CN105142844A - Torch for plasma cutting, plasma cutting power supply, and plasma cutting device - Google Patents
Torch for plasma cutting, plasma cutting power supply, and plasma cutting device Download PDFInfo
- Publication number
- CN105142844A CN105142844A CN201480018279.4A CN201480018279A CN105142844A CN 105142844 A CN105142844 A CN 105142844A CN 201480018279 A CN201480018279 A CN 201480018279A CN 105142844 A CN105142844 A CN 105142844A
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- terminal
- cable
- cutting torch
- plasma
- wiring
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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
- B23K10/00—Welding or cutting by means of a plasma
- B23K10/006—Control circuits therefor
-
- 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
- B23K10/00—Welding or cutting by means of a plasma
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/36—Circuit arrangements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Arc Welding In General (AREA)
- Plasma Technology (AREA)
- Arc Welding Control (AREA)
Abstract
The purpose of the present invention is to provide a plasma cutting device in which a reduction of lines is achieved, cable connecting operations are simplified, and which further has high stability during connecting operation. The constitution of the plasma cutting torch is such that this torch for plasma cutting (7) has an electrode (13), a first cable (8), a torch switch (12), a second cable (10), a tip (14), and a third cable (9). The first cable (8) is electrically connected to the electrode (13), and has a first terminal (25). The second cable (10) is electrically connected to the torch switch (12) and has a second terminal (22) and a third terminal (23). The tip (14) is separated from the electrode (13) and is constituted so as to surround the electrode (13). The third cable (9) is electrically connected to the tip, and is electrically connected with the second cable (10) in the connection part between the second terminal (22) and the torch switch (12).
Description
Technical field
The disclosure relates to plasma cut cutting torch, plasma cut power supply and plasma cutter, particularly relates to the Wiring structure of the inside of plasma cut cutting torch and plasma cut power supply.
Background technology
Plasma Welding is the use of the one of the arc welding of non-consumable electrode, especially, is ejection by becoming isoionic gas (working gas) and by the welding of electric arc densification.Plasma-arc is called by the electric arc of densification by by working gas.
Plasma cut is the plasma-arc by producing between plasma cut cutting torch and mother metal, carries out the processing method of the cutting of mother metal.Plasma-arc, by the cooling effect of working gas and eddy flow, mechanically to be shunk by the squit hole of the cutting torch front end of plasma cut cutting torch and by high temperature.Plasma cut by the melting of mother metal that utilizes plasma-arc and carry out and utilize working gas to carry out be melted after dispelling of mother metal mother metal is cut.In addition, in the inside of plasma cutting torch, create between electrode and cutting torch after leading arc, between electrode and mother metal, produce plasma-arc.
All the time, known a kind of plasma cutter (for example, referring to patent document 1) with plasma cut cutting torch and plasma cut power supply.
Fig. 3 is the figure of the concise and to the point formation representing existing plasma cutter.Fig. 4 is the figure of the concise and to the point formation of the circuit representing existing plasma cutter.
In figure 3, the compressor 102 that working gas compresses is connected with adjuster 103.The secondary pressure of working gas is adjusted to fixed value by adjuster 103.Then, working gas is directed to the inside of cutting power supply 104 from adjuster 103.
Adjuster 103 be arranged on cutting with the inside of power supply 104, by the starting of plasma-arc and stopping and the gas valve (not shown) be opened and closed be connected.Working gas flows via gas valve in the inside of cutting power supply 104.Gas valve is connected with the cooling cable 108 working gas being supplied to cutting torch leading section 101.
And then, cutting with power supply 104 be connected be connected with mother metal 105 mother metal cable 106, for applying the guiding cable 109 of high frequency to make striking good and there is the cutting torch switch cable 110 of cutting torch switch 112.
On the other hand, be connected with guiding cable 109, the cutting torch switch cable 110 in Self cleavage electricity consumption source 104 at plasma cutting torch 107 and cool cable 108.And working gas is provided to cutting torch leading section 101 via cooling cable 108.
