Author Topic: ETS 150 backing pad worn out  (Read 4601 times)

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Offline Alex

  • Posts: 6154
Re: ETS 150 backing pad worn out
« Reply #30 on: March 03, 2019, 05:12 AM »
I just can't stand those protection pads. You take the paper off and the pad comes along for the ride and you're doing double the work for each piece of sandpaper you put on.

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Offline Sanderxpander

  • Posts: 397
Re: ETS 150 backing pad worn out
« Reply #32 on: March 03, 2019, 08:33 AM »
I just can't stand those protection pads. You take the paper off and the pad comes along for the ride and you're doing double the work for each piece of sandpaper you put on.
You mostly need them if you're using Abranet, in which case you're switching abrasives half as often anyway.

Offline Alex

  • Posts: 6154
Re: ETS 150 backing pad worn out
« Reply #33 on: March 03, 2019, 08:45 AM »
You mostly need them if you're using Abranet, in which case you're switching abrasives half as often anyway.

For abranet they make sense, though I fail to see how that stuff last longer.

As for changing paper, I mostly change them because I need a different grit, not because the paper is worn.

Offline grbmds

  • Posts: 1922
Re: ETS 150 backing pad worn out
« Reply #34 on: March 03, 2019, 01:56 PM »
It seems like, for a hobby woodworker like me, they don't make much sense since I have not ever worn out a sander pad in my entire life. Unless there is something that makes the Festool sander pads wear quicker, I doubt I would need these. Plus, it seems as if it may reduce the firmness of the sander pad. Even if the firmness reduction is only slight it would seem to at least partially defeat the purpose of having a firm pad.

I use mostly Granat and some Rubin regular discs; not the newer mesh discs anyway.

Thanks for the information though. It cleared up my confusion and convinced me that I really don't gain anything by using the Protection Pads given the work I do.
Randy

Offline atacama40

  • Posts: 27
Re: ETS 150 backing pad worn out
« Reply #35 on: March 05, 2019, 05:35 AM »
Apologies guys, getting a little confused (as a novice) ... the difference between an interface and a protect pad is???

I ordered an interface pad .... to see if it extends the life of the Jetsream 2 soft backing pad. Was thinking of ordering the replacement velcro unit I mentioned earlier in the thread from a third party (mainly for the test) but if either the interface or protection pad extend life significantly then one of these options probably better.

Being a slightly heavy handed amateur user (using mainly for getting flat wall French plaster finishes prior to painting & wood finishing prior to Osmo'ing) then I'm getting maybe 6 months usage from a backing pad. Not terrible but certainly not what some of you are getting.

Anything I can add to extend life span would be good .... think either the interface or protection is the way to go but not quite understanding the difference.

Offline atacama40

  • Posts: 27
Re: ETS 150 backing pad worn out
« Reply #36 on: March 05, 2019, 05:37 AM »
Ahh just reading back the past few posts, the answer becomes a little clearer.

Offline Sanderxpander

  • Posts: 397
Re: ETS 150 backing pad worn out
« Reply #37 on: March 05, 2019, 08:08 AM »
A protection pad is designed simply to reduce wear and tear on your normal backing pad. It is as thin as possible. An interface pad is about a centimeter of foam and its primary purpose is to make your sander follow the contours of your workpiece, effectively preventing you from sanding something flat.

An interface pad will still lengthen the lifespan of your backing pad, simply because it's in between the abrasive and the backing pad, but you won't be able to sand anything flat while using it.

Similarly, a protection pad will still soften your sanding very slightly, but not nearly enough to prevent flattening bumps or curves. I suppose it could still have an adverse effect in some specific cases but I have personally never noticed it.

Offline atacama40

  • Posts: 27
Re: ETS 150 backing pad worn out
« Reply #38 on: March 05, 2019, 08:16 AM »
A protection pad is designed simply to reduce wear and tear on your normal backing pad. It is as thin as possible. An interface pad is about a centimeter of foam and its primary purpose is to make your sander follow the contours of your workpiece, effectively preventing you from sanding something flat.

An interface pad will still lengthen the lifespan of your backing pad, simply because it's in between the abrasive and the backing pad, but you won't be able to sand anything flat while using it.

Similarly, a protection pad will still soften your sanding very slightly, but not nearly enough to prevent flattening bumps or curves. I suppose it could still have an adverse effect in some specific cases but I have personally never noticed it.

Thanks for the explanation .... very clear and understandable. I ordered (and just fitted) an interface pad .... incorrectly as it goes but seems not to be negatively affecting the job .... cleaning up Oak kitchen cabinet frames prior to Osmo Raw coat. But will definitely be ordering a Protector Pad as a more correct fit.

Many thanks for clarifying and explaining that.

Offline Sanderxpander

  • Posts: 397
Re: ETS 150 backing pad worn out
« Reply #39 on: March 05, 2019, 10:14 AM »
It'll work, it'll just relieve pressure so sanding will be a bit slower and you have to be careful that there are no actual bumps you want flattened.

Offline derekcohen

  • Posts: 338
    • In The Woodshop
Re: ETS 150 backing pad worn out
« Reply #40 on: March 05, 2019, 06:53 PM »
The backing pad does not live forever. Sanding creates heat. The foam will harden, stop flexing, and then tear. I've replaced a couple over 20 years of (lightly) using a Festo forerunner of the 150/3. I use a protection or interface pad (or whatever they are call) made by Mirka as the Abranet mesh is hard on velcro. The very little extra softness they add to the hard backing pad is quite insignificant.

Consider the backing pad a consumable. There are cheaper versions available on Aliexpress. The quality is good.

Regards from Perth

Derek