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No problem :)

I live near enough to make day trips feasible

More than happy to help where ever I can :)

Mod is short for Module (metric module in this case)

No at all :) fire away.

Bill

Serif's Drawplus is a useful and accurate vector drawing tool with multiple export options, including DXF.

There's a free version here:
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Try here:
http://www.mycncuk.com/forums/showthread.php/1879-Cheap-Idea-for-a-DRO

Hmm. -4v seems low, but if it works... I know I'm abusing the serial port, but I've used this circuit many times may be the prolific device is different to mine???

BTW are you driving it from a...

Frankly, by the time you've screwed one together, it would be as cheap to buy one:

If you're happy with 10A then something like this for £119 + vat would do : It'll do 0-30v with 0-10A I-limit
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Pretty much. You need to ensure the DTI is dead on centre then compare opposite faces by rocking the chuck for a minimum reading

It is easier and more accurate if you trap another lathe centre...

Ah Sorry, I must have missed theat out of the installer script. (the inpout.dll is only required to handle the touch switch input on my panel-pc)

No not your fault :) I added the 'demo' option...

If you look at the multi-scale reader, I use an external PSU (wall-wart) to power the reader and off-set the supply to +3v5 and -1v5, so that the PC and scale grounds can be connected together.

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1300x295 is a big machine

Parkson 2N, 2V, 3N, 3V, M1300 ? - Tony Griffith (lathe.co.uk) has manuals, but his site is a little short on miller info generally (he's a lathe fanatic)

A good builders bubble level will be OK to a couple of mm over its length. A mechanist's level is capable of measuring to fractions of a mm. (e.g. <0.5mm/m) but at a price

You could probably make...

Export as bmp then use Serif PhotoPlus to convert to JPG

That is a very good idea (wished I'd thought of it :)) Reminds me of Mike Everman's servo belt idea (worth reading for belt info)

You'll probably need to gear down the drive from the...

OK Tim, I've the bits arrived yesterday.

I've made a new nut that will thread onto the shaft and lock to the existing 'top-hat' (which is how the original design worked) The new nut has a stub to...

If you need a simple way to keep your files backed up onto a USB stick, networked/removable drive second HDD, online server etc. etc. then I heartily recommend you try Allwaysync from:
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