Album;
"Paint Mixer"
Photo shows a test assembly.
Feet ( Aluminum angles) are held to the sides by 10-32 Allen Socket Flat Head Screws.
Questions?\
Comments?
Jerry G (Glickstein)
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It should be no problem if it goes back in the same position relative to the faceplate. Usually, turning between centers is done with a lathe dog to drive the work - just leave the dog clamped to the work & mark the slot it's in. If you have to cut some more, rotate the lathe by hand to make sure things are still lined up before taking an actual cut.
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-----Original Message-----
From: 7x12minilathe@yahoogroups.com [mailto:7x12minilathe@yahoogroups.com]
Sent: Saturday, June 06, 2015 2:56 PM
To: 7x12minilathe@yahoogroups.com
Subject: [7x12minilathe] Thread Cutting - Can I Remove to Test Fit?
Cutting some external threads. Short piece and the only way I could set up to get the cutting tool in position (to avoid hitting the chuck jaws) was to mount between two centers. So, how to test fit?
Can I pull the tailstock back to test fit, then put tailstock back in position and cut some more? Do I have to make sure the work piece is in the same relative position to the faceplate? Or, other technique? Or, is it a "no can do"?
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Providing the lathe dog or whatever you are using to keep the work from turning when working between centers goes back in the exact same place it was when you cut the thread, and is not removed from the work, you should have no problem. Leave the half nuts closed on the LS, and leave all the gears engaged while the work is being checked. Move only the TS; change nothing else.
Even holding the work in the chuck, if you move only the TS to check the thread, and don't take the work out of the chuck, you should be OK.
The key here is to keep the Carriage, tool point, Spindle, work, and LS in the same relationship throughout. Both before and after.
Mert
On 06/06/15, acoe@att.net [7x12minilathe] <7x12minilathe@yahoogroups.com> wrote:
Cutting some external threads. Short piece and the only way I could set up to get the cutting tool in position (to avoid hitting the chuck jaws) was to mount between two centers. So, how to test fit?
Can I pull the tailstock back to test fit, then put tailstock back in position and cut some more? Do I have to make sure the work piece is in the same relative position to the faceplate? Or, other technique? Or, is it a "no can do"?
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Cutting some external threads. Short piece and the only way I could set up to get the cutting tool in position (to avoid hitting the chuck jaws) was to mount between two centers. So, how to test fit?
Can I pull the tailstock back to test fit, then put tailstock back in position and cut some more? Do I have to make sure the work piece is in the same relative position to the faceplate? Or, other technique? Or, is it a "no can do"?
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