JPH0222272U - - Google Patents
Info
- Publication number
- JPH0222272U JPH0222272U JP9909388U JP9909388U JPH0222272U JP H0222272 U JPH0222272 U JP H0222272U JP 9909388 U JP9909388 U JP 9909388U JP 9909388 U JP9909388 U JP 9909388U JP H0222272 U JPH0222272 U JP H0222272U
- Authority
- JP
- Japan
- Prior art keywords
- rolled steel
- hot
- steel plate
- contact portion
- current
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Resistance Welding (AREA)
Description
第１図は本考案の一実施例に係る熱間圧延鋼板
の抵抗溶接装置の全体構成を示すブロツク図、第
２図は第１図の装置の変化例を示す要部ブロツク
図、第３図は第１図の装置の別の変化例を示す要
部ブロツク図、である。
１……コンタクタ、２……溶接トランス、３…
…入力端子、４……エアシリンダ、５……方向切
換弁、６……圧力スイツチ、７……エア供給口、
８……熱間圧延鋼板、９，１０……スケール層、
１１……鋼板本体、１２……ウエルドナツト、１
５……上部電極、１６……下部電極、１８……電
気装置、１９……コンデンサ、２０……充電用電
源装置、２１……放電検出コイル、２３……制御
装置、２６，３０……熱間圧延鋼板、２７，２８
，３１，３２……スケール層。
Fig. 1 is a block diagram showing the overall configuration of a resistance welding apparatus for hot rolled steel sheets according to an embodiment of the present invention, Fig. 2 is a block diagram of main parts showing a modification of the apparatus shown in Fig. 1, and Fig. 3. 2 is a main part block diagram showing another modification of the device shown in FIG. 1. FIG. 1... Contactor, 2... Welding transformer, 3...
...Input terminal, 4...Air cylinder, 5...Directional switching valve, 6...Pressure switch, 7...Air supply port,
8...Hot rolled steel plate, 9,10...Scale layer,
11... Steel plate body, 12... Weld nut, 1
5... Upper electrode, 16... Lower electrode, 18... Electric device, 19... Capacitor, 20... Charging power supply device, 21... Discharge detection coil, 23... Control device, 26, 30... Heat Inter-rolled steel plate, 27, 28
, 31, 32...scale layer.
Claims (1)
流を流す抵抗溶接装置に、溶接前に前記接触部を
介して熱間圧延鋼板に対し該熱間圧延鋼板の表面
に形成されているスケール層を電気的に破壊する
電流を放電する電気装置を設けたことを特徴とす
る熱間圧延鋼板の抵抗溶接装置。 A scale formed on the surface of a hot-rolled steel plate is applied to a resistance welding device that flows a welding current through a contact portion to the surface of a hot-rolled steel plate through the contact portion before welding. A resistance welding device for hot rolled steel sheets, characterized in that it is equipped with an electric device that discharges a current that electrically destroys the layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9909388U JPH0222272U (en) | 1988-07-28 | 1988-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9909388U JPH0222272U (en) | 1988-07-28 | 1988-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0222272U true JPH0222272U (en) | 1990-02-14 |
Family
ID=31325933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9909388U Pending JPH0222272U (en) | 1988-07-28 | 1988-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0222272U (en) |
-
1988
- 1988-07-28 JP JP9909388U patent/JPH0222272U/ja active Pending
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