NPT Internal Threads
#20
Wow!!! Thanks guys!!!

I should call it NPS. That guy just told me NPT but ignore the taper... lol. I'm clueless.

Anyway, I do have a tiny cnc lathe. Not full cnc, only 2 axis, unlike those machining center I watched on YouTube. It's a Sherline lathe with long bed. It's currently beneath the workbench to make space in the otherwise super crowded "shop".

Cutting in reverse direction is a good idea. And about threading dial, is it something I can just add on to my kind of lathe? It's a Proxxon PD400 with a 12mm x 1.5mm leadscrew. With a threading dial, can I disengage the leadscrew when I reached the end of a cut? I feel safer that way; to use the lever to engage and disengage the saddle from the leadscrew. Too nervous to do this job.
Wongster
http://www.wongstersproduction.com

Proud to be a member of MetalworkingFun Forum since Mar 2012.
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Messages In This Thread
NPT Internal Threads - by Wongster - 04-28-2017, 07:44 PM
RE: NPT Internal Threads - by TomG - 04-28-2017, 08:15 PM
RE: NPT Internal Threads - by Wongster - 04-28-2017, 09:11 PM
RE: NPT Internal Threads - by Vinny - 04-28-2017, 09:22 PM
RE: NPT Internal Threads - by Wongster - 04-28-2017, 10:11 PM
RE: NPT Internal Threads - by Vinny - 04-28-2017, 10:27 PM
RE: NPT Internal Threads - by Wongster - 04-28-2017, 10:48 PM
RE: NPT Internal Threads - by Vinny - 04-28-2017, 11:06 PM
RE: NPT Internal Threads - by Vinny - 04-28-2017, 11:34 PM
RE: NPT Internal Threads - by Wongster - 04-29-2017, 12:32 AM
RE: NPT Internal Threads - by Vinny - 04-29-2017, 10:36 AM
RE: NPT Internal Threads - by Wongster - 04-30-2017, 04:11 AM
RE: NPT Internal Threads - by Vinny - 04-30-2017, 10:38 AM
RE: NPT Internal Threads - by Dr Stan - 04-30-2017, 07:26 PM
RE: NPT Internal Threads - by Wongster - 05-05-2017, 03:45 AM
RE: NPT Internal Threads - by Mayhem - 05-05-2017, 05:48 AM
RE: NPT Internal Threads - by stevec - 05-05-2017, 06:17 AM
RE: NPT Internal Threads - by Mayhem - 05-05-2017, 08:18 AM
RE: NPT Internal Threads - by Vinny - 05-05-2017, 10:30 AM
RE: NPT Internal Threads - by Wongster - 05-05-2017, 11:00 AM
RE: NPT Internal Threads - by Vinny - 05-05-2017, 11:30 AM
RE: NPT Internal Threads - by Wongster - 05-05-2017, 11:40 AM
RE: NPT Internal Threads - by Wongster - 05-06-2017, 02:04 AM
RE: NPT Internal Threads - by Vinny - 05-06-2017, 10:07 AM
RE: NPT Internal Threads - by Wongster - 05-06-2017, 11:20 AM
RE: NPT Internal Threads - by Mayhem - 05-06-2017, 09:24 PM



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