How To Cut Threads On A Lathe
Ғылым және технология
This episode on Blondihacks, I demonstrate an approach to learn thread cutting on your lathe! Exclusive videos, drawings, models & plans available on Patreon!
/ quinndunki
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Пікірлер: 778
Right. I've memorised all of that. All I need now is a Lathe.
@Pushyhog
3 жыл бұрын
id rather have the clap
@Swiftwinter
3 жыл бұрын
So disappointed. I have everything I need except a sharpie.. Clearly no way I can start cutting threads. (seriously this another awesome vid. And I have none of what I need).
@mpetersen6
3 жыл бұрын
If one looks at a lathe as a lifelong piece of hobby equipment similiar to a decent table saw, sewing machine etc the lathes in the 10 to 12 inch range are actually pretty cheap. Plus there are always used ones out there. Some are used. Some are used and abused. The machine Quinn has $2400 plus shipping. Myself I'd go for the one that's 8 inches longer for another 100 bucks. This is the kind of money you could easily spend on a weeks vacation somewhere nice. Plus if you find you really do not enjoy making chips you can always sell it pretty easy.
@andrewgillis3073
3 жыл бұрын
If you live in a large town or a city, there may be extension classes on machining... They often let students use the equipment after class.
@markadolphus5094
3 жыл бұрын
I just bought a lathe and a mill all I need now is some time to set it up
"if you're a gamer you have been training for this your whole life - you will be fine". SO cool. I can't adequately express how your content is so concise yet accessible, friendly and fun! :) thankyou!!
At last, someone who tells you what you want to know in a visually and verbally succinct manner without any of the off subject babble they think is entertaining. Your channel will be my first port of call if I need to know how from now on. Thank you Quinn
I am new to this hobby, just got my 7x14 mini lathe week ago but I have been watching lots of KZread videos for past couple months and I must admit you are my favourite teacher. I am sure lots of other people are very knowledgeable but you my friend are born teacher, thank you so much for sharing your knowledge with us.🇦🇺
A well-used manual with smudges and fingerprints is a thing of beauty
@jimsvideos7201
3 жыл бұрын
Corollary: If you're reading the book for something and the pages are clean, you're probably in the wrong part.
@howardosborne8647
3 жыл бұрын
@@jimsvideos7201 well said. The grubby fingerprints bit is the most appropriate 'quick index' out there😁
@antontaylor4530
3 жыл бұрын
Never thought about it before, but yes - absolutely! My Haynes manuals are useless and as such have zero greasy finger marks. My Suzuki cheatsheets (printouts of useful information like torque settings for the kingpin bearings and such) are *covered* in smudges...
@SethKotta
3 жыл бұрын
@@jimsvideos7201 Bonus points for handwritten notes either expanding on / correcting certain parts, or (my personal favorite) repeating info that's on a different page for added convenience.
@mikeking7470
3 жыл бұрын
Works with cook books, too. When my Mom was sick her aunt came in to help with the cooking, etc. She made all our favorites, I asked and she said she just paged through the book to the pages that were dirty and cooked those recipes.
Found your channel while researching for my first lathe purchase. Hands down, the best videos I have viewed. Concise and to the point, without hours of endless babbling about irrelevant nonsense. Thank you Quinn!
@TurboVisBits
6 ай бұрын
lol all the old machinist people trying to impart their "ancient" wisdom.
Quinn, You MUST have a background in teaching, yes? I could learn almost anything with you as the teacher it feels like. Whenever I see this much talent being shared with ordinary people (who aren't paying btw) , it makes me wonder about the motivation that inspires it? Regardless, thank you for making these videos! I'm an aspiring hobbyist who frequently struggles with not owning a lathe. Stumbling across your videos has be a game changer for me. Between your teaching and my mechanical curiosity, I think I've just been letting my anxiety about the whole idea keep me from making the purchase. Once again, thank you for taking the time to make these! Certainly worth our time to watch them!!
Hey everyone- yes, I know there is a typo on one of the unit conversions. Save your comments about it. A lot of people are also asking about flipping the compound the other way for cutting left to right. Ideally yes, because then the cutting forces are pushing into the compound backlash direction. In practice it doesn’t matter because the cuts are light and this way the compound can’t hit the chuck. Lastly, I misspoke on the topic of stock diameter for thread peaks vs. flats. You’ll get pointy threads if the stock is a little too large.
@Clough42
3 жыл бұрын
Good point. Hitting the chuck with the compound is bad bueno. I took the corner off the compound of a Hardinge HLV-H that way.
