Author Topic: Festool FS Guide Rail vs Mafell F Guide Rail  (Read 15136 times)

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Offline Cheese

  • Posts: 8903
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #60 on: August 07, 2020, 10:33 PM »
Cheese, so.. now you say that I (we) need to buy 2-two double squares.. cause they work so well in pairs  [big grin]. Pocket friendly parallel guides they are!
How do you like the Mafell clamps? I see Bessey are now offering them with their name on them, I like the features..

Ya that's funny Festita...the original thread was "Why do you need a Starrett double square?" and here, less than a week later, we've since morphed into why we need 2 Starrett double squares.  [big grin]

This method is real slick and will provide uniform cut widths.

I rather liken it to the original TSO GRS-16 guide rail square who's form was reminiscent of a Starrett combination square. That works from one edge only...then later TSO came out with their GRS-16 PE which resembles a Starrett double square. That works from both edges.

The new Mafell clamps are really nice...better than I thought they'd be. I originally contacted Mafell and asked to purchase the original metal screw version because they were metal and just seemed to be more robust than the newer glass reinforced nylon clamps. The metal screw clamps were basically obsoleted and I now know the reason why. These are a lot nicer.

The only thing to note is that if you place the Mafell rail on the pencil line and then tighten the new clamps, they will move off the pencil line by about .25-.50 mm.

Thinking about it, maybe that's the reason Mafell ditched the screw clamp version. I would expect the screw clamp version to move more than the latest iteration because you're tightening the screw and the screw pad is moving around on the surface of the wood. Any movement of the pad would produce a movement of the rail.

The new clamps tighten by moving vertically so to minimize any rail movement.



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Offline Cheese

  • Posts: 8903
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #61 on: August 07, 2020, 10:48 PM »
Recently i bought the Mafell Aerofix and am loving it.  Takes a little bit of getting used to it.  Like once you position the rail, have to start the saw so the vacuum kicks in providing the required clamping force giving it an additional second or so before you engage. But the joy of not using clamps makes the work flow go quick. Also the additional unit that's shipped let's you use it from the top allowing you to position the rail at floor level. 

So, I'm curious if once the Mafell rail is placed on the pencil line if the rail moves with the Aerofix?  I suspect not but I am curious.

The Mafell clamps will move the rail a smidgen.

Offline ScotF

  • Posts: 2916
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #62 on: August 08, 2020, 01:11 AM »
I have thought about the Mafell quick clamps. I have the Bosch version and they work well. The Mafell are spendy, but do more..

Offline Cheese

  • Posts: 8903
Re: Festool FS Guide Rail vs Mafell F Guide Rail for Narrow Stock
« Reply #63 on: August 08, 2020, 10:24 AM »
Here's something that's difficult to do using a Festool guide rail because the clamp slot is 5" away from the splinter strip. On the Mafell guide rail that clamp slot to splinter strip distance is less than 1".

I was cutting up some wide birds eye maple boards into strips 1 1/2" wide and in this case I was left with a piece that was 1 19/32" wide. So I needed to clean up the edge and remove 3/32". Pretty simple to do with the Mafell rail. [big grin]








Offline Michael Kellough

  • Posts: 5288
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #64 on: August 08, 2020, 10:45 AM »
@Cheese your drawer fronts are only 1-1/2” tall? Are you making flat files?

Offline Cheese

  • Posts: 8903
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #65 on: August 08, 2020, 10:52 AM »
@Cheese your drawer fronts are only 1-1/2” tall? Are you making flat files?

LOL...ya with the 1/4" bottom ply and its dado there isn't a lot of space available... [big grin]

Offline FestitaMakool

  • Posts: 1014
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #66 on: August 08, 2020, 08:26 PM »
@Cheese your drawer fronts are only 1-1/2” tall? Are you making flat files?

LOL...ya with the 1/4" bottom ply and its dado there isn't a lot of space available... [big grin]

For art, large photo prints and sketches of the coming projects I presume  [wink]

Thanks for the insight of the clamps, but I suppose if not careful the FT style will also shift the rail sideways. The potential shift of the Mafell I can see. You’ll need to have the clamp set to 90° to the rail below before engaging pressure due to the high rise of the lower foot? I did also notice that they are prone to slightly lift the center of the rail, since they attach at the edge of the workpiece.
“The Stig” Yes, it is true, at least some part of it..
“If you have an old Land Rover and a fit wife, you’re most likely always busy”

Offline Cheese

  • Posts: 8903
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #67 on: August 09, 2020, 12:28 AM »
For art, large photo prints and sketches of the coming projects I presume  [wink]

Thanks for the insight of the clamps, but I suppose if not careful the FT style will also shift the rail sideways. The potential shift of the Mafell I can see. You’ll need to have the clamp set to 90° to the rail below before engaging pressure due to the high rise of the lower foot? I did also notice that they are prone to slightly lift the center of the rail, since they attach at the edge of the workpiece.

