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Metal Lathe Tutorial 20 : Snap Gauges & Depth Gauges

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Blondihacks

Blondihacks

Күн бұрын

Пікірлер: 111
@stu7161
@stu7161 3 жыл бұрын
One caution on snap gauges: If you want them to last, don't let them snap open without being inside a bore. The little slot and pin that holds the anvils in place inside will eventually break, and the pieces will go flying across the room. When I'm done using mine, I always hold the anvils together with my fingers before I release the lock and let them expand slowly. I can't tell you how many broken snap gauges I've thrown away because of this.
@prodoverjeff2876
@prodoverjeff2876 5 жыл бұрын
I bought a set of telescoping gauges at a used tool store years ago. No idea what they were, but they were cheap and I liked them. A few years later while reboring a screw machine turret, I needed a way to measure "how big?" Remembered those things, and figured using them and a mic would give me the info I needed. I thought I was a genius, then an old timer asked me what I thought those were built to do.
@iantheorem
@iantheorem 4 жыл бұрын
I enjoy hearing your little puns and silly banter. In the past 2 hours I have learnt so much from you.
@clydedecker765
@clydedecker765 5 жыл бұрын
Quinn, I'm not a machinist and never will be but I'd send anyone to be your student/apprentice. Your explanations and treatment of difficult situations is superb. Thank you for sharing.
@griplove
@griplove 5 жыл бұрын
Nicely done! I’ve never used a depth mic and the way everyone explains them has made me delay getting one. This made perfect sense. Thank you, I learn so much from you. Also, let’s talk about you making me laugh. 5:48. 😂
@matthiasgarrett669
@matthiasgarrett669 3 жыл бұрын
You prolly dont give a damn but does any of you know of a tool to get back into an instagram account..? I was dumb forgot my password. I appreciate any help you can offer me!
@haroldsolomon2110
@haroldsolomon2110 3 жыл бұрын
@Matthias Garrett instablaster ;)
@matthiasgarrett669
@matthiasgarrett669 3 жыл бұрын
@Harold Solomon Thanks for your reply. I got to the site through google and Im in the hacking process now. I see it takes quite some time so I will get back to you later when my account password hopefully is recovered.
@matthiasgarrett669
@matthiasgarrett669 3 жыл бұрын
@Harold Solomon It did the trick and I finally got access to my account again. I'm so happy! Thank you so much you really help me out !
@haroldsolomon2110
@haroldsolomon2110 3 жыл бұрын
@Matthias Garrett Happy to help :)
@britishreaction54
@britishreaction54 5 жыл бұрын
Very interesting, thank you. An extremely lucid explanation of how to use a snap gauge.
@ctrchg
@ctrchg 2 жыл бұрын
Thanks!
@jeffanderson1653
@jeffanderson1653 5 жыл бұрын
I’ve be darned, that’s how to use a snap gauge. Thank you. For hobby machinists like myself, we never had any formal training. I remember learning how to read a micrometer in metal shop but that’s the extent of it.
@Stellar12316
@Stellar12316 3 жыл бұрын
Please do not stop making videos your amazing! Cheers
@jorgeconcheyro
@jorgeconcheyro 5 жыл бұрын
Now I know why you have to go so light with the micrometer when measuring the snap gauge. Great video Quinn, cheers from Buenos Aires.
@machobunny1
@machobunny1 2 жыл бұрын
This is an old video. Don't know if you'll ever see the comment, but THANK YOU. I am pretty smart, maybe, but I couldn't have ever just figured that out. Life Changing. Well...that part that's spent screwing up measurements.
@ninthm00n
@ninthm00n 5 жыл бұрын
Excellent video Quinn. Best explanation of the how and why of snap gauges I have seen. Love the depth Remix
@Blondihacks
@Blondihacks 5 жыл бұрын
It’ll be on my self-titled solo album, due out next year.
@ninthm00n
@ninthm00n 5 жыл бұрын
Bandcamp.com/Blondihacks.
@michaeljohnson-li5nn
@michaeljohnson-li5nn 5 жыл бұрын
Quinn, during my apprenticeship the lecturer who was explaining how to use the snap/bore gauges always referred to a technique called feathering. As you advised in your video it is best practice to ignore the ratchet mechanism and feel (feather) the micrometer anvils onto the snap gauge. One interesting technique that we apply at Rolls-Royce is Gauge R & R methodology. The R’s stand for Repeatability and Reproducability, this is where the technician who is measuring a feature repeats the same measurement a number of time to ensure accuracy of the reading. You can take this further and ask another technician to measure the same feature using exactly the same measuring equipment. In the ideal world all the measurements will be very closely grouped together. This can be used as part of the six sigma reporting technique to assess accuracy of your measurement process. Informative video as always.
