Usage: Used for blowing packaging films made from LDPE, HDPE, LLDPE, mLLDPE, EVA, PP as raw materials. Its film has the following advantages: good barrier properties, insulation, moisture resistance, rain resistance, wind resistance, frost resistance, oxygen barrier, oil resistance, anti slip and other special properties. It can be widely used for the storage, transportation, refrigeration, preservation, and anti-corrosion packaging of various fresh vegetables, fruits, and meat products; Packaging for fresh milk, liquid beverages, and other products; Thermal insulation and anti slip packaging for rubber tires and other products; Anti blocking heavy-duty packaging bags for commodities such as grain and chemical granules; Anti static and anti-aging outer packaging for clothing and textile products, light industrial products, electronic products, etc; Appearance protective film for aluminum-plastic profiles, metal sheets, glass sheets, furniture products, cars and other products.
Configuration and Function: The extruder barrel and screw are made of high-quality alloy steel, which has undergone nitriding treatment and precision machining, and is wear-resistant, corrosion-resistant, and has a long service life. The rapid network replacement device has a reasonable structure, good sealing performance, fast and convenient operation, and safe and reliable operation. Configure a thin film length measuring device and separate monitoring devices for the working melt pressure of each unit to ensure constant pressure operation of each unit. The intelligent temperature control device is accurate and reliable, saving energy. Adopting rubber roller friction winding, automatic tension control mechanism, and matching mold rotation (or upward traction rotation) to ensure smooth and neat operation of the film winding process. The main motors of each group of extruders are controlled by inorganic frequency conversion independent speed regulation (or centralized unified speed regulation), and equipped with hard tooth surface reducers to improve the working efficiency of the unit and achieve higher control accuracy of the products. Optional patented products: automatic recycling mechanism for waste edge strips and continuous mechanical edge strip device.
| Unit model | SJGM2 × 45 × 30 (two-layer) 1100 |
SJGM2 × 65 × 30 (second floor) 1800 | SJGM3 × 45 × 30 (three layers) 1300 |
SJGM3 × 55 × 30 (three layers) 2200 |
SJGM3 × 65 × 30 (three layers) 2500 |
| Screw diameter (mm) | Φ45 | Φ65 | Φ45 | Φ55 | Φ65 |
| Screw length to diameter ratio (L/D) | 30:1 | 30:1 | 30:1 | 30:1 | 30:1 |
| Screw speed (r/min) | 30-150 | 30-120 | 30-150 | 30-120 | 30-120 |
| Main motor power (kw) | 15×2=30 | 37×2=74 | 15×3=45 | 30×3=90 | 37×3=11 |
| Maximum production capacity (kg/h) | 70 | 160 | 100 | 180 | 240 |
| Product thickness (mm) | 0.02-0.20 | 0.02-0.20 | 0.05-0.20 | 0.05-0.20 | 0.05-0.20 |
| Product width (mm) | 800 | 1000 | 1200 | 1500 | 2400 |
| Dimensions (L × M × H) m | 7×4×5 | 8×5×8 | 8×5×6 | 9×6×10 | 10×7×12 |
| Total weight of the unit (kg) | 5200 | 9500 | 7500 | 10400 | 14600 |
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