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Thread: U tube idea
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9th May 2014, 01:23 PM #1
U tube idea
I was watching this guys tailstock aligning method
Would the 3 jaw chuck he is using mean, an alignment is needed every time it is used ?
http://www.youtube.com/watch?v=my9ixtJogCg
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9th May 2014 01:23 PM # ADSGoogle Adsense Advertisement
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9th May 2014, 01:43 PM #2GOLD MEMBER
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if you are getting at what i think you are then no , all it means is that you have to take a skim off the point of the drive end center each time it is replaced in the chuck to get a true center again , because it will be a tad out every time it is refitted in the 3 jaw .
clear as mud i know .
johno'If the enemy is in range, so are you.'
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9th May 2014, 01:46 PM #3GOLD MEMBER
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Where is he aligning the tailstock?
Stuart
P.s. Spindle center (I'll let you decide if its live or dead) runout doesn't effect parallel..... only next time.Last edited by Stustoys; 9th May 2014 at 02:20 PM. Reason: left out "runout"
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9th May 2014, 02:02 PM #4Pink 10EE owner
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wow, a good way to bugger an expensive Bison adjust tru six jaw chuck there, clamping down that hard....
Light red, the colour of choice for the discerning man.
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9th May 2014, 07:31 PM #5
mistake
oops ! My mistake, yes the 6 jaw chuck would have less of a problem with repeatabilty, that was the crux of my query Mike
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9th May 2014, 07:49 PM #6Senior Member
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So what was the original query Mike?
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9th May 2014, 08:05 PM #7
query
Each time he clamps that centreing tool in the 6 jaw chuck chuck, there will be some error in the alignment of the tool . So he will be getting misleading readings . I mean, he sets up the tool, then takes a concentric reading , then removes the tool - but will the chuck clamp the bar in the exact same position all of the time ?
Maybe I'm barking up the wrong tree again
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9th May 2014, 08:31 PM #8SENIOR MEMBER
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The worst that can happen is you will fail.
But at least you tried.
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10th May 2014, 11:30 PM #9
Mike i think thats the wrong video......It about turning between centers like we have been discussing in the other thread, not about aligning a tailstock.....
Ew1915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.
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11th May 2014, 09:11 PM #10
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