@Blondihacks
@Blondihacks 5 жыл бұрын
That sounds like a great shop practice!
@britishreaction54
@britishreaction54 5 жыл бұрын
Rolls Royce ought to know I suppose. If they don't then no one does.
@peteroleary9447
@peteroleary9447 5 жыл бұрын
R&R is integral to established quality management system audits for ISO 9XXX, QS, MIL, etc. The high-level audits consist of periodic double-blind tests of inspection operators to test the reliability of their measurement techniques. Bad scores could result in a loss of certification. In my many years in manufacturing, I have yet to see a production or receiving inspector perform in R&R as well as a typical Tool&Die Maker.
@Israkiwi99
@Israkiwi99 3 жыл бұрын
while these snap gauges are good in general and explained perfectly here for perfectly accurate measurement it is better to use a dial bore gauge and i think a company like rolls royce would use nothing less.
@pilgrimm23
@pilgrimm23 5 жыл бұрын
Thank you Quinn Great tip on using a snap gage.
@larryshaw796
@larryshaw796 5 жыл бұрын
While I don't vise a depth that's that often I appreciate your refresher course on them.
@DEtchells
@DEtchells 2 жыл бұрын
Hah, another super-useful video! It’s funny, when I saw you starting to use the snap gauge, I thought “hey, wait a minute, she has that misaligned!” I figured you were going to just point out to us that you needed to hold it straight, but of course, we’d have no idea whether we had it exactly on-center or not. Duh! - just start high and move it *through* center and you’ll get the accurate measurement! Also an important tip about not counting on the stem-clamp to hold the pistons against arbitrary force from the mic. I’m gonna get out my snap gauge set and mic and so some practicing :-) (I’m also finally a Patreon supporter now; I’m a lottle ashamed by how long I’ve been freeloading 😔)
@markengineeringSA
@markengineeringSA 5 жыл бұрын
Another great video, Quinn , making workshop measuring a snap ☺️
@Blondihacks
@Blondihacks 5 жыл бұрын
I see what you did there. 😬
@marcmckenzie5110
@marcmckenzie5110 5 жыл бұрын
Quinn, I wish I'd had these two segments on metrology in the shop when I very started. Lots of mistakes in junky measurement tools at the beginning. To the newbies out there, she's right - buy quality especially on your measurement tools. (I too skipped all the fancy dancy bore gages and other delights). And by the way, thanks for the awesome stickers!
@Blondihacks
@Blondihacks 5 жыл бұрын
I’m glad they arrived! 😁
@derekwilkinson7939
@derekwilkinson7939 5 жыл бұрын
Great video as usual Quinn. Cheers from the UK. 👍
@shaocaholica
@shaocaholica 5 жыл бұрын
Really enjoying these thanks.
@johnapel2856
@johnapel2856 5 жыл бұрын
Very good descriptions as usual. I have heard some bizzarre descriptions of snap gage use. I also now have an earworm. That's ok, it's a good song. Thanks and Meow.
@apyruite8493
@apyruite8493 5 жыл бұрын
The tutorial is good, the description is wrong. That's a telescoping gage @Blondihacks is using. Snap gages are a something different.
@johnapel2856
@johnapel2856 5 жыл бұрын
@@apyruite8493 yes, you are right. I misuse the term as do many. I guess it's just a colloquialism that we use to understand each other. "A telescoping gage? You mean a snap gage?" Well, no, but "Yeah."
@apyruite8493
@apyruite8493 5 жыл бұрын
@@johnapel2856 I get that. The problem, as I see it, is that in trying to understand each other better, you end up understanding each other worse. Things often become a _confusion of tongues_ rather than a Confucian _rectification of names_ . It's a philosophical position I apply to my craft.
@johnapel2856
@johnapel2856 5 жыл бұрын
@@apyruite8493, yep. I understand. I used to be half jokingly referred to as The Grammar Police by friends and acquaintances.
@rickpalechuk4411
@rickpalechuk4411 5 жыл бұрын
Thanks Quinn, really enjoy your content. Cheers
@danedewaard8215
@danedewaard8215 5 жыл бұрын
Those "Thumbs Downs" mean their "Thumbs Up" is somewhere else!!! Shame on them!!!!!!!!!!!!!!!!! Thanks for all your good work!
