sonic/laser measure

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Subject Author Date
sonic/laser measure Emimec 04-02-2008
Posted by on April 4, 2008, 6:08 pm
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>
>
> > John Montrose wrote:
>
> >> As well as the other responses, consider this: the sonic or laser will
> >> reflect off the blade itself. The carbide tips that do the cutting are
> >> slightly wider than this.
>
> > I believe Bob is talking about a MEC style cold cutoff saw. They use HSS
> > blades normally 2mm thick.
>
> > Wayne....
>
> Yes, your right, it is a MEC saw. I measure from the right of the blade, so
> blade thickness not a problem, and it is HSS.
> Some very interesting replies here worthy of me doing some research.
> I like the look of the extending wire idea.
> My saw has to the right of the blade a 2 metre long material support table,
> with an upright length that the stop block slides along, so the other
> suggestion of a stick on type of glass scale that a DRO head could pick up
> on is also worth exploring. I have a German made 2 metre rule in use for
> setting the stop block. This with the magnifying glass is ok, but if you
> look slightly to one side of the stop block, its easy to go undersize when
> measuring steel lengths that final size with half a mill in the total. This
> then wastes that length, and has to be used on the next order that is
> shorter. Lengths up to one metre are set with my 1 metre vernier, and the
> magnifying glass !!!!
> Bob

Hello Bob if you have a two metre rule I have a couple of the old
Heidenhein optic readers in metric setup, don't know whether they
would read your rule but if fixed to the sliding stop to read along
the rule might be a cheap and easy result. Cheers Colin

Posted by Richard on April 3, 2008, 4:01 pm
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On Wed, 2 Apr 2008 22:23:44 +0100, "Emimec"

>I cut many varying lengths, to a bar stop, on a chop saw. I was wondering if
>a sonic or laser measure with some sort of digital readout could be
>incorporated in the bar stop to give a quick and accurate distance measure
>from the blade. Lengths cut vary from 500mm to 1500mm, including half a mm
>measurements. By that I mean one length could be 1037.5mm, and needs to be
>as spot on as it can be, (currently done with a steel 2 metre rule and
>magnifying glass!!!)
>Anyone done this or can point me in the right direction, the purpose of the
>idea being speed of set up with accuracy.
>Bob
>

Renishaw used to do a steel tape equivalent fo a glass scale, but it
would't be 'cheap'. They were a few hundred £ as I recall and that was
10 years ago.

You could perhaps arrange some fixed stops at known points and butcher
one or more el cheapo Aldi/Lidl digital verniers.

Richard


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