Subject: [Shop-talk] Cutting canvas rolls?

From: Jim Franklin <[email-masked]>
Date: Wed, 14 Jun 2023 18:21:49 -0400

I have a friend who has 3 12" diameter rolls of coated canvas she needs to cut into smaller lengths. They tried hand cutting with a toothed blade but the teeth get caught in the canvas threads and tear it. I have a sawzall but I don't know if the blade speed will be fast enough to overcome the pull of the threads. Is there a non-toothed way to cut this? The rolls are 12 feet long now and quite heavy, 2-3 people to lift, so a floor solution would be best. 

thanks,
jim
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From: Pat Horne <[email-masked]>
Date: Thu, 15 Jun 2023 13:46:25 -0500

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I=E2=80=99ve also seen paper shears in print shops that can cut close to a f=
oot of paper, might look into that but it would require taking the rolls som=
ewhere.=20

Pat Horne=20
We support Habitat for Humanity

On Jun 15, 2023, at 1:35 PM, [email-masked] wrote:

=EF=BB=BFI don't know if you are near NJ, but I have 2 massive bandsaws (one=
 wood and one metal) with fine tooth blades.  You're welcome to try them.=20=

If not, one crazy idea would be to fill the core so it's solid, and visit yo=
ur local fire department and see if they can use their jaws of life cutter o=
n them. 8>)=20

Moose=20

From:        Jim Franklin <[email-masked]>=20
To:        Shop Talk <[email-masked]>=20
Date:        06/15/2023 01:00 PM=20
Subject:        Re: [Shop-talk] Cutting canvas rolls?=20
Sent by:        "Shop-talk" <[email-masked]>=20

> On Jun 14, 2023, at 6:35 PM, Donald H Locker <[email-masked]> wro=
te:
>=20
> Is the objective to cut the 12ft roll length into shorter rolls, or to
> cut the rolled canvas into shorter 12ft-wide lengths?

Yes, from 12' long down to 4' long.

They tried unrolling and it's many dozens of yards long so that got shut dow=
n quickly.

>=20
> Assuming the former, the cutting tool must have no teeth but must be
> able to cut through the depth of the roll. A knife at least four feet
> long (to be able to cut the full circumference of the first pass) long
> will be required. Rolling the canvas rolls on the floor while pressing
> the knife on it is the only way I know to achieve a clean cut. The knife
> MUST be sharp and very stiff.
>=20
> If the latter, a utility knife is the right answer.

I have never seen a four foot utility knife :-)

An electric turkey carver is my goto for stuff like foam but the canvas is s=
tout and I don't see it working.=20

A rotary razor is ideal, but the best I can come up with is a disc grinder w=
hich doesn't have the depth.=20

Thanks for all the ideas so far.

jim

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ve

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">I=E2=80=99ve also seen paper shears in prin=
t shops that can cut close to a foot of paper, might look into that but it w=
ould require taking the rolls somewhere.&nbsp;<br><br><div dir=3D"ltr">Pat H=
orne&nbsp;<div>We support Habitat for Humanity</div><div><br></div></div><di=
v dir=3D"ltr"><br>On Jun 15, 2023, at 1:35 PM, [email-masked] wrote:<br><=
br></div><div dir=3D"ltr">=EF=BB=BF<font size=3D"2" face=3D"sans-serif">I do=
n't know if you are near NJ, but I
have 2 massive bandsaws (one wood and one metal) with fine tooth blades.
&nbsp;You're welcome to try them.</font>
<br>
<br><font size=3D"2" face=3D"sans-serif">If not, one crazy idea would be to f=
ill
the core so it's solid, and visit your local fire department and see if
they can use their jaws of life cutter on them. 8&gt;)</font>
<br>
<br><font size=3D"2" face=3D"sans-serif">Moose</font>
<br>
<br>
<br>
<br><font size=3D"1" color=3D"#5f5f5f" face=3D"sans-serif">From: &nbsp; &nbs=
p; &nbsp;
&nbsp;</font><font size=3D"1" face=3D"sans-serif">Jim Franklin &lt;jamesf@gr=
oupwbench.org&gt;</font>
<br><font size=3D"1" color=3D"#5f5f5f" face=3D"sans-serif">To: &nbsp; &nbsp;=
 &nbsp;
&nbsp;</font><font size=3D"1" face=3D"sans-serif">Shop Talk &lt;shop-talk@au=
tox.team.net&gt;</font>
<br><font size=3D"1" color=3D"#5f5f5f" face=3D"sans-serif">Date: &nbsp; &nbs=
p; &nbsp;
&nbsp;</font><font size=3D"1" face=3D"sans-serif">06/15/2023 01:00 PM</font>=

<br><font size=3D"1" color=3D"#5f5f5f" face=3D"sans-serif">Subject: &nbsp; &=
nbsp;
&nbsp; &nbsp;</font><font size=3D"1" face=3D"sans-serif">Re: [Shop-talk]
Cutting canvas rolls?</font>
<br><font size=3D"1" color=3D"#5f5f5f" face=3D"sans-serif">Sent by: &nbsp; &=
nbsp;
&nbsp; &nbsp;</font><font size=3D"1" face=3D"sans-serif">"Shop-talk"
&lt;[email-masked]&gt;</font>
<br>
<hr noshade=3D"">
<br>
<br>
<br><tt><font size=3D"2"><br>
<br>
&gt; On Jun 14, 2023, at 6:35 PM, Donald H Locker &lt;[email-masked]=
m&gt;
wrote:<br>
&gt; <br>
&gt; Is the objective to cut the 12ft roll length into shorter rolls, or
to<br>
&gt; cut the rolled canvas into shorter 12ft-wide lengths?<br>
<br>
Yes, from 12' long down to 4' long.<br>
<br>
They tried unrolling and it's many dozens of yards long so that got shut
down quickly.<br>
<br>
&gt; <br>
&gt; Assuming the former, the cutting tool must have no teeth but must
be<br>
&gt; able to cut through the depth of the roll. A knife at least four feet<b=
r>
&gt; long (to be able to cut the full circumference of the first pass)
long<br>
&gt; will be required. Rolling the canvas rolls on the floor while pressing<=
br>
&gt; the knife on it is the only way I know to achieve a clean cut. The
knife<br>
&gt; MUST be sharp and very stiff.<br>
&gt; <br>
&gt; If the latter, a utility knife is the right answer.<br>
<br>
I have never seen a four foot utility knife :-)<br>
<br>
An electric turkey carver is my goto for stuff like foam but the canvas
is stout and I don't see it working. <br>
<br>
A rotary razor is ideal, but the best I can come up with is a disc grinder
which doesn't have the depth. <br>
<br>
Thanks for all the ideas so far.<br>
<br>
jim<br>
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