Hi Folks, I am trying to learn turning and get my head around maintaining a Logan 210.
I am having a lot of issues getting good cuts from it, definitely in part due to my inexperience machining but there is some definite mechanical variability in it I would very much appreciate some guidance on reducing.
The carriage cross slide and compound have about a millimeter of play when you push on them. Along with a quarter turn of the handles of backlash. I am finding it has a habit of pushing off the work and deflecting, jutting about that mil past where the cut is meant to be happening.
I've pulled the carriage apart and cleared out a couple decades of detritus and reapplied oil but I haven't been able to tighten up the tolerances. Tweaking the two nuts capturing the wheels and adjusting the gib screws hasn't seemed to make a difference. I am wondering if perhaps the brass nuts in the slides or their threaded rods are worn?
Edit:
Cross Slide — About 20 thou of backlash.
Compound — About 15 thou.
Together they are enough of a discrepancy to let the tool post be pushed diagonally.
I know a bit of backlash is unavoidable and useful to avoid seizing and to allow for lubrication, my concern is the way the tool post isn't rigid and is bouncing off work.
Many thanks,
Tor
I am having a lot of issues getting good cuts from it, definitely in part due to my inexperience machining but there is some definite mechanical variability in it I would very much appreciate some guidance on reducing.
The carriage cross slide and compound have about a millimeter of play when you push on them. Along with a quarter turn of the handles of backlash. I am finding it has a habit of pushing off the work and deflecting, jutting about that mil past where the cut is meant to be happening.
I've pulled the carriage apart and cleared out a couple decades of detritus and reapplied oil but I haven't been able to tighten up the tolerances. Tweaking the two nuts capturing the wheels and adjusting the gib screws hasn't seemed to make a difference. I am wondering if perhaps the brass nuts in the slides or their threaded rods are worn?
Edit:
Cross Slide — About 20 thou of backlash.
Compound — About 15 thou.
Together they are enough of a discrepancy to let the tool post be pushed diagonally.
I know a bit of backlash is unavoidable and useful to avoid seizing and to allow for lubrication, my concern is the way the tool post isn't rigid and is bouncing off work.
Many thanks,
Tor
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