PET Injection Moulding Machines
Brief Introduction
WASHUN has involved with the PET Prefrom molding system since late 80th, According to the experience of the building the preform tools, The PET series Injection molding machine has been designed according to the property of WASHUN’s own preform moulds.WASHUNprovides the different options for our PET machine, such as the additional pressure holding system, the 25:1 PET screw with extended frame base, double pumps system for better plasticizing effect, two stage injection systems for faster cycle time and post cooling system for the preforms.

Features

* PLC Controller
The MG series use the latest control
technology. This high-performance control
system provides the ideal communication
between the injection molding machine and
the operator. The uniform operating concept
and logical, clear structure of the
functions make machine operation easy and
user-oriented.
* PET Injection Unit
Optimized special L/D 25:1 screw, requiring
a longer machine base, is driven by a high
output motor for dramatically improving the
plasticizing of the PET material to ensure
the quality of the PET pre-form. Increased
ejector force consistently ensures the
finished parts are automatically ejected.


* Clamping System
The optuimized kinematics of the proved
5-point toggle represent economical speed
and power processes. This allows high
sensitivity in the opening and closing
processes and protects injection moulds from
excessive wear and tear. The fast mold
closing device is optimized to shorten the
cycle time.
* Automatic Mould Height Adjustment
Unit
Automatic Mould-height adjustment by
hydraulic motor through the gears system
ensures fast and constant settings to
different mold height, achieve platen
parallelism and consistent tonnage. The
photocell detects function to insure the
high precision.


* Hydraulic System
The energy-saving hydraulics are fitted with
sound reduced and are made of high-quality
components. They allow much greater forces
to be transferred and enable very uniform
and precision movements of the machine.
The Models of The PET Injection Molding Machines
SPECIFICATION | MG-168PET | |
---|---|---|
INJECTION UNIT | ||
Screw Diameter | mm | 50 |
Screw L/D Ratio | L/D | 21 |
Shot Size (Theoretical) | cm3 | 353 |
Injection Weight(PET) | G | 458 |
Injection Rate | g/s | 170 |
Plasticizing Capacity | g/d | 25 |
Injection Pressure | Mpa | 136 |
Screw Speed | rpm | 0~150 |
CLAMPING UNIT | ||
---|---|---|
Clamp Tonnage | KN | 1680 |
Toggle Stroke | mm | 430 |
Space Between Tie Bars | mm | 460×460 |
Max. Mold Height | mm | 480 |
Min. Mold Height | mm | 180 |
Ejector Stroke | mm | 120 |
Ejector Tonnage | KN | 40 |
Ejector Number | Piece | 5 |
OTHERS | ||
---|---|---|
Max. Pump Pressure | Mpa | 16 |
Pump Motor Power | kw | 15 |
Heater Power | kw | 13.00 |
Machine Dimension(LxWxH) | M | 5.3×1.4×2.1 |
Machine Weight | T | 5.2 |
Hopper Capacity | kg | 25 |
Oil Tank Capacity | L | 250 |

Platen Dimensions Face

Platen Dimensions Side

Machine Dimensions
SPECIFICATION | MG-188PET | |
---|---|---|
INJECTION UNIT | ||
Screw Diameter | mm | 52 |
Screw L/D Ratio | L/D | 21 |
Shot Size (Theoretical) | cm3 | 509 |
Injection Weight(PET) | G | 661 |
Injection Rate | g/s | 156 |
Plasticizing Capacity | g/d | 30 |
Injection Pressure | Mpa | 146 |
Screw Speed | rpm | 0~195 |
CLAMPING UNIT | ||
---|---|---|
Clamp Tonnage | KN | 1880 |
Toggle Stroke | mm | 430 |
Space Between Tie Bars | mm | 510×460 |
Max. Mold Height | mm | 530 |
Min. Mold Height | mm | 180 |
Ejector Stroke | mm | 140 |
Ejector Tonnage | KN | 50 |
Ejector Number | Piece | 5 |
OTHERS | ||
---|---|---|
Max. Pump Pressure | Mpa | 16 |
Pump Motor Power | kw | 15 |
Heater Power | kw | 12.8 |
Machine Dimension(LxWxH) | M | 5.4×1.5×2.1 |
Machine Weight | T | 5.5 |
Hopper Capacity | kg | 25 |
Oil Tank Capacity | L | 280 |