Well @FestitaMakool you and @Michael Kellough are very good at hedging your bets...a wink and a nod, quite a pair to draw to.  [big grin] [big grin]

I knew Michael was going to be all over me on this posting but what the hey...I'll give him some more fodder tomorrow.  [poke]

When it comes to the rail shifting, you don't know what you don't know...and I'm still trying to understand the implications. Some of the implications are indeed deep in the weeds if you're used to machining metal versus wood. Wood is so much more forgiving.  [smile]

Because the Festool splinter strips become so "beavered up" through use, it's difficult or impossible to reliably place them on a pencil line and say they are "exactly" on the line. My experience has been that they are usually close, that being within 1/64" to 1/32".

The Mafell splinter strip on the other hand, because of the material it's made from, is extremely smooth and thus it's really simple to place it on the pencil line.

If accuracy in aligning a pencil line with a splinter strip is your mission in life  [smile]  then by all means the Mafell splinter strips complete that task in spades. It's dead nuts...

Offline Michael Kellough

  • Posts: 5288
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #68 on: August 09, 2020, 12:43 AM »
Looking forward to Sunday’s posts, reply #65 was less than satisfactory  [poke]

The congruence of the splinter guard to the kerf was what drew me to Festool in the first place. But we all know that relationship degrades, sometime rapidly. I learned to move the splinter guard out with the aid of a heat gun but I haven’t done that in more than a year to any of my rails.

Sometimes I stick a Post-It note to the bottom of the rail to get a fresh indication of where the kerf is but often I just use a steel rule butted against the aluminum rail to register the appropriate increment to the mark. A metric rule usually works best.

Offline Cheese

  • Posts: 8903
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #69 on: September 26, 2020, 12:10 PM »
Looking forward to Sunday’s posts, reply #65 was less than satisfactory  [poke]

The congruence of the splinter guard to the kerf was what drew me to Festool in the first place. But we all know that relationship degrades, sometime rapidly. I learned to move the splinter guard out with the aid of a heat gun but I haven’t done that in more than a year to any of my rails.

Sometimes I stick a Post-It note to the bottom of the rail to get a fresh indication of where the kerf is but often I just use a steel rule butted against the aluminum rail to register the appropriate increment to the mark. A metric rule usually works best.

Well @Michael Kellough  this doesn't answer your first issue but it does address the 2nd & 3rd issue...in a round-about fashion.  [big grin]

Recently, I've been using both the Festool rails & the Mafell rails with the MT 55. When using the Festool rail it's been very difficult to decide which part of the splinter strip I should align with the pencil mark because it's so chewed up. I should note that I changed the splinter strips on all the Festool rails last fall, so this shows the amount of damage over 1 year with only intermittent use.




When I place a straight edge along the strip this is what it looks like. Dimensionally that's about a 1/32" gap.




Here's what the Mafell looks like.




Zooming out a bit this is the view. Note that there is a gap of various widths starting at the 2 3/4" mark and extending to the 10 13/16" mark. This makes aligning the splinter strip with a pencil mark difficult. The semi-solution would be to mark the splinter strip in 2 places and then use those marks to align to the pencil line.




In comparison here's the Mafell rail.




This issue started after I ripped several long pieces of maple to the same width using both brands of rails and noticed a difference in width between the pieces. The Mafell rails produced very uniform widths while the Festool rails produced scattered results. Some of the pieces from the Festool rails even had a different width on each end of the board. [mad]

I don't think the source of the problem is caused by the saws (MT 55, TSC 55 & HKC 55), by the manufacturer of the rails or by the fit of the saws on the rails. I think it's the material that Festool chose to use as a splinter strip is the issue. I believe it's HDPE and it tends to be on the brittle side.

It would be interesting to attach a material similar to what Mafell uses, to the Festool rail, cut the splinter strip and then compare. 
« Last Edit: September 28, 2020, 09:58 AM by Cheese »

Offline heidtwd

  • Posts: 14
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #70 on: September 26, 2020, 12:36 PM »
@Cheese

Now that you have the rail, you should get the KSS40 to go with it.  It’s my most used saw.

