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Re: sliding table saw: parallel fence vs 2nd crosscut fence? #k700s


 

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You guys are kidding yourself. ?+/-1.0 mm would be more sloppy than the original Felder unit. ?The required spec is +/- 0.01mm or better. ?What I produced was +/-0.0003-inches or +/- 0.008mm otherwise I scrapped them - a lot of them. ?The narrow distance between the pivot point and the point of 90¡ã registration is woefully inadequate and a flawed design IMO. I did the best I could to work with the existing design and the tolerances is required with the existing Felder design are extreme. ?And like I said before, there¡¯s more to this than machining T-nut and mating bushing. ?

If you really want to put energy into finding a solution here I suggest you focus on a new design that uses the P-channel (angled top prism feature) for registration with two points of contact via mating saddles to provide the 90¡ã registration - similar to how the outrigger table attaches to the slider. ?If you want something that does angled miters a new approach similar to the following is the right strategy, or use the EGL/DGL. ?

25554561176_f810492982_c.jpg

25554562606_1c5dce2002_c.jpg

25580681155_1789decca3_c.jpg

David Best
DBestWorkshop@...
https://www.flickr.com/photos/davidpbest/collections/
https://www.youtube.com/@David_Best



On Oct 18, 2024, at 6:39?AM, imranindiana via groups.io <imranindiana@...> wrote:

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Hi Nate,

David be the best to tell us if it is worthwhile to relax the 1/2 mil spec (between the bushing and the counterbore in t-nut), which is hard to meet. I would be worthwhile to know the effect on accuracy if the bushing OD tolerance is changed to +0/-1 mil. Which I hope more machine shops can meet.

Imran Malik

On Oct 18, 2024, at 9:11?AM, netanel.belgazal via groups.io <netanel.belgazal@...> wrote:

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Are we familiar with any metal show that is willing to produce something with a tolerance of 0.01mm?

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