Platen Dimensions Face

Platen Dimensions Side

Machine Dimensions
SPECIFICATION | MG-228PET | |
---|---|---|
INJECTION UNIT | ||
Screw Diameter | mm | 60 |
Screw L/D Ratio | L/D | 21 |
Shot Size (Theoretical) | cm3 | 636 |
Injection Weight(PET) | G | 826 |
Injection Rate | g/s | 273 |
Plasticizing Capacity | g/d | 49 |
Injection Pressure | Mpa | 147 |
Screw Speed | rpm | 0~180 |
CLAMPING UNIT | ||
---|---|---|
Clamp Tonnage | KN | 2280 |
Toggle Stroke | mm | 480 |
Space Between Tie Bars | mm | 510×510 |
Max. Mold Height | mm | 550 |
Min. Mold Height | mm | 200 |
Ejector Stroke | mm | 140 |
Ejector Tonnage | KN | 65 |
Ejector Number | Piece | 9 |
OTHERS | ||
---|---|---|
Max. Pump Pressure | Mpa | 16 |
Pump Motor Power | kw | 22 |
Heater Power | kw | 15.5 |
Machine Dimension(LxWxH) | M | 5.7×1.5×2.2 |
Machine Weight | T | 6.9 |
Hopper Capacity | kg | 50 |
Oil Tank Capacity | L | 320 |

Platen Dimensions Face

Platen Dimensions Side

Machine Dimensions
SPECIFICATION | MG-268PET | |
---|---|---|
INJECTION UNIT | ||
Screw Diameter | mm | 65 |
Screw L/D Ratio | L/D | 21 |
Shot Size (Theoretical) | cm3 | 836 |
Injection Weight(PET) | G | 1086 |
Injection Rate | g/s | 334 |
Plasticizing Capacity | g/d | 52 |
Injection Pressure | Mpa | 143 |
Screw Speed | rpm | 0~190 |
CLAMPING UNIT | ||
---|---|---|
Clamp Tonnage | KN | 2680 |
Toggle Stroke | mm | 550 |
Space Between Tie Bars | mm | 570×570 |
Max. Mold Height | mm | 600 |
Min. Mold Height | mm | 230 |
Ejector Stroke | mm | 150 |
Ejector Tonnage | KN | 65 |
Ejector Number | Piece | 9 |
OTHERS | ||
---|---|---|
Max. Pump Pressure | Mpa | 16 |
Pump Motor Power | kw | 30 |
Heater Power | kw | 17.9 |
Machine Dimension(LxWxH) | M | 6.4×1.6×2.3 |
Machine Weight | T | 8.0 |
Hopper Capacity | kg | 50 |
Oil Tank Capacity | L | 580 |

Platen Dimensions Face

Platen Dimensions Side

Machine Dimensions
SPECIFICATION | MG-288PET | |
---|---|---|
INJECTION UNIT | ||
Screw Diameter | mm | 70 |
Screw L/D Ratio | L/D | 21 |
Shot Size (Theoretical) | cm3 | 1058 |
Injection Weight(PET) | G | 1375 |
Injection Rate | g/s | 326 |
Plasticizing Capacity | g/d | 62 |
Injection Pressure | Mpa | 143 |
Screw Speed | rpm | 0~190 |
CLAMPING UNIT | ||
---|---|---|
Clamp Tonnage | KN | 2880 |
Toggle Stroke | mm | 550 |
Space Between Tie Bars | mm | 620×570 |
Max. Mold Height | mm | 640 |
Min. Mold Height | mm | 230 |
Ejector Stroke | mm | 190 |
Ejector Tonnage | KN | 80 |
Ejector Number | Piece | 9 |
OTHERS | ||
---|---|---|
Max. Pump Pressure | Mpa | 16 |
Pump Motor Power | kw | 30 |
Heater Power | kw | 21.2 |
Machine Dimension(LxWxH) | M | 6.5×1.6×2.3 |
Machine Weight | T | 9.1 |
Hopper Capacity | kg | 50 |
Oil Tank Capacity | L | 580 |

