Mount decoration machine...

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GeoSpectrum
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Mount decoration machine...

Post by GeoSpectrum » Sun 08 Nov, 2020 8:13 pm

This is a bit of a lockdown project.

I’ve been building an xy plotter (a distant relative of a CMC) to see if it might have some utility for mount decoration. I’ve some way to go but the signs are promising. The video in the link below is about 2 mins long and shows the stage I’m
at. It’s mainly made from commercially available parts and a load of 3D printed parts. The heart of the contraption is a micro computer called an Ardunio. No idea where this is going but it keeps my brain ticking over.



image.jpg
Alan Huntley
Ashcraft Framing
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Rainbow
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Re: Mount decoration machine...

Post by Rainbow » Sun 08 Nov, 2020 9:59 pm

Very impressive, even if it does sound like a dentist's drill. I like your bamboo trivet as well :)

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Re: Mount decoration machine...

Post by Not your average framer » Mon 09 Nov, 2020 9:12 am

Very nice, but I'm not sure how much use I would ever get from something like that, pen lines on mounts is not something that I get asked for these days. Wraped deep bevels and painted mount reveals are much more common these days. Plus I think that I can easily match your machine for speed with my linning pen.
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Rainbow
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Re: Mount decoration machine...

Post by Rainbow » Mon 09 Nov, 2020 9:22 am

Are they pen lines? I thought they were just outlines of the mount to show how the lettering would appear :?: I can see a market for having text printed directly on to the mount instead of in a caption window.

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GeoSpectrum
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Re: Mount decoration machine...

Post by GeoSpectrum » Mon 09 Nov, 2020 9:46 am

I’m just sorting out mount templates and drew the lines to check dimensional accuracy. The machine will be able to draw just about anything on a mount. Lots of testing and modifications to go. It’s going to be a bit crude but functional.
Alan Huntley
Ashcraft Framing
Plain wood frames, Inlay/tray frames and painted frames for artists.
http://www.ashcraftframing.co.uk
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Gesso&Bole
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Re: Mount decoration machine...

Post by Gesso&Bole » Mon 09 Nov, 2020 1:54 pm

Are you wasted as a picture framer Alan?

Very impressive, but I'd want to oil that squeak . . . . .
Here for the love of picture framing - happy to share any knowledge I have

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GeoSpectrum
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Re: Mount decoration machine...

Post by GeoSpectrum » Mon 09 Nov, 2020 4:29 pm

Ha, thanks. The squeak is the servo that lifts the pen, I’m probably going to replace it with a stepper motor on the next iteration, which will be larger. This one is really just a proof of concept.
Alan Huntley
Ashcraft Framing
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http://www.ashcraftframing.co.uk
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Steve N
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Re: Mount decoration machine...

Post by Steve N » Tue 10 Nov, 2020 5:46 pm

There is already a machine to do this on the market, I saw it a couple of years ago on Facebook,
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GeoSpectrum
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Re: Mount decoration machine...

Post by GeoSpectrum » Tue 10 Nov, 2020 5:49 pm

Indeed, many.
Alan Huntley
Ashcraft Framing
Plain wood frames, Inlay/tray frames and painted frames for artists.
http://www.ashcraftframing.co.uk
Twitter: @AshcraftFrames
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Doing nothing is a much underrated activity

Not your average framer
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Re: Mount decoration machine...

Post by Not your average framer » Tue 10 Nov, 2020 5:55 pm

When are we going to see the Ashcraft / Geospectrum CMC? Could this be the need invention from Alan? I wonder!

:) :) :)
Mark Lacey

“Life is short. Art long. Opportunity is fleeting. Experience treacherous. Judgement difficult.”
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GeoSpectrum
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Re: Mount decoration machine...

Post by GeoSpectrum » Tue 10 Nov, 2020 6:07 pm

A bit to complex for a one man band. But I have thought about it....
Alan Huntley
Ashcraft Framing
Plain wood frames, Inlay/tray frames and painted frames for artists.
http://www.ashcraftframing.co.uk
Twitter: @AshcraftFrames
Our Blog: http://ashcraftframing.wordpress.com/
Doing nothing is a much underrated activity

Not your average framer
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Location: Devon, U.K.
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Re: Mount decoration machine...

Post by Not your average framer » Tue 10 Nov, 2020 7:01 pm

Hi Alen,

Have you ever heard of Harmonic drive zero backlash drive mechanisms? I worked for one company, which used them for accurately pionting pan and tilt mechanisms and weapons aiming sysets. We were able to work to an acuraccy of plus, or minus 1.5 minutes of arc. That is one thirtith part of one degree. The harmonic drive not only reduces the input retation to and output rotation of 100 times less, but there is a corresponding increase in the available torque available at the output compared to the available input torque.

Harmonic drine also macufacture combined harmonic drive, DC motors, tacho generators and Digital possition sensing at the output shaft. A special extra minute pan and tilt unit was produced to accurately point the camera at who ever was speaking at the time for televising the British Parlement house of commons. I was one of the engineers on the teams that designed this pan and tilt unit and therefore can tell you from first hand experience that this is the means of producing the level of accuracy and control, if you ever though of taking this idea futher.

Check out the video:[https://www.bing.com/videos/search?q=ha ... 95FD&&FORM
Mark Lacey

“Life is short. Art long. Opportunity is fleeting. Experience treacherous. Judgement difficult.”
― Geoffrey Chaucer

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GeoSpectrum
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Re: Mount decoration machine...

Post by GeoSpectrum » Tue 10 Nov, 2020 9:13 pm

Thanks Mark, that would be over engineering somewhat. I’m using some 3D printed parts and standard linear motion components and steppers. This stuff can get very expensive very quickly.
Alan Huntley
Ashcraft Framing
Plain wood frames, Inlay/tray frames and painted frames for artists.
http://www.ashcraftframing.co.uk
Twitter: @AshcraftFrames
Our Blog: http://ashcraftframing.wordpress.com/
Doing nothing is a much underrated activity

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