JPH033480B2 - - Google Patents
Info
- Publication number
- JPH033480B2 JPH033480B2 JP50040125A JP4012575A JPH033480B2 JP H033480 B2 JPH033480 B2 JP H033480B2 JP 50040125 A JP50040125 A JP 50040125A JP 4012575 A JP4012575 A JP 4012575A JP H033480 B2 JPH033480 B2 JP H033480B2
- Authority
- JP
- Japan
- Prior art keywords
- pulse motor
- power supply
- relay
- axis
- pulse
- 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.)
- Expired - Lifetime
Links
- 238000009760 electrical discharge machining Methods 0.000 claims description 12
- 238000003754 machining Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Numerical Control (AREA)
- Control Of Stepping Motors (AREA)
Description
【発明の詳細な説明】
この発明は数値制御される放電加工装置におけ
る電極と被加工物とを相対的に移動させる、例え
ば被加工物が固定されるテーブルを駆動するため
のパルスモータ駆動制御装置に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a pulse motor drive control device for relatively moving an electrode and a workpiece in a numerically controlled electric discharge machining apparatus, for example, for driving a table on which a workpiece is fixed. It is related to.
この種の従来装置はテーブル駆動におけるパル
スモータ制御用としてＸ軸系、Ｙ軸系にそれぞれ
パルスモータ駆動増幅器を備えていて、モータ駆
動時、静止時共に同一電源で制御を行なつてい
る。また、１台の数値制御装置により時分割方式
で群制御される複数台放電加工装置のテーブル駆
動制御装置においても、それぞれにパルスモータ
駆動増幅器を備えている。しかし放電加工では一
般にテーブル駆動時間に比較し、静止時間の方が
はるかに多いので、パルスモータ駆動増幅器の稼
動率が低いとか、パルスモータは静止時に最大の
励磁電流が流れるのでテーブル静止時における消
費電力が多いという欠点がある。 This type of conventional device is equipped with a pulse motor drive amplifier for each of the X-axis system and Y-axis system for pulse motor control in table drive, and the same power supply is used for control both when the motor is driven and when it is stationary. Furthermore, in a table drive control device for a plurality of electrical discharge machining machines that are group-controlled in a time-sharing manner by one numerical control device, each table drive control device is provided with a pulse motor drive amplifier. However, in electrical discharge machining, the table is generally stationary for much more time than the table drive time, so the operation rate of the pulse motor drive amplifier is low, and the maximum excitation current flows in the pulse motor when the table is stationary, so the consumption when the table is stationary. The disadvantage is that it requires a lot of electricity.
この発明はかかる点に鑑みて発明されたもの
で、数値制御される放電加工装置のテーブル駆動
におけるパルスモータ制御用として、パルスモー
タ駆動用直流電源とその数分の１の電圧をもつ静
止用直流電源を設け、且つパルスモータ駆動増幅
器１台をデイジタル指令で切換えてＸ軸系，Ｙ軸
系に共用し同時一軸制御することを特徴とするも
のである。さらにこの発明では、１台の数値制御
装置により時分割方式で群制御される複数台放電
加工装置のテーブル駆動制御装置においても、パ
ルスモータ駆動用直流電源とその数分の１の電圧
をもつ静止用直流電源を設け、且つ１台のパルス
モータ駆動増幅器をデイジタル指令で切換えて複
数台の放電加工装置のテーブル駆動に共用し、同
時一軸制御することを特徴とするものである。 This invention was invented in view of the above points, and uses a DC power supply for driving a pulse motor and a static DC power supply having a voltage a fraction of that for controlling a pulse motor in a table drive of a numerically controlled electric discharge machine. The system is characterized in that a power supply is provided, and one pulse motor drive amplifier is switched by a digital command to be used commonly for the X-axis system and the Y-axis system for simultaneous single-axis control. Furthermore, in the present invention, even in a table drive control device for a plurality of electric discharge machining machines that are group-controlled in a time-sharing manner by one numerical control device, a DC power supply for driving a pulse motor and a static power supply with a voltage a fraction of that In addition, one pulse motor drive amplifier is switched by a digital command and is commonly used to drive the table of a plurality of electrical discharge machining machines, thereby controlling one axis at the same time.
以下この発明を図面に基づいて説明する。 The present invention will be explained below based on the drawings.
