CN2808400Y - Pulse control device of plasma cutting machine - Google Patents
Pulse control device of plasma cutting machine Download PDFInfo
- Publication number
- CN2808400Y CN2808400Y CN 200520074418 CN200520074418U CN2808400Y CN 2808400 Y CN2808400 Y CN 2808400Y CN 200520074418 CN200520074418 CN 200520074418 CN 200520074418 U CN200520074418 U CN 200520074418U CN 2808400 Y CN2808400 Y CN 2808400Y
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- Prior art keywords
- pulse
- circuit
- model
- cutting machine
- control device
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Abstract
The utility model discloses a pulse control device of a plasma cutting machine, which has a pulse generating circuit. The pulse generating circuit is connected with a reference switching circuit, and a pulse current reference circuit and a basic value current reference circuit are respectively connected with the reference switching circuit. With reasonable structure, the utility model can add pulse into a plasma electric arc, so that the compression performance of the electric arc is good, and the electric arc has good notch vertical degree, narrow cutting seams and low influence on hot zone of the cutting seams.
Description
Technical field:
The utility model relates to a kind of cutting machine auxiliary, is a kind of pulse control unit of cutting machine.
Background technology:
CUT generally adopts the direct-current arc cutting, characteristics are big to the hot input capacity of cut workpiece, but exist slot to influence the hot-zone big, particularly to heat-sensitive material, slot metal structure structure is changed, and slot is wider and have certain shortcomings such as inclination angle sometimes.
Summary of the invention:
It is a kind of rational in infrastructure that the purpose of this utility model is to provide, and can add pulse in plasma-arc, makes the electric arc good compression property, and the otch perpendicularity is good, the pulse control unit of the CUT that slot is narrow, the influence of slot hot-zone is little.
Technical solution of the present utility model is:
A kind of pulse control unit of CUT is characterized in that: pulse generating circuit is arranged, and pulse generating circuit is connected with the benchmark commutation circuit, and the pulse current reference circuit is connected with the benchmark commutation circuit respectively with the background current reference circuit.
The utility model is rational in infrastructure, can add pulse in plasma-arc, makes the electric arc good compression property, and the otch perpendicularity is good, and slot is narrow, the influence of slot hot-zone is little.
Description of drawings:
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the operation principle block diagram of an embodiment of the utility model.
Fig. 2 is the physical circuit figure of Fig. 1.
The specific embodiment:
A kind of pulse control unit of CUT has pulse generating circuit 1, and pulse generating circuit 1 is connected with benchmark commutation circuit 2, and pulse current reference circuit 3 is connected with benchmark commutation circuit 2 respectively with background current reference circuit 4.
(model: TM492), potentiometer RP6, RP7 form, wherein RP6 regulating frequency, RP7 regulate dutycycle to pulse generating circuit by resistance R 4～R10, R26,1R58, capacitor C 2～C4, C12, diode V7, V55, FET V3, amplifier N8B, integrated package N3.
Pulse current reference circuit 3 and background current reference circuit 4 are made up of resistance R 27, R28, R70, R74, R76, R92,1R33, capacitor C 29, C30, amplifier N8A, potentiometer RP3, RP4, wherein the pulse current size is controlled by RP4, and the background current size is controlled by RP3.
The benchmark commutation circuit is by resistance R 15, R35, R97, R101～103, capacitor C 7, diode V62, V68, amplifier N4B, 1N2D, potentiometer X11, integrated package N5 (model: MCI4053) form.Benchmark commutation circuit 2 is to conventional current control circuit 5 output signals of CUT itself during work.
Claims (1)
1, a kind of pulse control unit of CUT is characterized in that: pulse generating circuit is arranged, and pulse generating circuit is connected with the benchmark commutation circuit, and the pulse current reference circuit is connected with the benchmark commutation circuit respectively with the background current reference circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520074418 CN2808400Y (en) | 2005-08-08 | 2005-08-08 | Pulse control device of plasma cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520074418 CN2808400Y (en) | 2005-08-08 | 2005-08-08 | Pulse control device of plasma cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2808400Y true CN2808400Y (en) | 2006-08-23 |
Family
ID=36924579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520074418 Expired - Fee Related CN2808400Y (en) | 2005-08-08 | 2005-08-08 | Pulse control device of plasma cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2808400Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160290324A1 (en) * | 2015-04-06 | 2016-10-06 | The United States Of America As Represented By The Secretary Of The Navy | Plasma propellant ablation/sublimation based systems |
| CN109877430A (en) * | 2019-03-05 | 2019-06-14 | 常州九圣焊割设备有限公司 | A method of the plasma arc gouge to be worked with pulsating direct current electric current |
-
2005
- 2005-08-08 CN CN 200520074418 patent/CN2808400Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160290324A1 (en) * | 2015-04-06 | 2016-10-06 | The United States Of America As Represented By The Secretary Of The Navy | Plasma propellant ablation/sublimation based systems |
| US10047731B2 (en) * | 2015-04-06 | 2018-08-14 | The United States Of America, As Represented By The Secretary Of The Navy | Plasma propellant ablation/sublimation based systems |
| CN109877430A (en) * | 2019-03-05 | 2019-06-14 | 常州九圣焊割设备有限公司 | A method of the plasma arc gouge to be worked with pulsating direct current electric current |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060823 Termination date: 20130808 |