 
                                                                                           Therefore, the conveyor belt cannot be installed to automatically send the sand core out of the machine, so the sand core must be taken manually.
| Model | KKB-440 | KKB-540 | KKB-550 | 
|---|---|---|---|
| Core Box Size (L x H x W) | 450 x 400 x 250 mm | 500 x 400 x 250 mm | 550 x 400 x 300 mm | 
| Max. Core Size (L x H x W) | 370 x 380 x 200 mm | 420 x 380 x 200 mm | 470 x 380 x 250 mm | 
| Operation Mode | Manual/Single Cycle/Auto Cycle | ||
| Production Speed | 40 ~ 70 seconds/cycle, depends on size and shape of products | ||
| Heating Type | LPG or Electrical | ||
| Max. Blowing Capacity | 15-25 kgs | 15-25 kgs | 15-30 kgs | 
| Sand Storage Capacity | 200-300 kgs | ||
| Operation Pressure | 5-6 kgs/cm² | ||
| Sand Blowing Pressure | 1-4 kgs/cm² | ||
| Weight | 2600 kgs | 2700 kgs | 2800 kgs | 
| Dimension | 2010 x 3340 x 2850 mm | 2010 x 3340 x 2850 mm | 2010 x 3340 x 2850 mm |