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Author Topic: Pen Up servo
Visualbyte
Beginner
Posts: 33
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Post Pen Up servo
on: February 28, 2015, 17:19
Quote

How is everyone fixing the servo to the gondola, I'm reluctant to glue it as that makes changing the servo horn if needed hard. I was going to drill some holes in it and use a cable tie but then the "Flying saucer" can't sit flush on the paper anymore.

sandy
Administrator
Posts: 1317
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sandy
Post Re: Pen Up servo
on: February 28, 2015, 19:27
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For ages I used these things http://www.3mdirect.co.uk/scotch-restickable-tabs-for-mounting-pack-of-18-tabs-1.html which are flexible, double-sided, reusable, restickable pads. I got mine from Rymans. They're really good for lots of things actually, but seem really expensive like a lot of 3M gear.

I switched to using strips of a stronger "permanent" adhesive pad simply because I found the motor had lifted after being left for 6 months. There was a bit of tension on the adhesive (gondola raised). The VHD tape I'm using now is indestructible. The down-side is it's non-reusable.

I'm less worried about it now that the servo up/down position can be adjusted in software.

sn
Visualbyte
Beginner
Posts: 33
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Post Re: Pen Up servo
on: March 1, 2015, 11:49
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Cheers just ordered some not sure why I didn't think of that..
DenisM
Newbie
Posts: 18
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DenisM
Post Re: Pen Up servo
on: March 2, 2015, 06:16
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For my case I use a classic neoprene glue.
Seem's to work so far.
DenisM
Newbie
Posts: 18
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DenisM
Post Re: Pen Up servo
on: March 3, 2015, 21:25
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Sandy,
I am currently working of a 19k point SVG picture. So it means that my pen lift servo will do same amount of pen up & down.
Do you have this kind of drawing "huge" sequence and does my servo motor will be stay operational ?
I am a little bit wondering on his

sandy
Administrator
Posts: 1317
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sandy
Post Re: Pen Up servo
on: March 3, 2015, 21:47
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The pen doesn't lift and drop for every point, only at the end of some lines. It's a lot, but I've seen worse. That said, those little servos are not indestructible.

sn
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