第１図はこの発明の一実施例を示すもので、図
において、１はパルスモータ駆動用直流電源２は
パルスモータ静止用直流電源で、駆動用直流電源
１の数分の１の電圧を有している。３，４はそれ
ぞれＸ軸系，Ｙ軸系のテーブル駆動用パルスモー
タ、５はデイジタル指令に基づいてパルスモータ
を制御する制御回路、６はパルスモータ駆動増幅
器、７，８はそれぞれＸ軸，Ｙ軸を選択するため
のリレーで、このリレー７，８およびパルスモー
タ駆動増幅器６は制御回路５からの指令信号によ
り制御される。７ａ，８ａはそれぞれリレー７，
８のＡ接点、７ｂ，８ｂはそれぞれリレー７，８
のＢ接点、９，１０，１１は制限抵抗である。 FIG. 1 shows an embodiment of the present invention. In the figure, 1 is a pulse motor driving DC power source 2 is a pulse motor stationary DC power source, which has a voltage that is a fraction of that of the driving DC power source 1. are doing. 3 and 4 are X-axis and Y-axis table drive pulse motors, 5 is a control circuit that controls the pulse motor based on digital commands, 6 is a pulse motor drive amplifier, and 7 and 8 are X-axis and Y-axis table drives, respectively. A relay for selecting an axis, and the relays 7 and 8 and the pulse motor drive amplifier 6 are controlled by a command signal from the control circuit 5. 7a and 8a are relays 7 and 8a, respectively.
A contact of 8, 7b and 8b are relays 7 and 8 respectively
B contacts 9, 10, and 11 are limiting resistors.
以上においてテーブル駆動指令が与えられてい
ない時、即ち静止時にはリレー７，８はオフ状態
にあり、その接点によりパルスモータ静止用直流
電源２−Ｘ軸系テーブル駆動用パルスモータ３−
リレー７のＢ接点７ｂ−制限抵抗１０−パルスモ
ータ静止用直流電源２、及びパルスモータ静止用
直流電源２−Ｙ軸系テーブル駆動用パルスモータ
４−リレー８のＢ接点８ｂ−制限抵抗１１−パル
スモータ静止用直流電源２の回路が構成されて、
Ｘ軸系テーブル駆動用パルスモータ３、Ｙ軸系テ
ーブル駆動用パルスモータ４は、パルスモータ静
止用直流電源２により静止状態にある。ここで制
御回路５に軸選択情報とテーブル駆動量情報とか
らなるテーブル駆動指令が与えられると、その内
の軸選択情報によりリレー７またはリレー８のい
ずれか一方がオンになり、仮にリレー７がオンに
なつた場合には、パルスモータ駆動用直流電源１
−Ｘ軸系テーブル駆動用パルスモータ３−リレー
７のＡ接点７ａ−制限抵抗９−パルスモータ駆動
増幅器６−パルスモータ駆動用直流電源１の回路
が構成される。そして残りのテーブル駆動量情報
に従つてパルスモータ駆動増幅器６により構成回
路中のＸ軸系テーブル駆動用パルスモータ３の駆
動が実行され、実行終了後はリレー７はオフにな
り再び静止状態に復帰する。 In the above, when the table drive command is not given, that is, when the table is stationary, the relays 7 and 8 are in the OFF state, and their contacts cause the pulse motor stationary DC power supply 2 - the X-axis table drive pulse motor 3 -
B contact 7b of relay 7 - Limiting resistor 10 - DC power supply 2 for pulse motor stationary, and DC power supply 2 for pulse motor stationary - Pulse motor 4 for driving Y-axis table - B contact 8b of relay 8 - Limiting resistor 11 - Pulse The circuit of the motor stationary DC power supply 2 is configured,
The X-axis table driving pulse motor 3 and the Y-axis table driving pulse motor 4 are kept in a stationary state by a DC power source 2 for stopping the pulse motors. Here, when a table drive command consisting of axis selection information and table drive amount information is given to the control circuit 5, either relay 7 or relay 8 is turned on depending on the axis selection information, and if relay 7 is When turned on, the DC power supply 1 for driving the pulse motor
A circuit includes: - X-axis table drive pulse motor 3 - A contact 7a of relay 7 - Limiting resistor 9 - Pulse motor drive amplifier 6 - Pulse motor drive DC power supply 1. Then, according to the remaining table drive amount information, the pulse motor drive amplifier 6 executes the drive of the X-axis table drive pulse motor 3 in the component circuit, and after the execution is completed, the relay 7 is turned off and returns to the stationary state again. do.
