JPS63122772U - - Google Patents
Info
- Publication number
- JPS63122772U JPS63122772U JP1232887U JP1232887U JPS63122772U JP S63122772 U JPS63122772 U JP S63122772U JP 1232887 U JP1232887 U JP 1232887U JP 1232887 U JP1232887 U JP 1232887U JP S63122772 U JPS63122772 U JP S63122772U
- Authority
- JP
- Japan
- Prior art keywords
- predetermined range
- welding machine
- spot welding
- maximum
- blank
- 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
- 238000003466 welding Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Resistance Welding (AREA)
Description
第１図は本考案実施例による空打ち検出装置の
ブロツク図、第２図は第１図に示した空打ち検出
装置に適用する電極間の抵抗値とサイクルとの関
係を示す線図である。
１……スポツト溶接機、１ａ，１ｂ……電極、
２……トロイダルコイル、３……抵抗演算器、５
……制御部、６……所定値入力装置。
FIG. 1 is a block diagram of a blank firing detection device according to an embodiment of the present invention, and FIG. 2 is a diagram showing the relationship between the resistance value between the electrodes and the cycle applied to the blank firing detection device shown in FIG. 1. . 1... Spot welding machine, 1a, 1b... Electrode,
2...Toroidal coil, 3...Resistance calculator, 5
. . . Control unit, 6 . . . Predetermined value input device.
Claims (1)
と、 この検出部材に接続されていて、上記電極での
通電開始から最大通電状態に達するまでの間待機
し、その最大通電状態での抵抗値の最大と最小の
各値を割出し、この差が所定範囲内の値であるか
どうかを判別し、所定範囲内に上記差が含まれる
ときには空打ちであることを指令する識別部とを
備えて成るスポツト溶接機の空打ち検出装置。[Claims for Utility Model Registration] A member for detecting the resistance value of an electrode of a spot welding machine; Determine the maximum and minimum resistance values in the maximum energized state, determine whether the difference is within a predetermined range, and if the above difference is within the predetermined range, it is determined that it is blank firing. A blank welding detection device for a spot welding machine, comprising an identification section for issuing a command.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1232887U JPS63122772U (en) | 1987-01-30 | 1987-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1232887U JPS63122772U (en) | 1987-01-30 | 1987-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63122772U true JPS63122772U (en) | 1988-08-10 |
Family
ID=30800358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1232887U Pending JPS63122772U (en) | 1987-01-30 | 1987-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63122772U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61119387A (en) * | 1984-11-14 | 1986-06-06 | Toyota Motor Corp | Missing article detecting method of welding device |
-
1987
- 1987-01-30 JP JP1232887U patent/JPS63122772U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61119387A (en) * | 1984-11-14 | 1986-06-06 | Toyota Motor Corp | Missing article detecting method of welding device |