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View WhoDesignedThis's profile

trying to cut unknown angle accuratly

by WhoDesignedThis
posted 02-11-2018 04:00 PM


10 replies so far

View splintergroup's profile

splintergroup

2696 posts in 1615 days


#1 posted 02-11-2018 04:09 PM

For many “mystery” angles, I use a sliding bevel gauge.

(tried to post a pic, but LJ site is a bit squirrely right now)

Set the gauge to your angle by referencing off the object you are trying to mate to. Lock the gauge down then transfer the angle to your miter saw by holding the gauge to the fence and aligning the blade.

Holding the saw down, moving the blade, and holding the gauge takes three hands, but it works 8^)

View WhoDesignedThis's profile

WhoDesignedThis

4 posts in 498 days


#2 posted 02-11-2018 05:18 PM

tks

View jdh122's profile

jdh122

1073 posts in 3211 days


#3 posted 02-11-2018 05:27 PM

Remember when you’re cutting more or less than 45 degrees, the angle on the chopsaw is not the angle you want to cut at (because the 0 is really 90 degrees). You probably know this already, but it’s the kind of thing that I have to think through in my head multiple times (and still cut wrong sometimes).

-- Jeremy, in the Acadian forests

View AAL's profile

AAL

80 posts in 1820 days


#4 posted 02-11-2018 05:35 PM

If you want to show degrees you can click Alt 248. Voila °.
Try using the sliding bevel gauge https://www.amazon.com/Sliding-T-Bevel-10-Blade/dp/B0037XWC4O

or a protractor https://www.amazon.com/General-Tools-Square-Metal-Protractor/dp/B00004T7TB

to duplicate / transfer angles.

-- "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery." Winston Churchill

View AlaskaGuy's profile

AlaskaGuy

5283 posts in 2702 days


#5 posted 02-11-2018 06:20 PM

Trial and error on a piece of scrap. Keep it simple.

-- Alaskan's for Global warming!

View Holt's profile

Holt

280 posts in 3022 days


#6 posted 02-11-2018 07:01 PM

Might be easier to add a shim between the fence and work piece to tweak the angle with the saw set to 90.

-- ...Specialization is for insects.

View WhoDesignedThis's profile

WhoDesignedThis

4 posts in 498 days


#7 posted 02-11-2018 09:25 PM



Trial and error on a piece of scrap. Keep it simple.

- AlaskaGuy

yes that is what im doing

View Craftsman on the lake's profile

Craftsman on the lake

2975 posts in 3831 days


#8 posted 02-11-2018 09:55 PM

Hmm…. First, your miter saw should be able to lock in any position by tightening a knob. Next, if I understand you right, draw the angle on the wood then line it up with the edge of the slot (where the blade goes down into) When you move the wood over to the center where the blade will be, the angle will be the same. Seems obvious enough unless I missed exactly what you’re doing here…

-- The smell of wood, coffee in the cup, the wife let's me do my thing, the lake is peaceful.

View cabmaker's profile

cabmaker

1745 posts in 3202 days


#9 posted 02-12-2018 01:07 PM

sounds like your trying to cut a KNOWN ANGLE WITH UNKNOWN ACCURACY

View WhoDesignedThis's profile

WhoDesignedThis

4 posts in 498 days


#10 posted 02-12-2018 01:22 PM

nope. I still dont know what the angles are and I just finished cutting four of them.

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