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Thanks Bill and Dave, You guys are going to make me go out and by more tools aren't you? I looked at some thread micrometers last night.....Shars were pretty cheap....then I found some

Thanks GP, With the responses and advice from? you and Dave I see the simplicity of using the same method of threading both internal and external.? The only difference is to swing the compound to

Dave, Unfortunately most of the high schools around here (Illinois) have closed their shops and most community colleges don't offer any machining classes either. Unless you can find an old machinist

Where my son teaches there are two campuses,? East and West Leyden high schools.He's primarily at East but is chairman of the department at both.This includes machine shop, wood shop, auto shop and

Agree with Dave on the thread wires.? https://www.amazon.com/gp/aw/s/ref=nb_sb_ss_i_1_12?k=thread+wires+measuring&sprefix=thread+wires&crid=2OELNV5U7LWUU I have a set of the PD wires. Booklet with

Jon The chuck must be seated properly if you cut in reverse. I mostly use reverse for left hand work in this case threads. Never use I the tool bit up side down. This up side down method is not used

It is not a practice to run the lathe backwards and have to tool bit up side down. The proper way to thread inside to run the lathe forward ( to the left ) small diameter holes one would be using

How do you use thread wires on an internal thread??? I agree on external threads, they are the only way, other than a go/no-go gauge. For internal, an already-made gauge is about the only way. Jon

Yes. As the chuck is rotating, the cutting forces run in a circle (relative to the chuck) and will almost certainly unscrew it. I know, as it happened to me, even though I was taking a light cut for

DaveI have thread gages and was planning on using a test piece to check the fit.?-Jody

OK gotcha Guenther.My half nut doesn't look to have a lot of wear and feels fine.? I do have reverse thru the VFD if I need it.?-Jody

D'oh! ? Get Outlook for Android<https://aka.ms/ghei36> ________________________________ Sent: Tuesday, January 8, 2019 7:45:15 PM To: [email protected] Subject: Re: [atlas-craftsman IO]

Making the plug gage. Sent from my T-Mobile 4G LTE Device

How do you use thread wires on an inside thread? I have only used the for outside threads. Get Outlook for Android<https://aka.ms/ghei36> ________________________________ Sent: Tuesday, January 8,

If you're going to do this kind of stuff you really need to be able to measure it.Thread wires are way cheaper than a thread micrometer and very accurate as long as you do your part with correct

Thank you Dave & Guenther. Dave thanks for the pics.? For internal threading is this typically what you would use and run the lathe in FWD? I guess this is the most intuitive way.? The only thing

No Jody To the left. I would not disengage the half not if the your 1/2 nut has a lot of wear. Back up under power. I hope you have a reverse on the lathe GP

GP,I'm with you, I'd run reverse no problem.?Jody,?First time threading? Do you have a way to check the internal thread?Might make the first try making a male plug gage if the piece it's supposed to

Ok, I like to hear that.Thanks for putting my mind at ease.Would your method of internal threading on the Atlas be to run it in reverse and have the feed go from left to right, starting inside

Jody In 54 years I had never had a threaded on chuck come loose. Don't worry if you put the chuck on properly meaning when you get to the last 1/4 turn you give it a hard spin so you can hear a click