第２図は１台の数値制御装置により時分割方式
で群制御される複数台の放電加工装置のテーブル
駆動装置に適用したこの発明の他の実施例を示す
もので、第２図において、１はパルスモータ駆動
用直流電源、２はパルスモータ静止用直流電源、
３，４はそれぞれ機械番号の放電加工装置にお
けるＸ軸系、Ｙ軸系テーブル駆動用パルスモー
タ、１２，１３はそれぞれ機械番号の放電加工
装置におけるＸ軸系，Ｙ軸系テーブル駆動用パル
スモータ、５はデイジタル指令に基づいてパルス
モータを制御する制御回路、６はパルスモータ駆
動増幅器、７，８はそれぞれテーブルのＸ軸，Ｙ
軸を選択するためのリレー、１４，１５はそれぞ
れ機械番号，の放電加工装置を選択するため
のリレーで、パルスモータ駆動増幅器６、リレー
７，８，１４，１５は制御回路５からの信号によ
り制御される。１４ａ，１５ａはそれぞれリレー
１４，１５のＡ接点、７a1，７a2はリレー７のＡ
接点、８a1，８a2はリレー８のＡ接点、７b1，７
b2はリレー７のＢ接点、８b1，８b2はリレー８の
Ｂ接点、１４b1，１４b2はリレー１４のＢ接点、
１５b1，１５b2はリレー１５のＢ接点で９，１
０，１１，１６，１７は制限抵抗である。 FIG. 2 shows another embodiment of the present invention applied to a table driving device for a plurality of electrical discharge machining machines controlled in a group in a time-sharing manner by one numerical control device. is a DC power supply for driving the pulse motor, 2 is a DC power supply for stationary pulse motor,
3 and 4 are pulse motors for driving the X-axis and Y-axis tables in the electrical discharge machining equipment with machine numbers, respectively; 12 and 13 are pulse motors for driving the X-axis and Y-axis tables in the electrical discharge machining equipment with machine numbers, respectively; 5 is a control circuit that controls the pulse motor based on digital commands, 6 is a pulse motor drive amplifier, and 7 and 8 are the X-axis and Y-axis of the table, respectively.
Relays 14 and 15 are used to select the electrical discharge machining device with the respective machine numbers, and the pulse motor drive amplifier 6 and relays 7, 8, 14, and 15 are controlled by signals from the control circuit 5. controlled. 14a and 15a are A contacts of relays 14 and 15, respectively, and 7a 1 and 7a 2 are A contacts of relay 7.
Contacts, 8a 1 and 8a 2 are A contacts of relay 8, 7b 1 and 7
b 2 is the B contact of relay 7, 8b 1 and 8b 2 are the B contacts of relay 8, 14b 1 and 14b 2 are the B contacts of relay 14,
15b 1 and 15b 2 are B contacts of relay 15, and 9, 1
0, 11, 16, and 17 are limiting resistances.
以上においてテーブル駆動指令が与えられてい
ない時、即ち静止時にはリレー７，８，１４，１
５はオフ状態にあり、それぞれの接点により、パ
ルスモータ静止用直流電源２−Ｘ軸系テーブル駆
動用パルスモータ（機械番号）３−リレー７の
Ｂ接点７b1（またはリレー１４のＢ接点１４b1）−
制限抵抗１０−パルスモータ静止用直流電源２、
パルスモータ静止用直流電源２−Ｙ軸系テーブル
駆動用パルスモータ（機械番号）４−リレー８
のＢ接点８b1（またはリレー１４のＢ接点１４b2）
−制限抵抗１１−パルスモータ静止用直流電源
２、パルスモータ静止用直流電源２−Ｘ軸系テー
ブル駆動用パルスモータ（機械番号）１２−リ
レー７のＢ接点７b2（またはリレー１５のＢ接点
１５b1）制限抵抗１６−パルスモータ静止用直流
電源２、パルスモータ静止用直流電源２−Ｙ軸系
テーブル駆動用パルスモータ（機械番号）１３
−リレー８のＢ接点３b2（またはリレー１５のＢ
接点１５b1）−制限抵抗１７−パルスモータ静止
用直流電源２の４つの回路が構成され、各回路中
のパルスモータ３，４，１２，１３はパルスモー
タ静止用直流電源２によつて静止状態にある。 In the above, when the table drive command is not given, that is, when the table is stationary, the relays 7, 8, 14, 1
5 is in the off state, and the respective contacts connect the DC power supply for the stationary pulse motor 2 - the pulse motor for driving the X-axis table (machine number) 3 - the B contact 7b 1 of the relay 7 (or the B contact 14b 1 of the relay 14). )−
Limiting resistor 10 - DC power supply for pulse motor stationary 2,
Pulse motor stationary DC power supply 2 - Y-axis table drive pulse motor (machine number) 4 - Relay 8
B contact 8b 1 (or B contact 14b 2 of relay 14)
- Limiting resistor 11 - DC power supply 2 for stationary pulse motor, DC power supply 2 for stationary pulse motor - Pulse motor for driving X-axis table (machine number) 12 - B contact 7b 2 of relay 7 (or B contact 15b of relay 15) 1 ) Limiting resistor 16 - DC power supply for stationary pulse motor 2, DC power supply for stationary pulse motor 2 - Pulse motor for driving Y-axis table (machine number) 13
- B contact 3b 2 of relay 8 (or B contact of relay 15
Contact 15b1 ) - Limiting resistor 17 - DC power source 2 for stopping the pulse motor. It is in.