As above, existing plasma cutter 111 is constituted.
Then, Fig. 4 is used, to the method for existing plasma cut with are described cutting power supply 104, mother metal 105 and connecting of plasma cutting torch 107.
The noncontact that the method for existing plasma cut has the contact that the cutting torch 114 of plasma cutting torch 107 is contacted with mother metal 105 to cut and make cutting torch 114 to leave from mother metal 105 is cut.
First, contact cutting is described.Initiating signal is produced by being connected by the cutting torch switch 112 of plasma cutting torch 107.According to the generation of initiating signal, relay is connected by the cutting controller 115 of power supply 104.In addition, relay is made up of coil 118a and contact 118b, if connected by relay, contact 118b becomes conducting state.Then, by radio-frequency generator 117, between cooling cable 108 and guiding cable 109, apply high frequency voltage.Thus, in the leading section of plasma cutting torch 107, produce between electrode 113 and the mother metal 105 contacted with cutting torch 114 and lead arc.Then, electric power is provided by plasma-arc power supply unit 116 between electrode 113 and mother metal 105.Thus, lead arc and develop into plasma-arc between electrode 113 and mother metal 105.In addition, controller 115 carrys out via the mother metal cable 106 be connected with mother metal 105 electric current that mother metal 105 is flow through in perception, and is disconnected by relay.That is, the contact 118b of relay disconnected and be set to nonconducting state.Thus, that radio-frequency generator 117 produces, between electrode 113 and cutting torch 114 high frequency voltage is no longer applied.
Then, about noncontact cutting, to contact the difference of cutting and be described.If apply high frequency voltage by radio-frequency generator 118 between cooling cable 108 and guiding cable 109, then in the leading section of plasma cutting torch 107, between electrode 113 and cutting torch 114, there is insulation breakdown, produce and lead arc.Then, electric power is provided by plasma-arc power supply unit 116 between electrode 113 and mother metal 105.Thus, lead arc and develop into plasma-arc between electrode 113 and mother metal 105.That is, the arc of leading between electrode 113 and cutting torch 114 changes plasma-arc between electrode 113 and mother metal 105 into.
Then, cutting power supply 104, mother metal 105 were described with being connected of plasma cutting torch 107.First, plasma cutting torch 107 is connected with cutting power supply 104 by cooling cable 108, these 3 kinds of cables of guiding cable 109 and cutting torch switch cable 110.Then, mother metal 105 is connected with cutting power supply 104 by mother metal cable 106.
At first technical literature
Patent document
Patent document 1:JP Unexamined Patent 3-114677 publication
Summary of the invention
In existing plasma cutter 111, plasma cutting torch 107 must be connected with cutting power supply 104 by cooling cable 108, these 3 kinds of cables of guiding cable 109 and cutting torch switch cable 110, very bothersome.In addition, owing to guiding the splicing ear portion 109a of cable 109 outside exposed, therefore in connection operation, must give one's full attention to and power supply is not connected by mistake and high frequency voltage is applied to splicing ear portion 9a.
In order to solve above-mentioned problem, plasma cut cutting torch of the present disclosure has electrode, the 1st cable, cutting torch switch, the 2nd cable, cutting torch and the 3rd cable.1st cable is electrically connected with electrode, and has the 1st terminal.2nd cable is electrically connected with cutting torch switch, and has the 2nd terminal and the 3rd terminal.Cutting torch and electrode separation, and surround electrode.3rd cable is electrically connected with cutting torch, and the connecting portion between the 2nd terminal and cutting torch switch, be electrically connected with the 2nd cable.
In addition, plasma cut power supply of the present disclosure has plasma-arc power supply unit, radio-frequency generator, controller and the 6th wiring.One end of plasma-arc power supply unit is connected with the 4th terminal by the 1st wiring.One end of radio-frequency generator is connected with the 5th terminal by the 2nd wiring, and the other end is connected with plasma-arc power supply unit by the 3rd wiring.Controller is connected with the 6th terminal by the 4th wiring, and is connected with the 7th terminal by the 5th wiring.1st wiring and the 5th are connected up and are connected via relay tip by the 6th wiring.The electric current of controller to the 1st wiring detects, and controls relay tip.
