7.3. ABS/ACETONE GLUE
Once you have removed the nozzle you can then thread on the other
nozzle size you would like to use. Make sure the nozzle has threaded correctly
onto the threaded extension before trying to turn it with the wrench. Turn
the nozzle clock-wise until it tightens against the heater block.
After installing the new nozzle you may need to adjust your Z home
trigger setting before printing again. Refer to the Printing Your First Print
section (page 91) for calibrating the Z home trigger setting.
If you will be changing nozzles frequently we suggest reapplying a small
amount of high temperate anti-seize to the inside threads of the nozzles.
You will need an anti-seize capable of temperature of at least 250
◦
C.
7.3 ABS/Acetone Glue
Acetone is not included or required with the TAZ 3D printer. An acetone
safety label is included for the HDPE bottle.
Acetone can cause skin irritation when prolonged skin contact occurs. It
is recommended to use acetone safe gloves when applying the ABS/acetone
glue. Use the ABS/acetone glue in a well ventilated space. Leave the
mixture bottle closed except when applying a small amount to the wiping
towel. Acetone liquid and vapors are highly flammable. Keep acetone away
from open flames and high temperature sources, including the 3D printer.
Read the warnings label on your purchased acetone packaging for additional
warnings.
You may find that during printing, printed parts lift off of the print
surface on the corners. If you are seeing this problem you can make an
ABS/acetone glue to apply to the print surface. Using the HDPE acetone
safe bottle included in the printer kit, fill the bottle 3/4 full with acetone.
Now cut eight, 75mm lengths of ABS filament and put them in the bottle
with the acetone. Allow the ABS filament to dissolve for 4-6 hours.
When applying the acetone/ABS mixture it will work best when the
bed temperature is below 60C. To apply the acetone/ABS mixture put a
small amount onto a paper towel. Now, rub the towel onto the cool PET
print surface to apply a thin layer of ABS. Generally only one thin layer
of the acetone/ABS solution is needed. However, if needed you can apply
multiple coats.
103
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