From: Sandy King (sanking@clemson.edu)
Date: 12/31/03-09:30:53 PM Z
Temi,
Creating tension with a strip of wood involves first laminating up
thin strips of wood around a frame with an arc at each end, like
making a shooting bow. It is pretty simple to do if you are good at
woodworking and laminating. If you are not I would recommend finding
a source for spring steel. In addition to whatever sources have
already been mentioned I would also suggest McMaster-Carr and MSC.
Both have extensive on-line catalogs that will allow you to search
for what you need and they both sell spring steel of the size you
need.
Just for your information I measured the spring steel on one of my
larger contact printing frames and it is about 0.07" thick by 1.25"
wide. For a frame 20X24" in size I would recommend that the spring
steel be about 0.08" thick, with the same width. Once you bend it to
the right shape that should give you sufficient pressure.
Sandy King
>Hello Gord,
>Making tension with a strip of wood sounds like the best way for me.
>Yes, if your friend can provide info on this, it would be very much
>appreciated. Thank you. Temi
>
>-----Original Message-----
>From: Gordon J. Holtslander [mailto:holtsg@duke.usask.ca]
>Sent: Tuesday, October 08, 2002 11:04 PM
>To: alt-photo-process-l@sask.usask.ca
>Subject: Re: PRINTING FRAMES
>
>Hi:
>
>A friend of mine made a split back printing frame. He didn't use spring
>steel to tension it, but used a piece of wood, an oak laminate I think
>(he
>also builds boats as a hobby). I can ask him how he did this.
>
>Gord
>
>
>On Tue, 8 Oct 2002, Eric Nelson wrote:
>
>> I had a 20x24 mahogany printing frame made but it had
>> no spring backs, just some turn buckles, so I found
>> mine through B&S.
>> eric
>> --- Temi <Temi@TemiOriginals.com> wrote:
>> > I hope to build a print-out frame. Two questions
>> > have come up - 1/ Where
>> > can 'spring steel' be purchased? 2/ Does the
>> > thickness of the glass used
>> > have any effect on the exposure? - Thanks in advance
>> > - Temi
>>
>>
>> __________________________________________________
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>
>---------------------------------------------------------
>Gordon J. Holtslander Dept. of Biology
>holtsg@duke.usask.ca 112 Science Place
>http://duke.usask.ca/~holtsg University of Saskatchewan
>Tel (306) 966-4433 Saskatoon, Saskatchewan
>Fax (306) 966-4461 Canada S7N 5E2
>---------------------------------------------------------
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