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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.
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.
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.
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.
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?
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.
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👍)
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! 😁)
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!
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
