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  #16 (permalink)  
Old 07-18-2011, 08:49 AM
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Quote:
Originally Posted by NEW INTERIORS
They are called a ''CUT OFF WHEEL'' for a reason.. NOT !!! A grinding wheel.. Remember when working with ''ANY'' POWER TOOL... you have to be smarter then the tool your using..... Do your grinding with what is made for grinding..... It's real easy to understand..

You play with a snake long enough,, And you just might get a snake bit..
You are so correct, some folks sure do pay a big price to learn not to be lazy, the old right tool for the job thing.

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  #17 (permalink)  
Old 07-18-2011, 09:12 AM
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I think maybe most people don't just grab up a grinder with a cut-off wheel with the intent to use it for that purpose. Rather most cases of misuse are due to needing to knock down a nub or some other really small situation and the cut-off wheel is already being used or is what happens to be installed on the grinder at the time, still misuse and totally inexcusable. Most of us have probably been guilty on occasion of using the wrong tool because it was convenient at the time but this is one tool that will bite if given the chance and while I have been guilty of misusing cut-off wheels in the past it will not happen anymore.
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  #18 (permalink)  
Old 07-18-2011, 09:42 AM
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Just a small addition, be careful when you set the tool down. I never leave the tool setting on the disc, I carefully set it on it's back, and of there is any nick in the disc it gets tossed. I have seen too many shatter to mess with being cheap and not careful, they can literally shatter like a bomb set them off.

As far as grinding discs go, I tend to use the entire disc rather than the edge. I don't care to try to trim the outside edge as it wears. Of course this will depend on what you're working on.
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Old 07-18-2011, 05:32 PM
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Hilti or other industrial grade discs are better to use- in general- than the cheap imported stuff at the corner parts store.

However, I was in a bind so I was kind of forced to get the cheap stuff. It works, but just like the small dremel cutoff wheels- they shatter easily. Even with those lil dremel tools, always wear eye protection!

(even if you run the good cutoff wheels)
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  #20 (permalink)  
Old 07-18-2011, 05:39 PM
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Quote:
Originally Posted by unix
You are so correct, some folks sure do pay a big price to learn not to be lazy, the old right tool for the job thing.


I feel if your to lazy to change the wheel... Well !!! you should learn first hand.. I have a grinder for every wheel I use... And I too was lazy.. But I also knew that it was wrong to use it that way, And bought more grinders so my laziness wouldn't get me hurt.... I don't always follow safety to the fullest.... But I do know you ''DON'T'' use a cut off wheel to grind with...

You don't aways do something because you can !!!!!
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  #21 (permalink)  
Old 07-18-2011, 09:43 PM
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so, to follow this same train of thought.
dont dress up anything you just cut in the 14" chop-saw, with the side of the chop-saw disc.
i'm guilty of this also
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  #22 (permalink)  
Old 07-19-2011, 11:25 AM
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cut off wheels

I use the cut off wheels for grinding down MIG welds. I take 3 & stack them together, creating a wider disk so to speak. I don't bear down on the welds much to try & reduce the side loads as much as possible.

I don't know of any other tool that can grind the welds as good as this, regardless of time.

Mike.
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Old 07-19-2011, 12:06 PM
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Quote:
Originally Posted by Hot Rod Mike
I don't know of any other tool that can grind the welds as good as this, regardless of time.Mike.


Have you tried flap discs? I have found nothing better for grinding welds than flap discs. Nothing beats flap discs for blending and they come in a wide variety of grits, personally I like the Zirconia grits best since they cut faster but they seem to heat the metal a little faster also (that may very well be more just imagination on my part however).
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Old 07-19-2011, 12:16 PM
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flap discs ?

Quote:
Originally Posted by oldred
Have you tried flap discs? I have found nothing better for grinding welds than flap discs. Nothing beats flap discs for blending and they come in a wide variety of grits, personally I like the Zirconia grits best since they cut faster but they seem to heat the metal a little faster also (that may very well be more just imagination on my part however).
Oldred,

No, I haven't tried them on grinding welds. I have used them for other reasons. I'll give them a try

Thanks,
Mike.
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Old 07-19-2011, 12:16 PM
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Ok, I'm going to highjack my own thread.


I notice that Black&Decker and DeWalt both have "Extended service" grinding discs and cut-off discs that are supposed to last a lot longer, I may be off a bit but I think they claim better than a 50% increase in service life? Have any of you guys compared these things and if so do you think they are worth the extra cost? I usually just pay the extra cost and buy them instead of the standard discs but honestly are they really worth it? I really can't say I see any difference in them but since I just do hobby work anymore I just don't use any of them enough to make any kind of meaningful assessment.
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  #26 (permalink)  
Old 07-19-2011, 12:21 PM
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Quote:
Originally Posted by Hot Rod Mike
No, I haven't tried them on grinding welds. I have used them for other reasons. I'll give them a try

Thanks,
Mike.

I usually use a 60 grit for grinding body panel welds and I have discovered that by using very light pressure I had less trouble with heat warping than anything I have ever used.
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  #27 (permalink)  
Old 07-19-2011, 01:39 PM
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You do have to be careful with the flap wheels when grinding welds. Once the edges get well rounded, you can 'slip' off of the bead and end up grinding too much parent metal, creating waves.
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  #28 (permalink)  
Old 07-19-2011, 04:31 PM
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Quote:
Originally Posted by oldred
I think maybe most people don't just grab up a grinder with a cut-off wheel with the intent to use it for that purpose.


Yea !!! your right.... But that doesn't change anything.... A drinker doesn't think he may drive home and kill someone either...I really don't think he intent to kill someone are wreak his truck into a tree either... But it happens...

Most short cut in life usually get you into trouble..
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  #29 (permalink)  
Old 07-19-2011, 05:33 PM
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Quote:
Originally Posted by NEW INTERIORS
Yea !!! your right.... But that doesn't change anything.... A drinker doesn't think he may drive home and kill someone either...I really don't think he intent to kill someone are wreak his truck into a tree either... But it happens...

Most short cut in life usually get you into trouble..


I think I basically said that already but you only quoted part of what I said!



Quote:
Originally Posted by Oldred
I think maybe most people don't just grab up a grinder with a cut-off wheel with the intent to use it for that purpose. Rather most cases of misuse are due to needing to knock down a nub or some other really small situation and the cut-off wheel is already being used or is what happens to be installed on the grinder at the time, STILL MIS-USE AND TOTALLY INEXCUSABLE
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  #30 (permalink)  
Old 07-19-2011, 05:44 PM
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Well !!! I only quoted that part because you looked like you where making a excuse towards what I was trying to say about being lazy..

You can look at it anyway you want to... IT'S BEING LAZY !!!!

And when you try to take short cut's... Be ready for what happens....
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