Brazing Knuckles Part 3

[@caemaridwn]

Great job nice to see skilled people still out there who can repair things in this throw away world

[@btjd001]

One of my all time favorite machinist videos. I have watched this video several times.

[@Jim911Bo]

Keith Great job very nice indeed. As always I learned a ton of info. Thanks for setting up your cam and giving us guys a chance to watch and learn. Your ending remarks are important as they tell us how you felt the job went and what things to watch out for. I am sure your customer was very happy.

[@JohnHarmon]

I have to say that my 1 year old doesn't like sitting on my lap while in front of the computer, but as long as I have one of your videos on he sits there glued to the screen and happy to be there. Thanks for all of the vids, very informative and fun to watch.

[@phatrides222000]

man, this is really a top notch machinist. yea, the "holidays" dont sit well with me, but i know nothing about this and it is probably normal. He just seems to go above and beyond.

[@furbarator]

Keith, you do amazing work, I always learn something new from watching your vid's. I thank you for taking the time to make and share them. Keep the great stuff coming.

[@guubagaaba8391]

this is probably the 10th time i've watched this series, (as all of your videos),i never get tired of perfection !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! damn man ....unbelieveable quality !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

[@KeithFenner]

OK! now I'm happy with this vid...LOL... Had a double lap on one of the end clips and the second loading stalled out for some reason, sorry for the delay... Keith

[@KeithFenner]

Thanks for the comment, lots of times the build up is fully removed from the brazed bore because the bore shrunk up that extreem...

[@KeithFenner]

I think it worked because it logged in on your page and may take a bit to register on the video page later on! no worries, I appreciate the thought and the comments! ;{)---

[@ww321]

Great repair! I read where the railroad would repair cylinders for steam engines that were wore out by heating and cooling from the inside several times. They could reduce the diameter enough to rebore and put back in service.

[@wolfgangdeletter3736]

Real good job,thanks for this Video. Greatings from Germany Wolfgang

[@KeithFenner]

You could but the alignment of the pivot was automatically created in this set up and we found a happy medium speed and feed to minimize the chatter. Thanks for the comment. ;{)-----

[@guubagaaba8391]

i love that little sanding tool.....you should market it !!!!!!

[@KeithFenner]

The closest part was in Texas, by his means of search, two days prior to making a buying choice and sold before he could make up his mind. Any how you’re pricing is close maybe ten dollars per hour higher, I had reduced my when times became tuff, to give a break to customers. When you’re running near antiques, parts aren’t always on the shelf, and getting your part fixed in time for a new contact priceless. ;{)-----

[@KeithFenner]

@tfp777 They are designed to run taper roller bearings, typical cone and cup with some kind of seal, that holds greese, if you ever put any in... LOL...

[@MrMadazhell]

very impressive braze repair.

[@rampsidejoe9871]

Nice job hard to find someone with enough knowledge these days joe

[@not2fast4u2c]

Man What a job I watched all 3 videos and What machines in the shop to see I braze bicycle frames I only use bare rod and Peterson Blue Flux Geat Video !!!

[@lanpartypro]

amazing work! great job!

[@Trunkneck]

Thanks for the video man, enjoyed them and picked a few things up.

[@romandybala]

I appreciate the time you put in on your videos. Very informative. Nowadays you couldn't go into a shop to watch this type of work due to O.H.&S. laws but you take us in there. Could you have just machined out the bore and put in a sleeve?

[@KeithFenner]

Exact temp I’ll have to make it a point to check as I do the next brazing, I really sense the temp and how fast it can go from the steady heat to working temp right at the work zone. I’ll guess though around 900 or a bit more, degrees.

[@flybikesdiablo3]

Nice job!! better than new!

[@KeithFenner]

@tfp777 The four bolt flange that bolts to the four holes I cleaned out has a shoulder that sticks down into the bore for support on the back side of race...

[@therealspixycat]

you could mount a ring on top to allow use of the steady rest. It looks again very nice Keith

[@KeithFenner]

Yes, in fact the covering in earth or soil has been done for years, originally and the best mineral to use is lime and today you can still buy powered lime and build a steel box to keep it dry and clean between uses. It is actually better or more efficient than blanketing. ;{)---

[@KeithFenner]

Yes, as stated in the past comments, the filler and the cast are very similar except color. ;{)-----

[@SlowEarl1]

Great job . 6 hours labor on that job is a good deal for that guy to get his loader back making some money.