@Blondihacks
@Blondihacks 5 жыл бұрын
There’s always some people with nothing nice to say in this world. 🤷‍♀️
@kevinmartin7760
@kevinmartin7760 5 жыл бұрын
Another thing to ensure is that the snap gauge is straight when you measure it with the micrometer. The tip radii of the anvils will generally be smaller than the radius of the bore being measured so if the snap gauge anvils are not lined up with the micrometer anvils you will get a low reading.
@bostedtap8399
@bostedtap8399 5 жыл бұрын
Excellent description, thanks for sharing.
@rpavlik1
@rpavlik1 5 жыл бұрын
Nice scriber, reminds me of the one clickspring made: did you follow his steps, or just coincidental resemblance?
@Blondihacks
@Blondihacks 5 жыл бұрын
I did in fact follow his steps! 😁
@daveys
@daveys 3 жыл бұрын
Let’s talk about depth baby! I felt that you were channeling This Old Tony there.
@paulmorrey733
@paulmorrey733 3 жыл бұрын
Thanks Quinn
@Blondihacks
@Blondihacks 5 жыл бұрын
Sorry, I didn’t say what the actual reading is during the depth micrometer demo. It’s 523.5 on that piece of brass. Also, one of the things you learn making (and watching) a KZbin channel is that there are often different regional names for things. Everyone I know calls these things snap gages, but others call them telescoping gages. The latter is probably a better name, since there is another unrelated thing called a snap gage. However, you should know that people call them by both names. Also commenters get really mad about this information for some reason. 🤷‍♀️
@pauls5745
@pauls5745 4 жыл бұрын
I didn't like the idea of letting the anvils of the bore/telescoping gauge impacting the part. I always thought you should gently compress them to enter the part to not deform the inside surface.
@douglasharley2440
@douglasharley2440 Жыл бұрын
5:47 spinderella, cut it up one _time!_ 🤣👍 salt-n-pepa reference *respect.*
@1tonygunalan
@1tonygunalan 2 жыл бұрын
Can you describe how to turn one end of a 1" iron bar onto 60° sharp point. Thank you Quinn.
@scottb6282
@scottb6282 2 жыл бұрын
For an inside measurement where the surfaces are parallel, such as the bearing used in the snap gauge demo, would a vernier caliper give an accurate reading?
@madnessbydesignVria
@madnessbydesignVria 4 жыл бұрын
Have I never needed snap gauges, or have I never KNOWN I needed snap gauges... ? If I buy them, I guarantee I'll wonder why I never had them before... Excellent content, as always! :)
@RedDogForge
@RedDogForge 2 жыл бұрын
"lets talk about depth baaby" for a split second quinn was channeling "this old tony" lol
@askquestionstrythings
@askquestionstrythings 5 жыл бұрын
This was a good review for me with those "snap" gages. I'm wondering if I misunderstood the technique or if I was incorrectly taught how to use these as I always had issues with large variations in measurements on internal hole diameters.
@Blondihacks
@Blondihacks 5 жыл бұрын
Yah, they are tricky things, even with good technique. I hope this helped!
@1tonygunalan
@1tonygunalan 2 жыл бұрын
Am I misunderstood?
@curiousgeorge4608
@curiousgeorge4608 2 жыл бұрын
For holes up to .5 inch I just bought a set of ChiCom gage pins. I figure they are still probably more accurate than I can measure.
@MaxWattage
@MaxWattage 5 жыл бұрын
Is there any sensibly-priced way to measure the internal diameter of holes too small for a snap gauge? (e.g. 1/16" to 1/2" range) Precision Pin-Gauge sets are too expensive for the typical home-shop budget.
@Blondihacks
@Blondihacks 5 жыл бұрын
That’s a great question! If your precision needs aren’t super high, you can use the backs of drill bits or pieces of drill rod. They are not made to the same tolerances as gauge pins, but are often good enough. Failing that, you’re pretty much looking at investing in gauge pins. However, it’s not something that is needed all that often, so you can also wait. Small precision holes are generally made with reamers, so you can trust their dimension. You don’t need to check as you go as with larger holes that are bored.