+ 1

Offline Michael Kellough

  • Posts: 5288
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #71 on: September 26, 2020, 01:26 PM »
@Cheese said, “ I don't think the source of the problem is caused by the saws (MT 55, TSC 55 & HKC 55), by the manufacturer of the rails or by the fit of the saws on the rails. I think it's the material that Festool chose to use as a splinter strip is the issue. I believe it's HDPE and it tends to be on the brittle side.

It would be interesting to attach a similar material, similar to what Mafell uses, to the Festool rail, cut the splinter strip and then compare.”

I’m still using the old black neoprene strips (so I can’t compare) and they get torn up plenty.

My guess is it’s the difference in the saws/blades. Difficult to say for sure since you can’t run the Festool saws on the Mafell rails but since there is so little erosion on the Mafell strip it’s unlikely that the Mafell saw contributed to the erosion of the Festool splinter guard.

The splinter guard only gets chewed up when the blade wanders out of it’s proper path so there will be commensurate damage to the wood. I haven’t used my cordless MT55 all that much but so far so good as far as the cut surface goes, and no noticeable wear of the (Bosch) splinter guard.

Offline Svar

  • Posts: 2412
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #72 on: September 26, 2020, 01:35 PM »
If accuracy in aligning a pencil line with a splinter strip is your mission in life  [smile]  then by all means the Mafell splinter strips complete that task in spades. It's dead nuts...
Unless you bevel it. Then it's 2 mm off. To clarify, this is caused by the saw, not the strips.

I don't know what you do with your FT splinter strips, but I used my cutting hardwood, ply, aluminum, plastics, solid surfaces with different blades. After years of use (hobby) I can still cut on a pencil mark within 0.25 mm. Sure, there are few bumps in it but most is perfectly fine for accurate alignment. The biggest problem was delamination from excessive heat after cutting thick aluminum.

I'm not disputing that Mafell strips are better, just that I don't see a problem with FT.
« Last Edit: September 26, 2020, 03:58 PM by Svar »

Offline Michael Kellough

  • Posts: 5288
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #73 on: September 26, 2020, 01:36 PM »
@Cheese

Now that you have the rail, you should get the KSS40 to go with it.  It’s my most used saw.

+ 1

I get a little disappointed when I can’t make the cut with the KSS40.

One thing I like that I haven’t seen mentioned is that you can stand the whole thing up on it’s butt.



I just wish it was easier to set the bevel precisely.

Offline FestitaMakool

  • Posts: 1014
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #74 on: September 27, 2020, 07:18 PM »
The material in the Mafell splinter guard seems to be better suited.

One thing strikes me; do you cut your fresh/new splinter guards fully plunged?
- I know I did, per FT instructions.. but it think it’s wrong: I’ll cut as if I was cutting thin material next time, with the blade protruding maximum 1-2 mm’s below. It seems that the splinter guard easily gets tear out, and it might help cutting it plunged just below the thickness of the splinter guard.
“The Stig” Yes, it is true, at least some part of it..
“If you have an old Land Rover and a fit wife, you’re most likely always busy”

Offline Michael Kellough

  • Posts: 5288
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #75 on: September 27, 2020, 07:39 PM »
I think the best results are as FestitaMakool said, but also have the blade actually cut wood. Still, that condition is short lived.

Offline mkasdin

  • Posts: 475
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #76 on: September 28, 2020, 02:18 AM »
Looking forward to Sunday’s posts, reply #65 was less than satisfactory  [poke]

The congruence of the splinter guard to the kerf was what drew me to Festool in the first place. But we all know that relationship degrades, sometime rapidly. I learned to move the splinter guard out with the aid of a heat gun but I haven’t done that in more than a year to any of my rails.I don’t have a lot of faith in the splinter guard. I see it as more of a consumable. Last summer I worked on a house with no AC the glue doesn’t hold after a time from high heats. The only fix is to replace the strip.

Sometimes I stick a Post-It note to the bottom of the rail to get a fresh indication of where the kerf is but often I just use a steel rule butted against the aluminum rail to register the appropriate increment to the mark. A metric rule usually works best.

