Gallery, Projects and General > How do I??

Mini lathe chatter on facing cuts

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SwarfnStuff:
Hi Fergal,
You said, "if I pull on the cross slide there is some slight movement across the main axis of the lathe ".   
    This to me sounds like you are describing backlash in the cross slide. Of course I have been wrong more often than not in the past.  But if it is backlash there should be a method of adjusting the cross screw nut.
  Something to ponder?

John B

PekkaNF:
One thing I would try to make sure that the tool tip is between guides (shears). If the tool tip is hanging out, it will tilt the cross slide and these lathes are light/weak and stability on tiltting is abysmally bad.

Pekka

Fergal:
On further inspection it seems like my lathe has all the problems mentioned above, that is ill-fitting gibs, backlash and slop on the cross slide screw.

I'll look into addressing all these issues in turn.

Thanks for the info.

RotarySMP:
You don't state what diameter steel and stainless you are trying to face.these are tiny machines with little mass. They can do a lot but can't suspend physics.
Mark

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