ここで、放電加工装置選択情報、軸選択情報及
びテーブル駆動量情報からなるテーブル駆動デイ
ジタル指令が制御回路５に与えられると、まず放
電加工装置選択情報によりリレー１４，１５のう
ちいずれか一方のリレーがオンになり、軸選択情
報によりリレー７，８のいずれか一方のリレーが
オンになる。仮にリレー１４およびリレー７がオ
ンになつた場合には、パルスモータ駆動用直流電
源１−Ｘ軸系テーブル駆動用パルスモータ（機械
番号）３−リレ７のＡ接点７a1−リレー１４の
Ａ接点１４ａ−制限抵抗９−パルスモータ駆動増
幅器６−パルスモータ駆動用直流電源１の回路が
構成される。同様にリレー１４，８がオンになつ
た場合は、パルスモータ駆動用直流電源１−Ｙ軸
系テーブル駆動用パルスモータ（機械番号）４
−リレー８のＡ接点８a1−リレー１４のＡ接点１
４ａ−制限抵抗９−パルスモータ駆動増幅器６−
パルスモータ駆動用直流電源１の回路が構成され
る。リレー１５，７がオンの場合はパルスモータ
駆動用直流電源１−Ｘ軸系テーブル駆動用パルス
モータ（機械番号）１２−リレー７のＡ接点７
a2−リレー１５のＡ接点１５ａ−制限抵抗９−パ
ルスモータ駆動増幅器６−パルスモータ駆動用直
流電源１の回路が構成され、リレー１５，８がオ
ンの場合はパルスモータ駆動用直流電源１−Ｙ軸
系テーブル駆動用パルスモータ（機械番号）１
３−リレー８のＡ接点８a2−リレー１５のＡ接点
１５ａ−制限抵抗９−パルスモータ駆動増幅器６
−パルスモータ駆動用直流電源１の回路が構成さ
れる。これら４つの回路はいずれか１個の回路が
構成されるのみである。そして残るテーブル駆動
量情報に従つてパルスモータ駆動増幅器６によ
り、構成された回路中のパルスモータ駆動が実行
される。しかし複数台の放電加工装置は時分割方
式により群制御されているので、同時に２回路以
上構成されることはなく、選択されていないパル
スモータは静止回路構成により静止状態にある。 Here, when a table drive digital command consisting of electrical discharge machining device selection information, axis selection information, and table drive amount information is given to the control circuit 5, first, one of the relays 14 and 15 is selected based on the electrical discharge machining device selection information. is turned on, and one of relays 7 and 8 is turned on depending on the axis selection information. If relay 14 and relay 7 are turned on, the DC power supply for driving the pulse motor 1 - the pulse motor for driving the X-axis table (machine number) 3 - the A contact of relay 7 7a 1 - the A contact of relay 14 A circuit of 14a-limiting resistor 9-pulse motor drive amplifier 6-pulse motor drive DC power supply 1 is configured. Similarly, if relays 14 and 8 are turned on, pulse motor drive DC power supply 1 - Y-axis table drive pulse motor (machine number) 4
- A contact 8a of relay 8 1 - A contact 1 of relay 14
4a-Limiting resistor 9-Pulse motor drive amplifier 6-
A circuit of a DC power supply 1 for driving a pulse motor is configured. When relays 15 and 7 are on, pulse motor drive DC power supply 1 - X-axis table drive pulse motor (machine number) 12 - A contact 7 of relay 7
a 2 - A contact 15a of relay 15 - Limiting resistor 9 - Pulse motor drive amplifier 6 - A circuit of DC power supply 1 for driving pulse motor is configured, and when relays 15 and 8 are on, DC power supply 1 for driving pulse motor - Y-axis table drive pulse motor (machine number) 1
3 - A contact 8a of relay 8 2 - A contact 15a of relay 15 - Limiting resistor 9 - Pulse motor drive amplifier 6
- The circuit of the DC power supply 1 for driving the pulse motor is configured. Only one of these four circuits is configured. Then, the pulse motor drive amplifier 6 executes the pulse motor drive in the configured circuit according to the remaining table drive amount information. However, since a plurality of electric discharge machining apparatuses are group-controlled by a time-sharing method, two or more circuits are not configured at the same time, and unselected pulse motors are in a stationary state due to the stationary circuit configuration.
