Injection Machines for 72 Cavities Pet Preform MouldDemark 72 cavities pet preform injection molding machine uses a new part cooling and handling system, which features: 1. Cooling on the inner surface of the preform without using compressed air, unlike most post-mold cooling systems which only cool the outer surface 2. Optimized cycle utilization being mounted on the moving platen, the cooling system remains active for up to 85% of the overall cycle.Demark pet preform injection molding systems are available from 280 to 500 tonnes (2800 to 5000 kN) and up to 72 cavities.Demark pet injection systems offer: 1. Faster cycles 2. Reduced energy consumption 3. Smaller footprint 4. Improved repeatability 5. Rapid set-up
Features: 1. Two state plasticizing enables plenty injection quantity; 2. Take out plate with three working position insures sufficient cooling time and shorter cycle time; 3. High quality parts and accessories from world famous brands enable higher speed and precision; 4. Special screw design increases torque while brings down shear force to avoid degradation; 5. Accumulator from world reputable manufacture increases performance while brings down power consumption;
Reflex PlatensReflex platens distribute clamp force evenly across the platen face.Reflex platens: 1. Allow for 10-30% lower clamp tonnage 2. Decrease mold wear 3. Improve part quality Injection Unitsdemark systems offer both reciprocating screw (RS) and two-stage injection units. RS units offer the performance required for many PET applications while two-stage is appropriate for higher throughput applications. Polaris ControlsPC-based controls manage all functions of our PET production systems, with optional packages to integrate auxiliaries and downstream part handling equipment. Advantages include: 1. Faster cycle times 2. Improved shot-to-shot repeatability 3. Remote connectivity through ServiceNetLink 4. Control of molding system and auxiliaries from a single interface Linear BearingsLinear bearings support the moving platen directly on the machine base. This design reduces mold wear by improving platen alignment and perpendicularity, and provides a grease free molding environment.
Technical Parameter:
ITEM | UNIT | DMK-PET72A | DMK-PET72B | |
INJECTION UNIT | Screw L/D Ratio | L/D | 25 | 25 |
Screw Diameter | mm | 120 | 140 | |
Injection Pressure | Kgf/cm2 | 875 | 875 | |
Output(Max) | Pcs/h | 23000 | 23000 | |
Theory Shot Volume(Max) | cm | 3800 | 5400 | |
Shot Weight(PS) | g | 4560 | 6500 | |
ozs | 161 | 230 | ||
CLAMPING UNIT | Clamping Force | T | 500 | 500 |
Clamping Stroke | mm | 680 | 680 | |
Max/Min Thickness of Mould | mm | 300~820 | 300~820 | |
Space Between Tie Bars (WxH) | mm | 820~820 | 820~820 | |
Ejector Stroke | mm | 200 | 200 | |
Ejector Force | T | 21 | 21 | |
NO.of Ejector Pins | PCS | 13 | 13 | |
Max Pressure of System | Kg/cm2 | 140 | 140 | |
MOULD&ROBOT | Cavity(Max) | PCS | 72 | 72 |
Neck of Bottle(Max) | mm | 42 | 42 | |
Length of Preform(Max) | mm | 220 | 220 | |
Weight of Preform(Max) | g | 35 | 50 | |
Type of Mould | Needle Valve of No-Cutting PET Preform Molds | |||
Manipulator | Cavity | 72x3 | 72x3 | |
Cooling Form | Cavity | 216 | 216 | |
POWER UNIT | Pump Motor Power | KW | 25 | 25 |
Robot Power | KW | 25 | 25 | |
Mould Heater Capacity | KW | 68 | 68 | |
Heater Input Capacity | KW | 87 | 87 | |
Total Power | KW | 325 | 325 | |
OTHER | Electric Power Supply(3-phase AC) | V/HZ | 380/50 | 380/50 |
Chilling Water | °C | 5~15 | 5~15 | |
Mpa | 0.6 | 0.6 | ||
L/min | 800 | 900 | ||
Coolling Water | °C | 30~55 | 30~55 | |
Mpa | 0.25 | 0.25 | ||
L/min | 300 | 300 | ||
Compressed Air | Mpa | 0.7~0.9 | 0.7~0.9 | |
L/min | 1200 | 1200 | ||
Machine Size (LxWxH) | mm | 9765x4547x2350 | 9765x4547x2350 |
72 Cav Pet Preform Injection Molding Machines,2 Screw,Rebot,8.5S