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Hi,
I finally figured out why cutting 8 TPI on the Craftex CT089 lathe was not working. Specifically, closing the half nut using the suggested thread dial indicator reading of "2" kept overcutting...

Thanks for the suggestion- the chart on the lathe indicates 5 TPI for the leadscrew and it does measure 1.001" for 5 threads.
I'm wondering if the half nuts are loose somehow and not engaging where...

Hi,
I hope you've solved your gear problem on the CT089. I have one as well and just did the setup to cut 8 TPI. Doing the test cut on 1"D aluminum at 110 RPM is OK with 8 TPI as advertised. My...

Hi!
I have a Craftex CT089 13x24 lathe and I've set the gears up to cut 8TPI according to the chart inside the gearbox door. These gears are M/N=28/35, A/B=35/28, C/D=30/48 where the numbers refer...