I can't express my gratitude enough of what a great teacher you are.

@mamoshimamoshian9078

4 жыл бұрын

Yep....:) Brother You took these words out of my head...:) MRPete, Wish a very long life and Good health so that you keep doing what you are doing Brother...

I inherited a wonderful old machine. Never knew how to center the chuck til now. Grandpa will be proud. Thank you so much :)

Great Video! 25 years in the trade and your the second guy I seen that knows that these are adjustable. It does baffle some guys to think you can adjust a 3 jaw chuck.

@mrpete222

5 ай бұрын

👍👍

Thanks for the lesson Sir. Never tired to watch your video.

Mr. Pete: I've been watching your videos for years; that's how I learned to be a machinist. In 2015, I was pretty clueless, never mind such sophisticated nuances as a set tru chuck. Now many years later and an order of magnitude of competence better your video pops up at exactly right time. I just bought a six jaw set tru chuck from SHARS (couldn't afford the other guys which are 2 or 3 times as expensive}. Even at chineseum prices this was a pretty big purchase for me at about a grand including D1-5 backplate. Long and short is that I am very happy with it and glad I spent the money. TIR is repeatable to about 0.0002 or 0.0003. Thank you, once again, for all the first class training and education you have provided me and thousands of others.

@mrpete222

2 жыл бұрын

Thank you for a great comment, I am so glad that I might have helped you

Many thanks mrpete for another excellent tutorial. Very informative for the uninitiated. regards from the UK

@mrpete222

8 жыл бұрын

+Gary C THANKS

I know you made this in 2015, but thank you for taking the time you do to make all your videos! I have a Buck like this for my Atlas 10" and never realized it. I'm headed out to the shop now to check and adjust mine! Thanks again!!!!!

@mrpete222

5 жыл бұрын

Thank you, I'm glad you liked it

Your videos are incredibly good! I've been watching them back to back all weekend long and I've never even touched a lathe in my life. Super entertaining and informative, your basement must be like Disneyland. I bet your students looked forward to your class every day.

@mrpete222

8 жыл бұрын

+Craig Porter Thanks for watching--yep, when i was a disney world, I kept thinking about my shop

Very informative video - I was amused by the fevor with which you proclaimed that set-up being preposterous.

@mrpete222

8 жыл бұрын

+John Strange Thanks for watching-yes, I amused myself

You are a proper teacher.

Thanks Mr Pete, I never knew how they adjusted those before. Thanks for the video

@mrpete222

8 жыл бұрын

+Bundy Bears Shed Thanks for watching

I have that chuck that came with my 11 Rockwell, new chuck is more then I paid for the whole lathe. Nice to be able to dial it in. thanks for the proper procedure.

@mrpete222

8 жыл бұрын

+Ed Ginsberg Thanks for watching

Very informative videos! I wish there'd been a machinist module in my high school back in the day!!!

@mrpete222

7 жыл бұрын

Thank you very much

First-class instruction, with zero perplexity, and scarcely any run out.

@mrpete222

8 жыл бұрын

+Paul Mcnulty THANKS

...best reason I've ever seen for owning a 4 jaw chuck...

Once again a very informative and a GREAT video two thumbs up!

@mrpete222

8 жыл бұрын

+Rosario W Thanks for watching

Excellent video as always.

Muchas gracias señor Pete, very useful video, I didn´t know this adjustment could be done. Regards from México.

@mrpete222

8 жыл бұрын

+José Hernández Thanks for watching

explained in detail as always.. thank you mrpete for sharing..

@mrpete222

8 жыл бұрын

+Kevin Willis Thanks for watching

I really enjoy your videos , helpful

Hey Mr. Pete, great video. I have one of the Pratt-Burnerd 6 jaw GRIPTRU chucks on my South Bend. Their adjustment system is actually a 3 jaw in a 3 jaw. There are 3 adjustment screws that bear against the backplate to center it. If you should see one at an auction, I'd highly recommend picking one up as they're a pleasure to use.

