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when did people start using the word "whenever" to mean "when"? Like nails on a chalkboard.
Nice informative video, but why is the background music so fire 🔥
tapered
hello sir , can i request how to do a 3D view on this monitor?
Thanks for the instructional video, very helpful!
Useful info. But you don't leave the details screens up for long enough to read the info [and I'm a fast reader!]. Maybe you shouldn't have been such a slave to that "less than 5 min" hook.
There’s a message at the begging that states “pause video as needed”. It’s there specifically for people like you who are “fast” readers.
Using this type of machine you are prone to side mill using an end mill. They do not call them END mill for nothing. You should plunge cut an end mill and just light finish side climb mill. That way you only have to sharpen the bottom . End mill last much longer and less time grinding just the bottom.
Thanks for brief summarised video can you add inches and mm size in video so that will be helpfull practical use.
Pity that you don't have time to read the important text! Annoying!
Very Nicely Done , It's as if my machinery handbook came to life with a quaint song playing in the background. P.S. It's much more than 5 minutes with the pauses.
Why is it labeled "inch" instead of SAE, which is more accurate?
You left out "British Standard". In the 70's I owned a Wickman Screw machine, which had Metric, Whitworth, & British Standard , threads on it !
Cool. I work in aviation and I have to deal with both ISO and SAE threads, which is interesting. And confusing, sometimes. Metric is for sure the better logic, but aviation still hangs on to SAE for the most parts, unfortunately. Regarding drill bits (as I've noticed some people commented), we only use metric drill bits, even for inch holes. It's just much easier to measure with a digital caliper and say "I need a 7.5mm drill", instead of dealing with the fractions.
Its not inch, ots standard
Thanks for the refresher. ME3180 was a long time ago.
Buttress looks similar to a standard inch or metric thread that has been over stressed but not quite stripped out.
Great Vid. I love interesting factoid type stuff like this. Who knew there were so many different types- super cool and Thanks.
Fascinating!
BSF and BA no longer around I guess.
Why is it “ inch” instead of “imperial”??
Doesn't ACME also make rocket skates, anvils, giant springs, invisible anything, tunnels painted on a rock face, all sorts of munitions and all sorts of falling objects?
A day class's worth of info. Excellent!
Great video. Informative and entertaining.
Thanks, I did learn something useful.
Nothing like when someone over torques a standard thread and it becomes a buttress
Nice work and very informative. Very good education for us amateur engineers.
Not inch surely it’s imperial
What? No BSF?
Perfect explanation
Inches thread angle 55 hota h .. aap ne 60 de rkha h... This is wrong
*Promosm* 😑
Great video
Excellent vid with great animaton. One caveat for the newbies out there. Mass produced capscrews/bolts and nuts have ROLLED threads which have zero stress points at the rounded root and crest. This makes them stronger than MACHINED threads which have sharp edges at the root and crest. These sharp edges are stress prone and thus make machined capscrews/bolts and nuts weaker. ALWAYS use fasteners with rolled threads whenever possible, especially in high load and/or vibration prone areas.
I'm forced to Cha Cha dance while i watch this video .The music got me dancing .Ive got no control over the music 😮
haha, same here!
No mention of the effective diameter, for the uninformed is the diameter used when rolling threads
Hola, TRADUCIDO AL ESPAÑOL/CASTELLANO POR FAVOR🙏....Bahhhh, si te interesa la "TELEAUDIENCIA LATINA" 🤷♂️!!!!! GRACIAS 👋👋🇦🇷🇦🇷
Ого
Huh, so simple. The central concept is to support at 3 points and zero those points. Bingo, you’ve got a plane. Saw it and felt a little dumb for not having realized it in the first place. (I have a good understanding of geometry, had just never connected the dots like this.) Thanks! (Very nice animation, btw👍)
No problem, thanks for watching!
Some of this should be required viewing for high schoolers - and every college student these days as well 😁
Kudos and thanks! This was so clear, concise and understandable, it’s by far the best reference on thread types I’ve seen - thanks again! (Just scanned your other vids - new subscriber! 😁)
Glad it was helpful!
I hate that rickety tick music. If you speak english well, do a voice over.
I have other videos with me talking, we do both visual 3D animations and others with me teaching "in person". Hopefully you can find some with music you like. Thanks for watching!
@@Machining-tutorials The best music is no music.
@@12345NoNamesLeftthat explains why I drive home in silence time to time 😂
Doesn't that give you a measurement that depends on where you positionned the 3 reference points? At least it gives an upper bound on flatness
By setting three jacks to zero, you create a reference plane. As you scan the entire face from this plane, identifying all highs and lows, you accurately measure the surface's flatness. This method ensures consistency; regardless of how you might reposition the jacks and establish a new plane, the maximum deviation found-the total flatness-remains the same. Essentially, no matter where the jacks are placed, as long as they're zeroed to form a plane, your measurement of the surface's maximum deviation (its flatness) will always be consistent and reliable.
@@Machining-tutorials There definitely seems to be something missing. For example setting the three jacks very close together could give a much greater deviation on a point much farther away... although no sane person would think of doing that. Probably though if the jacks are at the edges the difference would be minimal anyway
Exactly! Measuring within the area defined by the three jacks, especially when they're placed towards the edges of the part, ensures greater accuracy. This practice minimizes potential deviations that could occur if measuring outside this area. Positioning the jacks near the edges is indeed good practice, as it provides a stable and representative base for assessing the entire surface's flatness. Thanks for the question. I might pin this to the top to hopefully further explain this process. Ill cover this with an actual example and link to this video to help others. Basically stay within the jack parameter for more accuracy. @@jercki72
recommended gang
worked in aviation - radius root threads are known as J threads - did not realize it was the norm with imperial threads???
Thank you!
pitch ?should be axial distance in pitch diameter
The pitch and the pitch diameter are 2 different things.
You missed the 30 degree ISO Stub thread, which is a modified Acme thread, and has a widespread application.
There are so many more, we will include pipe threads in the future too. Thanks and noted!
Its not "inch". It's called "imperial".
Thanks for the clarification! You're right, "Imperial" is the correct term for the system, and "inch" refers to the unit of measurement within it. I appreciate the insight and will keep this distinction in mind for future discussions.
Strange, always knew inch threads are 55 degrees, you have 60, why?
The 60-degree angle you're seeing is actually the standard set by William Sellers in the 1860s, which deviates from the previously established 55-degree Whitworth thread. Sellers introduced a thread with a 60-degree angle and flat crests and roots, aimed at simplifying manufacturing and improving efficiency. His design was adopted in the United States and laid the groundwork for the Unified Thread Standard we often use today. So, while the Whitworth thread is 55 degrees, the standard for many inch-based threads, especially in the U.S., is indeed 60 degrees due to Sellers' innovations.
First of all amazing and love from India...My question to u is thread angle of Inch bolts is 55 or 60 please clarify...
Both Metric and standard are 60 degrees. Whitworth threads started this at 55 degrees but the industry wanted to make it easier and Im sure if you do a deep dive in google it will unlock the history of why these decisions were made.