Hi Nimesh
We have successfully welded 0.1mm SS304L strips by Resistance Spot Welding and the joint is quite strong.
Also you can try Auto-TIG by just fusing the joint with a 1/1.6mm tungsten rod,zero root gap,inverter power source.
Regards
Prem Nautiyal
Godrej,Mumbai
On Wed, 20 May 2009 17:32:08 +0530 wrote
>One more way of welding thin sheet with automation shall be by resistance
>welding
>
>
>
>From: PB HEGDE [mailto:hegde.pb@isgec.com]
>Sent: Wednesday, May 20, 2009 4:00 PM
>To: 'sigmaweld@electronicsdevices.com'; 'materials-welding@googlegroups.com'
>Subject: RE: 2153] RE: 2150] Re: Welding GI Sheets
>
>
>
>For thin sheet welding ,use autogenous welding ( w/o filler but to fuse the
>joint) with zero root gap
>
>Care should be taken for proper fixturing / clamping of the sheet
>
>
>
>Hegde
>
>
>
>From: Nimesh Chinoy - SigmaWeld [mailto:nchinoy@gmail.com]
>Sent: Wednesday, May 20, 2009 3:35 PM
>To: PB HEGDE; materials-welding@googlegroups.com
>Subject: Re: 2153] RE: 2150] Re: Welding GI Sheets
>
>
>
>
>We are trying to use automation in this case where it is difficult to use
>filler wire since the sheet is only 0.5mm and after welding the sheet needs
>to be formed (folded inside out) so deposition is not encoraged.
>
>The welding length is only 15 to 20mm.
>
>Any other suggestions.
>
>On Tue, May 12, 2009 at 10:06 AM, PB HEGDE
>
>Some time it is better to use ER 70S6 which has better deoxidizer
>
>
>
>Hegde p.B.
>
>ISGEC India
>
>
>
>From: materials-welding@googlegroups.com
>[mailto:materials-welding@googlegroups.com] On Behalf Of Ravinder Sharma
>Sent: Tuesday, May 12, 2009 9:17 AM
>To: materials-welding@googlegroups.com; nchinoy@gmail.com
>Subject: [MW:2153] RE: 2150] Re: Welding GI Sheets
>
>
>
>
>
>Use pulsed TIG.
>
>
>
>
>
>Ravinder
>
>
>
>From: materials-welding@googlegroups.com
>[mailto:materials-welding@googlegroups.com] On Behalf Of PREM SHANKARDUTT
>NAUTIYAL
>Sent: Monday, May 11, 2009 10:42 PM
>To: nchinoy@gmail.com
>Cc: materials-welding@googlegroups.com
>Subject: [MW:2150] Re: Welding GI Sheets
>
>
>
>Hi Nimesh
>
>Are u using any filler wire ?
>
>If yes then,trust you are using ER70S2 which is a good deoxidised wire.
>Also i would suggest you grind the area to be welded i.e WEP prior to
>welding. We have welded GI pipes with same procedure by TIG successfully.
>
>Regards
>
>Prem S Nautiyal
>Godrej,Mumbai.
>
>On Mon, 11 May 2009 10:49:13 +0530 wrote
>>Dear All,
>>
>>We are trying to weld Galvanised Sheets 0.5mm with GTAW. We find it
>>difficult to weld and get some blow holes. Results with CRC instead of
>>galvanised are much better.
>>
>>Is this because of the Zinc content ? Any suggestions ?
>>
>>Regards,
>>
>>--
>>Nimesh S Chinoy
>>
>>>
>>
>
>PREM S NAUTIYAL
>
>CELL : 9820313278
>
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>
>--
>Nimesh S Chinoy
>
>
>>
>
PREM S NAUTIYAL
CELL : 9820313278
 |
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