Quote Originally Posted by JAZZCNC View Post
Going to be honest now and you may not like it.!!

It appears to me that you don't have enough machining experience yet to justify laying out big money on machines when you don't even know what you require.
For instance the best mill or CNC machine won't make relocating your part any more accurate if you don't know how to do it.!

The fact the machine you built doesn't make the grade is purely down to poor weak design and choice of materials. The fact you can't relocate on centre is down to your low level of experience.
If you'd made fixture jigs to hold your work and indexed to a known fixed reference point then it's easy.

But your machine is so weak it will flex like jelly so this can't happen. Trying to re-locate centres without a fixture is hard at best of time on any machine and requires accurate devices to help. So no matter weak or Strong if you haven't got the abilty or the equipment then you will always struggle.

Your weak build is to blame for low part accurecy for sure but has nothing to do with reloctating and no amount of strength in the machine will helps this as it's down to you to come up with ways to fixture.

Properly built DIY machine which uses good components will easily do what you want.
Ah, a bit harsh, but that OK.

I dont know what I need, hence the thread to ask for advice.

The relocation of the centre was badly explained. I dont think the machine had the rigidity to be accurate enough and the centre was the easiest place to spot this. But agreed, I have a lot to learn and yes, I dont know the techniques.

So I consider myself 'told off', no problems there. At least I tried based on what I could do on my own.

Are you able to link to something that you would consider suitable on the DIY side?

Out of interest, what would a machine like this cost in the UK?

https://www.youtube.com/watch?v=26RNc0OA_fU

Its a Tormach PCNC 1100