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Calibrating
Machine
Offsets:
The "Calibrate
Offsets"
function
is a
simple procedure
to allow the user to fine-tune
the CompuCarve
machine for improved
accuracy.
To perform the offset calibration
you
will need:
A board at least 2" wide by 10" long between
1/2" and 3/4" thick.
The CompuCarve
branded 3/8" Jointing
Bit (using a non-
CompuCarve
branded bit will affect accuracy).
The CompuCarve
sensor calibration
will vary slightly depending
on
the color and darkness
of the material.
If you tend to work in one
type of wood then best results will be realized by calibrating
the
machine
using that wood type.
If you tend to carve in a variety of
woods, choose a wood for calibration
that is in the middle of the
range of color and darkness.
For best results, you should choose a straight, flat board that has crisp,
clean corners,
and ensure that the Jointing
bit is in good shape.
Begin
by measuring
the thickness
of the board you have chosen.
Try to
measure to within at least 1/32" of the actual thickness.
Load the board in to the machine
and select Options from the
CompuCarve
main menu by using the up/down arrows or pressing the
"0" on the keypad.
Select item 6, Calibrate
Offsets, from the Options
menu.
You will be prompted
for the thickness
that you just measured,
key in the value and press ENTER.
The machine will begin measuring
the board and then will prompt for the 3/8" Jointing
bit. Load the bit as
normal and press ENTER.
The machine will take a few more
measurements
and cut a slot into the board.
Once the slot is complete,
the CompuCarve
will begin alternating
between measurement
and cuts along the two sides of the slot and the
two sides of the board.
When the machine has completed
the
calibration
the new offsets will be stored into the machine and the LCD
will return to the Options menu.
The entire process takes just a few
minutes.
If the calibration
fails, please see the entry entitled
Troubleshooting
the Board Sensor in the above paragraph.
Checking
the Head Pressure:
Cranking
the head down onto the
workpiece
assures that there is sufficient
pressure to move the
workpiece
in and out of the machine on the traction belt drive.
If there
is not enough head pressure,
the sensors
that monitor whether the
workpiece
is inserted correctly
will not operate properly.
If this
happens then the message
"Please
Insert Board " may persist on the
LCD.
Sears, Roebuck and Co.
CompuCarve
TM
System (Rev 1.6) 09/27/06
Page 37
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