Platen Dimensions Face

Platen Dimensions Side

Machine Dimensions
SPECIFICATION | MG-328PET | |
---|---|---|
INJECTION UNIT | ||
Screw Diameter | mm | 75 |
Screw L/D Ratio | L/D | 21 |
Shot Size (Theoretical) | cm3 | 1506 |
Injection Weight(PET) | G | 1957 |
Injection Rate | g/s | 327 |
Plasticizing Capacity | g/d | 71 |
Injection Pressure | Mpa | 137 |
Screw Speed | rpm | 0~160 |
CLAMPING UNIT | ||
---|---|---|
Clamp Tonnage | KN | 3280 |
Toggle Stroke | mm | 670 |
Space Between Tie Bars | mm | 660×660 |
Max. Mold Height | mm | 680 |
Min. Mold Height | mm | 240 |
Ejector Stroke | mm | 160 |
Ejector Tonnage | KN | 90 |
Ejector Number | Piece | 13 |
OTHERS | ||
---|---|---|
Max. Pump Pressure | Mpa | 16 |
Pump Motor Power | kw | 37 |
Heater Power | kw | 21.5 |
Machine Dimension(LxWxH) | M | 6.9×1.7×2.5 |
Machine Weight | T | 12.0 |
Hopper Capacity | kg | 50 |
Oil Tank Capacity | L | 730 |

Platen Dimensions Face

Platen Dimensions Side

Machine Dimensions
SPECIFICATION | MG-368PET | |
---|---|---|
INJECTION UNIT | ||
Screw Diameter | mm | 75 |
Screw L/D Ratio | L/D | 21 |
Shot Size (Theoretical) | cm3 | 1635 |
Injection Weight(PET) | G | 2125 |
Injection Rate | g/s | 310 |
Plasticizing Capacity | g/d | 71 |
Injection Pressure | Mpa | 146 |
Screw Speed | rpm | 0~160 |
CLAMPING UNIT | ||
---|---|---|
Clamp Tonnage | KN | 3680 |
Toggle Stroke | mm | 670 |
Space Between Tie Bars | mm | 720×660 |
Max. Mold Height | mm | 750 |
Min. Mold Height | mm | 240 |
Ejector Stroke | mm | 180 |
Ejector Tonnage | KN | 90 |
Ejector Number | Piece | 13 |
OTHERS | ||
---|---|---|
Max. Pump Pressure | Mpa | 16 |
Pump Motor Power | kw | 37 |
Heater Power | kw | 20.50 |
Machine Dimension(LxWxH) | M | 7.5×1.85×2.25 |
Machine Weight | T | 12.8 |
Hopper Capacity | kg | 50 |
Oil Tank Capacity | L | 750 |

Platen Dimensions Face

Platen Dimensions Side

Machine Dimensions
SPECIFICATION | MG-398PET | |
---|---|---|
INJECTION UNIT | ||
Screw Diameter | mm | 80 |
Screw L/D Ratio | L/D | 21 |
Shot Size (Theoretical) | cm3 | 1689 |
Injection Weight(PET) | G | 2195 |
Injection Rate | g/s | 446 |
Plasticizing Capacity | g/d | 70 |
Injection Pressure | Mpa | 152 |
Screw Speed | rpm | 0~165 |
CLAMPING UNIT | ||
---|---|---|
Clamp Tonnage | KN | 3980 |
Toggle Stroke | mm | 700 |
Space Between Tie Bars | mm | 720×720 |
Max. Mold Height | mm | 800 |
Min. Mold Height | mm | 280 |
Ejector Stroke | mm | 160 |
Ejector Tonnage | KN | 110 |
Ejector Number | Piece | 13 |
OTHERS | ||
---|---|---|
Max. Pump Pressure | Mpa | 16 |
Pump Motor Power | kW | 37 |
Heater Power | kW | 26.2 |
Machine Dimension(LxWxH) | M | 7.3×1.9×2.5 |
Machine Weight | T | 15.7 |
Hopper Capacity | L | 50 |
Oil Tank Capacity | L | 750 |

Platen Dimensions Face

Platen Dimensions Side

Machine Dimensions
Ywashun machinery, the Professional PET Injection moulding machine supplier in China.
Note: PET Injection moulding machine is also known as PET Injection molding machines, plastic molding machines machines and plastic Injection moulding machine.