@darwinsreptiles5212
@darwinsreptiles5212 5 жыл бұрын
@@Blondihacks You could also use a set of small hole gauges. www.starrett.com/metrology/product-detail/S829EZ
@OldtimeIronman
@OldtimeIronman 5 жыл бұрын
Set of small hole Gauges or use the shank of a drill bit. If I need real precision, I can turn and polish some piece of metal down until it just fits, then mike that.
@nikolasimeunovic9086
@nikolasimeunovic9086 5 жыл бұрын
Using drill bit end as measure gauge is very wrong. Drills usually have angle from cutting edge to the shank, to prevent it from jamming in the hole. That difference on shank is fairly huge for any precision work. Better use broken end mill shank or tap shank, they are made in tight tolerances and they arevery round.
@marcmckenzie5110
@marcmckenzie5110 5 жыл бұрын
Quinn, I've gone mostly Mitutoyo like you have for metrology. I had tried to partner with Fowler, but they do not appear to have adequate vendor quality control on their Chinese hand tools and I got tired of bad calibrations, rusty fixtures, and a don't really care attitude. Starrett is of course great too, but depending on the item can be crazy pricey. All that said, last week I went out on a limb to try an HHIP pin gage set and was utterly delighted by what arrived. Their M1 and M2 sets, combined, for $163 with free shipping. That's every pin gage size from 0.061-0.250 (set M1), and 0.251-.500 (set M2). Their accuracy and variance calibrations were excellent, and random sample testing 10 pins were all in-spec. So I don't normally plug a brand, but for those who need more than drill bit or reamer bit accuracy, it's a great affordable option. By the way, I have the same Mitutoyo Snap-Gage set, and indeed they start at 0.500 in measurement capacity - so together with your caliper and micrometer, Quinn is right as usual!
@pauls5745
@pauls5745 4 жыл бұрын
I was hoping you'd do a bit on calipers as they are useful measuring tools often used in conjunction with the tools you did cover. They come in inside and outside forms also and are the oldest family of measuring tools. by their simplicity, an antique set of them can be as accurate today as they were 75 years ago, even more so when used with today's measuring instruments
@billbaggins
@billbaggins 5 жыл бұрын
So.... upside down and backwards.. should be easy for us Aussies 😁
@yassinesaidi2338
@yassinesaidi2338 3 жыл бұрын
5:51 I liked you videos baby and I have to learn more from you maybe 😉😁👍 Thanks for the video.
@videoworldgroup9997
@videoworldgroup9997 3 жыл бұрын
Been loving all your videos. Just incase you trip across this post quick question. Are you running a OXA QCTP or a AXA? You links goto OXA QCTP and AXA tool holders. Sorry I know this is probably a stupid question
@roadkill5333
@roadkill5333 5 жыл бұрын
Lol on the Salt n Pepa reference!! It's DJ Machinederellas next hit "LETS TALK ABOUT DEPTH BABY"! Lololol!!!
@AkubraHatman
@AkubraHatman 4 жыл бұрын
Dumb question but where did you get your apron from? Cheers
@Blondihacks
@Blondihacks 4 жыл бұрын
Check out my Anniversary Q&A video where I answer that question and more. 😀
@CraigLYoung
@CraigLYoung 5 жыл бұрын
I'm suprised you didn't show how to use inside and outside comparator. Mr. Pete just got some extra ones if you need a set but they are very useful in the home shop.
@Blondihacks
@Blondihacks 5 жыл бұрын
Yah, those would be great tools to cover in a future video!
@jeffanderson1653
@jeffanderson1653 5 жыл бұрын
I’ve been using snap gauges wrong. Thank you
@ukaszokapa6782
@ukaszokapa6782 3 жыл бұрын
Damn! I seem to like your videos before you even say "Hello Internet" :P hahaha
@borismatesin
@borismatesin 5 жыл бұрын
That one dislike is someone who measures precision in furlongs.
@OldtimeIronman
@OldtimeIronman 5 жыл бұрын
Was gonna say, you should send that dull shell mill to Steve Summers, I bet he could sharpen it right up, he would probably make a video of it
@Blondihacks
@Blondihacks 5 жыл бұрын
I should do that! 😁
@rynohorn3819
@rynohorn3819 5 жыл бұрын
4:36 paused now i see how to hold a mic. Never sinks in
@1ton4god
@1ton4god 5 жыл бұрын
Thank you sir cuz I never noticed that till you pointed it out. That would be pretty cool to hold it that away leave your fingers free to turn it down. When I've used them on the engine block stuff in the past I've always just put them in the holder
@mcskifter
@mcskifter 2 жыл бұрын
No Jo blocks?
