Re: Dovetail Jig Usage Questions (Porter Cable Model 4212)

On Jul 31, 1:43 pm, Pat Barber <mboceans...@xxxxxxxxxxxxxxxx> wrote:
That's how dovetail jigs work.
I have one like yours and my very first
recommendation is to go buy a Freud
dovetail bit.

I must have cut a thousand samples not
getting a decent joint when i first got
the jig.

Bought the Freud bit and my problems
went away.

The half blind joint requires
several things to make a decent
joint.

(a) stock must be flat and correct
     thickness.

(b) stock must be inserted in jig
     perfectly straight and flat.

(c) depth of template must be perfect

(d) depth of router bit must be perfect.

(e) router bit must correct size for
     template.(PC bits are not)

Oh....and you need a LOT of stock to
practice on.

PS: ALL stock for setup and final use
     MUST be the exact same thickness.

You need the optional manual for uses
of the other side.

http://www.deltaportercable.com/jigs/dovetail/

Download Advanced Joint manual.



Otoe wrote:
I've had my dovetail jig for several months now.  I feel comfortable
with through dovetails.  Half blinds are more of an issue for me.- Hide quoted text -

- Show quoted text -

I agree with all of what Pat said but the router bit. I use the PC
bit but from what I've read on the wreck and elsewhere I'm lucky that
my PC bit is the right size. I'm actually typing and looking at a
monitor that is sitting on a stand made with the 4212. Half-blind
joints that fit tight on the first try. Again, lucky. Both my TS and
CMS needed adjustment 'out of the box' so maybe your jig does.

Set the bit depth via the instructions using the guide on the left
hand side.
test your joint
adjust bit height up or down as needed
cut another
once it fits use your bit to adjust the bit height guage for next time

don't give up! It is a great jig and *will* make nice tight fitting
joints.

If need be call PC
.

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