Nylocs - What are the downsides - Snowblower Forum : Snow Blower Forums
 
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post #1 of 7 Old 10-02-2015, 01:40 PM Thread Starter
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Nylocs - What are the downsides

I've often replaced the stock factory nuts on certain elements which tend to get loose due to vibration...

Cost savings aside, any reason why you hardly see them on new OPE ?
I think they are far superior for those pesky nuts that just seem to back out a bit...

Last edited by mobiledynamics; 10-02-2015 at 01:44 PM.
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post #2 of 7 Old 10-02-2015, 01:43 PM
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Originally Posted by mobiledynamics View Post
I've often replaced the stock factory nuts on certain elements which tend to get loose due to vibration...

Cost savings aside, any reason why you hardly see them on new OPE ?
I think they are far superior for those pesky buts that just seem to back out a bit...
That's probably the main reason..... Higher cost. Why spend a dollar when you can spend a quarter.

Joe

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post #3 of 7 Old 10-02-2015, 06:03 PM
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And if it gets on a larger scale...... why spend $4000?, if you can get around spending only $1000.
When it's a single or just a few items it really does not matter much, but once it goes into production you can risk it big time.
There clearly is a benefit of using a nylock nut instead of a regular nut (assurance that it is not likely to come off), but it is just not cost effective unless it is really needed there on a larger scale.

JMHO.
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post #4 of 7 Old 10-02-2015, 11:39 PM
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Regular nuts with lockwashers can be spun on by fingers and don't need force until the last turn or two. Nylocs need a wrench almost all the way. I don't know if that matters in a production environment where they'd use power tools anyway. Probably the cost is the key factor, as others have noted.
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post #5 of 7 Old 10-03-2015, 09:43 AM
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Other than cost what reason would there be ?? It's simpler to have one part than it is to have two (nut and lock washer) or three (nut, lock washer and washer). Easier to start the one nut than have to get the washer and or lock washer on there and start the nut, same effort on an assembly to run either type of nut down and in the long run MHO is that the nylock is functionally superior.
I'll usually replace stuff with stainless steel that I know I'm hanging onto. Why don't they use stainless steel on things like skids and scraper bars ... back to cost is all I can think of.

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post #6 of 7 Old 10-03-2015, 11:08 AM
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In most cases lock-nuts are a solution in search of a problem. My machines don't come apart. The biggest use is when you want to assemble something loosely such as a pivot or sliding member.

That being said the cost simply isn't justified and that's a perfectly acceptable reason to not use. I would rather see premium hardware grades that will not yield when tightened and break when loosened.

Pete

Last edited by Spectrum; 10-03-2015 at 04:01 PM.
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post #7 of 7 Old 10-03-2015, 12:15 PM
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Kiss, I have not had good luck with stainless steel locknuts to stainless fasteners, if I install them and torque them properly, it is almost guaranteed that they will not come appart without breaking or destroying the threads.
I've heard and read that there is some process that can occur that is called "thread galling" wich could make them in the worse case scenario "weld together".
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