Table use hard on router - Router Forums
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post #1 of 24 (permalink) Old 03-14-2014, 10:43 AM Thread Starter
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Default Table use hard on router

For anyone new to table mounter router work, be aware that running a router at high or full speed under no load conditions will quickly destroy the bearings in most routers.
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post #2 of 24 (permalink) Old 03-14-2014, 11:07 AM
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Interesting point. Many, if not most of us, have been running a router in a router table for many years without bearing failure. Since many router makers promote using their routers in tables, I would think this would be cause for concern for them as well for warranty issues.

I would be curious to see how you came to this conclusion.

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post #3 of 24 (permalink) Old 03-14-2014, 12:35 PM
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Hi Art, it's great to meet you and have you as a member of our community, welcome!
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post #4 of 24 (permalink) Old 03-14-2014, 06:32 PM
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I'm curious as well, so I'm going to follow.
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post #5 of 24 (permalink) Old 03-14-2014, 07:04 PM
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Driving my car will damage its bearings and suspension, especially with the potholes this winter has left in our streets. But i'm still going to drive it.

I guess what i'm saying is that if i buy a tool to look at it and not use it for its intended purpose, i might as well not buy it and just go look at it in the store every now and then.

Now if it would only warm up enough to get back to using my tools instead of driving my car--i'd be a happy camper!!

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post #6 of 24 (permalink) Old 03-14-2014, 08:42 PM
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LOL, that is a great first post. I will put that in my trash bin. A router under no load will run until it burns up. Is this a joke? Some of us on a ROUTER FORUM have router tables. Look forward to seeing yours and all the great products you have done.
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post #7 of 24 (permalink) Old 03-14-2014, 10:35 PM Thread Starter
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Thanks for your reply.

I have to admit that all the router bearing failures I've experienced were before the days of dial in speed control. It always happened when there were extended no load periods between work pieces. I have had problems with bearings on Milwaukee, Porter cable, Bosch and Craftsman routers during my years in the cabinet business.
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post #8 of 24 (permalink) Old 03-15-2014, 01:57 AM
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Welcome to the forum, Art.

Thanks for filling in a profile..

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I don't profess to know everything, and I may learn something new.

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post #9 of 24 (permalink) Old 03-15-2014, 07:39 AM
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Default Bearing Burn Out

Welcome to the forum Art. There is certainly a wealth of knowledge and experience here.

I too am curious about your post. My table mounted router has a soft start feature which reduces the shock on the unit during start up whereas my table saw with a hard start almost jumps when I turn it on. However, I start the router, it ramps up to full speed, I work with the piece, I turn it off. I really don't understand how this can cause bearing burn out. When I use my plunge router it follows the same process. The only thing I've noticed with my fixed router is that some sawdust can collect below the collet but I clean that when I change bits.
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post #10 of 24 (permalink) Old 03-15-2014, 10:36 AM
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I am also confused. If running a router under no-load conditions for extended periods of time ruins the bearings - why does a ROUTER TABLE play a factor? Unless there's some secret tapered bearing lubricant recipient how on earth would the router's bearing feel a difference? Down here in Georgia we experience this phenomenon called centrifugal force and it can wreak havoc on gravitationally-influenced objects!

We have a kid in the neighborhood with a 4- wheeler, it is evidently missing a muffler. Based on clear evidence he is very impressed with the sound it makes while sitting still, but running at very high RPM's - we are hopefully awaiting the time when his bearings fail. Maybe I'll try to get him to mount it in a ROUTER TABLE!

Otis Guillebeau from Auburn, Georgia (the centroid of centrifugal force)


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