テーブル駆動実行終了後は、全てのリレーがオ
フになり、次のテーブル駆動指令が与えられるま
でテーブルは静止状態を保持する。 After the table drive is completed, all relays are turned off and the table remains stationary until the next table drive command is given.
以上のようにこの発明によれば、例えば数値制
御される放電加工装置のテーブル駆動において、
１台のパルスモータ駆動増幅器をＸ軸系、Ｙ軸系
に共用することができ、また１台の数値制御装置
により時分割方式で群制御される複数台の放電加
工装置のテーブル駆動においても、１台のパルス
モータ駆動増幅器を共用することができるので、
コストを低くでき、かつスペースが少なくて済
む。さらに、パルスモータ駆動用直流電源と静止
用直流電源を分けて設け、後者は前者の数分の１
の電源電圧を用いているため小電力で済むという
効果がある。 As described above, according to the present invention, for example, in the table drive of a numerically controlled electrical discharge machining device,
One pulse motor drive amplifier can be shared for the X-axis system and the Y-axis system, and even when driving the table of multiple electrical discharge machining machines that are group-controlled in a time-sharing manner by one numerical control device. Since one pulse motor drive amplifier can be shared,
Costs can be lowered and less space is required. Furthermore, the DC power supply for driving the pulse motor and the DC power supply for stationary use are provided separately, and the latter is a fraction of the former.
Since it uses a power supply voltage of , it has the effect of requiring little power.
第１図はこの発明の一実施例を示す回路図、第
２図はこの発明の他の実施例を示す回路図であ
る。なお図中同一符号は同一あるいは相当部分を
示す。
図において、１はパルスモータ駆動用電源、２
はパルスモータ静止用電源、３，４，１２，１３
はパルスモータ、６はパルスモータ駆動増幅器、
５は制御回路、７，８，１４，１５はリレーであ
る。
FIG. 1 is a circuit diagram showing one embodiment of the invention, and FIG. 2 is a circuit diagram showing another embodiment of the invention. Note that the same reference numerals in the figures indicate the same or corresponding parts. In the figure, 1 is a pulse motor drive power supply, 2
is the pulse motor stationary power supply, 3, 4, 12, 13
is a pulse motor, 6 is a pulse motor drive amplifier,
5 is a control circuit, and 7, 8, 14, and 15 are relays.
Claims (1)
工物とを複数の方向に相対移動させるとともに電
極と被加工物との間に形成される間隙で放電させ
て加工を行なう放電加工装置におけるパルスモー
タ駆動制御装置において、パルスモータ駆動用電
源とこの駆動用電源よりも電圧の小さい静止用電
源を設け、これら電源を指令に基づいて切換え使
用すると共に、１台のパルスモータ駆動増幅器を
駆動指令で切換えて上記複数台のパルスモータに
共用したことを特徴とするパルスモータ駆動制御
装置。1 Pulse in electrical discharge machining equipment that uses multiple pulse motors to move an electrode and a workpiece relative to each other in multiple directions, and performs machining by generating electrical discharge in the gap formed between the electrode and the workpiece. In a motor drive control device, a pulse motor drive power supply and a stationary power supply with a voltage lower than this drive power supply are provided, and these power supplies are switched and used based on commands, and one pulse motor drive amplifier is operated according to drive commands. A pulse motor drive control device characterized in that it is switched and shared by the plurality of pulse motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4012575A JPS51114621A (en) | 1975-04-01 | 1975-04-01 | Pulse motor drive controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4012575A JPS51114621A (en) | 1975-04-01 | 1975-04-01 | Pulse motor drive controlling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51114621A JPS51114621A (en) | 1976-10-08 |
| JPH033480B2 true JPH033480B2 (en) | 1991-01-18 |
Family
ID=12572087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4012575A Granted JPS51114621A (en) | 1975-04-01 | 1975-04-01 | Pulse motor drive controlling device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS51114621A (en) |
-
1975
- 1975-04-01 JP JP4012575A patent/JPS51114621A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51114621A (en) | 1976-10-08 |
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