ShopBot PRS Assembly Manual Page -40
• Push the Proximity Switch over these targets and check the spacing. You want about
a 2mm gap (.08”) between the target and the Proximity Switch. After you get your
tool connected, you can check and adjust these targets.
X-Axis Targets.
In your hardware pack, you will find hardware for 2 additional targets. After you get the
tool running, you will set these at the appropriate location and set the switch to the
height to just clear the target. See Test Spin???
Z-Zero Plate Holster
The Z-Zero plate is a narrow stick of aluminum that is used to set the zero position of the Z-
axis of your tool. This can be set to the height of the material you are working with or to
your table surface and is typically done. after you have changed cutters or materials. You’ll
find it with its cable in a bag in your shipping crate.
Mount the Z-Zero Plate Holster anywhere that is convenient for you, either on or off the
tool. Here we’ll describe how to ‘holster’ it on the tool, near where you will need it. The
holster is made of two pieces of aluminum channel that capture the Z-Zero Plate from the
side. We find the best location in our use to be in the middle of the Z axis beam if you are
using a router, or on the side of the spindle if using a spindle.
You can go ahead and install the holster brackets now so that you can run the wire along
with other cabling, or you can wait until you’ve used the tool for a while to decide if you
want the Z-Zero plate on the tool, or at your work station.
The channel pieces have adhesive on the back that is used to mount them. Mount them so
they will just capture the plate as it slides in and jam tight at the bend at the top. The
adhesive also electrically isolates the plate when not in use.
Note that the cabling for the Z-Zero plate also has a connector that can be used to connect
the optional digitizing probe.
PRSAssembly080922.doc Copyright 2007,2008 ShopBot Tools, Inc
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