は被加工物である生地２を支持し
、かつ平面方向に通気可能な構造を有するメツシュコン
ベア、１３は上部（メツシュコンベア側）開放型の吸引
フードである。該吸引フードの上面開口はメツシュコン
ベア１２の下面に近接して設置されており、ダクト９ａ
により排風機１１に接続されている．その他の符号及び
記号は第３図のものと同一または相当部分を示す。[Example] Hereinafter, an example of the present invention will be described with reference to the drawings. 1st
In the figure, reference numeral 12 is a mesh conveyor that supports the fabric 2 as the workpiece and has a structure that allows ventilation in the plane direction, and 13 is a suction hood that is open at the top (on the side of the mesh conveyor). The upper surface opening of the suction hood is installed close to the lower surface of the mesh conveyor 12, and is connected to the duct 9a.
It is connected to the exhaust fan 11 by. Other symbols and symbols indicate the same or corresponding parts as those in FIG. 3.
次に動作について説明する．まず、送風装置６の上流側
送風機フ及び下流側送風機８を動作させ、メツシュコン
ベア１２上に支持された生地２の上部に平行流Ａを生成
させると共に、排風機１１を動作させ、上流側送風ａ１
７により導入された外部空気Ｂの一部を吸引フード１３
から吸引し、該生地２の面に下向きの垂直流りを生成さ
せる。Next, we will explain the operation. First, the upstream side blower F and the downstream side blower 8 of the blower device 6 are operated to generate a parallel flow A above the fabric 2 supported on the mesh conveyor 12, and the blower 11 is operated, and the upstream side blower 8 is operated. Air blower a1
A part of the external air B introduced by 7 is sucked into the hood 13
A downward vertical flow is generated on the surface of the fabric 2.
次に、レーザ加工装置を動作させ、ミラー３からメツシ
ュコンベア１２上に支持された生地２にレーザ光を２次
元的に走査しつつ照射する．この際、該生地２の加工部
からは煙が発生するが、この煙は上記平行流Ａ及び垂直
流りにより直ちに除去される。また、該垂直流りにより
被加工物である生地２が該垂直流りの風量と該生地の摩
擦により生ずる圧力損失（風圧）によりメツシュコンヘ
ア１２上に押し付けられ、固定される。その他の動作は
前記した第３図のものと同様である。Next, the laser processing device is operated to irradiate the fabric 2 supported on the mesh conveyor 12 with laser light from the mirror 3 while scanning it two-dimensionally. At this time, smoke is generated from the processed portion of the dough 2, but this smoke is immediately removed by the parallel flow A and the perpendicular flow. Further, due to the vertical flow, the fabric 2, which is the workpiece, is pressed onto the mesh con hair 12 and fixed due to the pressure loss (wind pressure) caused by the air volume of the vertical flow and the friction of the fabric. Other operations are similar to those shown in FIG. 3 described above.
上記したように、この実施例によれば加工部から発生す
る煙を平行流Ａ及び垂直流りにより除去するようにした
ので、該垂直流りにより被加工物が支持台上に固定され
ると共に、加工時に発生した煙を速やかに除去できるの
で、加工精度がよくなる。As described above, according to this embodiment, the smoke generated from the processing section is removed by the parallel flow A and the vertical flow, so that the workpiece is fixed on the support table by the vertical flow. , Since smoke generated during processing can be quickly removed, processing accuracy is improved.
第２図は、他の実施例を示すものである。第２図におい
て、符号１４は上部開放型の循環槽であり、該循環槽の
上部はメツシュコンベア１２に近接して設置されている
。また、この循環槽１４の一方には上流側送風機７の吸
引口が、対面する他の一方には下流側送風機８の排出口
がそれぞれ接続されており、加工室５及び循環槽１４内
の空気が上流側送風機７及び下流側送風機已により循環
する構造となっている。FIG. 2 shows another embodiment. In FIG. 2, reference numeral 14 denotes a top-open type circulation tank, and the top of the circulation tank is installed close to the mesh conveyor 12. Further, a suction port of an upstream blower 7 is connected to one side of the circulation tank 14, and a discharge port of a downstream blower 8 is connected to the other side facing each other. The structure is such that the air is circulated by the upstream side blower 7 and the downstream side blower.
その他の符号及び記号は第３図と同一または相当部分を
示す。Other symbols and symbols indicate the same or corresponding parts as in FIG. 3.
