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EC Series

EC Series
(100-330 Ton)

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

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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

  1. Linear transducer for clamping
  2. Linear transducer for ejector
  3. Safety interlock(mechanical &electric)
  4. Automatic lubrication for toggle system
  5. Manual grease lubricated for moving platen support leg
  6. Robust clamping structure
  7. High speed clamping function
  8. Enlarge clamping force
  9. Strengthened clamping hydraulic system
  10. Automatic mould height adjustment function
  11. Robustness self lubrication strip under the moving platen
  12. Self lubrication tie bar bushing
  13. Moving platen with dust ring
  14. T-Slot mould platen design
  15. Ejector mode(4 choice)

Injection Unit

  1. Linear transducer for injection, linear transducer for carriage
  2. Standard with nitrated screw
  3. 24:1 L/D ratio
  4. Titanium plated tip set
  5. Injection carriage check valve
  6. Movable hopper
  7. Barrel protection cover
  8. Purge guard
  9. Heater on/ off switch (software)
  10. 10 stages injection, 10 stages holding pressure
  11. 5 stages plasticizing setting, 5 stages decompression
  12. Dropping prevention function
  13. Auto purging function
  14. Automatic detection of injection failure
  15. Real time injection process curve display
  16. Screw cold start protection

Electrical Unit

  1. B&R control system
  2. 10.4" TEF touch panel with motion animation display
  3. P.I.D. temperature control
  4. Screw rotating speed display
  5. Voltage 380v, 50HZ, 3PH
  6. Electric safety interlock
  7. Rear emergency button
  8. Pressure sensor
  9. Robot interface
  10. Automatic fault detection
  11. Production counter
  12. Production photo sensor
  13. 220v socket ¡Á1 set
  14. 380v 16A socket ¡Á1 set
  15. 380v 32A socket ¡Á1 set
  16. Hydraulic oil temperature display and alert alarm
  17. Even those clamping transducer is installed on clamping cylinder, position of movable platen can be displayed
  18. Closed-loop control in injection, plasticization holding pressure and back pressure

Hydraulic Unit

  1. Semi closed-loop proportional hydraulic system with load sensing feature
Cosmos Machinery Ltd.
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