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Old 02-16-2016, 11:24 AM   #1001 (permalink)
Slowly making progress
 
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How are your steppers coupled to your leadscrews/ballscrews? Could have a slipping or broken coupler that would cause errors like that if it was not completely destroyed. Helical beam couplings, for instance, can snap and drive sorta correctly in one direction but not properly in the other.
Everything is pretty tight. I took it apart last night which working on my anti-backlash project. Everything was tight. I actually managed to take it apart, design/make an anti-backlash nut from delrin rod, found a spring that fits and presses fairly hard, and put it all back together.

It's all back at job 0,0,0 and ready for me to get it started when I get home.
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Old 02-17-2016, 09:55 AM   #1002 (permalink)
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The machine got to run for a few hours last night. Things look a lot better. It looks to be at the proper depth as far as what MACH3 thinks and what reality is, and there aren't steps, the surface is smooth after it finishes a pass. Going to continue the cut tonight and might get really close to finishing.
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Old 02-17-2016, 10:56 AM   #1003 (permalink)
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Awesome! Glad you got it licked!

I made some shop progress last night... A new shelf is up over top the Craftsman lathe. Another 4 bins worth of storage has been accomplished. Next step will be to finish the mill cabinet and get it up and running. It seems that I damaged the wiring in the move , so a rewire will have to happen.

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Old 02-17-2016, 02:20 PM   #1004 (permalink)
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That light on the underside of the shelf is a pretty good idea. Being able to see your work is important, but being able to see your work in a well lit workspace is sooooo nice.
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Old 02-17-2016, 02:22 PM   #1005 (permalink)
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I plan to add that type pf light to the South Bend and something similar to the Harbor Freight 44991 mill. The CNC mill will have its own lighting, and I plan to use strip LEDs to light the Rhino ST/6 lathe, once I get it running.

Ty
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Old 02-18-2016, 10:51 PM   #1006 (permalink)
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What are some suggestions on keeping the gib screws tight? On my X3 manual, I think there are two set screws in each hole. On my MAXNC10 CNC, there are 4 screws per axis, but only enough depth for one screw in each hole. A little thread locker on each and find a snug position? I have to stop a cut and tighten them every few hours at this point.
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Old 02-18-2016, 11:15 PM   #1007 (permalink)
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What are some suggestions on keeping the gib screws tight? On my X3 manual, I think there are two set screws in each hole. On my MAXNC10 CNC, there are 4 screws per axis, but only enough depth for one screw in each hole. A little thread locker on each and find a snug position? I have to stop a cut and tighten them every few hours at this point.
I have something to solve that problem. I will bring it to you Monday.
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Old 02-19-2016, 12:00 AM   #1008 (permalink)
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I have something to solve that problem. I will bring it to you Monday.
Thanks. I thought you got rid of pretty much everything. And now you can have your Warp feed back, and your Micro-CA II back (get a dummy 12g and you can likely track down the leak on the part I made) and whatever else I have but forgot about.


Cut just finished. What a difference that anti-backlash nut is making.
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Old 02-19-2016, 08:26 AM   #1009 (permalink)
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Looking great!

I did a *LOT* of work in the shop last night... Go check out the couple of pictures in the thread... You can actually see the floor!

Ty
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Old 02-19-2016, 10:28 PM   #1010 (permalink)
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Some modding of the Tormach lathe so that I can finally do 2 things at once in the shop.
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