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1. 发明授权

US07067762B2 Plasma cutting process and machine 有权
标题翻译：等离子切割工艺和机器
公开(公告)号：US07067762B2
公开(公告)日：2006-06-27
申请号：US10723796
申请日：2003-11-25
申请人： Yoshihiro Yamaguchi , Tetsuya Kabata , Kazuhiro Kuraoka , Takahiro Iriyama
发明人： Yoshihiro Yamaguchi , Tetsuya Kabata , Kazuhiro Kuraoka , Takahiro Iriyama
IPC分类号： B23K10/00
CPC分类号： B23K10/00 , B23K10/006
摘要： A plasma cutting machine is provided in which a dross adhesion inhibitor is jetted from a plasma torch toward the cutting start position (piercing position) of the object material. A dross adhesion inhibitor supply flow path for feeding the dross adhesion inhibitor is connected to an assist gas feeding line in which an assist gas for assisting cutting of the object material with the plasma arc flows.
摘要翻译：提供了一种等离子体切割机，其中从等离子体焰炬向目标材料的切割开始位置（刺穿位置）喷射浮渣粘附抑制剂。用于供给浮渣粘附抑制剂的浮渣粘附抑制剂供给流路连接到辅助气体供给管线，其中辅助气体用于辅助用等离子体电弧切割物体材料。

2. 发明授权

US06583378B1 Plasma machining electrode and plasma machining device 失效
标题翻译：等离子体加工电极和等离子体加工装置
公开(公告)号：US06583378B1
公开(公告)日：2003-06-24
申请号：US09717140
申请日：2000-11-22
申请人： Yoshihiro Yamaguchi , Kazuhiro Kuraoka , Tetsuya Kabata
发明人： Yoshihiro Yamaguchi , Kazuhiro Kuraoka , Tetsuya Kabata
IPC分类号： B23K1000
CPC分类号： H05H1/34 , H05H2001/3442
摘要： The invention prolongs the electrode lifetime of plasma machining electrodes having a hafnium or zirconium insert. A hafnium or zirconium insert 21 inserted into the tip of a copper holder 22 protrudes from the tip of the copper holder 22. The protrusion length L is not larger than the diameter D of the insert, preferably not larger than 0.5 mm. The protruding portion 21a of the insert has a rounded section without sharp angles. The rear surface 21 of the insert is exposed to the flow of the cooling water inside the electrode. At least during the generation of the pilot arc, a plasma gas containing at least 5 mol % nitrogen is used.
摘要翻译：本发明延长了具有铪或锆插入物的等离子体加工电极的电极寿命。插入铜保持器22的尖端的铪或锆插入件21从铜保持器22的前端突出。突出长度L不大于插入件的直径D，优选不大于0.5mm。插入件的突出部分21a具有没有锐角的圆形部分。插入件的后表面21暴露于电极内的冷却水的流动。至少在导电弧的产生期间，使用含有至少5mol％氮的等离子体气体。

3. 发明授权

US06933463B2 Main arc ignition device and main arc ignition control method of plasma cutting machine 失效
标题翻译：等离子切割机的主弧点火装置和主弧点火控制方法
公开(公告)号：US06933463B2
公开(公告)日：2005-08-23
申请号：US10348887
申请日：2003-01-22
申请人： Yoshihiro Yamaguchi , Takahiro Iriyama , Tetsuya Kabata
发明人： Yoshihiro Yamaguchi , Takahiro Iriyama , Tetsuya Kabata
IPC分类号： B23K10/00 , H05H1/36 , B23K9/00
CPC分类号： H05H1/36
摘要： A main arc ignition method capable of extending lives of a plasma electrode and a nozzle. For this purpose, before or immediately after starting arc, a plasma torch is supplied with a plasma gas at least either at a lower flow rate or at lower gas pressure; the plasma gas is switched to a gas flow rate and gas pressure of a time of cutting a work, after pilot arc is ignited between an electrode and a nozzle, or after main arc is ignited between the electrode and the work; and when generation of the main arc between the electrode and the work is detected, a pilot current is interrupted promptly by a semiconductor switch which is interposed in series with a resistance, in a pilot current circuit that is connected to the nozzle and supplies the pilot current to the pilot arc.
摘要翻译：能够延长等离子体电极和喷嘴寿命的主弧点火方法。为此，在启动电弧之前或之后，等离子体焰炬至少以较低的流量或较低的气体压力供应等离子体气体; 在电极和喷嘴之间引燃电弧点火之后，或者在电极和工件之间点燃主电弧之后，将等离子体气体切换到气体流速和切割工件时间的气体压力; 并且当检测到电极和工件之间的主电弧的产生时，通过连接到喷嘴的先导电流电路中的与电阻串联插入的半导体开关迅速地中断引导电流，并将导频当前到导频弧。

