Tips #272 How to Use Ovee Thread Gauge tubalcain

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How to measure threads -featuring the OVEE gauge.
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[musicsearcher]

I thought I had seen every method for measuring threads but I've never even heard of the Ovee wires. That's very ingenious. At the work station we use wires and a mic free hand. It's a "learned" habit. Inspection uses go, no go gauges

[billlee]

I have never heard of OV gages. They look like they would get the job done with none of the hassles of the other devices. My work was one-off, so if it fit it worked and in some cases had to be made that way as the bolts and nuts were made one-off by the original craftsman. I recently retired from a 30 year career as a museum restorations and exhibits curator. I worked with both woodworking and metal working tools and I am continually amazed at how much I didn’t and still don’t know and how much I learn watching your videos and those of the other incredible machinist on You Tube. I particularly like your to-the-point style. Keep up the great work.

[donaldasayers]

Many years ago I spent a summer working at the little UK factory that made those. Never seen one since.

[grntitan]

Dang, I've got some of the Ovee thread gauges I got from a machinist box I bought at auction. I didn't know what they were. They are around here somewhere as I never pitch anything. Now to find them and see which ones I have. Hot damn, thanks mrpete, learned something new today. Any day you learn is a good day.

[Ropetangler]

Thanks Lyle for an interesting lesson! I had never heard of Ove thread gauges, and I agree with you that they are quite ingenious, simple to make and simple to use, a great combination. Keep up your great work.

[neilsbergstedt]

That Ovee guage is a simple and clever idea. That's my favorite method that you showed.

[AmateurRedneckWorkshop]

That Ovee gauge is obviously a better wire gauge. I just hope a nut screws on for my threads.

[michaelcerkez]

I've never seen the Ovee very nice! Used all the others sometimes on a daily basis Thanks again for the education

[disgruntledscientist]

The last thread I cut (last night) I tapped the female part and used it to gauge the lathe cut thread. Easy and good enough for the job. I've used three wire when I needed but don't have enough hands to do it easily!

[Andrewlang]

I use the thread wires, or MOW, (measurement over wires) all the time at work. The easiest way to use them is to split a rubber band into 2 pieces, and poke the wires through each piece to hold them over the work piece to measure with micrometer. Works really well. Thanks for the video

[MrUbiquitousTech]

I've never seen those before, I like that tool. Thanks for sharing!

[crstubby]

I run a bolt or nut.  Those OVEE gages look to be a lot more user friendly that the 3 piece wire sets.  Thanks for showing us.

[goward]

I looked the OVEE gauges on their web site. They are $117.00 - 138.00 EACH when new. Pretty nice but I don't think I will ever have a set. Thanks for showing them to us.

[trentdrummond]

still rock the high school method. all the different sized nuts. hammered into a piece of ply-wood with the thread sizes marked. works like a charm for fast identification.

[TheWidgetWorks]

I use thread mics whenever possible, far faster and more convenient than wires, I highly recommend picking up even a import one for 0-1" at least for even a hobbyist as that is going to cover 90% of the threads most people will be cutting. Also your directly reading the pitch diameter and don't have to rely on a chart that you can lose, miss read, or make a calculation mistake with. If I have to use wires I always put some green painters tape (so you don't get sticky all over your wires!) on them taping 2 together and flagging the other one so when, not if, you drop them they are very easy to find. Also I use grease to glue them in place, always worked well for me and then you can easily use them with just 2 hands. I've never had a chance to use a OVEE gauge before but they do look like a reasonable system but my god would a full set cost a fortune!
Thanks for the great video!

[davidahiwaaynet]

Very ingenious device, I appreciate your explanation of them!

[comictrio]

I used to do Inspection many years ago in a shop that was Boeing Certified. I've never seen the Ovee Thread Gauges before. It's been a long time since I've done that type of work. I suspect Boeing would not have allowed the use of
the Ovee Thread Gauges for machined threads for the parts we made for them, but they sure look handy and appear to be quite accurate as well. I always learn something new watching your videos.

[chrisstephens]

I have made my own ones in the past, too poor to buy any, out of copper wire. Copper wire can be had in most of the sizes used in a PD set and is easy to wrap around the thread to be measured and using the PD chart for reference.

[JimmiePorterAtStuartArts]

I've never seen this before. Very informative!

[douro]

When I worked as a machinist we only ever used thread wires to check the depth of grooves or splines.