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| EC
Series |
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EC
Series
(100-330 Ton)

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| Welltec Ec series is specially designed for the thin-wall
Ec220, Ec369 and fast cycle injection molding products. Welltec
has already launch four model of this machine series the new
Ec100 and Ec 160 model, Ec 100 can produce one (500cc/650cc)
rectangular lunch box with 0.45mm thickness per machine cycle,
Ec 160 can produce either one (700cc/750cc/1000cc)per machine
cycle or two (650cc)with 0.45mm thickness rectangular lunch
boxes per machine cycle. Main
feature
- The new EC series is equipped with the special design
clamping hydraulic system, it will increase the clamping
speed as well as the overall machine stability. The machine
life time and reliability are enhanced by the following
design feature strengthened toggle system, automatic centralized
high pressure lubrication system, self lubrication support
platen for movable platen and automatic tie bar lubrication.
- Strengthened injection system design with low fiction
special design sealing system which increases the injection
speed ,24:1L/D ratio double threads screw and titanium plated
tip set,closed-loop back pressure control system increase
the molding precision and repeatability. This new designed
system assures the fast plasticizing speed ,quality and
fast cycle. Standard injection carriage check valve enhances
the production stability and increase the product precision.
- The standard machine equipped with European B&R control
system with closed-loop injection control feature, highest
reliability 10.4¡±color LCD display, P.I.D barrel temperature
control, automatic fault announcement are designed for the
user-friendly interface between the machine and the operator.
- All control devices are all from well-known brands supplier,
with semi closed-loop proportional pressure and flow control
valve reinforce the molding precision. Electrical, Hydraulic
and Mechanical safety interlock Safety devices are included
as standard to provide maximum protect for user.
- Standard machine is equipped with 16 sets cooling water
inlet / outlet (Ec 160) and 2sets of air blast which satisfy
the different molding requirements
Standard feature
- Linear transducer for clamping
- Linear transducer for ejector
- Safety interlock(mechanical &electric)
- Automatic lubrication for toggle system
- Manual grease lubricated for moving platen support leg
- Robust clamping structure
- High speed clamping function
- Enlarge clamping force
- Strengthened clamping hydraulic system
- Automatic mould height adjustment function
- Robustness self lubrication strip under the moving platen
- Self lubrication tie bar bushing
- Moving platen with dust ring
- T-Slot mould platen design
- Ejector mode(4 choice)
Injection Unit
- Linear transducer for injection, linear transducer for
carriage
- Standard with nitrated screw
- 24:1 L/D ratio
- Titanium plated tip set
- Injection carriage check valve
- Movable hopper
- Barrel protection cover
- Purge guard
- Heater on/ off switch (software)
- 10 stages injection, 10 stages holding pressure
- 5 stages plasticizing setting, 5 stages decompression
- Dropping prevention function
- Auto purging function
- Automatic detection of injection failure
- Real time injection process curve display
- Screw cold start protection
Electrical Unit
- B&R control system
- 10.4" TEF touch panel with motion animation display
- P.I.D. temperature control
- Screw rotating speed display
- Voltage 380v, 50HZ, 3PH
- Electric safety interlock
- Rear emergency button
- Pressure sensor
- Robot interface
- Automatic fault detection
- Production counter
- Production photo sensor
- 220v socket ¡Á1 set
- 380v 16A socket ¡Á1 set
- 380v 32A socket ¡Á1 set
- Hydraulic oil temperature display and alert alarm
- Even those clamping transducer is installed on clamping
cylinder, position of movable platen can be displayed
- Closed-loop control in injection, plasticization holding
pressure and back pressure
Hydraulic Unit
- Semi closed-loop proportional hydraulic system with load
sensing feature
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