@guitarchitectural
3 жыл бұрын
But if I don't comment about it, how am I supposed to make a low-effort no-content post that serves to boost my ego by slightly belittling someone I don't know on the internet? Are you trying to suck all the meaning and fun out of my life?
@beartastic-ftw
3 жыл бұрын
Save my comments?! ...but, but you made a typo .. ON THE INTERNET! Oh well, I guess I can dial down the abuse to 11, just this once.
@criggie
3 жыл бұрын
*cry* My little sherline lathe lacks a lead screw, change gears, reverse, and a compound slide. So tempted to upsize but no room, and every "affordable" used lathe is silly money. Weirdly, they only start getting cheaper again at three-phase and/or 3+ tonnes. I saw a used 10 tonne russian Stanko lathe sell for a couple-hundred dollars recently.
@macgyver5108
2 жыл бұрын
You could "pin" your comment here to the top, so it doesn't get buried by newer comments.
Twenty minutes and thirty-six seconds of metalwork heaven. Thank you Ms. Hacks!
"Lets all go to the lobby". Hey kids, remember theaters? That was a place we used to go on dates to watch movies together. What a crazy concept. Great video as usual Quinn.
@andrewgillis3073
3 жыл бұрын
Some of us are old enough to remember when theaters actual had place to sit and chat. And the weekend double feature with a few cartoons and a news reel. Mom and Dad could drop you off just before noon and not have to worry about the urchins until after four or five. ^_*
Having been a tool and die maker for a lot of years, I have chased a lot of threads on a lathe. That being said, I find this a very informative video to teach beginning machinists and hobbyists the proper way to preform that task. You go girl. :-) Charlie
@Mobile-ct1yf
2 жыл бұрын
If you happen to run across any BSW or any British thread the thread angle is fifty five degrees and not sixty
@somethingelse4424
10 ай бұрын
@@Mobile-ct1yfBSPP and BSPT. I'm wondering how many John Deere and caterpillar tractors are out there with hydraulics that have 60 degree thread angles on their BSPT connections because of me. 😂 Oops.
@Matt-wl3jo
9 ай бұрын
I find this comment funny coming from a guy with the username "up yours"
This has to be the best video in teaching thread cutting, so well explained you cannot stuff up, thank you so much
Quinn, I just wanted you to know that I've been struggling with screwcutting for several years and after watching this video about half a dozen times, I FINALLY managed to cut my first thread today on my little import lathe (I'm a Brit that uses metric, so went for an M12x1.75). It took me three goes to get something workable - and the third one was dog rough, but the nut went on. I can't tell you how delighted I am and you had a huge part in that. Thank you for all your careful explanations!
The hardest thing I find when learning a new topic is where to start. I find that rough knowledge refined over time with expwrice works better for me than an exact precise methodology upfront as I miss the broadstrokes. I have long since loved your videos for the fact that they make me, someone's who's less than a novice, get a feel for what I'm even learning. Some of your more in depth videos go over my head but I'll get there 😅
some very good info which I've not seen mentioned on any other channels, particularly interpreting depth of cut from the chart on the machine and much room you have for engaging drive based on the lead screw dial.
I love your video's, it's like a shop class. I really like how you step through the little details on how to do set up and the actual cutting!!!! Keep it up. It's great for me as I haven't ram my lathe since my grandfather taught me when I was much younger than I am now.
I'll never do this, yet I watched the whole video, as I have done with others. You are smart, articulate, and interesting, you would have been ( and perhaps are) a fine teacher.
I like the banjo on that lathe. It looks a lot less fiddly than the one on the Grizzly. The manual looks more helpful, too. The diagram with all the parallel threads is an excellent visualization.
@Blondihacks
3 жыл бұрын
Yah, it’s really quite a good design, as change gears go. About as painless as such a system can be, I think. Still want the ELS on there though. 😀
@chevyfahrer
3 жыл бұрын
@@Blondihacks there is somebody around making them........dont rmember his name :)
@Clough42
3 жыл бұрын
@@Blondihacks I was thinking about making a bowl of popcorn and waiting for the comments to start. :) The fact is, though, everything you teach in this video is all still applicable--even with some electronic help.
This was a most informative topic on lathe work that I've watched yet. I just love your videos, I watch them almost daily although I think I've watched most of them? I also love your sense of humor too, you really tickle me! Thank you Quinn for all your videos.
