wrigglypig
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| posted on 21/11/08 at 10:32 PM |
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To grind or not to grind
Tomorrow I hope to start the chassis and was just wondering the welds on the outside faces of the chassis , should they be ground off afterwards???
What have others done? does grinding them down significantly weaken the joint?
Your thoughts?
Kev
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blakep82
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| posted on 21/11/08 at 10:38 PM |
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depends how far you grind them 
i'f they don't look REALLY messy, and don't cause problems getting in the way of bodywork and stuff, i'd leave them
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Mr G
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| posted on 21/11/08 at 10:41 PM |
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Penetration, Penetration, Penetration sir
Plus the norm is to bead with PU adhesive as well remember 
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tegwin
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| posted on 21/11/08 at 10:52 PM |
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As above..... if they get in the way of pannels etc... grind...
But if not... leave them alone... clean of spatter... but leave the weld alone....
It might add a tiny bit of weight... and look a little bit ugly... but it could save your life!
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wrigglypig
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| posted on 21/11/08 at 10:56 PM |
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My thoughts exactly. cheers guys.
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nitram38
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| posted on 22/11/08 at 06:44 AM |
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If you are really fussy, put a 45 degree chamfer on these edges before you weld and your weld will fill the valley formed.
Tig welding would be better and then you could see the weld being laid down.....
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907
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| posted on 22/11/08 at 08:17 AM |
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Hi Kev,
A flap disc is the tool to use.
HTH
Paul G
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paul the 6th
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| posted on 29/11/08 at 12:02 AM |
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http://www.mig-welding.co.uk/finishing-welds.htm
first pic & fourth pic demonstrate the capabilities of a flapdisc I just need to find out where to buy them now
GoDesign.me.uk - Self Adhesive Vinyl Artwork, Wide Format Printed Artwork and Customised Heat
Pressed Clothing...
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David Jenkins
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| posted on 29/11/08 at 09:57 AM |
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They can usually be found anywhere that sells angle grinder discs. I found it useful to buy 2 - one coarse and one fine.
Whatever you get, remember that a light touch is most effective.
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blakep82
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| posted on 29/11/08 at 11:19 AM |
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halford have them for a start
________________________
IVA manual link http://www.businesslink.gov.uk/bdotg/action/detail?type=RESOURCES&itemId=1081997083
don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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MikeRJ
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| posted on 29/11/08 at 04:32 PM |
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The standard flexible disks + backing pad for angle grinders also do a good job at cleaning up welds.
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