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Parallel Guide Mk3 for Hammer K3
Sam
Blasco was my original inspiration for a parallel guide. Here is a
video of Sam using his
…
https://www.youtube.com/watch?v=9AHMTuw_Ghg&t=4s&ab_channel=SamBlasco
Mike
Kreinhop made a great one using an Incra LS25 positioner
...
Then,
two years into Covid and many tools are not available, I decided to
use what I had and build my own. An Incra Positioner was out of the
question, it is not available in Australia, with local versions
costing upwards of $1000 (AUD).
The main component was a 1m
length of 8020 aluminium extrusion, identical to the one I used for
my router table fence ...
The
fence came from an Incra mitre fence (which had been used with the
original F&F I made a few years ago, and discarded when the
reversed F&F was built).
This is what I came up with
...
Steel
angle brackets are used to connect the base to the wagon
...
These
were then shaped and given a wooden cover for aesthetics
...
The
L-bracket on the underside which ensures the fence base is square to
the side of the slider. This is adjustable ...
In
fact, everything is adjustable on this fixture. The Incra fence is
attached with small L-clips, and the side screws enable the fence to
be moved in-and-out on each side ...
The
base (rail) is a double sandwich of 8020 lengths ...
The
lower rail is 400mm long, and the upper rail (connecting to the
fence) is 900mm long. The fence is 470mm long and 40mm wide.
The
lower rail has a sliding 6mm bolt (which can slide the full length)
...
The
uppe rail, as shown here upside down, moves on and is squared by two
UHMW slides. It also has two positions for the 6mm bolt - one at the
rear and one near the front. These enable the full length of the
rails to be used.
There
is a total of 610mm width of cut when ripping. The scale on the upper
rail is a steel rule. Alongside is an adjustable marker (I use the
front edge) ...
My
K3 is a short stroke with the crosscut fence at the front of the
slider wagon. The depth stop on this perfectly is aligned with the
parallel guide.
The depth stop on the Incra fence slides
along its face ...
The
rails are attached via bolts to the side of the wagon, as shown
earlier. The knobs allow for easier adjustment the full length of the
slider ...
This
enables boards of varying lengths to be held securely (stop-to-stop)
...
Regards
from Perth
Derek
March 2023