次に動作について説明する。まず、送風装置６の上流側
送風機７、下流側送風機８及び排風機１１を動作させ、
メツシュコンベア１２上に支持された被加工物である生
地２の面に対し、平行流Ａ′ＥＬび下向き垂直流りを生
成させると共に、循環槽１４とダクト９で接続された排
風機１１により循環空気の一部をダクト１０を介して加
工部５の外へ排気Ｃとして放出する。この排気風量が、
カバー４の上部に設けられたスリット１５から供給され
る導入空気Ｂの導入風量であり、かつ該生地２の面に対
する垂直向風量となる。次に、レーザ加工装置を動作さ
せ、ミラー３からメツシュコンベア１２上の生地２にレ
ーザ光を２次元的に走査しつつ照射する。この際、該生
地２の加工部から煙が発生するが、この煙は上記の平行
流Ａ及び垂直流りにより直ちに加工部から除去され、循
環槽１４内に吸引される。該循環槽内の空気は排風機１
１により外部へ排気Ｃとして放出されるが、その一部は
上流側送風機７により平行流Ａとして循環される。また
、排気Ｃとして放出される風量は、スリット１５から新
たに導入空気Ｂとして吸引される風量と同量である。Next, the operation will be explained. First, the upstream side blower 7, downstream side blower 8, and exhaust fan 11 of the blower device 6 are operated,
A parallel flow A'EL and a downward vertical flow are generated on the surface of the fabric 2, which is a workpiece supported on a mesh conveyor 12, and an exhaust fan 11 connected to a circulation tank 14 and a duct 9 generates a parallel flow A'EL and a downward vertical flow. A part of the circulating air is discharged as exhaust C to the outside of the processing section 5 through the duct 10. This exhaust air volume is
This is the amount of introduced air B supplied from the slit 15 provided at the top of the cover 4, and is the amount of air perpendicular to the surface of the fabric 2. Next, the laser processing device is operated to irradiate the cloth 2 on the mesh conveyor 12 with laser light while scanning it two-dimensionally from the mirror 3. At this time, smoke is generated from the processed portion of the dough 2, but this smoke is immediately removed from the processed portion by the above-mentioned parallel flow A and perpendicular flow and sucked into the circulation tank 14. The air in the circulation tank is removed by exhaust fan 1.
1 is discharged to the outside as exhaust gas C, but a part of it is circulated as parallel flow A by the upstream blower 7. Further, the amount of air discharged as exhaust gas C is the same as the amount of air newly sucked in as air B from the slit 15.
尚、上記した実施例では、平行流Ａを生成させるために
、上流側送風機７と下流側送風機８を用いたが、どちら
か一方の送風機のみでも同様の効果を奏する。また排気
Ｃを外部に放出するために、排風ｍ１１を循環槽１４の
後段に設けたが、カバー４に送風機として設け、スリッ
ト１５を閉じて代りに導入空気Ｂを該送風機により加工
室５内に吹き込む構成としても同様の効果が得られる。In the above-described embodiment, the upstream blower 7 and the downstream blower 8 are used to generate the parallel flow A, but the same effect can be obtained by using only one of the blowers. Further, in order to release the exhaust gas C to the outside, an exhaust air m11 is provided at the rear stage of the circulation tank 14, but the cover 4 is provided as a blower, the slit 15 is closed, and the introduced air B is instead fed into the processing chamber 5 by the blower. A similar effect can be obtained by blowing into the air.
これらの変形は、加工生地の通気性や加工内容（表面凹
凸加工、裁断加工）などに応じて適宜選択すればよい。These modifications may be appropriately selected depending on the air permeability of the processed fabric, processing details (surface roughening processing, cutting processing), and the like.
また、上記実施例では、支持台としてメツシュコンベア
を用いた例を示したが、支持台平面に対し通気可能な構
造、例えばハニカムタイプ、フィンタイプ等でも実施で
きる。Furthermore, in the above embodiments, a mesh conveyor is used as the support, but a structure that allows ventilation to the plane of the support, such as a honeycomb type or a fin type, may also be used.
［発明の効果］
以上のように、この発明によれば、加工部から発生する
煙を平行流Ａ及び下向流（垂直流Ｄ）により除去するよ
うに構成したから、発生した煙を速やかに除去できると
共に、垂直流りにより被加工物が支持台に固定され、加
工精度がよくなる。[Effects of the Invention] As described above, according to the present invention, since the smoke generated from the processing part is removed by the parallel flow A and the downward flow (vertical flow D), the generated smoke can be quickly removed. In addition to being able to be removed, the workpiece is fixed to the support table due to the vertical flow, improving machining accuracy.
また、この発明では、平行流Ａを循環使用することもで
きるので、この場合には総排気量を少なくすることがで
き、この発明の後段にガス処理装置を付帯する際には、
処理風量が少なくなり、小型化ができる等、極めて犬な
る効果を奏する。In addition, in this invention, the parallel flow A can be used for circulation, so in this case, the total displacement can be reduced.
It has extremely beneficial effects, such as reducing the amount of air to be processed and making it more compact.
