1. Tips to size a granulator
Which grinding technology for each material ?
Thermoplastic can be re-melted up to 7 times before the properties become too poor
A maximum of 30% regrind is usually recommended so that the mechanical properties of the new material are not significantly affected

2. Tips to size a granulator
Dimensions of the sprue versus the cutting chamber
The sprue is too large The sprue is well sized
Dimensions are < 20% versus the cutting chamber

3. Tips to size a granulator
Free fall into the feeding hopper
The sprue is too long, The sprue is too high, The sprue is well sized,
cannot fall is blocked free fall

4. Tips to size a screenless granulator
X-shaped, H-shaped or nested sprues
The axis of the sprue is too high, The axis of the runner is < 75 mm
won’t be grabbed by the breaker knife Sprues will be grabbed and cut
will roll on the toothed rollers

5. Tips to size a screenless granulator
X-shaped, H-shaped or nested runners and flat parts
Feeding shaft (optional)
Elongated hooks pre-cut the plastic parts/runners
and push them into the cutting chamber for a regular grinding

6. Tips to size a conventional blade granulator
Cutting chamber and clearance inside the hopper
 Model
Cutting chamber
Clearance
G-Max 12
 169 x 198 mm
 145 mm
G-Max 23
 310 x 235 mm
 190 mm
G-Max 33
 460 x 235 mm
ML 33
 300 x 300 mm
 300 mm

7. Tips to size a screenless granulator
Cutting chamber and clearance inside the hopper
 Model
Cutting chamber
Clearance
S-Max 2
 240 x 249 mm
 165 mm
S-Max 2 Plus
 240 x 346 mm
 265 mm
S-Max 3
 240 x 467 mm
JUNIOR DOUBLE 4
 530 x 346 mm
 345 mm
JUNIOR DOUBLE 6
 530 x 467 mm
 460 mm
JUNIOR DOUBLE 8
 530 x 588 mm
 585 mm