Well @Michael Kellough  this doesn't answer your first issue but it does address the 2nd & 3rd issue...in a round-about fashion.  [big grin]

Recently, I've been using both the Festool rails & the Mafell rails with the MT 55. When using the Festool rail it's been very difficult to decide which part of the splinter strip I should align with the pencil mark because it's so chewed up. I should note that I changed the splinter strips on all the Festool rails last fall, so this shows the amount of damage over 1 year with only intermittent use.

(Attachment Link)


When I place a straight edge along the strip this is what it looks like. Dimensionally that's about a 1/32" gap.

(Attachment Link)


Here's what the Mafell looks like.

(Attachment Link)


Zooming out a bit this is the view. Note that there is a gap of various widths starting at the 2 3/4" mark and extending to the 10 13/16" mark. This makes aligning the splinter strip with a pencil mark difficult. The semi-solution would be to mark the splinter strip in 2 places and then use those marks to align to the pencil line.

(Attachment Link)


In comparison here's the Mafell rail.

(Attachment Link)


This issue started after I ripped several long pieces of maple to the same width using both brands of rails and noticed a difference in width between the pieces. The Mafell rails produced very uniform widths while the Festool rails produced scattered results. Some of the pieces from the Festool rails even had a different width on each end of the board. [mad]

I don't think the source of the problem is caused by the saws (MT 55, TSC 55 & HKC 55), by the manufacturer of the rails or by the fit of the saws on the rails. I think it's the material that Festool chose to use as a splinter strip is the issue. I believe it's HDPE and it tends to be on the brittle side.

It would be interesting to attach a similar material, similar to what Mafell uses, to the Festool rail, cut the splinter strip and then compare.

Offline Cheese

  • Posts: 8903
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #77 on: September 28, 2020, 10:45 AM »
The material in the Mafell splinter guard seems to be better suited.

One thing strikes me; do you cut your fresh/new splinter guards fully plunged?
- I know I did, per FT instructions.. but it think it’s wrong: I’ll cut as if I was cutting thin material next time, with the blade protruding maximum 1-2 mm’s below. It seems that the splinter guard easily gets tear out, and it might help cutting it plunged just below the thickness of the splinter guard.

For both Festool & Mafell rails, I placed the rail on a sheet of foam and then cut the splinter strip so that the kerf in the foam was maybe 3-4 mm deep.

Offline Cheese

  • Posts: 8903
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #78 on: October 14, 2020, 11:15 AM »
This is just a heads-up for those of you that are using a Mafell track saw and rail. Be careful when you use the clamp slot that is closest to the splinter strip (Mafell rails have 2 clamp slots in them) if you're beveling at the same time.

This happened as I was cutting finished ply at a 15º bevel angle.  [eek]




Offline FestitaMakool

  • Posts: 1014
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #79 on: October 14, 2020, 06:54 PM »
It might just be me, but you need new twist knob [scared]
“The Stig” Yes, it is true, at least some part of it..
“If you have an old Land Rover and a fit wife, you’re most likely always busy”

Offline Cheese

  • Posts: 8903
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #80 on: October 15, 2020, 11:08 AM »
It might just be me, but you need new twist knob [scared]

Ya, I guess a new knob is in my future.  [big grin]

The funny thing is that I made several 15º bevel cuts and had just readjusted the saw for some additional 45º bevel cuts, I placed the saw on the track, pulled the trigger, plunged the saw and for some reason I decided to check the underside for clearance. [eek]

If I had moved that saw just an additional 3"-4" that clamp would have been cut in half, to say nothing of the additional noise and confusion that cut would have created.

 

Offline HowardH

  • Posts: 1354
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #81 on: December 27, 2020, 10:25 PM »
That is a great bracket Rob! Perfect for people who want to build their own MFT style table.

Can it be fitted to a Festool MFT for those who want to upgrade?

Yes. It's a direct retrofit for the MFT.

Just saw this.  What a great system!  I suppose one can continue to use the Festool fence or use Parf Dogs, etc.  Is that correct?
« Last Edit: December 27, 2020, 10:31 PM by HowardH »
Howard H
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Offline periquito

  • Posts: 8
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #82 on: January 21, 2021, 06:49 PM »
I have both Mafell and Festool guide systems.

I own a Mafell mt 55 cc incision saw

In my opinion and after having tested it with this incision saw, without a doubt, with the mafell guides a cut with greater precision is achieved, in the mafell guide, after adjusting with the wheels there is a high force for the oscillating saw, in The festool rail no matter how much the head saw is tightened, this could cause some slight deviation in the cut in demanding cuts of thick and hard materials.

