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Hi all,
I know you can change the direction of a 3-phase motor by swapping 2 of the phases,
I also think you can get a rotary type switch that has a off position in the center and runs the motor in...

Cheers for the info,
I have checked some of these scales (for example mesuering a 8" nominal over the full 9.5" travel) and they are more than good enough for what we reguire, In fact, I don't have...

I don't have a plotter and my laser printer only handles A4 paper so not quite big enough to do it on one sheet,

I suppose in this day and age you could count a computer and laser printer as...

Thanks!
I knew all that learning the forced into me at school would come in usefull!

Just goes to show - If you stop using it you forget it even exists!

Hi all,
I need to put 12 holes on a 10" circle.
This is on a 1/2" thick block of alloy..
I also need another 4 holes on a 4.5" circle inside of the 12.

What is the best way of marking this out...

Hi all!
I have to replace one of the scales on my mill,
The readout (and the old scale) have the 6-pin round amphnol style connector.
All the newer scales I am looking at have the 9-pin 'D'...

Hi,
Stupid question but..
I need some new cables for the welder so I got some 35mm2 welding cable.
The local electric shop sold me some cable lugs to fix the cable to a 8mm post.
The lugs I have...

Hi all,
I am looking to set up a vacuum system around the workshop.
This will be used (hopefully) for clamping down work stock, with the 'cups' for handeling sheet steel and de-gassing resin /...

Hi all,
I often have need to put large holes into stainless steel and aluminum,
I have a boring head for my mill and a boring bar for the lathe.

To make a hole big enough for the boring bar to...

Hi all,
I have been absent for a while due to spending all my time on my table construction!!

Anyway, it's coming along well. The gantry and table are mostly done.

My next problem is working...

Hi,
Thanks for the tips!

Regarding the bit aout travel- I went for a scale longer than the actuall travel.

The cross slide on the lathe is 7.5" so I bought an 8" scale.

The actuall travel...

Also ;-)
When mounting these things (I know the bit about getting them square)

Looks like the easiest way is to mount the scale to the table and the head to the machine.
This would mean that the...

Hi Guys,
I am trying to set up my lathe and mill with glass scales.

I started with the shortest axis (because it was the cheapest!)
This was the Y (crossfeed) on my lathe.

The actuall travel...

Hi all!
Does anybody know much about the connectors that come on the glass scales?

I have been looking for some used scales (I can't afford new ones!) and they seem to have 5, 6 or 9 pin...

If the motor is changing direction without you asking it sounds like a feedback problem internally.
Try removing the motor and running it out the machine and try loading it up by hand.
While its...

Looks like it had lost power at some time during programing.
I shorted out the internal battery for a few seconds (with a lightbulb) and it now works fine.
Well, almost fine.
Some of the keys are...

Flicking through the on screen settings on the dro,
it looks like you can set any of the axis inputs to linear or rotary.
When you chose 'rotary' you have to tell it how many 'steps' your encoder...

That would be perfect!
I don't have any scales at all as of yet so I dont want to spen a fortune without knowing if the dro's even work!
Thanks!

I don't have a quill feed on my baby.
Keeping it free for a rotary table is a good idea.

I will proabally end up with an older, manual rotary table. Is it fairly simple to add an encoder to it?

Hi,
Just found a Anilam Wizard 4 axis Dro for my milling machine.

With X and Y on the Table and Z on the knee what would you use the 4th axis for?

The mill has no quill feed but it looks like...

Hi,
Just found a Acu-rite 4-axis Turnmaster DRO for my lathe.

How many scales is it worth getting?

I thought about getting X Y and the toolpost slide and maybe seing if I could rig up a rotary...

Hi,
I have a Dalem 305 cnc shear controller.

It's the controler only but have a search for it on theire website and see if its the sort of thing your after..

Hi,
I have now found the dro's for both my lathe and my mill.

I just need the scales!

Anybody know of a place that sells them used?

I am in the U.K. so either a local supplier or somebody...

Hi all!

For the x axis on a plasma table I would like a 2 meter travel.

I am looking at linear rail and bearings (used) for the carriage.

It seems to work out cheeper to buy 2 x 1m lengths...

Hi all,
I have just bought a used Anilam SuperWizard read out hoping to fit it to my milling machine.

When I power it on It shows the welcome screen and says 'power has been turned off since last...

I do a lot of work with caarbon fibre hence I know a little about getting epoxy to impregnate..

So of the items that are too large to go into an autoclave (or not wort the claving cost) get vaccum...

Hi all,
I have been given one of these:
http://www.delem.com/index.php?id=59&type=1

My evil plan for it (they are made for controling shears) is to use it for a plasma cutter to cut stright...

I will be cutting tube up to 2.5"o/d with a thickness of up to 1/8". The fit between the pipes has to be up to tig welding. so close but not that close :)

As you get a slight bevel with the plasma...

Hi,
I have nearly finished my cnc table (waiting for a machine torch to arrive) and, not being the waiting around sort, am starting a tube notcher.

I will be cutting tube up to 2.5"o/d and up to...

Thanks for the info!

I have a full filter setup attached, filters oil and water etc.

According to the table I will get 140 Litre/Min from a 5cfm compressor.

The thing is, I have been trying...