According to the disclosure, as long as these 2 kinds of cables of cooling cable and cutting torch switch cable are connected with plasma cut power supply by plasma cut cutting torch.Thus, in the present embodiment, as long as connect 2 kinds of cables, compared with the pastly can realize province's linearize, and the connection operation of cable can be simplified.And then the splicing ear portion of guiding cable 9 can not be outside exposed, the security connected in operation improves.
Accompanying drawing explanation
Fig. 1 is the figure of the concise and to the point formation of the plasma cutter represented in embodiment of the present disclosure 1.
Fig. 2 is the figure of the concise and to the point formation of the circuit of the plasma cutter represented in embodiment of the present disclosure 1.
Fig. 3 is the figure of the concise and to the point formation representing existing plasma cutter.
Fig. 4 is the figure of the concise and to the point formation of the circuit representing existing plasma cutter.
Detailed description of the invention
(embodiment 1)
Fig. 1 and Fig. 2 is utilized to be described embodiment of the present disclosure 1.Fig. 1 is the figure of the concise and to the point formation of the plasma cutter represented in present embodiment.Fig. 2 is the figure of the concise and to the point formation of the circuit of the plasma cutter represented in present embodiment.
In FIG, the compressor 2 working gas compressed be arranged on the adjuster 3 of plasma cut with the outside of power supply 4 and be connected.Adjuster 3 also can be arranged on the inside of plasma cut power supply 4.The pressure adjusting of the working gas provided from compressor 2 is fixing by adjuster 3.The working gas of level pressure is directed to the inside of plasma cut power supply 4 from adjuster 3.
Adjuster 3 be arranged on plasma cut with the inside of power supply 4, by the starting of plasma-arc and stopping and the gas valve (not shown) be opened and closed be connected.The working gas provided from adjuster 3 flows via gas valve in the inside of plasma cut power supply 4.Gas valve is connected with the cooling cable 8 (the 1st cable) of leading section working gas being sent to cutting torch main body 1.Cooling cable 8 has the gas line that makes working gas travels and both the cables as electrical wiring.
And then plasma cut power supply 4 has terminal 24,25,26,27.Terminal 24 is connected with the mother metal cable 6 being connected to mother metal 5.Terminal 25 is connected with the terminal 21 being connected with the cable cooling cable 8.Terminal 26,27 is connected with the terminal 22,23 of cutting torch switch cable 10 respectively.
Plasma cut cutting torch 7 has cutting torch main body 1, cooling cable 8 and cutting torch switch cable 10.Cutting torch main body 1 is connected with cooling cable 8 and cutting torch switch cable 10.Working gas is provided to the leading section of cutting torch main body 1 via the gas line cooling cable 8.
As above, by plasma cut cutting torch 7 and plasma cut power supply 4, the plasma cutter 11 of present embodiment is constituted.
Then, use Fig. 2, the method for article on plasma cutting and plasma cut power supply 4, mother metal 5, to be described with connecting of cutting torch 7 with plasma cut.
First, the structure of article on plasma cutting cutting torch 7 is described.
As shown in Figure 2, plasma cut cutting torch 7 has cooling cable 8 (the 1st cable), guides cable 9 (the 3rd cable), cutting torch switch cable 10 (the 2nd cable), cutting torch switch 12, electrode 13, cutting torch 14, high fdrequency component removal unit 19 (the 1st wave filter) and adverse current prevention unit 20.Electrode 13 and cutting torch 14 are arranged on the leading section of the cutting torch main body 1 of Fig. 1.
Cooling cable 8 has the gas line that makes working gas travels and the cable as electrical wiring.Electrode 13 is connected with terminal 21 by the cable of cooling cable 8, and terminal 21 is the splicing ears with plasma cut power supply 4.