@robertlark7156
@robertlark7156 5 жыл бұрын
As always excellent content and explanations. Would have liked for you to have actually read the depth micrometer. Although your explanation was great, a closeup of the mic and your stating the reading would have been beneficial. I always tell my trainees to "read what you don't see. Agree with others that the correct terminology is "telescoping gage" not "snap gage". Interestingly Starrett has, over the years, changed their name of the depth tool from "micrometer depth gage" to "depth micrometer".
@Blondihacks
@Blondihacks 5 жыл бұрын
Yes, sorry, I should have done that! The reading was 523.5, for anyone who missed it.
@9A4GEMilan
@9A4GEMilan 5 ай бұрын
Looking at all that imperial measuring feels weird to me. I am using only metric measurement here in Europe (Croatia). Pretty confusing.
@eddietowers5595
@eddietowers5595 5 жыл бұрын
👍
@roadkill5333
@roadkill5333 5 жыл бұрын
I'm getting the notification that this was loaded 14 hrs ago!! I see there is already 2200+ views!! If I do a little quick math,........................................................you will be a top KZbin billionaire in about 2weeks, give or take! I may be off a half a thousandth of a point, or two!! Will you be going to Disney world? Any plans to get us all T-shirts? Tell Mickey (don't ask me how I know how to spell that!! Why, because I watched the show) HEY from me!!
@DavidLindes
@DavidLindes 4 жыл бұрын
5:55 (from 5:46) - what are you doing? I dunno... making us laugh? :D
@mrhung9244
@mrhung9244 5 жыл бұрын
I want to buy T.. where I can to buy it
@Blondihacks
@Blondihacks 5 жыл бұрын
There is a link in the description.
@mrhung9244
@mrhung9244 5 жыл бұрын
@@Blondihacks I from Viêt Nam ..a can't speak Enghlis ..how much is T? please!
@sharkrivermachine
@sharkrivermachine 5 жыл бұрын
I have been a machinist for over 40 years and I still have to think twice when using a depth micrometer. LOL It is upside down and backwards!
@Blondihacks
@Blondihacks 5 жыл бұрын
I’m so glad it’s not just me. 😅
@sharkrivermachine
@sharkrivermachine 5 жыл бұрын
@@Blondihacks Anyone that is honest about it has fouled up more than once.
@turningpoint6643
@turningpoint6643 5 жыл бұрын
@@Blondihacks Very well explained and all of it I wish had been available to me 40 years ago. There expensive (of course) and while I had the same Mit depth mic set you do Quinn I finally threw some bucks at the issue. ecatalog.mitutoyo.com/Depth-Micrometer-Series-329-Interchangeable-Rod-Type-C1140.aspx No more issues with me forgetting about that hidden number. Once you've used one of these the analog type are so Y2K. :-) For some of us Mit digital equipment is like heroin though. :-(
@blahorgaslisk7763
@blahorgaslisk7763 5 жыл бұрын
@@sharkrivermachine I've not even used one and I feel anxious about having messed up... Watched the explanation about how to read it and that snap as I finally got it was almost painful. Still wouldn't trust myself around one...
@JorgenLarsson
@JorgenLarsson 5 жыл бұрын
Salt-N-Pepa 😁
@Lucain24
@Lucain24 2 жыл бұрын
Oh, hi me! I Quinn too! ;D
@jimsvideos7201
@jimsvideos7201 5 жыл бұрын
So what you're telling me is that a depth mic is pretty much just a terrible left-handed ID mic?
@Blondihacks
@Blondihacks 5 жыл бұрын
Heh, kinda, yah. Any port in a storm, though. 😬
@jimsvideos7201
@jimsvideos7201 5 жыл бұрын
@@Blondihacks I kid, of course; I don't think I've ever had occasion to use one but I appreciate what they do and I'm glad you included them.
@andrewbrimmer1797
@andrewbrimmer1797 Жыл бұрын
Snap gauges look much easier that internal mics
@wescox2769
@wescox2769 4 жыл бұрын
Depth mic. less barrel exposed, measurement is increasing. Not the way you said it, but the way I understood it.
@jerryshay221
@jerryshay221 4 жыл бұрын
Did you have a "AvE" moment¿ Shame Shame! LoL
@callieraine8719
@callieraine8719 8 ай бұрын
Quinn, do you weld? I can't find any welding videos on youtube that explain things the way you do. Other videos i feel like im trying to put a puzzle together.
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