@mrpete222

8 жыл бұрын

+ChipMaker 1066 Thanks for watching

such deviations is why we use tolerances on the drawings, specially the geometric tolerances. In most cases of maintenance machining. the most of the time consumed to remachine a part is spent to align things before doing the corrective cut. very good video.

@mrpete222

2 жыл бұрын

Thanks

Us youngens would be lost without you legends.

@mrpete222

4 жыл бұрын

👌

Awesome Mr Pete, thanks to you I have my 1942-14&1/2 x 8 Southbend running less then .001 out!!!! For the last 20 years it's been out about .030, I thought someday I would grind it but then ran across this vid!!! I didn't know mine was adjustable, when I saw your vid I ran out and looked!! Mine is quit a bit different, no make, has 4 small (3/16) Ellen's for adjusters and 6-5/8 hex heads that hold it centered, I didn't know they existed until I saw your vid!!! I have learned so much from you!! Thanks so much!!!

@mrpete222

6 жыл бұрын

I'm so happy you have that chuck accurate again

@aliceauthenticc

5 жыл бұрын

Herb Hartman yy

Awesome chuck design. I really never knew that existed!

@mrpete222

8 жыл бұрын

+davida1hiwaaynet Thanks for watching

on my job I ran a Mazak V miller with a 4th "c" axis. it used this type of chuck. it was essential to that work. this was about an 8" chuck. sometimes the chuck had to be removed, and a big arbor put it its place . only way to adjust the location of that arbor was a lot of care and patience.

@mrpete222

8 жыл бұрын

+David Klingman Thanks for watching

A note on the Hardinge spindle nose it was used on their lathes, milling machines and index heads. You could turn a part, remove the chuck and part and mount on the index head and do a milling operation. Hardinge machines where the greatest!

@mrpete222

8 жыл бұрын

+Peter Taylor Thanks--thats good info on great machines

Mr. pete You Sir, are a very good teacher. I am just an old welder.but enjoy your videos very much, learn something all the time. I thought the tolerance might have been closer to a RCH. Thanks.

@mrpete222

8 жыл бұрын

+pipewldrjim 73 Thanks for watching

Mr Pete, I bought a Gator (Fuerda) 6 jaw 6" adjustable chuck last year. It has reversible jaws which are great and I have been able to get most stock dialed in very closely. I shot some video to post an online review, but haven't got around to editing it. I guess it's time I do that. Thanks for the video, as always I picked up some tips!

@mrpete222

8 жыл бұрын

+bendavanza Thanks-looking forward to the video

I know this is an old video, but still useful! I just tore down a really gummed up 3 jaw chuck for my Clausing 11 lathe and discovered 4 little allen screws with button inserts under them. Figured out this must be what they are for. Now to go fine adjust the thing. This one is an old Pratt Burnerd chuck with the 3 pin camlock quick change feature.

@mrpete222

7 ай бұрын

👍👍

great vid always learn something new.

@mrpete222

8 жыл бұрын

+Alexander Tauriainen Thanks for watching

Hi mrpete, got a big 10" 6 jaws chuck with this feature, this is a VERY useful tool, does 99% of my jobs, one thing, once "zeroed" it's good for that particular diameter, since the scroll isn't perfect on all it's range. ;)

@mrpete222

8 жыл бұрын

+pierre beaudry Yes, universal chucks sure have their faults

@pierresgarage2687

8 жыл бұрын

This feature avoids many changes to 4 jaws chuck, since big 80+ pounds chucks and getting older DON'T match... lol

@ellieprice363

11 ай бұрын

There may be three jaw chucks with hardened and ground scrolls that wouldn’t need this feature but they would be too expensive for the home shop.

I was fortunate enough to find that same Federal Testmaster on Ebay at a really good price. It is a wonderful indicator.

@mrpete222

8 жыл бұрын

+dale pratt Thanks for watching

Thanks for another great vid Mr.Pete! That Arkansas socket wrench looks a lot like a Toledo (pronounced too-da-lee-do)torque wrench.