[@bigredc222]

More great video's. I hit "like" on these 3 video's, but the "like" number doesn't change.

[@carlocolsen553]

Amazing good kraftmanship

[@Kalkaekie]

Nice job !

[@MrToolsofrenewal]

That's amazing. I had no idea you could swing something like that on a lathe. I would have guessed the horizontal mill was the way to go. Can you tell us why the mill wasn't the right tool for this?

[@KeithFenner]

Thanks for the Kudo's, ya you don't need the high heat flux, in your case...

[@Kalkaekie]

Good job !

[@NOBOX7]

hey kieth do you ever anneal your work on parts that operate under high load after you have applied extensive welding or brazing

[@ColchesterBridgeport]

218 Kef791 videos to date and this is my favourite repair. - Closely followed by the Oshkosh axle.

[@KeithFenner]

In most cases I practice a post heating to lower localized area from working temp to blend into a full uniform part temperature and then blanket tight to create about a 6 to 9 hour cool down period. ;{)---

[@FixxxerKH202]

Nice work man. I wish I was in a shop where I could do stuff like this all day rather than mindless production work. I hope you have enough work to keep food on the table until you are ready to retire. I've seen too many talented guys like yourself fall victim to the economy and it's a shame.

[@KeithFenner]

Not with this case, It needed the bond of replacement material, to mantain its strength...

[@44magsw]

Great repair! What temp do you preheat to before you start brazing? Thanks for the helpful vids!

[@tfp777]

@KEF791 Thank you, and again nice job! :-)

[@jyrostng]

respects to you, good job!

[@clintonandrews1538]

Hey Keith, Did I miss it? Did you tell us what the brazing rod was and why you chose to use it for this application?

[@billdlv]

Wow only 6 hours! I got your reply on the comment thing yeah I agree with you on this one comments for each part seems better. On the 2 part one I did I left the comments for both parts because I was not sure I would get to part 2. It looks like if that part was a little bigger it would not have fit in your lathe.

[@tfp777]

Nice job, it looks like that is a tapered bearing race. What kind of bearing goes in their? Thanks for the video. :-)

[@KeithFenner]

No, you can add weight to the offset the imbalance, wasn't much need to spin the part any faster. ;{)-----

[@KeithFenner]

I'll have to get the quick pay button set up $2.00 an hour for sitting...LOL...

[@JOHNPHUFNAGEL]

Great videos I have been a steel fabricator for 21 years and I have always had a interest in machining I am 39 now do you think as a well established machinist it would be wise to do a career change?

[@donfoster1832]

Hi Keith. When you bill out, do you include the cost of material used in building jigs? I'm not too sharp on the business side of things and am just wondering.

[@KeithFenner]

Its part of the job, you got to include it into the bill one way or another. ;{)------

[@bigredc222]

I've only ever looked on my page a couple times, I forget it's even there. I didn't realize every time you hit "like" that video goes on my page. I never bothered much with the likes and dislikes in the past. I just started trying to remember to do that a week or so ago. The casting shrinking from heating them is cool, I never hear about that. Did you ever hear about companies in the past, burying their new casting in the dirt so they cool down slower?

[@KeithFenner]

If you can blend them together you may be better off than trying to fully change from one to the other. ;{)-----

[@metallmaster1]

Great job. What is price for this work?

[@mattkguns]

how does the strength of the brazed on brass compare to that of the original cast materials? i wondered this also in your video where you repair the turbo bolt hole. is brass pretty similar in strength to cast iron?

[@tfp777]

@KEF791 Yes I have, but the race always came up against a shoulder, can't quite understand what will keep the race in place :-)

[@foxdmulder]

Thumbs up for the human league in the background :)

[@wakefieldyorkshire]

What if some form of ballast was bolted to the opposite end of the casting causing the imbalance, would it help, or just put too much strain on the machine.

[@nraynaud]

couldn't you screw something round in the holes around the Knuckle and hold it by the outside in the lathe to limit the chatter? (sorry, english is my third language)

[@KeithFenner]

That was a couple three I'd say! ;{)---

[@MrMadazhell]

how many ponds of brass did you melt in that hole?

[@ahz123]

The joke's on the next machinist when he thinks that brass is a bushing and tried to press it out.

[@localcrew]

Maybe now the owner will throw some grease in there once every few years or something. I know -- I'm a dreamer.

[@soco13466]

It starts out ugly, but boy is it pretty, when finished.

[@mattsex1000]

good work man