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

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

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

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

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

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

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