Shrink film packaging machines for large-scale automatic computer control rockwool technical parameters. Maximum packaging size L = 1200mm, W = 800, H = 400mm2. The packaging sleeve 3 the maximum weight of a single piece of packaging ≤ 60KG4. Packaging maximum speed of 1200 × 600 × 400 -7 packages / minute (calculated as bulk density 40 kg per pack = 11.52KG, 11.5KG 7 packets = 80.6KG 80.6KG 60 minutes × 0.7 efficiency ≈ 3400KG) packaging materials polyethylene (PE) a heat-shrinkable patch material 0.040.08mm6 the maximum size of the packing material W ≤ 1600mm, Φ ≦ 250 mm (diameter of the paper hearts ≧ 90mm) of packaging material shrinkage index lateral 8-15%, the longitudinal 65% 8 Packing material the melt index 0.25-0.39/10 minutes 9. sealing and cutting film temperature of 120 ℃ -160 ℃ 10. shrink packaging temperature 150 ℃ -190 ℃ 11. compressed air pressure ≧ 0.6Mpa/0.5 cubic / 1 minute 12 Dimensions 7000 * 3500 * 2200mm (L * W * H) 13 the main tunnel shrink tunnels size 1800 * 2000 * 600mm (L * W * H) Negative tunnel 1400 * 2000 * 600mm (L * W * H) 14 circulating fan duct. ..