[AT] Crankshaft Manufacture

[Cecil Bearden]

Great video!  Especially Belarus...   If I ever have one of my Belarus 
tractors apart, it will get balanced before it gets put back together...
Cecil


On 1/8/2022 5:24 PM, drgerber at bright.net wrote:
>
> Great video; educational; noticed they were using some Cincinnati 
> machines.
>
> Dave Gerber, OH
>
> *From:* AT <at-bounces at lists.antique-tractor.com> *On Behalf Of 
> *Stephen Offiler
> *Sent:* Saturday, January 8, 2022 2:46 PM
> *To:* Antique Tractor Email Discussion Group 
> <at at lists.antique-tractor.com>
> *Subject:* Re: [AT] Crankshaft Manufacture
>
> Hi Bob - sure, you're welcome.  The only part of the process I've 
> really seen is the grinding - it looks just like that in any modern 
> engine rebuilding shop. I could imagine most of the rest and not be 
> too far off.  I like the offset chuck setup used to turn the crank 
> journals.  Those lathes are pretty ancient, but they're keeping them 
> running,  and the requirement for precision comes only at the end, 
> with the grind.  That's where you see some real attention to 
> measurements (versus mostly rough measurements and go/nogo tools in 
> the earlier processes). And as Spencer noted, these guys know what 
> they're doing. Their pace and movements suggest to me they get paid by 
> the piece, not the hour.  You can see there's no OSHA in this part of 
> the world, wherever it is.  I've seen other videos on this channel 
> that are pretty clearly Pakistan (dirt floors, child labor, open 
> chemicals, no PPE...)
>
> Steve O.
>
> On Sat, Jan 8, 2022 at 2:22 PM rbrooks at hvc.rr.com 
> <mailto:rbrooks at hvc.rr.com> <rbrooks at hvc.rr.com 
> <mailto:rbrooks at hvc.rr.com>> wrote:
>
>     Steve
>
>     Thanks for posting this!!  I have seen the process in videos
>     before. But it was worth the time to see it again!!
>
>     Bob
>
>     Sent from my iPhone
>
>
>
>         On Jan 8, 2022, at 11:39 AM, Spencer Yost <spencer at rdfarms.com
>         <mailto:spencer at rdfarms.com>> wrote:
>
>         I’ll have to watch in bits and pieces but I’ve made it
>         through step two. Pretty cool and thanks for sharing it.  It’s
>         pretty clear the two guys I have watched so far have made a
>         few crankshafts before. Very efficient and methodical with
>         their movements
>
>         I decided to read through some of the comments too. Most were
>         positive and well thought out. Some added value with
>         additional information.  Of course there are a few jerks who
>         pointed out some of the things they are doing wrong.   So far
>         I haven’t seen anything but 100% effort and results
>         considering the conditions and the strong likelihood there was
>         little if any formal  training (that’s actually just a
>         supposition in my part). So IMHO the negative comments were
>         completely misguided and out of place.  Nothing real nasty but
>         clearly along the lines of “the little lights aren’t
>         twinkling“ (If you haven’t watched the movie Christmas
>         vacation then that one will fly right over your head)
>
>         Spencer Yost
>
>         Sent from my iPhone
>
>
>
>             On Jan 8, 2022, at 9:15 AM, Stephen Offiler
>             <soffiler at gmail.com <mailto:soffiler at gmail.com>> wrote:
>
>             
>
>             OK, this is a long video (40 min) and it isn't truly
>             antique tractor, but bear with me - this is pretty close
>             to how the crankshaft was made in all of our old iron. 
>             Some of the machines and fixtures might even be the very
>             same ones from many decades ago.  (For Cecil Bearden -
>             this is a Belarus crankshaft). And if you don't have 40
>             min, you can set Youtube playback speed up to 2X.  You
>             won't miss anything.
>
>             https://youtu.be/-inYCr-fV3Q
>
>             Steve O.
>
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