Cable 9 is guided to be connected with cutting torch switch cable 10 by cutting torch 14.Cable 9 is guided to be accommodated in the inside of plasma cut cutting torch 7.
Terminal 22 is connected with terminal 23 by cutting torch switch cable 10, has high fdrequency component removal unit 19, adverse current prevention unit 20 and cutting torch switch 12 from terminal 22 side successively.Adverse current prevention unit 20 prevents the flowing from terminal 22 to the electric current of terminal 23, does not hinder the flowing to the electric current of terminal 22 from terminal 23.In addition, between terminal 22 and high fdrequency component removal unit 19, be connected with and guide cable 9 and cutting torch switch cable 10.Terminal 22,23 is the splicing ears with plasma cut power supply 4.High fdrequency component removal unit 19 is such as LC wave filter, and adverse current prevention unit 20 is such as diode.The order of connection of high fdrequency component removal unit 19 and adverse current prevention unit 20 also can be contrary.
Then, article on plasma cutting power supply 4 is described.As shown in Figure 2, plasma cut power supply 4 has controller 15, plasma-arc power supply unit 16, relay coil 18a, relay tip 18b, radio-frequency generator 17 and high fdrequency component removal unit 33.
Plasma-arc power supply unit 16 is connected with terminal 24 (the 4th terminal) by wiring 28 (the 1st wiring).Radio-frequency generator 17 is connected with terminal 25 (the 5th terminal) by wiring 29 (the 2nd wiring), and is connected with plasma-arc power supply unit 16 by wiring 30 (the 3rd wiring).In addition, wiring 28 is connected via capacitor with wiring 30.
Controller 15 is connected with relay coil 18a.The negative pole of controller 15 is connected with terminal 26 (the 6th terminal) by wiring 31 (the 4th wiring).The positive pole of controller 15 is connected with terminal 27 (the 7th terminal) by wiring 32.Wiring 31 has high fdrequency component removal unit 33 (the 2nd wave filter) on path.Wiring 31, between high fdrequency component removal unit 33 and terminal 26, is connected with wiring 28 via relay tip 18b.In addition, the electric current of controller 15 to wiring 28 detects, and controls the break-make of relay tip 18b.High fdrequency component removal unit 33 is such as LC wave filter.
The plasma cut terminal 24 of power supply 4 is connected with mother metal 5 via mother metal cable 6.The plasma cut terminal 25,26,27 of power supply 4 is connected with the terminal 21,22,23 of plasma cut cutting torch 7 respectively.
Then, the method for article on plasma cutting is described.Plasma cut is roughly divided into contact cutting and noncontact cuts these 2 kinds.
First, contact cutting is described.Initiating signal is produced by being connected by cutting torch switch 12.According to the generation of initiating signal, relay is connected by the plasma cut controller 15 of power supply 4.In addition, relay is made up of relay coil 18a and relay tip 18b, if connected by relay, relay tip 18b becomes conducting state.Then, by radio-frequency generator 17, apply high frequency voltage at cooling cable 8 with between plasma cut is with the guiding cable 9 be connected with the cathode side (negative side of controller 15) of cutting torch switch cable 10 in cutting torch 7.Thus, in the leading section of plasma cut with cutting torch 7, produce between electrode 13 and the mother metal 5 contacted with cutting torch 14 and lead arc.Then, electric power is provided by plasma-arc power supply unit 16 between electrode 13 and mother metal 5.Thus, lead arc and develop into plasma-arc between electrode 13 and mother metal 5.In addition, controller 15 is via the mother metal cable 6 be connected with mother metal 5 and connect up and 28 carry out the electric current that mother metal 5 is flow through in perception, and is disconnected by relay.That is, the relay tip 18b of relay disconnected and be set to nonconducting state.Thus, that radio-frequency generator 17 produces, between electrode 13 and cutting torch 14 high frequency voltage is no longer applied.