第１図はこの発明の一実施例を示すレーザ加工装置用排
煙装置の構成図、第２図は他の実施例を示すレーザ加工
装置用排煙装置の構成図、第３図は従来のレーザ加工装
置用排煙装置の構成図である。
図において、符号２は生地、３はミラー、４はカバー、
５は加工室、６は送風装置、７は上流側送風機、８は下
流側送風機１機、９．９ａ、１０はダクト、１１は排送
風機、１２はメツシュコンヘア、１３は吸引フード、１
４は循環槽である。Fig. 1 is a block diagram of a smoke evacuation device for a laser processing machine showing one embodiment of the present invention, Fig. 2 is a block diagram of a smoke evacuation device for a laser processing machine showing another embodiment, and Fig. 3 is a diagram of a conventional smoke evacuation system. It is a block diagram of the smoke exhaust device for laser processing equipment. In the figure, 2 is fabric, 3 is a mirror, 4 is a cover,
5 is a processing room, 6 is a blower, 7 is an upstream side blower, 8 is one downstream side blower, 9.9a, 10 is a duct, 11 is an exhaust blower, 12 is a mesh cone hair, 13 is a suction hood, 1
4 is a circulation tank.
Claims (2)
することによって該被加工物を加工するレーザ加工装置
の排煙装置において、該被加工物に対して、平行流及び
被加工物を支持台に押つける方向の垂直流を生成させる
送風手段を備えたことを特徴とするレーザ加工装置用の
排煙装置。(1) In a smoke exhaust device of a laser processing device that processes a workpiece supported on a support table by irradiating the workpiece with a laser beam, parallel flow and A smoke evacuation device for a laser processing device, characterized in that it is equipped with an air blower that generates a vertical flow in the direction of pressing an object against a support stand.
循環手段を含む特許請求の範囲第１項に記載のレーザ加
工装置用の排煙装置。(2) A smoke evacuation device for a laser processing apparatus according to claim 1, wherein the blowing means includes a circulation means for circulating part of the parallel flow and the vertical flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62128880A JPS63295091A (en) | 1987-05-26 | 1987-05-26 | Exhauster for laser beam machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62128880A JPS63295091A (en) | 1987-05-26 | 1987-05-26 | Exhauster for laser beam machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63295091A true JPS63295091A (en) | 1988-12-01 |
| JPH033552B2 JPH033552B2 (en) | 1991-01-18 |
Family
ID=14995637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62128880A Granted JPS63295091A (en) | 1987-05-26 | 1987-05-26 | Exhauster for laser beam machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63295091A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5906760A (en) * | 1997-11-04 | 1999-05-25 | Robb; David K. | Exhaust system for a laser cutting device |
| EP1213085A2 (en) * | 2000-12-05 | 2002-06-12 | EVG Entwicklungs- u. Verwertungs- Gesellschaft m.b.H. | Method for welding a wire mesh grid |
| JP2008023548A (en) * | 2006-07-19 | 2008-02-07 | Apic Yamada Corp | Cutting apparatus |
| WO2012104074A1 (en) * | 2011-02-01 | 2012-08-09 | Trumpf Laser- Und Systemtechnik Gmbh | Laser machining system having an exhaust |
| CN105798472A (en) * | 2016-04-01 | 2016-07-27 | 苏州恩欧西智能科技有限公司 | Dustproof cover of laser marking machine |
-
1987
- 1987-05-26 JP JP62128880A patent/JPS63295091A/en active Granted
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5906760A (en) * | 1997-11-04 | 1999-05-25 | Robb; David K. | Exhaust system for a laser cutting device |
| EP1213085A2 (en) * | 2000-12-05 | 2002-06-12 | EVG Entwicklungs- u. Verwertungs- Gesellschaft m.b.H. | Method for welding a wire mesh grid |
| EP1213085A3 (en) * | 2000-12-05 | 2003-10-01 | EVG Entwicklungs- u. Verwertungs- Gesellschaft m.b.H. | Method for welding a wire mesh grid |
| JP2008023548A (en) * | 2006-07-19 | 2008-02-07 | Apic Yamada Corp | Cutting apparatus |
| WO2012104074A1 (en) * | 2011-02-01 | 2012-08-09 | Trumpf Laser- Und Systemtechnik Gmbh | Laser machining system having an exhaust |
| CN103338892A (en) * | 2011-02-01 | 2013-10-02 | 通快激光与系统工程有限公司 | Laser machining system having an exhaust |
| CN105798472A (en) * | 2016-04-01 | 2016-07-27 | 苏州恩欧西智能科技有限公司 | Dustproof cover of laser marking machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH033552B2 (en) | 1991-01-18 |
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