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pet preform injection molding machine

 Product Name:72 Cav-PET Preform Machine Injection Molding Machines
 Model No.:DMK-PET72A, DMK-PET72B
 Place of Origin:Zhejiang China
 Trademark:DEMARK
 Delivery Date:2 Months
 Packing:Wooden Case
 Transportation:By Sea
 Function:For Manufacturing Pet Preform
 Payment Type:T/T or L/C
 Certificates:CE, ISO9001

Demark 72 cavities pet preform injection molding system@(injection molding system@injection moulding machine@injection moulding system@) 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 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 Platens
Reflex 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 Units
demark 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 Controls
PC-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 Bearings
Linear 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
:

 

TYPE DMK-PET72A DMK-PET72B
INJECTION UNIT Screw L/D Ratio L/D 25 25
Injection Pressure Kgf/C 875 875
Machine Size(LxWxH) mm 11080×4400×2500 11080×4400×2500
Theory Shot Volume(Max) 2905 4069
Shot Weight(PS) g 3486 5426
ozs 123 191
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/C 140
INJECTION MOULD Cavity (Max) PCS 72 72
Neck of Bottle (Max) mm 42 42
Length of Preform(Max) mm 220 220
Weight of Preform(Max) g 30 45
Form of Mould  Pneumatic pin-valve gate hot-runner
POWER UNIT Pump Motor Power KW 130 130
Robot Power KW 14 14
No.of Heater Zones(0~400) set 73+13 73+13
Heater Input Capacity .KW 58 62
Mould Heater Capacity KW 70 70
Auto Manipulator Manipulator Cav 216 216
Cooling Form Cav 216 216
OTHER REQUEST Electric Power supply
(3-phase AC)
V 380 380
KW 235 245
Chilling Water 5~15 5~15
Mpa 0.45 0.45
L/min 400 400
Cooling Water 30~55 30~55
Mpa 0.25 0.25
L/min 200 200
Compressed Air Mpa 0.7~0.9 0.7~0.9
L/min 1200 1200
Compressed Air (Max) Pcs/h 23000 23000

Keywords: preform machine, pet preform injection molding machine, preform making machine

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