@mrpete222

8 жыл бұрын

+Mr Frog Thanks for watching

Very nice lesson in adjusting a Buck chuck. That would be a very nice chuck to have but not if I have to pay for it. =(;-) I will be waiting for the next video. Thanks for sharing.

@mrpete222

8 жыл бұрын

+cerberus Thanks for watching

Mr pete very informative thank you mate.

@mrpete222

7 жыл бұрын

Thanks for watching

Great demonstration--Now if only I can find one of those I can afford!

@mrpete222

8 жыл бұрын

+Rick Rose Thanks for watching

Great video Mr. Pete. You know I just finished reading "Work holding in the lathe, Workshop Practice Series" by Tubal Cain. He shows the three jaw chuck mounted in a 4 jaw independent chuck as a set-up for turning eccentrics. Thanks so much for taking the time to show the demonstration to this wanna be home shop guy! Joe

@mrpete222

8 жыл бұрын

+My Heap Thanks for watching--thats interesting, I have never seen that book

@MyHeap

8 жыл бұрын

+mrpete222 Here is a link on Amazon if you want to take a look. I have several machine shop related books but just started buying the Workshop Practice Series. I am a computer geek by trade so I am trying to find all the resources I can to learn, but so far they all pale in comparison to your KZread videos and LFE courses. I really appreciate what you are doing. Like I told you before, it has given a me a chance to get into the workshop with my teenage and older children and teach and learn together. The Link: www.amazon.com/gp/product/0852429088?ie=UTF8&tag=amaterobotres-20&linkCode=as2&camp=1789&creative=9325&creativeASIN=0852429088 Joe

@mrpete222

8 жыл бұрын

+My Heap Thanks--good to know

I remember one of your videos where you mentioned snow on Thanksgiving. my wife just opened the door and is snowing here in central Indiana 6 days before Thanksgiving which means that you are probably getting it also.

@mrpete222

8 жыл бұрын

+Richard Haisley Its snowing here too--4"

SO THAT'S WHAT ALL OF THOSE SCREWS ARE FOR. THANKS MR. PETE.

@mrpete222

8 жыл бұрын

+ROBERT HORNER YES-- Thanks for watching

Educational as usual. Thanks

@mrpete222

8 жыл бұрын

+19441978 Thanks for watching

I didn't know these existed, cool vid.

@mrpete222

6 жыл бұрын

Thank you for watching

The Pratt Burnerd chuck on my Myford only has three adjusting screws. It take a little getting used to, to true up, but it goes fast once you know what to do. Also this type of chuck seems to go out of adjustment after a lot of tuning. I do it about once a month or whenever there is a lot of work that I have to do with removal and replacement. They are a nice extra for a lathe. Again thanks for showing and explain the other chucks that have the same feature.

@mrpete222

8 жыл бұрын

+Ernie Noa I was surprised that they used only 3 screws

What about holding a four jaw chuck in the three jaws chick held in a four jaw chuck? That would make it super duper accurate! Just kidding, thank you for all your old school tips, I'm binge watching your videos and learning a lot.

great video learned something new today

@mrpete222

8 жыл бұрын

+Scott Tyndall Thanks for watching

Maybe a simple tip, if you start, there was a .004 difference between the high and low, so turn the chuck till it measures .002. set the indicator to 0 and start from there, closing in on the 0 of the indicator. Kind regards Hans

Hello Tubalcain :) Off topic sorry , I have this question, what is the right formula to calculate the module (metric) with this details I have [OD, Helix Angle, and Number of teeth ] ,

on a used chuck, due to scroll wear it will only be true to the diameter for which it is set. you had the adjustable wrench backward, the pressure is always supposed to be on the solid part. Crescent now has an arrow on the handle to show the correct way.

@mrpete222

8 жыл бұрын

+Richard Haisley True- Thanks for watching

@ellieprice363

11 ай бұрын

Sometimes he does that on purpose to see if his viewers are paying attention.

