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Author Topic: Guide rail problem - not laying flat  (Read 1746 times)

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Offline elekes.adam

  • Posts: 15
Guide rail problem - not laying flat
« on: October 10, 2020, 09:27 AM »
Has anyone ever experienced a problem like this?


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Offline Ilovemyras115

  • Posts: 14
Re: Guide rail problem - not laying flat
« Reply #1 on: October 11, 2020, 02:30 PM »
both mine do this, I wondered if it was from them getting cooked in the roof of my van. I had a long shelf for trims and things up high that these lived on. thats the only thing I could think of.

I'd like to know the answer!

Offline mkasdin

  • Posts: 474
Re: Guide rail problem - not laying flat
« Reply #2 on: October 11, 2020, 11:59 PM »
Has anyone ever experienced a problem like this?


what happens when they are clamped on both sides? Still whacked?

Offline elekes.adam

  • Posts: 15
Re: Guide rail problem - not laying flat
« Reply #3 on: October 12, 2020, 02:16 AM »
both mine do this, I wondered if it was from them getting cooked in the roof of my van. I had a long shelf for trims and things up high that these lived on. thats the only thing I could think of.

I bought two of the 1400 rails for the TS55.
These are brand new, they were in the original packaging a few days ago.
Both are crooked this way.

I also bought an LR32 1400 rail which is perfectly flat on the surface.

Offline elekes.adam

  • Posts: 15
Re: Guide rail problem - not laying flat
« Reply #4 on: October 12, 2020, 02:19 AM »
what happens when they are clamped on both sides? Still whacked?

If I clamp the rail, it lays on the two anti-slip pads because the clamping pressure is between them. This way the splinter-guard is elevated from the workpiece.

Offline Roseland

  • Posts: 687
Re: Guide rail problem - not laying flat
« Reply #5 on: October 12, 2020, 04:32 AM »
Mine are similar when resting, but the weight of the saw puts the splinter guard down on the surface of the wood.

Andrew
TS55, MFT/3, OF1400, OF1010, CT26, RS100, ETS125, CXS, MFS400, DF-500, Zobos.

Offline elekes.adam

  • Posts: 15
Re: Guide rail problem - not laying flat
« Reply #6 on: October 16, 2020, 07:17 AM »
Customer service replaced both crooked guide rails without hesitation and any further questions.
The new ones are laying perfectly flat on the workpiece.  [smile]

Offline jobsworth

  • Posts: 6610
  • Festool Baby.....
Re: Guide rail problem - not laying flat
« Reply #7 on: November 02, 2020, 10:42 AM »
What Roseland said   [big grin]

Offline jamex101

  • Posts: 2
Re: Guide rail problem - not laying flat
« Reply #8 on: December 29, 2020, 01:49 AM »
Interesting. I also have this problem with a new rail. I wonder if there was a bad batch?

Offline mino

  • Posts: 222
Re: Guide rail problem - not laying flat
« Reply #9 on: December 29, 2020, 05:32 AM »
+1 for roseland

The rails are designed to be this way - when there is no weight the anti-slip pads are able to "hold" the rail a bit in the air.

The idea is that for the anti slip pads to be - well, anti-slip - they must get some pressure to the surface so have to protrude a bit. Once a saw is put in place with a bit of pressure, the the pad does not hold the weight as it is on the rail protrusions on the bottom (next to the anti-slip pad) and the splinter guard edge as the two contact points which create the proper angle with the saw blade.
That is the only way one can have anti-slip (needs pressure on the rubber) AND accurate/repeatable angle (courtesy of the non-squeezable hard surfaces of the Alu protrusion and splinter guard).


I have played with Makita and other no-name rails for our community workshop, and this design detail is what makes the Festool rails superior in sticking to the material - so clamps are not needed 99% of the time.

/Besides the fact they do not come bent from factory (looking at you Makita!)./

I wonder if there was a bad batch?
It can be, but one needs to be careful with distinguishing how the rail "lays" and what is the actual shape of the extrusion.

All 3 of my rails are a "bit" of in air, when just placed on material (think 0.2mm / 0.001"), when clamped (normal pressure), they get even more "in the air", up to 1mm or so. When actually used by a saw/router etc. the splinter guard gets to still be the pressure point and I get perfect cuts even from lamino.

To make a true assessment one would need a detailed measurement of the unloaded extrusion, without any effect of clamps, pads or splinter guard.

Either way, quality service is part of the Festool price - so you did the best thing you could by getting them replaced when not satisfied.
;)
« Last Edit: December 29, 2020, 05:50 AM by mino »
AGC 18(@AGC 125 flange), BHC 18, C 12, CTM 36, DRC 18/4, PSC 420, RS 200, TSC 55
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Offline Crazyraceguy

  • Posts: 226
Re: Guide rail problem - not laying flat
« Reply #10 on: December 29, 2020, 08:36 AM »
That can also happen if the rail is significantly longer that the piece being cut. The weight of the rail overhanging can bow up the middle. Of course the weight of the saw and pushing it down will push this down, but it doesn't help with the accurate placement or keeping the anti-slip strips in contact at all times. I always use the shortest rail possible for just this reason.
CSX
DF500 + assortment set
PS420 + Base kit
OF1010
OF1400
MFK700
TS55, FS1080, FS1400 holey, FS1900, FS3000
CT26E + Workshop cleaning set
RO90
RO125
ETS EC 125
RAS115
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Offline jamex101

  • Posts: 2
Re: Guide rail problem - not laying flat
« Reply #11 on: January 11, 2021, 11:22 PM »
To close out my comment, and for anyone else who comes across this - I had a chat with the rep in my area who confirmed it should sit flat when in use, and the shop switched mine out for a brand new one.

This one's the same as everyone else has described: normally sits on the non-slip strips without the saw (splinter guard slightly in the air) and the weight of the saw pulls the splinter guard flush with the workpiece when installed.

Offline mkasdin

  • Posts: 474
Re: Guide rail problem - not laying flat
« Reply #12 on: January 12, 2021, 12:25 AM »
Overtime the anti skid rubber flattens out so it’s less of an issue. you do need to be mindful when moving the saw on the rail flat during a cut, so you don’t have micro adjustments and a waffley edge that’s not dead flat.