Servo Driven 4th Axis for CNC Mill

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awemawson:
.....ah...... a solution has presented itself :ddb:

It turns out that although the feed rate over ride control on the panel will not allow traverse speed to be increased during tool changes, it will allow it to be decreased :clap:

I knew that the over ride control was over ridden during tool changes but I thought that it was both for increase and decrease. But no, I can slow it to a crawl and watch and measure as in the fully slowed position it can be stopped - result !

Pete W.:
Hi there, Andrew,

Fair enough and I'm glad you have a way forward.

:offtopic:

I thought I'd set up my profile to display the time at my longitude but I'm posting this at 16:20 GMT and your message says it was posted at 16:47. :bang: :bang: :bang:

What am I doing wrong? :scratch: :scratch: :scratch:

awemawson:
As far as I know I've never set anything up for longtitude on the forum other than put the country as UK. I've just had a poke around my profile and found a setting to have an offset from 'forum time' with an auto-detect feature that says it is to display local time. Clicking this gave a four hour offset so maybe this post will bear UK time.

Later edit - Nope shows 4 am ish !!!!! unless the 24 hour clock is wrongly implemented and it means 16:00, but it shows as 04:.. which is early hours in the dark even though it SAYS PM !

awemawson:
The new knob for the tailstock arrived today, and promptly had an extra hole drilled in it to allow the use of a knockout bar to remove the No 2 Morse centre.

Whatever the plastic they made the handle from is filled with it's abrasive stuff - took the edge off an end mill in no time short !

awemawson:
Now the eagle eyed amongst you will notice that the clamping bolts have their nuts on the 'wrong side' for placing the tailstock on the left hand end of a milling table as I must. The pair of bolts used to clamp it at a particular elevation and tilt, once set, should not need adjustment, however the clamp for the barrel will need to be 'got at' every time it is used. It would be easy just to remove the centre section and assemble it the 'other way round' but it would be nice to have ALL the locking bolts on the same side.

Then I suddenly realised that all that stops me putting the bolts in the other way round is a small groove milled to take an anti-rotation peg that is part of the bolt head

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