LR2 to LR3 UK

If so, it can likely be remedied by shims or possibly reprinting a part that is the easiest corrective measure.

Hi All,

My enclosure frame has a .3mm slope and so do my tracks so I’m going to get them straight today and one of my tracks is about 1.5mm higher than the other so sorting that out as well. Instead using wheels on 1 side I’ve bought another length of tubing so going to put that in the aluminum V that I was using for the LR2 wheels so I’ll have the tubing on both sides.

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Be really careful when adding the second track. Any difference in width between the two track is going to raise the wheels traveling on one of the tracks. If you are 1mm closer than the gantry. The Z will lift one side up 1mm (on the round side, at least). It was a conscious design decision to only have one track so the build would not be overly constrained.

Thanks Jeff,

I’m laying the tubing in my aluminium V groove which is straight so that shouldn’t be an issue but I’ll check heights once done to make sure. Slight error of mine is I printed the rollers as normal instead of mirroring them so they don’t fit. I’ll print updated onces out tomorrow and give them a go.

If you are using v wheels and a v track, then of the wheel has to ride closer, it will ride up 1:1. The bearings on the tubing are also about 45. So they will be close to 1:1 too. Any errors in width will directly translate to errors in Z.

Installed the other y tube so now I’m using 2. Just test cutting struts in 3mm ply.


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Your dust shroud looks as if it was taken straight out of Dexter… :stuck_out_tongue:

Don’t know what that means but if you need an 80mm spindle mount then it’s here

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Nah, I mean those things you hung around the whole table as dust stops. Dexter is a series about a serial killer who always hangs plastic foil to not make a mess. It was supposed to be a joke. :sweat_smile:

:grinning: sound proof enclosure also. I remember Dexter now, good show.

Finished, now time for testing :grinning:

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Hi Doug,

Laser holder is not ideal but it’ll do for now.

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Tool changes are fine with this design.

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looking good!

Cutting this on my LR2 very slowly I had to touch a lot of it up with a fine paint brush as it has a bit of tearout. I decided to upgrade because I needed more speed and better quality cuts (don’t think LR2 was perfectly straight, my fault) AND was looking for an excuse to upgrade :slight_smile:

Learning as I go along.

LR2 - 60 degree 1/4 inch vbit 4 flutes doc 2mm, 12mm per sec, 7mm flat depth, 15000 rpms, 400mm x 400mm

Doing tests on LR3 and looking good. Will post updates as and when.

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This is the way!

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Note to self : make sure you run the 3mm bit at 20mm per sec and not 8mm per sec and tighten the Y belts.

Wood filler and go back over the mess should do it. Apart from that it turned out brilliant.

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Put those into the “Things you’ve made”! :slight_smile:

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Will do.

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LR3 20mm per second, 2mm doc, 90 vbit 550mm x 550mm

Testing complete and very pleased with results, those teeth are great.


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