I love spending my Sunday's watching you explaining how to do things on your lathe ! And so by watching your vids it gives me some confidents of what I can do with my little machine. Just to say I am a noob and have only done a few hours of machining on my lathe I have ordered some thread cutting tools so I will give it a try, as I have been doing my threads by using Dies.
Love your mind! You are so clear and easy to understand. I'm watching all of your videos, cant get enough of them. So glad your making them. Thank you!
Hi Quinn - I recently discovered your channel. You're an EXCELLENT teacher. Keep up the great work!
I'm very happy to have found your channel, your explanations are very clear. My father was a bit of a tool wizard and gifted me his Sherline mini lathe and mill before he passed. I now have hope that I might be able actually make something with these great tools he left me.
This reminds me of how much I love my 350MY-II at work. No change gears, bilateral flank in-feed, tapered threads/taper correction, automatic DOC reduction... I even wrote a custom macro for bilateral in-feed with center roughing and pitch diameter control for difficult Acme and TR multi start threads. I love watching your videos Quinn, but I always leave thinking 'thank [insert deity] I don't have to do that at work!' 😅 Keep doing what you do 😊
@consaka1
3 жыл бұрын
Yeah can you set up my 1953 12-30 Hendey that way? :)
Awesome love your consistency every Saturday morning
I never even thought about the compound angles being different on import lathes, like you said, nobody ever mentions it... Now I know why I’ve been getting sawtooth threads! Thanks Quinn!
@RathTater
3 жыл бұрын
@@somebodyelse6673 The tool remains square with the workpiece at all times, which is what you use the fishtail for. The compound angle determines the angle of the feed into the workpiece, which means that you feed in following the angle of the thread profile so you’re only cutting on one side... at least that’s how I think it goes
thanks for the great video. I enjoy watching both you and Joe and have learned a lot from the both of you. And it's always nice to see different methods from several machinists. Thanks for sharing. Dan
The way you describe things is so clear and concise. I admire that :) Keep up the good work!
Hi Blondi, I have watched every one of your Videos. I just started trying to do Machining as a hobby. You are the best Teacher on the Internet, and I really appreciate what you are doing. Very well explained Videos. Always looking forward to new Videos. 👍
Great Video Quinn. You have a gift for explaining /teaching in a way that makes it easy to understand. :-)
Fantastic video! I love how you're videos always demystify the basics when teaching. 😊
Yay! A new Blondihacks video! Another good lesson. It still looks weird seeing threads being cut backwards, but it makes sense. Thanks, and Meow to Sprocket.
Quinn you're the best. Really! All those reasons behind the methods. I usually watch more than once just for the enjoyment. Thanks.
It's like a chilhood trauma. I see change gears - I hear This Old Tony's voice inside my head and wait for divider head imminent appearance.
@lostvikinga
3 жыл бұрын
Tony's lathe is a better model with power cross feed and time travel as standard.
@HanstheTraffer
3 жыл бұрын
This Old who?
@andrewgr144
3 жыл бұрын
@@HanstheTraffer "This Old Tony" is an amazing Machinist channel. He's hilarious, and in the last few years, his videos are basically like having a super-funny friend coming over and talking to you about machining. Check his channel out!
@HanstheTraffer
3 жыл бұрын
@@andrewgr144 I know who he is ...was joking because he doesn't like me.
@andrewgr144
3 жыл бұрын
@@HanstheTraffer Oh, sorry!
Love your videos, love the way you explain things. Getting my first lathe soon because of this channel!
Thank you. Its the minor details that are over looked by experts when your starting out cutting threads that I have not been able to find. You have answered most of the major questions I have had. Thanks for the video.
Great video for a first time thread cutter, or anyone wanting to understand how it all works. Thanks for your contribution! I'm going to cut some brass threads this week because of your video!
Great and concise for my first thread cutting experience. I bought an old Harrison AA lathe and excited to try it out, after I run through some diesel fuel to free up the gear drive box from freezing sludge. Great to have the reversing feature and gear selectors but do need to swap gears for metric, unlike my friends Leblond. He's a lucky guy!! Cheers Patreon girl!!
how do you manage to get the point across so well? i find your lessons so much easier to understand than others. thank you. also you are sooooo cool. i admire you, you just plain rock.
I was struggling to learn it from the past few days, thank you very much!
That tip about the Chinese lathes and the compound setting is gold 🥇!!! I had mine set up wrongish.
This is very well presented and you explained it the best possible way. You have a great knowledge about the topic and you are master of teaching.
You have an awesome teaching style and voice. Looking forward to more of your content. Thanks for the time.
