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Nut? Singular? 75lbs each? that sounds just like an X2 and not an X3

There are 4 bolts on the X3 column to table joint

For details on links to files on disassembly etc, see this post
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page 53...of a 52 page document? :)

Does anyone know the function of the 'boost' connection from PL5 terminal 2 on the stepper driver board to MRS/RT on the Mitsubishi Freqrol Z024-S0.37K? Is it just a 'stop' or does it also change...

For oddball threaded rod like 3/8" BSW...
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BSW fasteners are rarer than they used to be but I'm puzzled you didn't try eBay

http://shop.ebay.co.uk/?_from=R40&_trksid=m38.l1313&_nkw=3%2F8%22+BSW&_sacat=See-All-Categories

or

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The first file is the (almost) definitive version of how to strip and rebuild the X3 (essential), the second is a general review of the machine, the next three are articles on an X3 conversion, the...

...or if you have a metric machine 100mm :)

Forget about using a die, use a cutoff bit of a bolt into a tapped hole. Retain the bolt with a high strength retainer like Loctite 601 or 638. Then when the thread wears you heat it up, use some...

The X3 is not the same as the SX3, the latter has a completely different drivetrain and a head that pivots.

The following guide might be useful for dismantling and rebuilding an X3 if you've never...

Both the X AND Y axis screws are RH threaded despite one well known published article on the X3 saying otherwise!

A paintbrush

The "X3 Preparation Guide" by arc euro in the UK is what you need!

http://www.arceurotrade.co.uk/projects/prepguides/X3%20Mill%20Preparation%20Guide.pdf

....and perfectly good dovetail slideways

Seems a crazy way to waste money on something that isn't really needed

If that is the case (and I'm sure it isn't) then the Gecko drives have a serious design problem.

Fuses are used to protect downstream components or wiring and emphatically NOT to destroy them.
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Avast detects that this site contains malware (VBS:Malware-gen)

I would love to investigate this site some more but not at the expense of my system.

You should ALWAYS fuse (or use mcb's) to protect the downstream items whatever they are. The fuse/shutdown protection in the stepper / servo drivers should, but might not always suffice for the...

Coming as I do from a 30 year background in high voltage transmission and distribution and dealing with high energy systems such as 50v and 110v battery banks that use hundreds of kg of lead in their...

Hate to disagree with you Mariss but I just have to on this point.

Any fuse or other protective device between the power supply and the drive is purely there to protect the wiring and the power...

Turning the stepper rotor by hand will do nothing except move the leadscrew. Mach 3 won't know it has moved. You could have rotary encoders on the leadscrew feeding back into mach 3 as you would if...

Not sure if it applies to the SX3 but when faced with a similar situation with my X3 being 'dead' I have usually forgotten two things

1) The speed pot wasn't at zero before starting
2) The...

It was intended as a rhetorical question, but in the circumstances I would have expected anyone concerned about bearing preload would have a lathe or, if they were in the back end of nowhere and...

There are many who know the X3 is a better machine. Much more reliable electronics, no flaky tapping function and a much lower price. The tilting head is possibly useful at first sight but a tilting...

Why would a nut *not* be square to the bearing?

Except *there are* bolt on kits available from a number of sources. One of them in the past even supplied ready drilled end plates with the counterbore holes on the wrong side.

I'm surprised things like this don't come up much more often with cnc conversion "kits" that are claimed to just bolt on.

In the case of the leadscrew end bearing mounts/handle bearings the taper...

nccams is my understanding of this process correct?

Assume the bearings are to be fitted in a back to back arrangement



Fixture:

There is a test fixture that can support alternately...

Instead of an axe?

ROFLMAO

I guess your angle grinder had problems hacking away at the baseplate :)


Mariss > 138,000

....because the X3 doesn't need any upgrades :)

A crude approach not many would intentionally take - although it would be interesting to see the remains of the bits you removed!

For fitting a belt drive surely you really only need to remove the...