4. 发明授权

US06914209B2 Plasma arc machining method 失效
标题翻译：等离子弧加工方法
公开(公告)号：US06914209B2
公开(公告)日：2005-07-05
申请号：US10733490
申请日：2003-12-10
申请人： Yoshihiro Yamaguchi , Tetsuya Kabata , Takahiro Iriyama
发明人： Yoshihiro Yamaguchi , Tetsuya Kabata , Takahiro Iriyama
IPC分类号： B23K10/00
CPC分类号： B23K10/006
摘要： Not only damage to a nozzle caused by spatter generated during piercing is prevented but also the deterioration of the nozzle owing to a pilot arc is restrained, whereby the service life of the nozzle is significantly increased. To this end, the plasma torch is positioned at an initial level which is the distance between the plasma torch and a steel plate when generating a plasma arc to start piercing operation and which has been set equal to a cutting level which is the distance between the plasma torch and the steel plate when carrying out cutting operation. After generation of the plasma arc, the plasma torch is immediately raised to a piercing level which is more distant from the steel plate W than the initial level and piercing operation is performed at the piercing level. After completion of the piercing operation, the plasma torch is lowered to the cutting level to start cutting operation. Just after transfer from a pilot arc into a main arc, a pilot current is cut off by turning a transistor off.
摘要翻译：不仅防止了在穿刺期间产生的飞溅造成的喷嘴损坏，而且由于引导电弧引起的喷嘴劣化也受到限制，从而喷嘴的使用寿命显着增加。为此，等离子体焰炬位于等离子体焰炬和钢板之间的距离的初始水平，当等离子体电弧产生等离子体电弧以开始穿孔操作时，等离子体焰炬被设定为等于切割水平等离子火炬和钢板进行切割操作。在等离子体电弧产生之后，等离子体焰炬立即升高到与初始水平相比更远离钢板W的穿透水平，并且在穿孔水平进行刺穿操作。在穿孔操作完成之后，等离子体焰炬降低到切割水平以开始切割操作。在从导电电弧转移到主电弧之后，通过关闭晶体管来切断导通电流。

5. 发明授权

US06933462B2 Plasma processing apparatus for monitoring and storing lifetime usage data of a plurality of interchangeable parts 失效
标题翻译：一种用于监视和存储多个可互换部件的使用寿命的等离子体处理装置
公开(公告)号：US06933462B2
公开(公告)日：2005-08-23
申请号：US10757682
申请日：2004-01-13
申请人： Takahiro Iriyama , Yoshihiro Yamaguchi , Tetsuya Kabata
发明人： Takahiro Iriyama , Yoshihiro Yamaguchi , Tetsuya Kabata
IPC分类号： H05H1/32 , B23K10/00 , H05H1/26 , H05H1/34 , H05H1/36
CPC分类号： H05H1/36 , H05H1/26 , H05H2001/3494
摘要： A plasma processing apparatus capable of making an accurate lifetime assessment for each of plural consumable parts (the definition of “the consumable part” is an electrode and/or a nozzle) so that effective use of the consumable parts becomes possible leading to reduced running cost. In the plasma processing apparatus, a plasma arc is generated from a plasma torch composed of an electrode and a nozzle to perform plasma work on a workpiece. Such a plasma processing apparatus includes a plurality of consumable parts, each consumable part being an electrode and/or a nozzle, and further comprises a memory for storing consumption data on every consumable part, the consumption data being used for calculation of consumption; and a display unit for displaying consumption calculated by a CPU for selecting the consumption data corresponding to a consumable part in use.
摘要翻译：能够对多个消耗部件中的每一个进行准确的寿命评估的等离子体处理装置（“消耗部件”的定义是电极和/或喷嘴），从而可以有效地利用消耗部件，从而导致运行成本降低。在等离子体处理装置中，从由电极和喷嘴构成的等离子体焰炬产生等离子体电弧，对工件进行等离子体加工。这种等离子体处理装置包括多个消耗部件，每个可消耗部件是电极和/或喷嘴，并且还包括用于存储每个消耗部件上的消耗数据的存储器，所述消耗数据用于计算消耗; 以及显示单元，用于显示由CPU计算的消耗，用于选择与使用中的可消耗部件相对应的消耗数据。

