JPS614875U - Welding process control device for magnetic arc welding machine - Google Patents
Welding process control device for magnetic arc welding machineInfo
- Publication number
- JPS614875U JPS614875U JP6459985U JP6459985U JPS614875U JP S614875 U JPS614875 U JP S614875U JP 6459985 U JP6459985 U JP 6459985U JP 6459985 U JP6459985 U JP 6459985U JP S614875 U JPS614875 U JP S614875U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- stroke
- workpiece
- movable
- joint end
- 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 title claims description 11
- 238000004886 process control Methods 0.000 title claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
Landscapes
- Arc Welding Control (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図イはマグネットアーク溶接法による溶接工程を表
わす図、第１図口は第１図イで示した溶接工程を時間に
関して表わした図、第２図は磁極と被溶接物の突き合わ
せ点との位置関係を示す断面図、第３図イはストアーク
電圧値と被溶接物の変位量との関係を表わす図、第３図
口は第３図イで示したストローク電圧値と時間との関係
を示す図、第４図は本考案実施例に係る溶接工程管理装
置の構成を示す回路ブロック図である。
ａ・・・一定側の被溶接物、ａ１・・・接合端面、ｂ・
・・可−動側の被溶接物、ｈ・・・接合端面、Ｐ１・・
・突き合わせ点、Ｌ・・・アーク間隙、’ Ｍ，， Ｍ
２・・・磁極、Ｃ・・・磁極中心、Ｖ１・・・Ｐ１点に
対応する電圧値、Ｖ２・・・Ｐ２点に対応する電圧値、
Ｖ３・・・Ｐ３点に対応する電圧値、１・・・変位検出
器、２・・・電圧増巾器、３・・・突き合わせ点記憶器
、４，１２．２０・・・第一乃至第三の比較器、，１１
・・・減算器、５，１３．２１・・・上限値設定器、６
，１４，２２・・・下限値設定器、９，１７，２５・・
・リレー、１０，１８，２６・・・接点。Figure 1A is a diagram showing the welding process using the magnetic arc welding method, Figure 1A is a diagram showing the welding process shown in Figure 1A in terms of time, and Figure 2 is a diagram showing the butt point of the magnetic pole and the workpiece. Figure 3A is a diagram showing the relationship between the stroke voltage value and the displacement of the workpiece, Figure 3A is a diagram showing the relationship between the stroke voltage value and time shown in Figure 3A. FIG. 4 is a circuit block diagram showing the configuration of a welding process control device according to an embodiment of the present invention. a... Work to be welded on a constant side, a1... Joint end surface, b...
...Movable side welded object, h...joint end surface, P1...
・Abutting point, L...Arc gap, 'M,, M
2... Magnetic pole, C... Center of magnetic pole, V1... Voltage value corresponding to point P1, V2... Voltage value corresponding to point P2,
V3... Voltage value corresponding to point P3, 1... Displacement detector, 2... Voltage amplifier, 3... Matching point memory, 4, 12.20... First to third Three comparators, 11
... Subtractor, 5, 13.21 ... Upper limit value setter, 6
, 14, 22... lower limit value setter, 9, 17, 25...
・Relay, 10, 18, 26... contacts.
Claims (1)
物との両接合端面を突き合わせ、この後、可動側被溶接
物を固定側被溶接物に対して一定間隔だけ離反して前記
両接合端面間にアークを発生させ、該アークを磁極の発
生する磁場作用によって前記両接合端面に沿って移動さ
せ、前記両接合端面を加熱溶融したのち、前記両接合端
面を互いに圧接させて前記両被溶接物の接合を行うマグ
ネットアーク溶接機において、 前記可動側被溶接物の機械的変位量を検出する変位検出
器と、 該変位検出器が発する電気信号をこれと対応する大きさ
のストローク電圧に変換する電圧増巾器と、 該変換されたストアーク電圧のうち前記被溶接物の突き
合わせ点に対応するストローク電圧Ｖｐを記憶する突き
合わせ点記憶器と、 該記憶器により記憶されたストローク電圧Ｖｐ１の値を
予め設定された上下限値と比較し、その比較結果により
前記被溶稜物の突き合わせ点位置に関する良否判別信号
を発する第一の比較器と、該変換されたストローク電圧
のうち可動側被溶接物のアーク間隙点に対応するストロ
ーク電圧Ｖｐ２と前記記憶器により記憶されたストロー
ク電圧Ｖｐ１との差、及び可動側被溶接部の圧接終了点
に対応するストローク電圧■ｐ３と前記記憶器により記
憶されたストローク電ＪＥＶｐとの差をそれぞれ演算す
る減算器と、 該減算器から送られる演算結果を予め設定された上下限
値と比較し、その比較結果により前記可動側被溶物のア
ーク間隙点位置及び圧接終了点位−置に関する良否判別
信号をそれぞれ発する第二及び第三の比較器と、 を有することを特徴とするマグネットアーク溶接機の溶
接工程管理装置。[Scope of Claim for Utility Model Registration] The joint end faces of a fixed side workpiece and a movable side workpiece, which are arranged opposite to each other, are brought together, and then the movable side workpiece is placed against the fixed side workpiece. An arc is generated between the two joint end faces separated by a certain distance from each other, and the arc is moved along the two joint end faces by the action of the magnetic field generated by the magnetic poles, and after heating and melting the two joint end faces, A magnetic arc welding machine that joins the two objects to be welded by pressing their joint end surfaces together, comprising: a displacement detector that detects the amount of mechanical displacement of the movable object to be welded; and an electric signal emitted by the displacement detector. a voltage amplifier that converts the stroke voltage to a stroke voltage of a corresponding magnitude; a butt point memory that stores the stroke voltage Vp corresponding to the butt point of the welded object out of the converted stoke voltage; a first comparator that compares the value of the stroke voltage Vp1 stored by the device with upper and lower limit values set in advance, and generates a pass/fail determination signal regarding the abutment point position of the ridge to be welded based on the comparison result; The difference between the stroke voltage Vp2 corresponding to the arc gap point of the movable workpiece and the stroke voltage Vp1 stored in the storage device, and the stroke corresponding to the pressure welding end point of the movable workpiece. A subtracter that calculates the difference between the voltage ■p3 and the stroke electric current JEVp stored in the storage device, and a calculation result sent from the subtractor is compared with preset upper and lower limit values, and based on the comparison result, the above-mentioned A welding process control device for a magnetic arc welding machine, comprising: second and third comparators that respectively emit pass/fail determination signals regarding the arc gap point position and pressure welding end point position of the movable workpiece. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6459985U JPS614875U (en) | 1985-04-30 | 1985-04-30 | Welding process control device for magnetic arc welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6459985U JPS614875U (en) | 1985-04-30 | 1985-04-30 | Welding process control device for magnetic arc welding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS614875U true JPS614875U (en) | 1986-01-13 |
| JPH0230152Y2 JPH0230152Y2 (en) | 1990-08-14 |
Family
ID=30595834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6459985U Granted JPS614875U (en) | 1985-04-30 | 1985-04-30 | Welding process control device for magnetic arc welding machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS614875U (en) |
-
1985
- 1985-04-30 JP JP6459985U patent/JPS614875U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0230152Y2 (en) | 1990-08-14 |
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