EB Series Electric Stretch Blow Moulding Machines
Brief Introduction
EB Series is the latest linear designed Electric Stretch Blow Moulding Machine developed after years of R&D by WASHUN . Thanks to the variable pitch unit, synchronized heating system and high speed clamping design, the 10 cavity machine makes 0.5L water bottles at 16,000BPH. The bottle production cost for the end of user by using the Electric stretch blow moulding machines is much less than traditional machine and rotary blow moulding machine.

Overview

* Precise controller
Large Touch Screen graphics interface with
access to and storage of all the parameters
for the control of the machine and heating
and blowing processes. Self diagnostics and
remote control withWASHUNcustomer support
are also provided in the latest version.
* Preform loading
system
Thanks to a continuous preform loading
system which is the same one used in Mega’s
rotary technology , high speed preform
loading requirements are met and are easy to
change at the feeding wheel for different
sized neck finishes.
* Preform pre-heater
Super small mandrel pitch makes the EB series consume less
power. This is the key to reducing bottle production costs
and increasing profit for the bottle producer. Efficient
oven cooling and cross ventilation systems prevent
crystallization, even for very thick perform walls.
* Variable pitch
system
A Servo motor driven variable pitch system
synchronizes with the preform mandrels. This
system reduces preform transfer times and
ensures reliable variable pitch changing.
Due to the wider preform distance after
changing pitch, the machine is able to
handle different size bottles.
* Toggle designed clamping
system
EB series electric stretch blow moulding
machine adopts a uniquely designed clamping
system with double sided pneumatic
compensation to ensure the mold remains
tightly closed during high pressure blowing
and guarantees a consistent quality parting
line on the bottle surface. No hydraulics
are used for clamping the part, this helps
the blow mold from wearing out over time and
provides easy maintenance.

Options
* PID system for heating
zone
An Infrared thermometer detects the
temperature of the preforms and
automatically adjusts the temperature of the
oven to the correct level. It avoids the
influence of the temperature difference
between day time and night time. Also, the
system can have an additional lamp alarm
unit, It soundswhen it detects any broken or
aging lamps.
* Air Recovery system
We know most of the production cost comes
from two factors, blowing the bottles and
reheating the performs . In order to reduce
the production cost for the bottler
producer,WASHUNhas introduced an Air
recovery system. This system recovers up to
30% of exhausted High pressure air.
* Air cooling system
Thanks to our GM Cai Yuansen , we have
developed an air cooling system for hot fill
PET bottles, after high pressure blowing,
air cooling is introduced. This reduces the
level of PET residual stress, and increases
the rate of PET crystallization. After the
air cooling process, the PET bottle can
stand hot filling without deformation.

Features
* Preform feeding system
1. Linear unscrambler is fixed on the top of the machine for
saving space.
2. Preform loading is continuous with high speed (the same
as our rotary machine )
3. quick change feeding wheel design.
* Advance heating system
1. Unique venting design for both lamps and preforms .
2. Cooling ramp to protect the neck of the preforms .
3. Closed loop system for the heating system
* Transfer of performs
1. Servo driven variable pitch system.
2. Easy design for the preform grips providing less change
over time
* Clamping system
1. Double side compensation.
2. Toggle clamp with self-lubricating graphite
bearings.
3. Synchronized horizontal and vertical movement
* Automation system
1. Top Brand electronic components.
2. Large touch screen that saves up to 30 sets of
data.
3. Remote control unit withWASHUNcustomer support service.
Bottle Samples
PET bottles produced by EB series machine:

CSD-500ml

Jar-1L

Detergen-750ml

Pharmacal-bottle120

Hot-fill-2L

Water-500ml
Specification
General Information | EB6 | EB8 | EB10 |
---|---|---|---|
Clamping Force | 54T | 84T | 106T |
Clamping Stroke | 130mm | 130mm | 130mm |
Max. Stretching Stroke | 370mm | 370mm | 370mm |
Bottom Moving Stroke | 10-70mm | 10-70mm | 10-70mm |
Number of Cavities | 6 Cavity | 8 Cavity | 10 Cavity |
Theoretical Output | 10000 BPH | 12800 BPH | 15500 BPH |
Mould Thickness | 320mm | 260mm | 260mm |
Electrical System | |||
---|---|---|---|
Voltage Standard | 380v/3PH/50Hz | or special order | — |
Number of Heating Zone | 6 Sections | 12 Sections | 14 Sections |
Total Power (Full Loaded) | 85KW | 165 KW | 185KW |
Container | |||
---|---|---|---|
Max. container Volume | 2.5L | 2.5L | 2.5L |
Neck Diameter Range | 32mm | 32mm | 32mm |
Max. Container Diameter | 100mm | 100mm | 100mm |
Dimension & Weight(L*W*H) | |||
---|---|---|---|
Blow molding machine | 4X2.1X1.9m | 7X2.1X2m | 7.8X2.1X2m |
Preform Autoloader | 2.2X1.5X2.5m | 2.2X1.8X2.5m | 2.5X2X3m |
Net Weight | 7.0Ton | 8.5Ton | 9.8Ton |
General Information | EBL2 | EBL3 | EBL4 |
---|---|---|---|
Clamping Force | 100T | 65T | 90T |
Clamping Stroke | 300mm | 220mm | 220mm |
Max. Stretching Stroke | 630mm | 400mm | 400mm |
Bottom Moving Stroke | 80mm | 30-70mm | 30-70mm |
Number of Cavities | 2 Cavity | 3 Cavity | 4 Cavity |
Theoretical Output | 20L recyclable: 500BPH | 2900 BPH | 3500 BPH |
20L one-time: 1000BPH | |||
Mould Thickness | 420mm | 350mm | 350mm |
Electrical System | |||
---|---|---|---|
Voltage Standard | 380v/3PH/50Hz | or special order | — |
Number of Heating Zone | 8 Sections | 8 Sections | 10 Sections |
Total Power (Full Loaded) | 203.5 KW | 120 KW | 145 KW |
Container | |||
---|---|---|---|
Max. container Volume | 20L | 5L | 5L |
Neck Diameter Range | 65mm | 46mm | 46mm |
Max. Container Diameter | 250mm | 180mm | 180mm |
Dimension & Weight(L*W*H) | |||
---|---|---|---|
Blow molding machine | 5×2.26×1.9m | 4.8X2.2X2m | 6.2X2.2X2m |
Preform Autoloader | 1.5×1.8×2.3m | 2.2X1.8X2.5m | 2.2X1.8X2.5m |
Net Weight | 11Ton | 7.5Ton | 8.5 Ton |
Remark: EBL is suitable for large size 5L container, EB is designed for the bottles up to 2.5L
Ywashun machinery, the Professional electric stretch blow moulding machine supplier in China.
Note: PET stretch blow molding machine is also known as Reheat stretch blow molding machines, Stretch blow molding machines and PET blow molding machine.