How is the scroll plate manually machined?

Thanks

Mr. Pete, I have an old Craftsman Lathe and in measuring the run out I noticed that the jaws are not 100 per cent in contact with the material. When I close the jaws with no material them seem to be all coming together uniformly. Any suggestions?

what is that dial called which you are using I want to buy one

cool stuff

3 jaw in a 4 jaw isn’t preposterous, it’s brilliantly resourceful

@mrpete222

Жыл бұрын

lol

röhm actually has a different approach with three tapered spindles gripping tangentially to the flange, that's why they are way more expensive i guess.

What do you mean we .......... you Lol always makes me laugh awsome work as very helpfull

@mrpete222

8 жыл бұрын

+Dave Fd Thanks for watching & laughing

I rather liked the set up (chuck in a chuck). Of course I also bought a diesel Oldsmobile in 1979 as well. Older folks will know what I mean.

@mrpete222

4 жыл бұрын

I remember those diesels. They were universally hated

@oldhick9047

4 жыл бұрын

@@mrpete222 Oh yes indeed they were, it was my wife's car and she has never forgiven me, we lived in Anchorage Alaska at the time. Being a truck driver, I liked and understood diesel motors, except this one which was a worked-over small block gas engine and a terrible idea.

@ellieprice363

11 ай бұрын

GM only did that a couple of years to get their average fuel economy up to federal standards. Bad mistake to modify a gasoline engine to run on diesel fuel. Didn’t work although it might have helped sell a few more cars.

@oldhick9047

11 ай бұрын

@@ellieprice363 Lol. It most assuredly did not work !

I saw a lot of parts come flying out of those three jaw chucks in college machine shop lol

I tried to parting off with a three jaw in a four jaw. It went very bad real quick.

@mrpete222

8 жыл бұрын

+Bob Cartwright Right-no good

@jarbothehutt7027

8 жыл бұрын

+mrpete222 That just looks scary! :)

considering how simple this adjustable chuck is made....basically a few extra tapped holes in the body and backplate....it begs the question as to why they are so expensive.

@mrpete222

5 жыл бұрын

Just try making one of those schools. Would you do it for $500? LOL

@waynepetrevan

5 жыл бұрын

@@mrpete222 and you do it well sir! I thank you for it, just wondering about a few extra tapped holes is all.

What holds the chuck back into the tapered nose on the Hardinge ?I would think turning the chuck the way you did when you mounted it would be the only way to go, in use the thrust would then be tending to tighten into the "bayonet" groove.

@mrpete222

8 жыл бұрын

+Englishman French a set screw

I'm thinking about modifying my 3 jaw so I can do this. I can't imagine it would be a difficult thing to do.

@ellieprice363

11 ай бұрын

It actually would be quite difficult which you’ve probably learned by now if you tried it. Best to try to find an adjustable type and not ruin your three jaw.

Also that’s the ‘L’ type lathe tapered spindle. L00, L0, L1-L3 if I’m not mistaken.

Yeah, Notme and Ida No live in machine shops, too. Wasnme is a first cousin. I have a chuck that's missing one jaw. If I give you the details, perhaps we could make a trade? Nice video. Thanks, John

@mrpete222

8 жыл бұрын

+John Bazaar Thanks for watching-sorry, no trade

@cavemansmancave9025

8 жыл бұрын

+mrpete222 Thanks for letting me know.John

Please add to your list the Kalamazoo "Micro-Set." I have one and it is superb, repeats to a few tenths. Made in Michigan, USA.

@mrpete222

8 жыл бұрын

+11zekim Yes- Thanks for watching

I was hoping that you would un-chuck and re-chuck some stock to see how accurate it is at different diameters

@mrpete222

8 жыл бұрын

+jeff barber Thanks for watching--no

minute 9:09 why is the number 2 jaw in the number 3?

It is called a taper lock

🥰

takes me forever to center my work in a 4 jaw chuck on a leblond 14" need a 3 jaw for the lathe leads??