In addition, guiding cable 9, at plasma cut with in cutting torch 7, by being positioned at the tie point of the cathode side (negative side of controller 15) of cutting torch switch cable 10, being connected with cutting torch switch cable 10.In addition, cutting torch switch cable 10, from the tie point with guiding cable 9 towards cutting torch switch 12 side, is disposed with high fdrequency component removal unit 19 and adverse current prevention unit 20.Therefore, when producing high frequency voltage between electrode 13 and the mother metal 5 contacted with cutting torch 14, can prevent high fdrequency component from flowing to the anode-side (on controller 15 side of the positive electrode) of cutting torch switch cable 10.
In addition, in the inside of plasma cut with power supply 4, the plasma cut wiring 31 (negative side of controller 15) that cutting torch 7 is connected is being provided with high fdrequency component removal unit 33.Therefore, when producing high frequency voltage between electrode 13 and the mother metal 5 contacted with cutting torch 14, high fdrequency component is removed, and the signal that only cutting torch switch 12 produces is imported into controller 15.
Then, about noncontact cutting, to contact the difference of cutting and be described.If apply high frequency voltage by radio-frequency generator 17 between cooling cable 8 and guiding cable 9, then in the leading section of plasma cut with cutting torch 7, between electrode 13 and cutting torch 14, there is insulation breakdown, produce and lead arc.Then, by plasma-arc power supply unit 16, electric power is provided between electrode 13 and mother metal 5.Thus, lead arc and develop into plasma-arc between electrode 13 and mother metal 5.That is, the arc of leading between electrode 13 and cutting torch 14 changes plasma-arc between electrode 13 and mother metal 5 into.About the break-make etc. of relay, with contact cut same.
In addition, guiding cable 9, at plasma cut with in cutting torch 7, by being positioned at cathode side (negative side of the controller 15) tie point of cutting torch switch cable 10, being connected with cutting torch switch cable 10.In addition, cutting torch switch cable 10, from the tie point with guiding cable 9 towards cutting torch switch 12 side, is disposed with high fdrequency component removal unit 19 and adverse current prevention unit 20.Therefore, when producing high frequency voltage between electrode 13 and cutting torch 14, can prevent high fdrequency component from flowing to the anode-side (side of the positive electrode of controller 15) of cutting torch switch cable 10.
In addition, in the inside of plasma cut with power supply 4, the plasma cut wiring 31 (negative side of controller 15) that cutting torch 7 is connected is being provided with high fdrequency component removal unit 33.Therefore, when producing high frequency voltage between electrode 13 and cutting torch 14, high fdrequency component is removed, and the signal that only cutting torch switch 12 produces is imported into controller 15
Then, article on plasma cutting power supply 4, mother metal 5, be described with connecting of cutting torch 7 with plasma cut.As long as cooling cable 8 is connected with plasma cut power supply 4 with these the 2 kinds of cables of cutting torch switch cable 10 possessing the function guiding cable 9 by plasma cut cutting torch 7.That is, do not need guiding cable 9 to be connected with plasma cut power supply 4.Thus, in the present embodiment, as long as connect 2 kinds of cables, compared with the pastly can realize province's linearize, the connection operation of cable can be simplified.And then the splicing ear portion of guiding cable 9 can not be outside exposed, the security connected in operation uprises.
In addition, by mother metal cable 6, plasma cut is connected this point with power supply 4 and mother metal 5 same.
Industrial applicibility
According to the disclosure, by province's linearize of the cable in plasma cutter, thus operating efficiency and security improve, industrially useful.