Another great video. Thank you. I love shopping in the description links!
I have just subscribed to this channel because it popped up in the feed, and I recognized the name from a podcast! It worked!
Nicely explained, really good tutorial, you do it well. So glad I now have a small cnc lathe to take care of threads.
Good Gordon, every single question I have you have an answer to. Thank you for being so awesome. I inherited an old South Bend lathe and am slowly learning how it works, but I have been absolutely confused about reversed threads. You have taught me much, master lol. Thank you Blondihacks!
I liked this video. I always wondered how threads are cut by lathe. Thank you Blondihacks ! Subscribed
Thanks so much for these tips! The second thread especially seems so simple but so useful, by making the empty air as your "gutter" you get to calm some anxiety about running into he chuck!
Wow thank you. Lots of videos out there . Yours most clear, concise. Gonna save this one for sure
Screw cutting explained very well indeed. Thanks Quinn you have a great way of imparting knowledge. Happy New Year and all the best to you.
great video! I usually cant watch things like this without getting sleepy but the way you explain keeps me interested! Great job!
Great video thanks your content is so clear in explanation and easy to understand for self taught machinist like myself . Just restored old TOS lathe thats been designed for threading so looking forward to using some of your content to hopefully be successful thanks again
Excellent demo. Both you and Joe Pie are a wealth of knowledge.
Even though I was hoping for another steam engine vid . I still appreciated this video. Quinn has a gift for explaining
@iamjimgroth
3 жыл бұрын
I completely agree. I think it's the explaining and not just telling what to do.
Another very informative video, thank you, and i love your relaxed instructions and explanations.
Oh boy! Leftover pizza and a video from Quinn, what a Saturday!
Great video. I finally got my lathe set up and turning some projects. I really enjoyed this video as well. I’ve watched Joe P’s video on threading too. Both will be very helpful as I start working on threading. Thanks.
I love the precision of your instructions! You seem to use the right word in the right place at the right time. That is rare in YT videos...
@Blondihacks
3 жыл бұрын
Watch more of my videos- I say quite a few wrong things, but I do try my best. 😁
Fantastic video: informative, succinct, and well edited. Thanks!
I'm new to machining and this was spectacular! Informative and easily understood. Thanks!
New to the lathe, thank you very much for the video, it genuinely helped me.
Thank you very much. Beautifully described in a way that has made it easy for me to tackle and achieve what I had previously been reluctant to try. You have made me a cleverer man. Thank you again.
Love your videos. You explain things in a way others can easily understand.
Hi Quinn. Alberto, from Spain. You and your work are great! Very very very well explained. I have bought a lathe and I can say that you have thought me the first steps with your videos. And of course I become a patreon. This work have to be rewarded
Hi Quinn, I have followed your channel for a while and I have to say that you really appeal to my visual learning skills being that I’m an older person. My wife often has a chuckle when she comes into my workshop with my tea and scones to see my laptop set on a table with your page open and me pausing….doing….pausing….doing, but hey it works for me. You say you are a hobbyist and if that is the case then your mechanical mind must be like a sponge as you convey so much information in palatable chunks and with such clarity…..admittedly I have to sometimes watch a few times, normally 3 to understand. I like that your cadence is steady throughout too and the video build and blend nicely into themselves. Take care and thankyou so much
hi with paul, i am new here in this field, i just bought an import lathe the NU210E the latest Chinese mini lathe based on so many models WM120v and brands names. this one is special and has a mini computer to cut your threads and you don't have to change gears anymore. learn a lot in this video !
You explain things so well. Thank you for all the videos.
Very awesome , Thank you for the breakdown , I need all the help I can get . You make it look so easy .
Very good step by step instructions for beginners. Your very thorough. One thing is that some folks when engaging the half nut and using the counter have told me that with even threads use 2 or 4 and odd use 1 or 3. As you demonstrated the way you did it works just fine. I've used the cross Feedmethod and compound method and both work fine.
Thanks for the great content. Always helpful information for us hobby types.
I have cut a lot of threads over the years, but have been away from the lathe for about 8 years, this was very straight forward and informative,,,,,well done Quinn.....cheers from Florida , Paul
@x2malandy
2 жыл бұрын
I was going to comment this same thing. Memories, rest between the pages of my mind.
