Author Topic: LR32  (Read 1671 times)

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LR32
« on: August 06, 2017, 06:04 PM »
Trouble with hole alignment.  Watched videos several times.  Stop blocks are the same yet when test installed them end to end on the same reveal, they do not fit together.  Appears that something is off  ??

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Offline Gregor

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Re: LR32
« Reply #1 on: August 06, 2017, 09:14 PM »
More details please, an annotated picture might help.

Offline Scorpion

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LR32
« Reply #2 on: August 06, 2017, 11:24 PM »
My problem, the first time I used my LR32, was that I didn't have the router aligned well enough in the hole of the LR32 router plate and when I flipped the rail to the other side I was also flipping the router's direction (handle was point the opposite direction).  The hole not being centered doubled the error and made the holes off more than a couple mm.  Once I was more careful with the alignment tool (provided in the kit) the holes were (nearly) perfect.  Took me a while to figure it out (even posted here just like you).  Double check you're alignment.  Maybe you're having the same problem.

Matt
« Last Edit: August 06, 2017, 11:27 PM by Scorpion »

Offline Bob Wolfe

  • Posts: 77
Re: LR32
« Reply #3 on: August 07, 2017, 12:59 AM »
Make sure your piece is an exact multiple of 32 mm in length if flipping rail around or you are hooped.

Offline Gregor

  • Posts: 360
Re: LR32
« Reply #4 on: August 07, 2017, 04:30 AM »
Make sure your piece is an exact multiple of 32 mm in length if flipping rail around or you are hooped.
You can flip the rail, but you'll have to put the LA-LR 32 FS (the stop block that gets screwed onto the rail) on the other end of the rail so you reference from the same edge of the material. The System is precise enough (when the router is correctly certered) for that.

You get two LA-LR 32 FS in the LR32-SYS so that you can put them on both ends of the rail to rotate it to your liking without having to re-setup while producing, you just need a rail that is longer than your workpiece.

Re: LR32
« Reply #5 on: August 07, 2017, 10:16 AM »
Thanks for the help !  Thanks for the quick responses also. I'm trying the suggestions you all came up with. It still seems to be a little off. How precise can I expect it to be perfect, nearly perfect? (Meaning within 1 mm) ?

Offline Atonwa

  • Posts: 43
Re: LR32
« Reply #6 on: August 07, 2017, 10:22 AM »
I just finished up 18 cabinet sides using the LR32. A quick measure shows them to be almost dead on (<1mm). Are you clamping the rail to the workpiece before you start the holes? With my OF1400 I have to clamp it as it's heavy enough to move the rail.

Offline Gregor

  • Posts: 360
Re: LR32
« Reply #7 on: August 07, 2017, 10:38 AM »
Always clamp after positioning, you don't want it to move.

It still seems to be a little off. How precise can I expect it to be perfect, nearly perfect? (Meaning within 1 mm) ?
Test on a scrap by referencing from both ends of the rail to the same (clean) corner and place the holes next to (or even onto) each other. It should be quite precise.

Re: LR32
« Reply #8 on: August 07, 2017, 10:48 AM »
Yes I'm clamping it to the rail and I agree the 1400 is quite heavy. I just tried another one and it is still off. What are your thoughts on something being wrong with the rail??.

Offline Gregor

  • Posts: 360
Re: LR32
« Reply #9 on: August 07, 2017, 11:45 AM »
I just tried another one and it is still off.
Another what, do you refer to the holey rail?

Quote
What are your thoughts on something being wrong with the rail??.
In what direction is it off, how did you setup/register the rail, is the router correctly centered on the LR32 plate?
An annotated photo might help...

Re: LR32
« Reply #10 on: August 07, 2017, 11:56 AM »
Pictures showing misalignment and the example of putting both stop blocks adjacent to each other and not fitting in the holes

Offline Brice Burrell

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Re: LR32
« Reply #11 on: August 07, 2017, 12:01 PM »
It looks like you might have a problem with the one stop.  Have you tried the stops on another section of the rail to rule out the holes in the rail where the stops are butted together in your picture?
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Re: LR32
« Reply #12 on: August 07, 2017, 12:09 PM »
I just tried it on another section on the rail. The one stop fits and the other one won't. Good suggestion what are your thoughts to move further ? Thank you in advance.

