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Best way to grind welds smooth

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Old Apr 18, 2006 | 01:31 PM
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Jmunk's Avatar
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Default Best way to grind welds smooth

A friend and I are trying to figure out the best way to ground MIG welds smooth on charge pipes, we've tried a normal angle grinder and it was hard to get it decently smooth, any ideas ?
Old Apr 18, 2006 | 02:17 PM
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Default Re: Best way to grind welds smooth

I use a little CP die grinder with a 90° shaft (as in, perpendicular to the handle) and a 3" Roloc. 24 or 36 grit will knock down the welds in a hurry.

Colin
Old Apr 18, 2006 | 02:22 PM
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Default Re: Best way to grind welds smooth

Die grinder.
Old Apr 18, 2006 | 02:23 PM
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Default Re: Best way to grind welds smooth

If they are going to be painted when done, just grind them downa dn then use a little body filler and sand by hand. You won't even be able to find them after painting if you do a decent job.

Later
Randy
Old Apr 18, 2006 | 02:30 PM
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Default Re: Best way to grind welds smooth

Angle Grinder and a High Grit Flap Disc!
Old Apr 18, 2006 | 03:19 PM
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Default Re: Best way to grind welds smooth

Would hardware stores have the flap disc ?
Old Apr 18, 2006 | 04:49 PM
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Default Re: Best way to grind welds smooth

yeah
Old Apr 18, 2006 | 04:57 PM
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Default Re: Best way to grind welds smooth

Unless you're getting full penetration, you'll probably be grinding half the strength off your welds.

If that's ok with you, it's your stuff to do with what you want.

Old Apr 18, 2006 | 05:06 PM
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Default Re: Best way to grind welds smooth

Originally Posted by Engloid
Unless you're getting full penetration, you'll probably be grinding half the strength off your welds.
If that's ok with you, it's your stuff to do with what you want.
i've never ground any of my welds flat either.



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