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Anti backlash nuts 

CAPTO
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Building an anti backlash nut is simple and effective. The project is a modification of a system already used on very precise professional machines.
You must be careful in keeping the faces of nuts parallel to themselves and perpendicular to the axis of the threaded hole.
The critical step is to assemble the three pieces all together and make holes simultaneously.
You also need to keep as lowest as possible the gap between the pins and holes.
Good job.

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9 апр 2017

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Комментарии : 71   
@ctprjcstv3998
@ctprjcstv3998 3 года назад
I can watch this video thousands of times!! Nice
@ActiveAtom
@ActiveAtom 5 лет назад
Great addition for an acme machine screw, it even looks nice brass aluminum and steel 3 great materials went into the making and the indicator after install does not lie nice makers fix.
@capto8784
@capto8784 5 лет назад
Thank you ; )
@leerogers6423
@leerogers6423 7 лет назад
Very neat work . Its ironic that you use this for the most up to date cnc equipment and that I am looking for a way to restore lathes that are over 100 years old. Aparticular advantage is that it can be made to fit discreetly on an old machine . Simple and effective . You said it and it should be the mantra for all design.
@capto8784
@capto8784 7 лет назад
I really thank you! I have just adapted a project i had the chance to discover at work. I'm a operator on grinding machine (Studer etc)
@ericjohnston6035
@ericjohnston6035 3 года назад
Wouldent work on a lathe beacuse it would have to go to coil bind before it started cutting putting any accuracy out the window
@750triton
@750triton 2 года назад
If you put some long set screws between the guide rods, you can adjust it by compressing the spring/s. This will remove the potential to wear the components. There must be some free play, minute backlash is necessary or parts will wear prematurely. You want oil to get between the threads, not squeezing the oil out
@nourredinematoub6459
@nourredinematoub6459 Год назад
c'est une bonne idée, mais le réglage sera délicat.
@hikolanikola8775
@hikolanikola8775 7 месяцев назад
this doesnt work... when spring compresses you are back to back lash, there is alternative with screwsh with fixed tension witch actually works, but this doesnt work.
@rogerdeane3608
@rogerdeane3608 3 года назад
Excellent remedy to back lash, thank you.
@Autocentrante
@Autocentrante 3 года назад
Thank you!😉
@AdamPNelson
@AdamPNelson Год назад
nice. very educational. Thanks!
@tbrwy
@tbrwy Месяц назад
what do you call the silver piece that are screwed in first? collared screw?
@ramonching7772
@ramonching7772 2 года назад
FWIW... I believe the anti backlash nut should be a hard opposing flank to flank contact. Not spring loaded. A stiff spring is similar but becomes very bulky. Spring loaded nut might be the only way if the lead screw's lead variance is large. But then the screw should be junked in the first place.
@worthdoss8043
@worthdoss8043 6 лет назад
I hate to be a wet rag but now you have spring loaded backlash. You are also causing constant pressure on the nuts causing them to wear faster. You need backlash/space to avoid this. Nice work though.
@capto8784
@capto8784 6 лет назад
But is essential a constant pressure on the nuts! if I eliminate that I introduce a backlash! Thank you!
@gordonjones1516
@gordonjones1516 6 лет назад
Using either Delrin or Turcite X is a common way to alleviate the problem of introducing wear through the backlash nut.
@vnderrr
@vnderrr 2 года назад
yeah I think if there is any real pressure on the cutter then the spring will just yield the same backlash. ineffective
@ScrapYardDog64
@ScrapYardDog64 4 года назад
Very good, thanks you gave me just what I needed..
@allaboutengines5125
@allaboutengines5125 3 года назад
it is the most useful video on the internet today... thankyou
@mechmania8450
@mechmania8450 4 года назад
Ok works with no resistance to movement but if there is resistance ie if you are milling the springs would be compressed.
@EngineTuning
@EngineTuning 3 года назад