For cutting boards it may not have any influence but if you start to demand the saw with cuts in hard and difficult wood there is no doubt that the cutting precision on the mafell rail will be superior.

We must also say in favor of festool of its compatibility and the number of accessories.

And in fact the anti-splinter rubber band of my festool guides is damaged and bitten in some parts of the guide, an unequivocal sign that sometimes the cut deviated slightly, none of that happens in the anti-splinter rubber band of the mafell guide.

The only clear advantage that I recognize to the Festool rail is its better adherence to the piece if clamps are not used.

It is not true that it goes smoother in Festool than in Mafell (With the MT55 saw) and as long as the wheels are adjusted to avoid oscillation behind, in front of the saw.

The winner is clear, the Mafell guides are superior in most variables, although the Mafell saws have prices that are sometimes double that of the Festool and there are far fewer accessories.

Undoubtedly, Mafell tools are more oriented to professional use and wood handling. Festool in general seems to be more concerned with reducing costs and offering versatile tools, it has good products and good value for money but it does not reach the refinement of Mafell tools.



« Last Edit: January 21, 2021, 07:16 PM by periquito »

Offline periquito

  • Posts: 8
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #83 on: January 21, 2021, 07:31 PM »
Looking forward to Sunday’s posts, reply #65 was less than satisfactory  [poke]

The congruence of the splinter guard to the kerf was what drew me to Festool in the first place. But we all know that relationship degrades, sometime rapidly. I learned to move the splinter guard out with the aid of a heat gun but I haven’t done that in more than a year to any of my rails.

Sometimes I stick a Post-It note to the bottom of the rail to get a fresh indication of where the kerf is but often I just use a steel rule butted against the aluminum rail to register the appropriate increment to the mark. A metric rule usually works best.

Well @Michael Kellough  this doesn't answer your first issue but it does address the 2nd & 3rd issue...in a round-about fashion.  [big grin]

Recently, I've been using both the Festool rails & the Mafell rails with the MT 55. When using the Festool rail it's been very difficult to decide which part of the splinter strip I should align with the pencil mark because it's so chewed up. I should note that I changed the splinter strips on all the Festool rails last fall, so this shows the amount of damage over 1 year with only intermittent use.

(Attachment Link)


When I place a straight edge along the strip this is what it looks like. Dimensionally that's about a 1/32" gap.

(Attachment Link)


Here's what the Mafell looks like.

(Attachment Link)


Zooming out a bit this is the view. Note that there is a gap of various widths starting at the 2 3/4" mark and extending to the 10 13/16" mark. This makes aligning the splinter strip with a pencil mark difficult. The semi-solution would be to mark the splinter strip in 2 places and then use those marks to align to the pencil line.

(Attachment Link)


In comparison here's the Mafell rail.

(Attachment Link)


This issue started after I ripped several long pieces of maple to the same width using both brands of rails and noticed a difference in width between the pieces. The Mafell rails produced very uniform widths while the Festool rails produced scattered results. Some of the pieces from the Festool rails even had a different width on each end of the board. [mad]

I don't think the source of the problem is caused by the saws (MT 55, TSC 55 & HKC 55), by the manufacturer of the rails or by the fit of the saws on the rails. I think it's the material that Festool chose to use as a splinter strip is the issue. I believe it's HDPE and it tends to be on the brittle side.

It would be interesting to attach a material similar to what Mafell uses, to the Festool rail, cut the splinter strip and then compare.

The lack of precision that you mentioned in some cuts with the festool guides is not due to the anti-chipping strip but is due to the anchoring of the saw on the rail, in the mafell guides it fits more precisely and does not oscillate easily even when high forces are applied on the festool rails there is oscillation

Offline Svar

  • Posts: 2412
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #84 on: January 21, 2021, 08:05 PM »
The lack of precision that you mentioned in some cuts with the festool guides is not due to the anti-chipping strip but is due to the anchoring of the saw on the rail, in the mafell guides it fits more precisely and does not oscillate easily even when high forces are applied on the festool rails there is oscillation
I disagree. Both saws can be adjusted on their respective rails with zero side to side movement. FYI, I have both saws.
« Last Edit: January 21, 2021, 08:07 PM by Svar »

Offline periquito

  • Posts: 8
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #85 on: January 22, 2021, 04:09 AM »
The lack of precision that you mentioned in some cuts with the festool guides is not due to the anti-chipping strip but is due to the anchoring of the saw on the rail, in the mafell guides it fits more precisely and does not oscillate easily even when high forces are applied on the festool rails there is oscillation
I disagree. Both saws can be adjusted on their respective rails with zero side to side movement. FYI, I have both saws.

