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post #1 of 11 (permalink) Old 04-01-2009, 04:46 PM Thread Starter
 
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Default Leveling setscrews move

I have a shop made router plate in my saw mounted router table. It is 3/8" polycarbonate with 6 leveling screws. Vibration from various bits will occasionally cause one or more of the setscrews to back out or extend, resulting in a plate that is not level with the top.

What can I use to tighten the fit between the tapped hole in the plate and the set screws? I have considered Locktite, but don't know if it eats polycarbonite??????
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post #2 of 11 (permalink) Old 04-01-2009, 04:56 PM
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You can slick them with paint or primer too!

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post #3 of 11 (permalink) Old 04-01-2009, 07:04 PM
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I doubt it that Locktite will harm the plate. Try a drop somewhere on the plate.

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post #4 of 11 (permalink) Old 04-01-2009, 07:20 PM
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Another option would be to use longer set screws, and put a lock nut on the underside.

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post #5 of 11 (permalink) Old 04-01-2009, 07:41 PM
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ditto on the longer screws & use a wing nut & lock washer. that way you dont need a wrench to adjust them. i use the toilet mounting bolts.
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post #6 of 11 (permalink) Old 04-01-2009, 07:48 PM
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Just one more way

Pull out your ball peen hammer and deform the threads just a little bit (almost a flat spot)..no glue needed this will make them shelf locking so to speak..
If you have good eyes and are good with your drill press you can drill a small hole in the set screw and put a nylon screw in the hole and then cut off the nylon screw and you just made a locking type set screw, I have done that many.many times..


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post #7 of 11 (permalink) Old 04-01-2009, 11:53 PM
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You could wrap the threads with a thin layer of the teflon plumbing tape or use a dab of rubber cement kid's glue.
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post #8 of 11 (permalink) Old 04-02-2009, 01:25 AM
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Quote:
Originally Posted by Roy Bennett View Post
I have a shop made router plate in my saw mounted router table. It is 3/8" polycarbonate with 6 leveling screws. Vibration from various bits will occasionally cause one or more of the setscrews to back out or extend, resulting in a plate that is not level with the top.

What can I use to tighten the fit between the tapped hole in the plate and the set screws? I have considered Locktite, but don't know if it eats polycarbonite??????
Use Loctite Screwloc. Easily removed with a screwdriver but won't vibrate loose

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post #9 of 11 (permalink) Old 04-02-2009, 09:11 AM
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Try some of your wife's (if your married - other wise visit a drug store) clear finger nail polish. It will break loose when needed and if you want to remove it totally - use some finger nail polish remover. I have used this method for years on screws that hold scopes on rifles - and I am sure the recoil of a rifle is more than the vibration of a router.

Larry

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Last edited by Fourleftpaws; 04-02-2009 at 09:14 AM.
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post #10 of 11 (permalink) Old 04-02-2009, 02:39 PM
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It seems like once a year or so I have to repost about a product that I have found indispensable. The product is called Vibra-tite. You apply it to threads, let it dry for about 20 minutes and then assemble. The really neat thing about this product is that you can always make adjustments and after 24 hours it resets to lock in place. It is made by ND industries (formerly Nyloc Detroit) and sold world wide.(Yes Harry, even in Oz) I checked with a sales rep and it is safe to use on acrylic, phenolic and all metals.

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