@mrpete222

8 жыл бұрын

+rob armstrong Thanks for watching

@nSackStyles

5 жыл бұрын

Could you tell me the name of the instrument using which you centralise a material in chuck?

So whats the advantage of using this instead of just a regular 4-jaw chuck? Seems redundant

Mr. Pete222. You seem to be a chuck expert. Did you ever come across a 3 jaw scroll in a 3 "jaw" independent chuck kind of design? I just fixed on up that came with my vintage Karger lathe. And I think it might be very old and it could be Dutch since the writing on the chuck is in Dutch. Unfortunately I can't find anything about its origins. Being Dutch myself this chuck has me interested. There is a video about the chuck on my channel in case you got interested as well :)

@mrpete222

7 жыл бұрын

No--never heard of such a thing-Thanks for watching

@pierrecorcessin7571

7 жыл бұрын

mrpete222 b

@katyfox2749

7 жыл бұрын

Back in the '80's I worked in a shop that did proof machining of forged oilfield flanges and valve bodies , where I ran an old Bullard VTL , it had such a chuck each of the 3 jaws were individually adjustable and when you pushed the chuck close button ALL 3 moved in together.

A blonde hair, you naughty old man.

@mrpete222

8 жыл бұрын

+just tim Thanks for watching

I had a federal indicator like yours that got crushed by a machine. I sent it in and it came back like new.

@mrpete222

8 жыл бұрын

+Richard Haisley Thanks for watching--Great!

Excellent results! O,,,

@mrpete222

8 жыл бұрын

+Opinionator52 Thanks for watching

it's not an Arkansas socket wrench. It's known as a several 16ths . Or a Swedish nut lathe. lol

@mrpete222

8 жыл бұрын

+Eric Skinner Thanks for watching

Good Demo, mrpete. However, the accuracy of any scroll chuck is still at mercy of the accuracy of the geometry of the scroll. That indication is only fully reliable with that diameter of work piece. Any larger or smaller diameter may indicate quite a different run-out, due to variances in the scroll. I feel the "Tru-Adjust", and others like it, are most useful in production work, where one or more operations are preformed on several items with regularity, and these chucks are not a "cure-all" for all off-centered 3 jaw chucks. That being said, they can be useful, but for better accuracy in the home shop, the good 'ole 4 jaw is much more practical. Thanks for your fine & informative work. Keep up the good work, I really like these videos. Dick

@mrpete222

8 жыл бұрын

+WB8MHE Thata true- Thanks for watching

U.S Patent No. 2,639,157 to James Buck, et al., expired in 1970. That's how a host of imitators came into being.

@mrpete222

8 жыл бұрын

+MrShobar Thanks for watching-I was wondering why there were so many imitators

@MrShobar

8 жыл бұрын

This was a very interesting discussion. I've wanted to own a Buck lathe chuck for a long time.

And here i am with a chuck having 20thou runout

@ellieprice363

11 ай бұрын

Wore out. Jaws need regrinding.

@lbochtler

11 ай бұрын

@@ellieprice363Worn out spiral cam grooves is more likely, as the runout varies with the work diameter, but is repeatable. Problem is, i cant get the chuck apart, screws that should make the cam plate removable, seems either brazed in, or otherwise firmly connected to the chuck. I have yet to get it to budge. I dont use the 3 jaw much, i mostly use a face plate / 4 jaw chuck, and collets. The 3 jaw would be nice though.

Arkansas socket wrenches! ......Hah!

@mrpete222

8 жыл бұрын

+Jim Adams Thanks for watching

Who knows what evil lurks in the hearts of men??? The spindle nose! ;o) O,,,

@mrpete222

8 жыл бұрын

+Opinionator52 VERY VERY good

تم بحمد الله 🖒🌳🍀

Can see it in hours...

@mrpete222

8 жыл бұрын

+Климент Алмазов thanks for watching

I misss the joker on the videos

rasinimapoi

arkansas socket wrench lol

@mrpete222

6 жыл бұрын

lol