Chop say question

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Subject Author Date
Chop say question stryped 04-14-2008
Posted by stryped on April 14, 2008, 1:37 pm
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I have a 6 year old or so Delta chop saw. It does not seem to cut as
well as it once did and seems to loose power or spin slower than
normal while cutting.

Are there brushes or somethign that should be replaced in it?

Posted by Ned Simmons on April 14, 2008, 2:52 pm
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On Mon, 14 Apr 2008 10:37:59 -0700 (PDT), stryped

>I have a 6 year old or so Delta chop saw. It does not seem to cut as
>well as it once did and seems to loose power or spin slower than
>normal while cutting.
>
>Are there brushes or somethign that should be replaced in it?

If this is an abrasive saw, not a woodworking chop saw, your wheel is
glazed and/or loaded. Dress it with a dressing stick (or in a pinch,
an old bench grinder wheel) and it'll be good as new.

A coarse silicon carbide dressing stick costs less than $5.

--
Ned Simmons

Posted by spaco on April 14, 2008, 3:06 pm
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Agree totally with first reply. Take a close look at the edge of the
wheel. I'll bet it is rounded or of a veee shape instead of nice and
square (straight across).
In my experience this condition can be caused by cutting very wide
stock, let's say anything over about 1/2" thick by about 3 or 4 inches
wide with the stock laying down in the vise on it's wide side. The
wheel does not like to be contacting a lot of stock at any one time.
Once I make several cuts in a 1" thick by 5 inch wide bar. I finally
gave up and used my old reciprocating power hack saw.
Another thing that can cause this problem is if you are forcing the
wheel into the work crooked. This causes wear on the SIDES of the
wheel, so it has to cut more and more material as it goes down through
the work as the sides contact the unremoved metal. In this case, toss
the wheel and start all over, making sure alignment is correct and that
nothing is loose under the wheel.

Pete Stanaitis
-------------

stryped wrote:
> I have a 6 year old or so Delta chop saw. It does not seem to cut as
> well as it once did and seems to loose power or spin slower than
> normal while cutting.
>
> Are there brushes or somethign that should be replaced in it?

Posted by stryped on April 14, 2008, 5:24 pm
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> Agree totally with first reply. =A0 Take a close look at the edge of the
> wheel. =A0I'll bet it is rounded or of a veee shape instead of nice and
> square (straight across).
> =A0 =A0In my experience this condition can be caused by cutting very wide
> stock, let's say anything over about 1/2" thick by about 3 or 4 inches
> wide with the stock laying down in the vise on it's wide side. =A0The
> wheel does not like to be contacting a lot of stock at any one time.
> =A0 =A0Once I make several cuts in a 1" thick by 5 inch wide bar. =A0I fin=
ally
> gave up and used my old reciprocating power hack saw.
> =A0 =A0Another thing that can cause this problem is if you are forcing the=

> wheel into the work crooked. =A0This causes wear on the SIDES of the
> wheel, so it has to cut more and more material as it goes down through
> the work as the sides contact the unremoved metal. =A0In this case, toss
> the wheel and start all over, making sure alignment is correct and that
> nothing is loose under the wheel.
>
> Pete Stanaitis
> -------------
>
>
>
> stryped wrote:
> > I have a 6 year old or so Delta chop saw. It does not seem to cut as
> > well as it once did and seems to loose power or spin slower than
> > normal while cutting.
>
> > Are there brushes or somethign that should be replaced in it?- Hide quot=
ed text -
>
> - Show quoted text -

But I have bought a new abraisve wheel and it still cuts bad. (It is
meant to be a chop saw by the way. It is not a miter saw.)

Posted by Nick Mueller on April 14, 2008, 5:31 pm
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stryped wrote:

> But I have bought a new abraisve wheel and it still cuts bad.

I guess it is running the wrong way round. :-)


Nick
--
The lowcost-DRO:
<http://www.yadro.de>

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