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Old 06-18-2004, 08:50 AM   #1
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Default V-blocks

Is there any other lubricant that could be substituded for graphite powder on the v-blocks of a lathe?
Also, in a related question, How can you check that the stands are perfectly perpendicular?
thanks, i'm off to take my regents now.....*gulp*....
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Old 06-18-2004, 10:52 AM   #2
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I use a bushing luve on the v-grooves, works prefectly fine.
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Old 06-18-2004, 03:11 PM   #3
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Default Re: V-blocks

Quote:
Originally posted by Cardboard
Is there any other lubricant that could be substituded for graphite powder on the v-blocks of a lathe?
Also, in a related question, How can you check that the stands are perfectly perpendicular?
thanks, i'm off to take my regents now.....*gulp*....
I've always heard just use a lil bit of normal oil. Don't use silicon oil as it can cause chattering as it grabs.

To check for perpendicular on the stands you need to check the runout on the COMM. Measure one end and then the other and adjust accordingly. A zero difference would be great but I think I've read that .007 is acceptable.

Last edited by Brian Anthony; 06-18-2004 at 03:27 PM.
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Old 06-18-2004, 06:33 PM   #4
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ok, thanks. I lined it up using a lego brick, so I think it should be fine.
One final question about lathes: Do I have to tighten down on those purple plastic clips? Or just leave them alone, as long as they hold the comm on the v-block as it spins?
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Old 06-18-2004, 08:37 PM   #5
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You just tighten them enough to hold it in the grooves, otherwise it causes drag.
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Old 06-19-2004, 07:23 PM   #6
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Hey Cardboard -

did you get the battery yet?

Let me know...

Thanks

Dave
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Old 06-19-2004, 10:26 PM   #7
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Yep, left feedback too.
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Old 06-20-2004, 03:47 PM   #8
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Thanks a bunch!

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Old 06-20-2004, 10:34 PM   #9
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Quote:
Originally posted by Cardboard
ok, thanks. I lined it up using a lego brick, so I think it should be fine.
I bet you can build a lathe using lego bricks too..
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Old 06-20-2004, 11:05 PM   #10
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Quote:
Originally posted by Trinityracinnut
You just tighten them enough to hold it in the grooves, otherwise it causes drag.
I don't even use the purple plastic hold downs. Just have the armature in the V-blocks.
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Old 06-22-2004, 08:27 PM   #11
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Quote:
Originally posted by Entropy
I bet you can build a lathe using lego bricks too..

Thanks to everyone who helped on the few threads that I posted about lathes, I am very happy with my lathe and I didn't screw anything up yet.
thanks!
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