Prusa i3 MK3 - Page 58

11.11  PC-ABS (E3D)
Polycarbonate ABS (PC-ABS) is an enhanced version of traditional ABS. It offers easier
processing, higher strength, stiffness, and temperature resistance. PC-ABS is also suitable
for structures with openings, its bridging capability is improved compared to ABS. Typical
usage of PC-ABS is for durable plastic parts like television or computer casings.
ADVANTAGES
DISADVANTAGES
Lightweight
Warps
Good for mechanical parts
Low elasticity
● Nozzle temperature: 270 - 280 °C
● Bed temperature: 100 - 110 °C (bigger object -> higher temp.)
● Heatbed:  Make sure the surface of the heatbed is clean.
11.12  Dialing in new materials
Each manufacturer produces slightly different material even though, they are under the
same group. For example Prusa PLA and ColorFabb PLA will have a slightly different output
when printed.
To achieve the best possible output you should experiment with the nozzle temperature,
fan speed, print speed and flow. All of these can be changed even during a print from the
Tweak menu on the LCD panel.
The same idea also applies even for materials which are not listed here. Take the
manufacturer-suggested settings, find the closest match in Slic3r material profiles, modify
and save as new. Continue by printing a few simple test pieces and continuously use
the Tweak menu. After each improvement, don’t forget to modify the settings in Slic3r.
Reset the tweak values before every print.
Don’t forget to share your settings on our forums or directly with us.
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