Just over halfway through, but this is by far the best video Ive seen explaining the threading dial, very awesome Quinn :D
@samcoote9653
3 жыл бұрын
Also, best explanation of the mismatched threads. Awesome video as always Quinn :)
Clear and precise procedure, thank you. I have an old Atlas lathe, been a while since I've used it, now I'll have to go check it out and see what I can do. I just subscribed too.
Thank you so much for this video! I have been looking for information and watching various movies. You have summed up most things and also explain why. Both for inches and mm.
Very good tutorial ! Been doing this on larger machines since 1980.
Where did you learn this craft? I grew up in a machine shop & have been doing this kind of work for over 50 yrs. I still learn something every time I watch you, GOOD JOB!!!!!!
Best intro I've ever seen! Thank-you.
Fantastic video as always. Very entertaining entertaining and informative. I've learned so much from you!
I was looking this up last night, I'm not a machinist yet but need to print threads for a model in my resin printer, I have to understand the right way to lay them out. Thank you, this will be useful in future when I get a lathe!
To set the backlash on the gears I was taught to have a sheet of paper between the gears when you close them together. Once locked into position roll the gears so the paper is pushed out and you'll have the backlash perfectly set.
@Blondihacks
3 жыл бұрын
Yah, that method never works for me. 🤷♀️
@624Dudley
3 жыл бұрын
There’s a catch. You have to use A4 paper for Metric threads, but Letter for Imperial.
By far the best threading video i've found! 👍👍 I screwed up some threads this morning and decided to give myself a refresher. I'm so glad I did because the upside-down method is incredibly useful because i couldn't get my speed fast enough for carbide. 😐
@2point2
Жыл бұрын
subscribed.
Thank you for making this. I'm learning machining, and this was very helpful.
You know your subject and your a very good teacher. I subscribe in less than 2 minutes. I look forward to learning from you. Thanks
Thank you much 🙏 just cut my first thread 7/16-14 on some stainless. Very informative and well put together channel.
Thank you so much im a new to thread cutting and i had a problem with the compound angle. You fixed my problem its not just the chinese lathes that have the 0deg parallel to the spindle also my Bulgarian zmm c8 lathe 🥰
Okay , This is my second time watching this video ..... I am going to try cutting threads tomorrow , I ordered a pre ground tool set from amazon . I did make a few chips today and I did much better . You are right , a sharp and correctly installed tool is the key .
Your videos and Joe Pie's are the easiest for me to watch and learn from and that reverse threading is the best for barrels and compensator work for sure. I am just a back yard cutter always checking things out. Great Videos
@1SmokedTurkey1
2 ай бұрын
Why is it best for barrels to reverse thread? Not worrying about a shoulder to crash into?
@dickgalahad4508
2 ай бұрын
much easier to not have to worry about the shoulder, yes@@1SmokedTurkey1
Thanks. You really helped me to cut my first thread on my 7x14 mini lathe. After "little" modifications there aren't that bad.
Great video !!! I usually spray the gear lube into a small cup then apply with a cheap brush. Saves a lot of mess.
Thank you so much for this. I need to cut a rather obscure LH thread for an old machine and have been practising and failing to even manage the RH version. I was about to call it a day but watched your video to find out what I was doing wrong and then magically, success! Mostly the lesson was taking off the tiniest amount of material each time and making the same cut twice in a row towards the end and using the dial gauge rather than relying on what the indicator said. Thank you.
Just bought a lathe and looking for a demo of of thread cutting landed me here. Great video! And now your entire "big steam engine" build has been added to my Watch Later. Look forward to watching it.
I think there's a song about you... "She's a bad mamma jamma!" Something like that! I found your channel because you are mentioned as a supporter of the Making It podcast on Patreon. Now I need a metal shop to go with my woodshop!!! You're awesome! Thanks for the videos!
this video is amazing, so well done. thank you. there was a few things i could not remember from school, and i actually learned a few things from this.
Interesting video and very well done, the way the information is presented makes it easy to understand for someone who has never done any machining of any type other than with a hand file :)
Quinn, a quick and easy way to set gear tooth clearance is a piece of paper between the meshing teeth! Ordinary typing paper is fine. It has always worked well for me. Good video btw.
Thank you for teaching, today I cut my first threads, i messed it up a bit though 😂, but I've learnt the fundamentals clearly that you have demonstrated in the video. Thanks for being here.
I just ordered a lathe. Can’t wait to try this. Thank you!
Very en-lighting and now that I have moved up from an old SB 9c with manual change gears to a LeBlond 17,,can't wait to get it set up and start doing some threading (@@),,great camera work as well,,thx Bear
what a great teacher. Great job Quinn!