JPH0315027U - - Google Patents
Info
- Publication number
- JPH0315027U JPH0315027U JP7449089U JP7449089U JPH0315027U JP H0315027 U JPH0315027 U JP H0315027U JP 7449089 U JP7449089 U JP 7449089U JP 7449089 U JP7449089 U JP 7449089U JP H0315027 U JPH0315027 U JP H0315027U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- switch
- diode
- whose
- positive side
- 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.)
- Pending
Links
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Description
第１図はこの考案の一実施例の放電加工用電源
装置の構成回路図、第２図はこの考案の一実施例
の放電加工用電源の加工電流波形図、第３図は従
来の放電加工用電源装置の構成回路図、第４図は
従来の放電加工用電源装置の波形図である。
図においてＥ１，Ｅ１Ａ，Ｅ１Ｂは直流電源、
Ｐは被加工物、Ｎはワイヤ、Ｌは配線インダクタ
ンス、Ｑ１，Ｑ２，Ｑ１Ａ，Ｑ１Ｂ，Ｑ２Ａ，Ｑ
２Ｂはスイツチングトランジスタ、ＰＧはパルス
発生器、Ｃ１，Ｃ１Ａ，Ｃ１Ｂはコンデンサ、Ｄ
１，Ｄ２，Ｄ８，Ｄ１Ａ，Ｄ１Ｂ，Ｄ２Ａ，Ｄ２
Ｂ，Ｄ３Ａ，Ｄ３Ｂはダイオード、Ｒ１，Ｒ２，
Ｒ１Ａ，Ｒ１Ｂ，Ｒ２Ａ，Ｒ２Ｂは抵抗、Ｅ２，
Ｅ２Ａ，Ｅ２Ｂは直流電源、ＧＡ１，ＧＡ２，Ｇ
Ａ１Ａ，ＧＡ１Ｂ，ＧＡ２Ａ，ＧＡ２Ｂはドライ
ブ回路、ＣＰ，ＣＰＡ，ＣＰＢはコンパレータで
ある。なお、図中、同一符号は同一または相当部
分を示す。
Fig. 1 is a configuration circuit diagram of a power supply device for electrical discharge machining according to an embodiment of this invention, Fig. 2 is a machining current waveform diagram of a power supply for electrical discharge machining according to an embodiment of this invention, and Fig. 3 is a conventional electrical discharge machining system. FIG. 4 is a waveform diagram of a conventional electrical discharge machining power supply. In the figure, E 1 , E 1 A, and E 1 B are DC power supplies,
P is the workpiece, N is the wire, L is the wiring inductance, Q 1 , Q 2 , Q 1 A, Q 1 B, Q 2 A, Q
2 B is a switching transistor, PG is a pulse generator, C 1 , C 1 A, C 1 B are capacitors, D
1 , D 2 , D 8 , D 1 A, D 1 B, D 2 A, D 2
B, D 3 A, D 3 B are diodes, R 1 , R 2 ,
R 1 A, R 1 B, R 2 A, R 2 B are resistances, E 2 ,
E 2 A, E 2 B are DC power supplies, GA 1 , GA 2 , G
A 1 A, GA 1 B, GA 2 A, and GA 2 B are drive circuits, and CP, CPA, and CPB are comparators. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
チとスイツチの他端にカソードを接続した第１の
ダイオードと、第１のダイオードのアノードに負
側を接続した第２の直流電源と第１の直流電源の
負側と第２の直流電源の正側を接続してなる第１
のスイツチング回路と、第３の直流電源の負側に
接続した第２のスイツチとスイツチの他端にアノ
ードを接続した第２のダイオードと、第２のダイ
オードのカソードに正側を接続した第４の直流電
源と第３の直流電源の正側と第４の直流電源の負
側を接続してなる第２のスイツチング回路を備え
、第１のスイツチング回路と第２のスイツチング
回路は第１の直流電源の負側と第３の直流電源の
正側を接続することにより接続され、第１のスイ
ツイと第１のダイオードの接続点から、加工間隙
の正極側へ配線接続され第２のスイツチと第２の
ダイオードの接続点から、加工間隙の負極側へ配
線接続されたことを特徴とする放電加工用電源装
置。 A first switch connected to the positive side of a first DC power supply, a first diode whose cathode is connected to the other end of the switch, a second DC power supply whose negative side is connected to the anode of the first diode, and a second DC power supply whose negative side is connected to the anode of the first diode. The first DC power supply is connected to the negative side of the first DC power supply and the positive side of the second DC power supply.
a second switch connected to the negative side of a third DC power supply, a second diode whose anode is connected to the other end of the switch, and a fourth switch whose positive side is connected to the cathode of the second diode. a second switching circuit configured by connecting the positive side of the third DC power supply and the negative side of the fourth DC power supply; The connection is made by connecting the negative side of the power supply and the positive side of the third DC power supply, and the wiring is connected from the connection point between the first switch and the first diode to the positive side of the processing gap, and the second switch and the second switch are connected. 1. A power supply device for electrical discharge machining, characterized in that a wiring is connected from a connection point of a diode No. 2 to a negative electrode side of a machining gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7449089U JPH0315027U (en) | 1989-06-26 | 1989-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7449089U JPH0315027U (en) | 1989-06-26 | 1989-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0315027U true JPH0315027U (en) | 1991-02-15 |
Family
ID=31614224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7449089U Pending JPH0315027U (en) | 1989-06-26 | 1989-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0315027U (en) |
-
1989
- 1989-06-26 JP JP7449089U patent/JPH0315027U/ja active Pending
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