Offline Brice Burrell

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Re: LR32
« Reply #13 on: August 07, 2017, 12:16 PM »
I'm guessing you have a bad stop.  I'd measure the pin and the screw hole in the stops to see if they match.  If you believe the stop is bad call your Festool dealer or Festool and get a replacement.
Good luck.
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Re: LR32
« Reply #14 on: August 07, 2017, 12:20 PM »
Will do.  Thanks !

Offline jobsworth

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Re: LR32
« Reply #15 on: August 07, 2017, 02:14 PM »
Your photo shows the stops 32 up, is that the side of the stop ur using when making ur holes?
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Offline JimH2

  • Posts: 449
Re: LR32
« Reply #16 on: August 07, 2017, 03:33 PM »
Look at the videos and someone has a writeup of how to do it. I think there is a link on the Festool website's LR32 page. I'd also practice on scrap wood until you get it right.

Offline Brice Burrell

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Re: LR32
« Reply #17 on: August 07, 2017, 03:46 PM »
I believe the OP figured out what the issue may be, and he is on the right track by getting in touch with his dealer/Festool.
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Online Bob D.

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Re: LR32
« Reply #18 on: August 07, 2017, 04:53 PM »
I don't think butting the two stops end-to-end proves anything either way. I doubt the end of the stop is ground to an exact dimension such that you can do as you have. If anything I would think they would be short so that if you did install them end-to-end on a rail they would not interfere with each other. Not sure why you would need to put them end-to-end anyway.

Put them side-by-side with the holes facing each other and see if they line up.

I see a Fastcap tape measure in your one photo. Are you using that in any way and how do you know it is accurate?
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Offline Brice Burrell

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Re: LR32
« Reply #19 on: August 07, 2017, 06:15 PM »
I don't think butting the two stops end-to-end proves anything either way. I doubt the end of the stop is ground to an exact dimension such that you can do as you have. If anything I would think they would be short so that if you did install them end-to-end on a rail they would not interfere with each other. Not sure why you would need to put them end-to-end anyway.


Put them side-by-side with the holes facing each other and see if they line up.

I see a Fastcap tape measure in your one photo. Are you using that in any way and how do you know it is accurate?

The stops have to be exact or your holes won't line up.  Also, if the stops were made purposefully small then they would easily fit end to end.

EDIT:
I decided to go check my LR32 stops.  The old style stops (smaller stops with the rounded ends) have a gap, maybe half a mm, between them when butted.  My newer style stops like the OP has, there was a small space under the stop, but less than what the OP has. I don't remember having any problem with my stops, although it is possible I never used the new style because I prefer the old style stops.

I wanted to measure the stops with my digital calipers but the battery was dead.       
« Last Edit: August 07, 2017, 06:32 PM by Brice Burrell »
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Online Bob D.

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Re: LR32
« Reply #20 on: August 08, 2017, 03:37 PM »
"The stops have to be exact or your holes won't line up."

Yeah, what was I thinking. [doh]

I forgot the end of the stop has to butt to the work, so yes they
should be the same else no repeatability/consistency. I was only
thinking about the two stops being placed end to end.

I just measured mine with a digital caliper. I checked the diameter of all the pins, they are all 6.00 mm.

I then measured the pin closest to the end of the stop and they all the pins located on the same side and location matched.

I then measured the outside to outside of the four pins on side stamped 32. The dimension was 37.95 (38 - 6 would be 32 mm on the money and line up with the rail holes) for all of them except on one pair of pins on the end of one stop which measured 37.90, and that stop does not fit without being forced into the guide rail holes IF you are trying to set it so that all four pins engage a hole. The flip side or 16 only has one pin so not an issue. The other stop drops in just fine, no slop and no resistance. I have the newer style stops I guess since they are the longer, more squared off ends.
« Last Edit: August 08, 2017, 03:58 PM by Bob D. »
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Offline Scorpion

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Re: LR32
« Reply #21 on: August 11, 2017, 08:38 AM »
I have noticed that the stops and pins do have the slightest slop in their engagement.  A very little variance could be coming from there.  Maybe the issue is an aggregate of little variances.  Fraction of a mm from the stops, fraction from the centering of the bit, fraction from the holes in the rail (or drift pin).  For the aggregate to equal 1/2-1mm wouldn't be impossible to imagine.




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Offline Bohdan

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Re: LR32
« Reply #22 on: August 11, 2017, 09:34 AM »
Another possibility is the adjustment of the router carriage to the rail. If it is loose and you change sides the error would add and easily become ~1mm.