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Dado Help

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Basil

Basil

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Does anyone here know how to properly use an "Adjustable Dado" blade with a table saw? I bought one but the instructions are lacking. I basically understand how they work, but have never used one before and I'm not sure about how to adjust it properly.

Basil
 
NOW what're you doin'?!?!

Flooring to cabinetry?

Or is this just a "Rip yer own" floor & crown molding exercise?
 
Me thinks he is trying to get to that little varment in the wall :jester:
 
Basil:
Getting an EXACT width measurement on an adjustable dato set is frustrating at best. The adjustable set I have {Sears Craftsman} does not cut flat bottoms in the joint, well at all.
I finally gave up on it and purchased a stacked set, It makes far better cuts, Square and flat.
As far as setting an adjustable up the cutters go on the outside and the chippers in the middle. The problem I found is once I thought I had the width measurement correct I tightened up the arbor only to find that the width had changed {narrower}. Lots of trial and error to get it anywhere near correct.
The stacked set takes about the same amount of time to set up but makes much better cuts.
Just my Opinion!
 
I ~hate~ woodworking. For just the reason you stated, Kerry. Inexact, inaccurate. Futz 'n fiddle.

Gimme METAL dammit!!! A 64th is a 64th. :devilgrin:
 
DrEntropy said:
...

Gimme METAL dammit!!! A 64th is a 64th. :devilgrin:
Click to expand...

Unless you heat it up and it expands! :laugh:
 
Stop it, Art. Don't ruin my last illusory beliefs. :wink:
 
Like Kerry said, you'll be a lot happier with a stack set. But, if you already have the wobbler and you only have a few dados to make...well, trial and error is the answer. Actually, except for the not quite flat bottom, you can make respectable dados with it. For fairly narrow cuts, the bottom may not be noticeable. The wider it gets though, the more pronounced it will be. Good luck boss.
 
's why caulk was invented.

...and BONDO. :devilgrin:
 
Stacked set versus adjustable is probably not an issue - I'm not looking for precise measurements (not cabinets) I just want to dado some channels lengthwise in some floor boards of sufficient width and depth so that I can run some satellite cables and computer cables under the floor in those channels I create with the dado.

Ok, here's the first question for using the adjustable dado. There are two sets of cams that came with it - one marked left and the other marked right. Do I instal both at the same time, or just one or the other? ANd how do I know which to use (if only one adjusted is used? If I only use one set of adjusters at a time, it would "seem" that the adjuster goes on the arbor first, then the blade...is that right? The instructions are not at al clear on any of this.

Basil
 
gawd... you need a channel for CAT-5 or BNC cable??? Just wing it!! Try a short piece of "sacrifice" wood and go from that.
 
<div class="ubbcode-block"><div class="ubbcode-header">Quote:]'s why caulk was invented.[/QUOTE]

And lead and bondo and welding rods......
 
No! No! Don't try to use lead on boards. The torch tends to light the darn things afire!

I can't really answer your question Basil as I don't own a wobbly. Is it a single or double blade style?

maybe wireless makes a lot of sense anyway.
 
I'm with Doc you do not need accuracy so set it up best you can a give it a try when the groove is wide enough and deep enough go for it.--Keoke
 
If you're just doing a groove on the underside of the boards, a router would do the trick too.
 
First make sure the arbor is long enoug. The set I've had for years don't fit my newish saw. Arbor is to short.

Seems to be a local problem :devilgrin:
 
Haven't used mine in so long I don't even know where it is to look at tell you the set up. You might try installing 2 or 3 blades of the same diameter with the most teeth on the outer blades and the least on the inner. Use a large washer between the blades so the teeth don't interfere. Won't cut as well as a stacked set but might get this one time job done.
 
basil, a "stackable" blade is what you want to get, ive had mine for 12 years, its kept in this simple wooden box when not in use to prevent blade damage, the blue ring you see in the center are "shims" that are used to adjust cut thickness to within a hair, a good set can be gotten for about $100.00-$150.00, you could also just run several cuts with a regular blade close to each other and pop the material out with a chisle, please be careful!
 

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