6. 发明授权

US07087855B2 Plasma cutting apparatus and control unit thereof 有权
标题翻译：等离子切割装置及其控制单元
公开(公告)号：US07087855B2
公开(公告)日：2006-08-08
申请号：US10840676
申请日：2004-05-07
申请人： Yoshihiro Yamaguchi , Tetsuya Kabata
发明人： Yoshihiro Yamaguchi , Tetsuya Kabata
IPC分类号： B23K10/00
CPC分类号： B23K10/006 , B23K10/00
摘要： Cutting quality of the product, in particular, hole cutting quality, in plasma arc cutting is improved. A control unit, which controls a plasma cutting apparatus for cutting a product from a plate material by moving a plasma torch at a cutting speed along a cutting path corresponding to the product shape to cut the plate material, while supplying an arc current and a plasma gas to the plasma torch and forming a plasma arc from a nozzle of the plasma torch to the plate material, conducts control so that, when a hole is cut, a cutting speed is lower, a value of the arc current value is smaller, and a plasma gas flow rate or pressure is less than those when a contour is cut.
摘要翻译：提高了等离子弧切割中产品的切割质量，特别是切孔质量。控制单元，其控制等离子体切割设备，用于通过沿着与产品形状相对应的切割路径以切割速度移动等离子体焰炬来切割板材，同时提供电弧电流和等离子体从等离子体焰炬的喷嘴向板材形成等离子弧的气体进行控制，使得当切割孔时切割速度较低，电弧电流值的值较小，等离子体气体流量或压力小于切割轮廓时的流量或压力。

7. 发明申请

US20070241083A1 Multiple Thermal Cutting Device and Multiple Thermal Cutting Method 有权
标题翻译：多种热切割装置和多种热切割方法
公开(公告)号：US20070241083A1
公开(公告)日：2007-10-18
申请号：US11630141
申请日：2005-06-20
申请人： Yoshihiro Yamaguchi , Tetsuya Kabata , Ikuo Kamada
发明人： Yoshihiro Yamaguchi , Tetsuya Kabata , Ikuo Kamada
IPC分类号： B23K26/08 , B23K10/00
CPC分类号： B23P23/00 , B23K10/006 , B23K26/0093 , B23K26/0876 , B23K26/38 , B23K28/02 , B23K37/0229 , B23K37/0235 , B23K2101/18
摘要： A hybrid thermal cutting apparatus has both a laser head and a plasma torch, both of which can be controlled independently, can perform both laser processing and plasma processing, thus reducing the running costs. A large number of cutting lines for cutting out various types of manufactured products from plate materials are classified into a laser cutting type and a plasma cutting type, according to the cutting length, whether they are the external periphery of manufactured products or apertures, the size of the manufactured products or the apertures, the required process accuracy, the plate thickness, or the like. The lines of the laser cutting type are cut by laser processing, while the lines of the plasma cutting type are cut by plasma processing.
摘要翻译：混合热切割装置具有激光头和等离子体焰炬，它们都可以独立控制，可以进行激光加工和等离子体处理，从而降低运行成本。根据切割长度，无论是制造产品或孔的外围，大量用于从板材切割各种类型的制造产品的切割线分为激光切割型和等离子切割型，尺寸的制造产品或孔，所需的加工精度，板厚等。通过激光加工切割激光切割类型的线，而通过等离子体处理切割等离子体切割类型的线。

