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Energy Saving
The plasticizing screw is directly driven by a servo motor through a reduction gearbox, which can save energy by 15-25% compared with the hydraulic system, avoiding double loss of oil pump and volumetric efficiency of oil motor, as well as the pressure loss of hydraulic hoses.
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Synchronization The plasticizing process is synchronized with mold opening, shortening the cycle of products molding. (Should be supported by needle valve hot runner mold) |
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Responsive Directly driven by a servo motor, the plasticizing process has low inertia and fast response.
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Stability Stable screw speed and precise plasticizing volume without hydraulic pulse effects. |
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– OTHER SYSTEMS –
| Centering Bearing for Injection Table | Clamping Unit | |
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| The injection tail platen has an a centering bearing, in addition to the standard positioning bearing, that improves the plasticizing positioning, reduces radial runout, and increases the longevity of the screw assembly and bearing. | We rigorously test the parallelism of the movable and fixed platens and the uniformity of clamping force on four tie bars. | |
| Screw Tip Assembly | Screws for Plasticizing | |
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| A.High-hardness plated screw tip assembly makes the residue easy to clean, the products less black spots and impurities, and the screw more corrosion-resistant. B.The screw tip assembly is made of alloy to ensure durability and precise non-return control. |
A.The professional design of screw assembly ensures uniform plastic melt density and repeatable physics and weight of products. B.The screws’ compression ratio and L/D ratio are specifically designed to fully cut and mix raw materials and to minimize the discrepancy between the set temperature and the actual internal temperature during plasticization . |
DR-PET Electric Plasticizing Preform Injection Molding Machines Parameter
| Model | Unit | DR480-PET | DR560-PET | DR650-PET | |||||||
| International Standard Model | 3250/4800 | 5275/4800 | 6630/4800 | 9240/4800 | 5275/5600 | 6630/5600 | 9240/5600 | 6630/6500 | 9240/6500 | ||
| Injection Unit | |||||||||||
| Screw Diameter | mm | 95 | 100 | 110 | 120 | 130 | 110 | 120 | 130 | 120 | 130 |
| Screw Draw Ratio | L:D | 24:1 | 24:1 | 24:1 | 25:1 | 25:1 | 24:1 | 25:1 | 25:1 | 25:1 | 25:1 |
| Injection Volume | cm3 | 3046 | 3376 | 4797 | 6443 | 8889 | 4797 | 6443 | 8889 | 6443 | 8889 |
| Injection Weight(PET) | g | 3535 | 3917 | 5566 | 7476 | 10313 | 5566 | 7476 | 10313 | 7476 | 10313 |
| oz | 123.7 | 137.1 | 194.8 | 261.7 | 361.0 | 194.8 | 261.7 | 361.0 | 261.7 | 361.0 | |
| Injection Speed | mm/s | 130 | 130 | 100 | 87 | 93 | 100 | 87 | 93 | 109 | 93 |
| Injection Rate | cm³/sec | 921 | 1021 | 950 | 983 | 1234 | 950 | 983 | 1234 | 1232 | 1234 |
| Injection Pressure | Mpa | 107 | 97 | 110 | 103 | 104 | 110 | 103 | 104 | 103 | 104 |
| Injection Stroke | mm | 430 | 430 | 505 | 570 | 670 | 505 | 570 | 670 | 570 | 670 |
| Screw Speed | rpm | 125 | 125 | 125 | 125 | 100 | 125 | 125 | 100 | 125 | 100 |
| Clamping System | |||||||||||
| Clamping Force | kN | 4800 | 5600 | 6500 | |||||||
| Clamping Stroke | mm | 770 | 835 | 920 | |||||||
| Max Platen Opening | mm | 1590 | 1685 | 1830 | |||||||
| Min-Max Mold Thickness | mm | 275-820 | 330-850 | 350-910 | |||||||
| Dist. between Tiebars | mm | 830×810 | 855×855 | 930×930 | |||||||
| Platen Dimension | mm | 1175×1155 | 1210×1210 | 1340×1340 | |||||||
| Diameter of Mold Positioning Hole | mm | Φ200H8 | Φ200H8 | Φ200H8 | |||||||
| Ejector Force | kN | 289 | 289 | 289 | |||||||
| Ejector Stroke | mm | 250 | 250 | 265 | |||||||
| Ejector Pin Quantity | pcs | 13 | 13 | 13 | |||||||
| Power Unit | |||||||||||
| System Pressure | Mpa | 17.5 | 17.5 | 17.5 | |||||||
| Oil Pump Motor | kW | 75 | 60+60 | 75 | 60+60 | 60+60 | |||||
| Plasticizing Motor | kW | 85 | 85 | 98 | 106 | 115 | 98 | 106 | 115 | 106 | 115 |
| Heating Power | kW | 49.3 | 51.8 | 59.7 | 68.0 | 73.7 | 59.7 | 68.0 | 73.7 | 65.1 | 73.7 |
| Temperature Control Zone | section | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| General | |||||||||||
| Oil Tank Capacity | L | 600 | 700 | 700 | 700 | ||||||
| Machine Weight | Tons | 18.2 | 18.4 | 19.2 | 20.2 | 22.2 | 21.1 | 22.2 | 23.7 | 28.2 | 30.3 |
| Overall Dimension (L×W×H) | mxmxm | 8.8×1.82× 2.19 | 8.9×1.82× 2.19 | 9.3×1.82× 2.19 | 9.7×1.82× 2.19 | 9.7×1.82× 2.19 | 9.5×1.95× 2.19 | 9.9×1.82× 2.19 | 10.3×1.82× 2.19 | 10.6×1.96× 2.67 | 11.1×1.96× 2.67 |