Label declaration
1 cutting torch main body
2 compressors
3 adjusters
4 plasma cut power supplys
5 mother metals
6 mother metal cables
7 plasma cut cutting torches
8 cooling cables
9 guide cable
10 cutting torch switch cables
11 plasma cutters
12 cutting torch switches
13 electrodes
14 cutting torch
15 controllers
16 plasma-arc power supply units
17 radio-frequency generators
18a relay coil
18b relay tip
19 high fdrequency component removal units
20 adverse current prevention unit
21,22,23,24,25,26,27 terminals
28,29,30,31,32 wirings
33 high fdrequency component removal units
101 cutting torch leading sections
102 compressors
103 adjusters
104 cutting power supplys
105 mother metals
106 mother metal cables
107 plasma cutting torchs
108 cooling cables
109 guide cable
109a splicing ear portion
110 cutting torch switch cables
111 plasma cutters
112 cutting torch switches
113 electrodes
114 cutting torch
115 controllers
116 plasma-arc power supply units
117 radio-frequency generators
118 radio-frequency generators
118a coil
118b contact
Claims (7)
1. a plasma cut cutting torch, possesses:
Electrode;
1st cable, it is electrically connected with described electrode, and has the 1st terminal;
Cutting torch switch;
2nd cable, it is electrically connected with described cutting torch switch, and has the 2nd terminal and the 3rd terminal;
Cutting torch, itself and described electrode separation, and surround described electrode; With
3rd cable, it is electrically connected with described cutting torch,
The tie point of described 3rd cable between described 2nd terminal and described cutting torch switch, is electrically connected with described 2nd cable.
2. plasma cut cutting torch according to claim 1, wherein,
Described 2nd cable has adverse current preventing portion and the 1st filter section between described cutting torch switch and described tie point.
3. a plasma cut power supply, it possesses:
Plasma-arc power supply unit, its one end is connected with the 4th terminal by the 1st wiring;
Radio-frequency generator, its one end is connected with the 5th terminal by the 2nd wiring, and the other end is connected with described plasma-arc power supply unit by the 3rd wiring;
Controller, it is connected with the 6th terminal by the 4th wiring, and is connected with the 7th terminal by the 5th wiring; With
6th wiring, it will via relay tip the described 1st connect up and the described 5th connect up and be connected,
The electric current of described controller to described 1st wiring detects, and controls described relay tip.
4. plasma cut power supply according to claim 3, wherein,
Described 4th wiring has the 2nd filter section.
5. the plasma cut power supply according to claim 3 or 4, wherein,
Also possesses the relay coil be connected with described control part.
6. the plasma cut power supply according to any one of claim 3 ~ 5, wherein,
Described 1st wiring is connected via capacitor with described 3rd wiring.
7. a plasma cutter, it possesses plasma cut cutting torch and plasma cut power supply,
Described plasma cut cutting torch has:
Electrode;
1st cable, it is electrically connected with described electrode, and has the 1st terminal;
Cutting torch switch;
2nd cable, it is electrically connected with described cutting torch switch, and has the 2nd terminal and the 3rd terminal;
Cutting torch, itself and described electrode separation, and surround described electrode; With
3rd cable, it is electrically connected with described cutting torch;
Described plasma cut power supply has:
Plasma-arc power supply unit, its one end is connected with the 4th terminal by the 1st wiring;
Radio-frequency generator, its one end is connected with the 5th terminal by the 2nd wiring, and the other end is connected with described plasma-arc power supply unit by the 3rd wiring;
Controller, it is connected with the 6th terminal by the 4th wiring, and is connected with the 7th terminal by the 5th wiring; With
6th wiring, it will via relay tip the described 1st connect up and the described 5th connect up and be connected,
