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Product details
Purpose: This unit is used for blowing polyethylene heat shrink packaging film with HDPE, LDPE, LLDPE, MLLDPE, EVA as the main raw materials. Its film is widely used for packaging of beer, beverages, mineral water, canned food and other products; Packaging for plastic profiles, flooring, ceramic tile decorative materials, etc; Magnesia brick refractory materials, square brick building materials, bundled cotton and linen products, glass bottles and other goods are stored on pallets in protective packaging for storage and transportation.
Features: 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 structure of the quick replacement (or long-lasting replacement) device is reasonable, with 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. Equipped with horizontal cutting blades, vertical cutting blades, and continuous mechanical edge banding devices.
This unit can adjust the longitudinal and transverse shrinkage rate and shrinkage force of extruded film products according to the specific requirements of different packaging materials for film performance, maintain high tensile strength, and reduce film thickness and packaging costs.
| Unit model | SJRM45×30-850 | SJRM55×30-1100 | SJRM65×30-1300 | SJRM75×30-1600 | SJRM90×30-2500 |
| Screw diameter (mm) | φ45 | φ55 | φ65 | φ75 | φ90 |
| 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 | 30-120 | 30-100 | 30-100 |
| Main motor power (kw) | 15 | 30 | 37 | 55 | 90 |
| Maximum output (kg/h) | 50 | 75 | 110 | 160 | 200 |
| Product thickness (mm) | 0.02-0.15 | 0.02-0.15 | 0.02-0.18 | 0.02-0.20 | 0.05-0.20 |
| Product width (mm) | 800 | 1000 | 1200 | 1500 | 2400 |
| Total power of the unit (kw) | 30 | 50 | 70 | 100 | 150 |
| Dimensions (L × M × H) (m) | 5×3×4.8 | 6×3×5.5 | 8×3×6 | 8×4×8 | 9×5×11 |
| Unit weight (kg) | 3200 | 4800 | 6400 | 8800 | 12000 |
| Unit model | SJGM3 × 45 × 30 (three layers) 1100 |
SJGM3 × 55 × 30 (three layers) 2000 |
SJGM3 × 65 × 30 (three layers) 2500 |
| Screw diameter (mm) | Φ45 | Φ55 | Φ65 |
| Screw length to diameter ratio (L/D) | 30:1 | 30:1 | 30:1 |
| Screw speed (r/min) | 30-150 | 30-120 | 30-120 |
| Main motor power (kw) | 15×3=45 | 30×3=90 | 37×3=111 |
| Maximum output (kg/h) | 100 | 180 | 240 |
| Product thickness (mm) | 0.05-0.20 | 0.05-0.20 | 0.05-0.20 |
| Product width (mm) | 1000 | 1900 | 2400 |
| Total power of the unit (kw) | 92 | 170 | 200 |
| Dimensions (L × M × H) (m) | 8×5×6 | 9×6×10 | 10×7×12 |
| Unit weight (kg) | 7500 | 10400 | 14600 |
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