View Full Version : CONVERSION: Sieg X2 CNC Conversion

29-12-2012, 10:20 PM
Hi all

So, I have now decided to convert a Sieg X2 mill to cnc first to play with and to make my own cnc router table, bought a conversion plan off eBay, ordered all the materials etc, problem being you need a milling machine to make most the bits!

my question is, has anyone gone down this route or would anyone be interested in some machining for a reasonable fee? I have the drawing on pdf

any thoughts?

many thanks


29-12-2012, 11:06 PM
I'm aware of a couple X2 conversions on here, as I did consider converting one.
Have you checked out cnczone?
I know most are US based, but there are a good few over there. The big thread of interest is Hoss's, as he pretty much took his as far as he could before upgrading to a bigger mill.

As for making the bits, an X2 is a mill ;-)
Doing bits manually makes you appreciate the benefits (and drawbacks!) of cnc.

30-12-2012, 12:54 AM
Hi M_C

I know, I've made one piece and it took me ages, all the bit are delrin though, you never know I might find someone on here :)


30-12-2012, 01:45 PM
Post up a RFQ with some details, and I'm sure you'll find someone to make the bits for you.
Out of curiousity, what plans did you buy?

30-12-2012, 03:33 PM

http://www.ebay.co.uk/itm/Sieg-X2-CNC-Conversion-Drawings-XYZ-lead-screws-leadscrews-for-NEMA-23-motors-/140894734103?pt=UK_BOI_Metalworking_Milling_Weldin g_Metalworking_Supplies_ET&hash=item20cdfb0717

Good plans and good price


30-12-2012, 09:11 PM

Whereabouts are you in Oxfordshire?

30-12-2012, 09:13 PM

I'm in Bicester


30-12-2012, 09:17 PM
Is your plan to keep the stock screws and nuts etc or replace everything?

30-12-2012, 09:24 PM
Send me the plans or drawings and I'll have a look what's involved. If not too much work I'll fire them off for you.

PM you my email.

30-12-2012, 09:25 PM
The plans I bought from ebay replaces everything, I have bought all the materials just need some help, I've been making some of the easier bits today but will be struggling on pockets for bearings etc.

John S
30-12-2012, 09:26 PM
Are all these pillars that support the steppers in Delrin ?
If so you are wasting your time. Who's X2 is it that you are converting? Chester, Warco, Machine Mart ? reason I ask is that i have an ARC SX2 here that;s got steppers on and retains the standard leadscrews and is far better engineered than the ones in the plans.

30-12-2012, 09:31 PM
Hi John

All the parts are in derlin, would be interested if anyone else has done a conversion the same as I'd rather go down a different route if I'm wasting my time.


30-12-2012, 09:32 PM
Sorry, it's a Sealey machine

30-12-2012, 09:38 PM
Allan I'd listen to what John suggests he's the master when it comes to these machines.!

John S
30-12-2012, 09:48 PM
I'll get some pics tomorrow and take some measurements as the ARC machine is based on the X1 base long bed which has actually got larger travels than the X2

30-12-2012, 09:49 PM
It does say in the instructions that you can use aluminium for everything but leave the backlash nut in derlin?

John S
30-12-2012, 09:54 PM
Good choice.

16-01-2013, 05:06 PM
Have you seen my thread here (http://www.mycncuk.com/forums/mill-build-logs/4524-sieg-sx2-plus-build.html) ? Most of the work was done either by hand or using a lathe.