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Cutter missing points – help required, please?
Hi All
I’ve developed a really annoying problem – I’ve taken to calling it the cutters under bite!
It only seems to struggle when the text is cutting length ways rather than width ways.
The cutter is old – GCC Ultra SignPal running off an XP machine cutting from Artcut software (it was the only one with the drivers).
I’ve tried everything to solve this – new cutting strip, every combination of cutter settings.
Is it time for a new cutter? (I did buy a cheap cutter off a popular auction site and it was hopeless, I mean really hopeless – so don’t really want to go through the same again). I don’t have the work load to justify spending a lot on a new top end cutter as it’s not my core business.
Any suggestions would be gratefully received!
Regards
Phil
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8 Replies
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That actually looks more like a font problem rather than a cutting problem, cutting an ark like that the blade shouldn’t lift at all, should be one continuous sweep.
Try zooming in really close on that letter O & seeing if there is a stray node there causing that.
As for the plotter if you have already tried a new cutting strip & blade then the next thing to look at is the blade holder, have a check to see if it wobbles about at all & that it goes up & down freely with out sticking at all. -
I’m afraid I disagree with my learned colleague. Yes it will cut the circle in a continouse arc, but it has to start and stop somewhere and my interpretation is this is the start and finish point we are seeing. This suggests to me some slippage in the "length ways" direction which could be caused by a loose grub screw connecting the drive motor to the rollers – or alternatively the vinyl slipping on the pinch rollers (which could be caused by dirt).
I rest my case m’lud 😮
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Had almost identical thing today… using the same artwork as the last van we did for the same customer just rescaled.
In my case it was a font/path issue.
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My Roland cx500 does that as well, but only with certain fonts. Therefore I have always assumed that the font was not put together properly.
I know there is no slippage because it can cut a square, then cut two meters of small lettering and come back to exactly the same point and cut the same square exactly.Simon.
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Incorrect offset and over cut?…..I would rule that out first.
John
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Thanks for the replies.
I checked the nodes all seems in order. I then started playing with the function settings, I changed the function setting from ‘detailed’ to ‘fine’ and also turned on the smooth function. I also went through all the offset possibilities until it was at its best.
There is an option for tangential cutting – enabled or not didn’t seem to make any difference!?! default is disabled.
Anyway result attached – cut vertical! I wish i’d fiddled with it when it started playing up – always figured defaults were the best settings
The cutter might be old and tired (bit like me 😀 ) but I really please it’s back to cutting ok.
Thanks again.
Phil
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tangential mode on a cutter is used for cutting small/detailed graphics. Not all plotters have this mode but it is useful when cutting things like very small text. The blade lifts at every node turns & then drops again rather than the blade being dragged round corners while still in the vinyl.
If you try it you will certainly notice the difference in noise levels from the plotter especially with something that has lots of nodes. -
Thanks Matin, I’ll try to remember that setting if I need it.
Phil
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