On May 11, 6:36 pm, "Trevor Wilson"
<trevor@[EMAIL PROTECTED]
> wrote:
> "the_dawggie" <the_dawg...@[EMAIL PROTECTED]
> wrote in message
>
>
news:03bf65f4-4893-42b1-8383-d2e923cb526c@[EMAIL PROTECTED]
>
>
>
> > On May 11, 5:02 pm, "Trevor Wilson"
> > <trevor@[EMAIL PROTECTED]
> wrote:
> >> I had to cut some 8mm steel yesterday and today. I dusted off my
trusty
> >> 9"
> >> angle grinder and set to work. I wore out one wheel (Flexovit)and the
> >> only
> >> one I had available was an 8" Flexovit (Aussie made). I wore it out
in
> >> short
> >> order. It's cutting performance was what I would term "satisfactory".
> >> About
> >> 2cm/minute (best guess). I toddled off to Bunnings this afternoon to
buy
> >> some more wheels. Unfortunately, the Flexovit wheels had the wrong
size
> >> mounting hole, so I purchased a 5 pack of Trojan (Chinese made)
branded
> >> wheels. Hopeless cutting performance. I mean, REALLY BAD. It took
about 5
> >> minutes to cut 2cm. The wheel didn't wear down and faster or slower
than
> >> the
> >> Flexovit. It just hardly cut the metal at all.
>
> >> What gives?
>
> >> The technology is hardly state of the art. All wheels are rated for
> >> ferrous
> >> metal cutting. Since most of my cutting is done with a 4" grinder,
this
> >> is
> >> not something I've experienced before. I've not experienced this sort
of
> >> poor performance when cutting concrete, bricks and stone. Are all
these
> >> Chinese wheels bad, or did I get a bad batch?
>
> >> The Torjans are going back on Monday. I doubt that I'll buy them
again.
>
> > I've used a GMC drop saw with the appropriate very large
> > discs and the kit to line stuff up - they tend to work.
>
> > Angle grinder is for a different purpose, sure can use it,
> > however you would need to get the cut perfect. The metal
> > cutting drop saw is essential for getting welds right.
>
> **I appreciate that. However, the cuts are not critical. I just need
> clearance for the job. +/- a couple of cms is fine. Cosmetics don't
matter,
> since it will be covered anyway.
Structural strength might.
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