[Shop-talk] Cutting canvas rolls?

[Donald H Locker]

Sorry for the previous off-list reply (I didn't realise I hadn't replied
on-list...) and thanks for bring it back.

In any case, have you considered something like a bow saw with the blade
reversed? Or a hacksaw with the blade reversed? It occurred to me that
one needn't roll the roll entirely across the blade; one could roll
partway, move the blade forward (or backward) then roll under the blade
again.

Clearly, I'm thinking still of a toothless solution. These ideas may
also be brainless; just tossing them out!

Best of luck,
Donald.

On 2023-06-15 12:12, Jim Franklin wrote:
>
>> On Jun 14, 2023, at 6:35 PM, Donald H Locker <dhlocker at protonmail.com> wrote:
>>
>> 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 down quickly.
>
>> 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.
>>
>> 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 stout and I don't see it working.
>
> A rotary razor is ideal, but the best I can come up with is a disc grinder which doesn't have the depth.
>
> Thanks for all the ideas so far.
>
> jim
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