SERVO 09.2013 39
Bed adhesion is super critical when printing with ABS
since some printers use a brute force method in order to
overcome warping. The Afinia uses a perforated board with
a thick wide raft brute force approach. The first layer of the
raft is printed very thick and will sink into the small
perforated holes. Thinner interface layers are then printed,
then finally, the part itself. This method is extremely
effective on small prints like those shown in Figure 6.
On larger prints, however, the warping can transfer itself
to the perforated board as shown in Figure 7.
To put it frankly, ABS stinks as it is printed. While quick
small prints are not so much of a problem, doing a large
print can stink up your house.
ABS Bed Adhesion
If you are not using an Afinia 3D printer, the best way
to get ABS to stick to the heated bed is with Kapton tape.
Kapton tape comes in rolls like those shown in Figure 8.
The tape is placed on the heated bed in strips. Figure 9
shows an 8" x 10" piece of glass with five strips of 2" tape
applied to it. The glass is then placed on a heated bed (in
this case, a Makergear M2) and heated to 110 degrees
Celsius as shown in Figure 10.
FIGURE 6. FIGURE 7.