need a part... and pulling my hair out now

[johnsattuk]

Nut would appear to be similar apart from the radiused sides, is there room for this . What is the damage to the screw, can't see any in the pics

NO switches are not fail safe, I never use them as limits or in ES positions

[flotsam]

Yes there is room for the radiused sides, and the damage was to the plastic part holing the bearings in place. I have tried without success to repack the bearings but even with carefull assembly its got very tight spots.. and the plastic sleeves on the lower part are damaged..

Yes I understand my switches wer'nt fail safe and seems my soft limits didnt help.. As far as Im aware I think one of my sons had been using the machine or maybe from a broken wire on the switch ( not set up diffrently) ? An in my error I didnt check things before I used it (rush job) :(

[johnsattuk]

OK will try to get it machined this weekend

[flotsam]

How much ? ect and thanks

[johnsattuk]

Have sent PM

[flotsam]

pm sent

[flotsam]

Many thanks for the help from johnsattuk saved the day... I am now up and running

amazing help when needed most :)

[dazp1976]

New to the forum, came here because everything else seems US based and not always the best place for advice.
I run a 3040 cnc ballscrew version and use it to make parts for model ships.

Now I have just run into what could be best described as a bad issue..

I have a damgaged Z axis ballscrew that needs replaces (endstop switch failed.. Broken wire)

Now I;m having issues find a UK supplier of 150mm SFU1204 12mm Ballscrew. I mean no where can I find one.. ?

I know the UK no has issues with the brexit situation but heck ,, Im at a loss..
anyone know who would have one ?

Can I suggest something?
Wire your safety circuits as Normally Closed. If a wire breaks the switch will go open and shut it down.
Food for thought.

[flotsam]

Already done that now thanks .... all NC