... and this would create resonance with the spring rebounding, resulting in chatter.
@onemischiefmaker7032
@onemischiefmaker7032 5 месяцев назад
Awesome!!!
@umargul5644
@umargul5644 4 года назад
Well done sir
@cnccnc2903
@cnccnc2903 6 лет назад
Really awesome !
@capto8784
@capto8784 6 лет назад
Thank you!
@michaelmarrs2322
@michaelmarrs2322 7 лет назад
Very Nice Work!
@capto8784
@capto8784 7 лет назад
Thank you!
@capto8784
@capto8784 7 лет назад
Thank you
@vitterre9
@vitterre9 3 года назад
I initially tried the exact same thing for my hobby cnc but ended up doing some slight modifications. If your axis travel is really really short then this method is fine. For real cnc work though, meaning long axis travels back and forth, I noticed that the nut tends to decompress the spring so much that it eventually comes loose. I might be wrong but this is my experience so far. My solution was to design a spring compression limiter by confining the relative movement of the anti backlash nut to just a few millimeters. How I did it is rather difficult to explain in a comment, but after reading what I wrote it should be easy to get the idea of a possibile solution. Goodbye
@markobog800
@markobog800 3 года назад
Or just to use the ordinary machine screw with head to limit the second nut fall out
@djberg3483
@djberg3483 7 лет назад
thats slick, nice work.
@capto8784
@capto8784 7 лет назад
I'm happy you liked it! Thank you!
@danvandertorre6349
@danvandertorre6349 5 лет назад
very good
@capto8784
@capto8784 5 лет назад
Thank you!
@donepearce
@donepearce Год назад
Anti-backlash using springs doesn't work. Or rather it works when the axis is unloaded. Any machine will exert forces that will overcome the spring and defeat the anti-backlash effect.
@josepablolopezaguado6191
@josepablolopezaguado6191 6 лет назад
Great work!
@capto8784
@capto8784 6 лет назад
Many thanks!
@davemwangi05
@davemwangi05 5 лет назад
@@capto8784 you made it yourself?
@capto8784
@capto8784 5 лет назад
Yes! ;-)
@capto8784
@capto8784 5 лет назад
yes ;-)
@danielwang977
@danielwang977 6 лет назад
Does this prevent backlash by converting the displacement into potential energy via the spring, such that no energy is lost? I'm kind of confused, can someone explain please?
@capto8784
@capto8784 6 лет назад
The pressure of the spring on the second nut continuously eliminates the natural gap that exists between the screw and the nut. Sorry but it's difficult for me to explain in English concept so difficult.
@nelunicoara4483
@nelunicoara4483 5 лет назад
How to choose the spring(s) to eliminate possible sliding along pins at maximum presure ?
@zangbivo4293
@zangbivo4293 7 лет назад
great!
@mirager3873
@mirager3873 7 лет назад
nice work
@capto8784
@capto8784 7 лет назад
Thank you! :-)
@dollywarrior
@dollywarrior 6 лет назад
good job bro
@capto8784
@capto8784 6 лет назад
thank you! ;-)
@user-hv3lh7jq2x
@user-hv3lh7jq2x 6 лет назад
nice
@xXJosafat07Xx
@xXJosafat07Xx 6 лет назад
is that just a regular hardware store screw?
@capto8784
@capto8784 6 лет назад
It is a standard screw!
@jonathangofast559
@jonathangofast559 5 лет назад
Non galvanized
@AlbertAuWorkshop
@AlbertAuWorkshop 2 года назад
Anti backlash can not use spring, The blade also vibrates.
@Lesfac
@Lesfac Год назад
My gut tells me this will work unless some load overcomes the spring pressure.
@JR-be4du
@JR-be4du Год назад
✨✨✨👍
@TheJavaSync
@TheJavaSync 5 лет назад
The right nut, it is not locked?
@capto8784
@capto8784 5 лет назад
exact!
@stephanbutler2095
@stephanbutler2095 7 лет назад
gracie tanto !! geniale
@capto8784
@capto8784 7 лет назад
De nada ;-) Grazie!
@josesalanis4448
@josesalanis4448 3 года назад
😎👏👏👏👏👏 bravo
@alexandercastilloaliaga6054
@alexandercastilloaliaga6054 7 лет назад
ok sistem
@nope638
@nope638 2 года назад
Music..ugh
@frankborghi640
@frankborghi640 2 года назад
Funziona fino al carico delle molle, poi ...
@capto8784
@capto8784 2 года назад
Mah, io ho copiato un sistema che utilizza un nostro cliente su attrezzature professionali. Su quello che serviva a me ha fatto il suo lavoro. Poi test impegnativi non ne ho fatti
@fb4344
@fb4344 5 лет назад
Please rem ove the annoying music!
@capto8784
@capto8784 5 лет назад
Please turn off the volume ;-)
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