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Thread: Festool Sander Vibration
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28th December 2009, 05:49 AM #1SENIOR MEMBER
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Festool Sander Vibration
I currently have Rotex 150 and ETS-125 sanders. The Rotex is awesome as we all know, but I also wanted a light weight single handed sander for when the need arises, hence the ETS-125.
The problem is as I move the ETS-125 over the timber surface it sometimes (not very often) vibrates and skips a bit on the timber. The machine itself is smooth to operate but I never had this problem with my Bosch 125mm ROS, nor with the Rotex.
I thought perhaps the sand paper may be sticking to the surface occasionally which could induce this kind of vibration/motion. Has anyone experienced this before or have any idea if this is a problem?
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28th December 2009, 09:09 AM #2Senior Member
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Your not alone, other have had this problem before too. The small Festool sanders work better a the 6-8 hour break-in period. During this time the motor's brushes seat (wear in to fit the armature). Until the brushes are fully seated the motor won't run at it's peak performance and this sometimes causes the sander to be a little jumpy. After you've used the sander for a few hours you should see some improved performance.
I know some guys allow a new Festool sander to run (without any load) for a few hours to break it in.
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28th December 2009, 09:19 AM #3SENIOR MEMBER
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29th December 2009, 08:31 AM #4
In addition to what Brice said, if you are running the sander with Festool dust collection, be sure to turn down the suction to about 1/2. Those small sanders have been known to "stick" to the wood due to the suction through the paper.
Cheers,
Bob
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29th December 2009, 09:08 AM #5
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29th December 2009, 09:54 AM #6SENIOR MEMBER
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Thanks guys. I have experimented with the suction and yes it did affect the ease of sanding but the vibration still jumps in intermittently.
I think (hope?) that the issue is the brush/armature break-in period and I may just leave it on for a bit to help the process along.
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5th January 2010, 01:48 AM #7Senior Member
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5th January 2010, 03:21 AM #8SENIOR MEMBER
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It's true that the Rotex may be the only sander one would ever need. But I do like the feel of a "palm" ROS for some finer points and certain jobs - such as sanding the front door. Having said that I seem to be reaching for the Rotex just about every time because it is so damn quicker!
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5th January 2010, 02:05 PM #9SENIOR MEMBER
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you would hope for the money they would make the tool work right out of the box ! my festool sander has always over heated and have never been very happy with it , have tried to get it fixed ,and still unhappy. hope yours is fixed .but would ask them to get it working properly .as it should be . cheers Bob
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6th January 2010, 01:06 AM #10SENIOR MEMBER
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I have been running it fair bit an the vibration is getting much better- looks like it is getting run in as suggested earlier on this thread. The big surprise for me was that the sander was not as smooth as my Bosch 125 mm ROS, although now it is comparable.
What model do you have?
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6th January 2010, 07:35 AM #11
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7th January 2010, 12:35 PM #12
I came across a fix for the vibration problem on a US site
This seems to be a Festool product - are they available here?? Looks like an excellent way to get some final use out of worn sanding discs for hand-sanding. Knowing how well Festool discs last, even a worn one would be good for quite a bit of hand sanding.....
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7th January 2010, 08:32 PM #13SENIOR MEMBER
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7th January 2010, 08:57 PM #14
What 'family' of Festool papers are you using? I use Brilliant 2 in grits from 120 up, and get good mileage out of it on brushbox. Don't use much jarrah here, but the brushbox certainly makes short work of my jointer knives
I only have a midi vac, but even that needs to be turned down a bit to stop the ETS150/3 grabbing.
A cork block would work for hand sanding with old discs, but I note that the Festool block thing even has velcro up the sides to secure the pad....... They've thought of everything !
Mind you, it probably costs........
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7th January 2010, 11:15 PM #15SENIOR MEMBER
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I use the Brilliant range 180 and higher and Rubin 80 & 120.
I recently bought a heap of abrasives and I didn't realise at the time of ordering that they were the new "multi-jetstream" discs. They work fine with my original sanding pad and I guess I will have to upgrade at some point.
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