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It's not necessary to use a stepper motor to drive the machine, although it does work - it's just knowing when the needle is clear of the work...
Fortunately, the machine completes one stitch for every revolution of it's main shaft - by using an opto-switch it is possible to sense the...
Hi MTO, I just tried it and can confirm that 'post-permalink' should not be in the link. Thanks for reporting the problem, this looks like a job...
Maybe, one day I will give it a try. :) Tweakie.
Excellent work SJD. :thumbsup: Tweakie.
Hi Norm, Could you perhaps post a couple of pictures of your machine's construction to give us a better idea of the problem relating to the...
You don't need 3D software unless you intend to machine 3D things (well it's 2.5D really) so 2D software may be just fine for your intended...
Hi Charlie, Welcome. It depends, to a large extent, on how much you are prepared to spend on software. My choice would be the Vectric CAD/CAM...
If it's any help, here is Dave's calculator in Excel format. Tweakie.
Nice one Gray. :thumbsup: I think that's a great application for our CNC machines (must admit to having to resort to Google to find out exactly...
Excellent :thumbsup: Thank you for posting such a useful resource. Tweakie. (for those with MS Office, attached is an Excel version of Dave's...
Unfortunately this is where compromise has to come into the equation. The ideal speeds and feeds assume a rigid, industrial type of machine (no...
Very nice work with those plates Sly :thumbsup: Tweakie.
Hi David, I think that is pretty normal - it will loosen up as it beds in. ;) Tweakie.
I really don’t know just how it does work (because science dictates that it does not) but I have known JJW for a good few years and if he says it...
Interesting one this because the laws of spectral physics tells us that combining two laser beams in this manner does not work yet from practical...
Just modified my original post, after re-reading it, to correct my error. Basically, when using two motors to drive a single axis you need to...
Who says ?? Tweakie.
Two motors, each with their own drivers and sharing the same Step and Direction signals and two motors being run by the same driver is not good...
Thanks David - a good suggestion. :thumbsup: Tweakie.