8. 发明申请

US20050035093A1 Plasma cutting apparatus and control unit thereof 有权
标题翻译：等离子切割装置及其控制单元
公开(公告)号：US20050035093A1
公开(公告)日：2005-02-17
申请号：US10840676
申请日：2004-05-07
申请人： Yoshihiro Yamaguchi , Tetsuya Kabata
发明人： Yoshihiro Yamaguchi , Tetsuya Kabata
IPC分类号： B23K10/00
CPC分类号： B23K10/006 , B23K10/00
摘要： Cutting quality of the product, in particular, hole cutting quality, in plasma arc cutting is improved. A control unit, which controls a plasma cutting apparatus for cutting a product from a plate material by moving a plasma torch at a cutting speed along a cutting path corresponding to the product shape to cut the plate material, while supplying an arc current and a plasma gas to the plasma torch and forming a plasma arc from a nozzle of the plasma torch to the plate material, conducts control so that, when a hole is cut, a cutting speed is lower, a value of the arc current value is smaller, and a plasma gas flow rate or pressure is less than those when a contour is cut.
摘要翻译：提高了等离子弧切割中产品的切割质量，特别是切孔质量。控制单元，其控制等离子体切割设备，用于通过沿着与产品形状相对应的切割路径以切割速度移动等离子体焰炬来切割板材，同时提供电弧电流和等离子体从等离子体焰炬的喷嘴向板材形成等离子弧的气体进行控制，使得当切割孔时切割速度较低，电弧电流值的值较小，等离子体气体流量或压力小于切割轮廓时的流量或压力。

9. 发明授权

US06664495B2 Thermal cutting machine and dust collecting method thereof 有权
标题翻译：热切割机及其集尘方法
公开(公告)号：US06664495B2
公开(公告)日：2003-12-16
申请号：US10266805
申请日：2002-10-08
申请人： Yoshihiro Yamaguchi , Tetsuya Kabata
发明人： Yoshihiro Yamaguchi , Tetsuya Kabata
IPC分类号： B23K900
CPC分类号： B23K37/0461 , B23K37/08
摘要： A thermal cutting machine and a dust collecting method capable of reducing in size and exhausting fumes and a high pressure gas efficiently. For this purpose, the thermal cutting machine includes a plurality of exhaust chambers (20) which are placed side by side inside a table (3), an exhaust port (23) provided at one end side of each of the exhaust chambers, an exhaust device (25) communicating with each of the exhaust ports, an opening and closing drive device (24b) for opening and closing each of the exhaust ports, an air blow port (21) provided at a position substantially opposing each of the exhaust ports, an air blow device (22) which blows air into the each air blow port (21), and a control device (6) for controlling the opening and closing drive device and the air blow device in synchronism with each other, or controlling them individually, correspondingly to a horizontal position of a torch (4) which is under cutting operation.
摘要翻译：一种能够有效地减小烟气和高压气体的热切割机和集尘方法。为此，热切割机包括并排放置在工作台（3）内的多个排气室（20），设置在每个排气室一端侧的排气口（23）与每个排气口连通的装置（25），用于打开和关闭每个排气口的打开和关闭驱动装置（24b），设置在大致相对于每个排气口的位置处的吹气口（21）将空气吹送到各吹气口（21）的吹气装置（22），以及用于相互同步地控制开闭驱动装置和送风装置的控制装置（6），或者分别对其进行控制对应于正在切割操作的割炬（4）的水平位置。

10. 发明授权

US07960669B2 Hybrid thermal cutting apparatus 有权
标题翻译：混合热切割装置
公开(公告)号：US07960669B2
公开(公告)日：2011-06-14
申请号：US11630141
申请日：2005-06-20
申请人： Yoshihiro Yamaguchi , Tetsuya Kabata , Ikuo Kamada
发明人： Yoshihiro Yamaguchi , Tetsuya Kabata , Ikuo Kamada
IPC分类号： B23K10/00 , B23K26/00
CPC分类号： B23P23/00 , B23K10/006 , B23K26/0093 , B23K26/0876 , B23K26/38 , B23K28/02 , B23K37/0229 , B23K37/0235 , B23K2101/18
摘要： A hybrid thermal cutting apparatus has both a laser head and a plasma torch, both of which can be controlled independently, can perform both laser processing and plasma processing, thus reducing the running costs. A large number of cutting lines for cutting out various types of manufactured products from plate materials are classified into a laser cutting type and a plasma cutting type, according to the cutting length, whether they are the external periphery of manufactured products or apertures, the size of the manufactured products or the apertures, the required process accuracy, the plate thickness, or the like. The lines of the laser cutting type are cut by laser processing, while the lines of the plasma cutting type are cut by plasma processing.
摘要翻译：混合热切割装置具有激光头和等离子体焰炬，它们都可以独立控制，可以进行激光加工和等离子体处理，从而降低运行成本。根据切割长度，无论是制造产品或孔的外围，大量用于从板材切割各种类型的制造产品的切割线分为激光切割型和等离子切割型，尺寸的制造产品或孔，所需的加工精度，板厚等。通过激光加工切割激光切割类型的线，而通过等离子体处理切割等离子体切割类型的线。

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