lead screw

  1. K

    Dipping my toes into turning

    Hello everyone, I am starting this thread to gather resources and ask questions about turning. I am about to put down the money for a new Eisen 1340 lathe. Have started to learn the basics of turning, by reading the SouthBend book by O'Brien and O'Brien. Have zero interest in grinding my own...
  2. A

    Can I a spin stepper motor by hand without damaging the driver

    Hi I'm making an electronic lathe lead screw and have a Nema 34 and a DM860S driver to run it, would I be able to still turn the lead screw by hand using the handle (my lathe is a smithy AT300 with the handle connected straight to the lead screw) without risk of damaging the driver. I don't wank...
  3. marchyman

    LMS 5100 lead screw adjustments question

    I have an LMS 5100 mini lathe. I'm noticing a patern on parts turned using power feed -- can't feel it but I can see it. The patern looks like a spiral drawn with a thin pencil. The spiral has a pitch of 16 TPI, the same as my lead screw. My assumption is that lead screw rotation is causing...
  4. expressline99

    Logan 200 Saddle/cross Feed Screw Question...and Some Others

    So I'm baffled by this and I'm sure it's simple. Turning the cross feed handle clockwise bringing it towards you. Where is the load placed that holds the cross feed screw in place? Obviously the cross feed nut is moving the carriage... but looking at the diagram I don't see what keeps the screw...
  5. E

    Stuck X-axis Leadscrew Bearing On G0704?

    Just got my new G0759 (the G0704 w/ DRO) in yesterday. I started breaking it down for ease of cleaning and re-distribute the weight into manageable size parts for moving. Got the head off fine. In the process of removing the table by removing all of the stuff on the right hand side. The last...
  6. GarageGuy

    Bridgeport Vise Repair Advice?

    I have a friend that has an old Bridgeport 6" milling vise, and the brass insert with the threads for the lead screw are completely stripped out. I thought this would be an easy replacement since there have to be millions of these vises out there, but I've come up empty. Nothing on eBay...
  7. bartives

    Pm-45 How Do You Access Y Axis Backlash Adjustment?

    Looking for some assistance on adjusting backlash for the Y axis on my PM45 Mill. I had about 10 thousands backlash on my both my X and Y axises. I easily found the set screw for the X axis brass lead screw mount, it was about ready to fall out. Adjusted it a little and now have about 3...
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