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1. 发明申请

US20180111225A1 DUAL GAS PIERCE USING COAXIAL AND DIRECTIONAL ASSIST 审中-公开
公开(公告)号：US20180111225A1
公开(公告)日：2018-04-26
申请号：US15792207
申请日：2017-10-24
申请人： Prima Power Laserdyne, LLC
发明人： Chris Rasmussen , Mohammed Naeem , Jacob Williams , Terrence Schmidt
IPC分类号： B23K26/14 , B23K26/38
CPC分类号： B23K26/1476 , B23K26/123 , B23K26/142 , B23K26/1464 , B23K26/147 , B23K26/38 , B23K26/382
摘要： A method and system is provided for laser piercing of thick plate material that allows for rapid transition to a cutting operation that can reliably produce a piercing hole and complete a cutting operation of the intended shape in a short time, while improving the cutting quality of the cutting after switching from the piercing operation. The cutting nozzle has a centrally located laser. The piercing operation applies a laser beam to the cut work while axially supplied pure oxygen gas is applied towards the cutting work. Additionally, a direction controlled nozzle adjacent the main cutting port provides a discharge of high pressure compressed air non-axially relative to the cutting operation to clear excess molten metal and debris from the kerf thereby increasing the efficiency of the piercing and shortening the cycle time.

2. 发明申请

US20160121427A1 CROSS JET LASER WELDING NOZZLE 审中-公开
标题翻译： CROSS JET激光焊接喷嘴
公开(公告)号：US20160121427A1
公开(公告)日：2016-05-05
申请号：US14529900
申请日：2014-10-31
申请人： Prima Power Laserdyne, LLC
发明人： Aaron Montello
IPC分类号： B23K26/14 , B23K26/20
CPC分类号： B23K26/1476 , B23K26/142 , B23K26/20 , B23K26/21
摘要： A compact nozzle for laser welding is provided that includes an air knife cross-jet to protect the laser optic, coaxially supplied process shield gas and active air cooling in a singular and compact nozzle. Generally, the nozzle includes a mounting interface at a first end to connect to the laser processing device. An air knife section is positioned adjacent the mounting interface and the optical output of the laser so that the air knife flow can protect the optic from plasma and spatter damage. Further the air flow in the air knife is directed through the nozzle for direct cooling. Adjacent the air knife is the process gas shield that is isolated from the air knife such that the process gas is not contaminated by flow from the air knife.
摘要翻译：提供用于激光焊接的紧凑喷嘴，其包括气刀交叉喷射以保护激光光学器件，同轴供应的过程保护气体和主动空气冷却在单个和紧凑的喷嘴中。通常，喷嘴包括在第一端处连接到激光加工装置的安装界面。气刀部分位于安装界面和激光器的光学输出附近，使得气刀流可以保护光学元件免受等离子体和溅射损坏。此外，气刀中的空气流通过喷嘴引导直接冷却。与气刀相邻的是与气刀隔离的工艺气体保护罩，使得工艺气体不会受到来自气刀的流动的污染。

3. 发明授权

US10926353B2 Dual gas pierce using coaxial and directional assist 有权
公开(公告)号：US10926353B2
公开(公告)日：2021-02-23
申请号：US15792207
申请日：2017-10-24
申请人： Prima Power Laserdyne, LLC
发明人： Chris Rasmussen , Mohammed Naeem , Jacob Williams , Terrence Schmidt
IPC分类号： B23K10/00 , B23K26/14 , B23K26/142 , B23K26/382 , B23K26/12 , B23K26/38
摘要： A method and system is provided for laser piercing of thick plate material that allows for rapid transition to a cutting operation that can reliably produce a piercing hole and complete a cutting operation of the intended shape in a short time, while improving the cutting quality of the cutting after switching from the piercing operation. The cutting nozzle has a centrally located laser. The piercing operation applies a laser beam to the cut work while axially supplied pure oxygen gas is applied towards the cutting work. Additionally, a direction controlled nozzle adjacent the main cutting port provides a discharge of high pressure compressed air non-axially relative to the cutting operation to clear excess molten metal and debris from the kerf thereby increasing the efficiency of the piercing and shortening the cycle time.

4. 发明授权

US11801572B2 Dual gas pierce using coaxial and directional assist 有权
公开(公告)号：US11801572B2
公开(公告)日：2023-10-31
申请号：US17146904
申请日：2021-01-12
申请人： Prima Power Laserdyne, LLC
发明人： Chris Rasmussen , Mohammed Naeem , Jacob Williams , Terence Schmidt
IPC分类号： B23K26/14 , B23K26/142 , B23K26/382 , B23K26/12 , B23K26/38
CPC分类号： B23K26/1476 , B23K26/123 , B23K26/142 , B23K26/147 , B23K26/1464 , B23K26/38 , B23K26/382
摘要： A method and system is provided for laser piercing of thick plate material that allows for rapid transition to a cutting operation that can reliably produce a piercing hole and complete a cutting operation of the intended shape in a short time, while improving the cutting quality of the cutting after switching from the piercing operation. The cutting nozzle has a centrally located laser. The piercing operation applies a laser beam to the cut work while axially supplied pure oxygen gas is applied towards the cutting work. Additionally, a direction controlled nozzle adjacent the main cutting port provides a discharge of high pressure compressed air non-axially relative to the cutting operation to clear excess molten metal and debris from the kerf thereby increasing the efficiency of the piercing and shortening the cycle time.

5. 发明申请

US20210129266A1 DUAL GAS PIERCE USING COAXIAL AND DIRECTIONAL ASSIST 有权
公开(公告)号：US20210129266A1
公开(公告)日：2021-05-06
申请号：US17146904
申请日：2021-01-12
申请人： Prima Power Laserdyne, LLC
发明人： Chris Rasmussen , Mohammed Naeem , Jacob Williams , Terrence Schmidt
IPC分类号： B23K26/14 , B23K26/142 , B23K26/382 , B23K26/12 , B23K26/38
摘要： A method and system is provided for laser piercing of thick plate material that allows for rapid transition to a cutting operation that can reliably produce a piercing hole and complete a cutting operation of the intended shape in a short time, while improving the cutting quality of the cutting after switching from the piercing operation. The cutting nozzle has a centrally located laser. The piercing operation applies a laser beam to the cut work while axially supplied pure oxygen gas is applied towards the cutting work. Additionally, a direction controlled nozzle adjacent the main cutting port provides a discharge of high pressure compressed air non-axially relative to the cutting operation to clear excess molten metal and debris from the kerf thereby increasing the efficiency of the piercing and shortening the cycle time.

6. 发明授权

US10335899B2 Cross jet laser welding nozzle 有权
公开(公告)号：US10335899B2
公开(公告)日：2019-07-02
申请号：US14529900
申请日：2014-10-31
申请人： Prima Power Laserdyne, LLC
发明人： Aaron Montello
IPC分类号： B23K26/14 , B23K26/20 , B23K26/142 , B23K26/21
摘要： A compact nozzle for laser welding is provided that includes an air knife cross-jet to protect the laser optic, coaxially supplied process shield gas and active air cooling in a singular and compact nozzle. Generally, the nozzle includes a mounting interface at a first end to connect to the laser processing device. An air knife section is positioned adjacent the mounting interface and the optical output of the laser so that the air knife flow can protect the optic from plasma and spatter damage. Further the air flow in the air knife is directed through the nozzle for direct cooling. Adjacent the air knife is the process gas shield that is isolated from the air knife such that the process gas is not contaminated by flow from the air knife.

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