The tie point of described 3rd cable between described 2nd terminal and described cutting torch switch, is electrically connected with described 2nd cable,
The electric current of described controller to described 1st wiring detects, and controls described relay tip,
Described 1st terminal, described 2nd terminal and described 3rd terminal are connected with described 5th terminal, described 6th terminal and described 7th terminal respectively.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-076564 | 2013-04-02 | ||
| JP2013076564 | 2013-04-02 | ||
| PCT/JP2014/001862 WO2014162714A1 (en) | 2013-04-02 | 2014-03-31 | Torch for plasma cutting, plasma cutting power supply, and plasma cutting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105142844A true CN105142844A (en) | 2015-12-09 |
| CN105142844B CN105142844B (en) | 2018-04-03 |
Family
ID=51658027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480018279.4A Active CN105142844B (en) | 2013-04-02 | 2014-03-31 | Plasma cut cutting torch, plasma cut power supply and plasma cutter |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6010777B2 (en) |
| CN (1) | CN105142844B (en) |
| WO (1) | WO2014162714A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6163366A (en) * | 1984-09-03 | 1986-04-01 | Hitachi Seiko Ltd | Plasma cutting equipment |
| JPS6475175A (en) * | 1987-09-18 | 1989-03-20 | Hitachi Ltd | Method and device for plasma cutting |
| JPH03114677A (en) * | 1989-09-27 | 1991-05-15 | Matsushita Electric Ind Co Ltd | Plasma cutting torch |
| JPH03234374A (en) * | 1990-02-08 | 1991-10-18 | Nippon Steel Weld Prod & Eng Co Ltd | Plasma torch |
| EP0508482A2 (en) * | 1991-04-12 | 1992-10-14 | The Lincoln Electric Company | Plasma torch with identification circuit |
| JPH10216950A (en) * | 1997-01-31 | 1998-08-18 | Matsushita Electric Ind Co Ltd | Plasma cutting torch |
| CN2344122Y (en) * | 1998-10-23 | 1999-10-20 | 肖柏树 | Water-cooled air plasma cutting machine |
| CN2535179Y (en) * | 2002-04-09 | 2003-02-12 | 北京有色金属研究总院 | Steam plasma cutting-welding machine |
| CN201324905Y (en) * | 2008-10-27 | 2009-10-14 | 刘海波 | Direct current and variable polarity plasma generator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0815668B2 (en) * | 1986-07-14 | 1996-02-21 | 日立精工株式会社 | Plasma cutting device |
| JP3112116B2 (en) * | 1991-03-20 | 2000-11-27 | 株式会社小松製作所 | Plasma cutting machine and control method thereof |
| JP2510061Y2 (en) * | 1993-10-29 | 1996-09-11 | 株式会社ダイヘン | Plasma arc processing equipment |
| JP2003225768A (en) * | 2002-01-30 | 2003-08-12 | Komatsu Sanki Kk | Ignition device and ignition control method for main arc of plasma cutter |
-
2014
- 2014-03-31 CN CN201480018279.4A patent/CN105142844B/en active Active
- 2014-03-31 JP JP2015509903A patent/JP6010777B2/en active Active
- 2014-03-31 WO PCT/JP2014/001862 patent/WO2014162714A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6163366A (en) * | 1984-09-03 | 1986-04-01 | Hitachi Seiko Ltd | Plasma cutting equipment |
| JPS6475175A (en) * | 1987-09-18 | 1989-03-20 | Hitachi Ltd | Method and device for plasma cutting |
| JPH03114677A (en) * | 1989-09-27 | 1991-05-15 | Matsushita Electric Ind Co Ltd | Plasma cutting torch |
| JPH03234374A (en) * | 1990-02-08 | 1991-10-18 | Nippon Steel Weld Prod & Eng Co Ltd | Plasma torch |
| EP0508482A2 (en) * | 1991-04-12 | 1992-10-14 | The Lincoln Electric Company | Plasma torch with identification circuit |
| JPH10216950A (en) * | 1997-01-31 | 1998-08-18 | Matsushita Electric Ind Co Ltd | Plasma cutting torch |
| CN2344122Y (en) * | 1998-10-23 | 1999-10-20 | 肖柏树 | Water-cooled air plasma cutting machine |
| CN2535179Y (en) * | 2002-04-09 | 2003-02-12 | 北京有色金属研究总院 | Steam plasma cutting-welding machine |
| CN201324905Y (en) * | 2008-10-27 | 2009-10-14 | 刘海波 | Direct current and variable polarity plasma generator |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6010777B2 (en) | 2016-10-19 |
| JPWO2014162714A1 (en) | 2017-02-16 |
| WO2014162714A1 (en) | 2014-10-09 |
| CN105142844B (en) | 2018-04-03 |
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