Not true, with the Mafell MT 55 saw.

No matter how much the adjustment wheels are tightened, the saw nods if force is applied, the oscillation is clearly visible visually, not even by tightening the maximum that it is very hard and is impossible to use like that. I have checked it and there is no doubt.

And if you have this saw, check to intentionally move the saw and you will see that the saw oscillates and the same does not happen when you put the saw on the mafell rail, there is no oscillation that can be seen visually.

Festool rails do not allow very high precision. Its should not be used for cuts that require high precision or for demanding cuts in wood
« Last Edit: January 22, 2021, 06:12 AM by periquito »

Offline mino

  • Posts: 533
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #86 on: January 22, 2021, 08:28 AM »
Festool rails do not allow very high precision. Its should not be used for cuts that require high precision or for demanding cuts in wood
This is some very strong statement here.

IF what you describe is true, then it would be a limitation of the MT55 with Festool rails aka the MT55 not really being optimized for Festool-style rails.

But that would not be a problem of the rails in any way.
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Offline Svar

  • Posts: 2412
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #87 on: January 22, 2021, 10:39 AM »
Festool rails do not allow very high precision. Its should not be used for cuts that require high precision or for demanding cuts in wood
I've used FT saws for many years on everything from softwood to aluminum and from large sheets to tiny parts. They have proven to be extremely precise, able to consistently shave off 0.1 mm if needed. I'm sure tens of thousands of woodworkers worldwide would agree.

Offline Michael Kellough

  • Posts: 5288
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #88 on: January 22, 2021, 12:39 PM »
I agree that how the saws engage the guide slot is not substantially different in terms of yaw stability.

Maybe periquito used a TS saw with an warped base that wobbled?

There is a little more roll movement possible with the TS saw.

Offline periquito

  • Posts: 8
Re: Festool FS Guide Rail vs Mafell F Guide Rail
« Reply #89 on: January 22, 2021, 02:32 PM »
I have the festool DSC-AG 125 that comes ready to use with the festool guides so tomorrow I will check if it fits accurately without any oscillation.

However, in this forum there are many festool users and many complain about bites in the festool anti-splinter piece, the same thing has happened to me with the Mafell MT 55, for me it is proof that sometimes the cut can be twist slightly and that is what produces those irregularities.

I maintain that the Mafell guide has a superior precision and for what I have read and in other posts in this same thread, the majority in this forum supports it, a forum in which it is assumed that there are many more users of Festool tools than of Mafell and yet there is no problem in recognizing superiority and that happens because this superiority is unquestionable.

And what is more, if demanding cuts were made, for example in tropical, hard wood and large widths. This difference in precision would be much more evident because entering the saw in hard material creates greater torsional forces and this is where festool guides have their vulnerable point.

I have both guide systems and say that the Mafell / Bosch guides are far superior to the Festool.

I have more Festool guides than Mafell so I'm not particularly happy to have found this little problem with the Festool guides.

However, I do not know if I explain it well, I am talking about putting a Mafell MT55 saw, the best plunge saw in the world, on a Festool rail, adjust the slide in such a way that it is very rigid and grab the saw from the front and the back and try Turning it with force, the saw oscillates slightly visibly during force so adjustment without movement is impossible. On the Mafell rail, an adjustment is possible without visually appreciating an oscillatory movement.

I will limit myself to saying that with this configuration MT 55 and rail festool it is impossible to achieve a very high precision and it is because the saw does not fit so precisely.

I understand that as a consequence of the design of the festool channel, the tools have a contact surface much greater than that of Mafell, the friction is higher, perhaps the developers of Festool preferred to sacrifice minimally the precision to achieve a better sliding for their rail, this is something that anyone notices from the first moment, extreme precision does not have to be a priority for the majority, it is not something that one can be sure of from the first minute, it requires demanding the machine and the guides.

As this post tries to compare both systems, in the comparison, for design reasons it is very difficult that with this design the festool guides have as precise a guide as the Mafell / Bosch guides

As I said I will check it with a specific tool for festool rails and here I will say it

But as I said in another post, festool guides have the advantage of better grip
« Last Edit: January 22, 2021, 04:21 PM by periquito »