NOVA eT (220-550 tonnes)

NOVA eT ALL ELECTRIC INJECTION MOULDING MACHINE SPECIFICATION

CLAMPING UNIT

• 5-point double toggle clamp
• Euromap platen configuration
• Hardened tie bars
• Electric motor with belt driven clamp movements
• Linear bearings for moving platen guidance and support
• Powered mold height control
• Automatic central lubrication system by means of electric pump
• Seven‐stage mold closing speed profile
• Seven‐stage mold opening speed profile
• Closed loop control of Mold closing and opening stages
• Digital reading of moving platen position displayed on operator interface
• Auto-adjustment of Mold height and clamping force
• Digital control and reading of cross‐head position on operator interface
• Digital reading of clamping force displayed on operator interface
• Electric servo motors for ejection
• Three stage ejection speed profile
• Ejection force control
• Digital reading of ejector position displayed on operator interface
• Ejector overlapped movement at opening
• Repeated ejection with stroke and speed control
• Ejector return signal
• Complete overlapping of three movements: mold opening, ejection, screw rotation

INJECTION UNIT

• Axial ball-screw injection drive system
• High speed, high load ball screws
• Injection unit sliding on linear bearings
• Electric drive for carriage movements
• General purpose screw profile, suitable for most types of thermoplastic materials
• Bimetallic barrel
• Injection unit driven by ball screws to assure perfect nozzle centering
• Ceramic energy saving heater bands
• Alarm threshold for set temperature range
• Injection speed and pressure profiles
• Switch to holding pressure triggered by screw position, hydraulic pressure or time
• Digital reading of screw position displayed on operator interface
• Adjustable screw rotation speed profile
• Screw rotation delay
• Adjustable back‐pressure profile
• Digital reading of back‐pressure displayed on operator interface
• Decompression before and after screw recovery
• Auto purge program

MOTORS AND DRIVES

• Fan cooled servo motors
• Temperature control for motors and drives
• Brushless motors with permanent magnets
• Independent motors and drives for mold, ejector, injection and plasticizing

ELECTRICAL SYSTEM

• Interlocked main switch to prevent electrical cabinet from being opened when press is energized
• Magneto thermal and static relays to control plasticizing cylinder heating
• Fan for air circulation in electrical cabinet
• Fully labelled electrical circuits

COOLING CIRCUIT

• Different solutions for cooling are available for the customers depending on specific requirements. Flow meters with adjustable independent circuits and water temperature and flow rate indication, or connections mounted on platens are available

BASE

• Part discharge outlet accessible on three sides
• Anti-vibration mounting pad holes
• Lubricating grease recovery unit

SAFETY DEVICES

• Constructed in compliance to essential requirements of Machinery Directive 2006/42/CE and subsequent amendments
• All models CE certified by an European certification organization
• Devices comply to European Standard EN 201 and ANSI/SPI B151.1-2007
• Mold area protection with safety PLC and drive motor safe torque off.
• Monitoring of correct operation of all safety devices
• Interlocked nozzle purge guard

TACTUM ELECTRONIC CONTROL

• Integrated industrial PC complete with Varan communication system
• Multi Touch screen color monitor
• IP52 protection
• Integral keyboard
• Dedicated display area for viewing of main process parameters
• Password and data input lock-out key
• Multiple language capability (E.g. Italian/Spanish/English)
• Hour counter
• Perpetual clock
• Page with press technical specifications
• Cycle times with sequence alarm page
• Seven-stage mold closing with both speed and position adjustment
• Fully adjustable mold safety features and fine tuning
• Seven-stage mold opening with both speed and position adjustment
• Closed loop control of mold opening position
• Cooling timer
• Screw and mold maintenance page
• Lubrication cycles
• Clamping force readout
• Multi-stroke ejector
• Three ejection speed steps
• Partial return stroke during repeated ejection
• Adjustable ejector force for all movements.
• Interlocking of ejector, air blow and core pulling
• Closed loop speed control for injection stage
• Closed loop pressure control for holding stage
• 10-Stage injection speed control with selectable number of stages
• Switching to holding pressure by time, pressure or screw position
• 4-Stage holding pressure control with selectable number of stages
• Screw decompression before and after screw recovery
• Three-stage closed loop screw rotation speed control with selectable number of stages
• Three-stage closed loop backpressure control with selectable number of stages
• Program to automatically calculate the required shot size according to material type and part weight
• Cylinder temperature PID control
• Self-tuning program for cylinder temperature control
• Quality control with direct display of the previous cycles
• Production control program
• High resolution graphics for real pressures, screw speed, screw position
• Set points displayed
• Real machine status (analog inputs and outputs) at time fault occurred
• Events history with possibility to view last events regarding faults, shutdowns, and changes made to parameters
• Diagnostics page for digital inputs, analog inputs and analog outputs
• Internal archive for 500+ molds
• Parallel interface and USB port for printer

AVAILABLE MACHINE OPTIONS FOR NOVA eT

• Integrated Hydraulic Power Pack with Variable Speed Motor for Core Pulling Functions
• Core Pull MP/FP
• Air Blast MP/FP
• E67 Robot Interface
• Special Screw (Wear Resistant, Corrosion Resistant, Mixing, Barrier, Low Compression, etc.)
• Special Barrel (Corrosion Resistant, High Wear Resistant)
• Barrel Liner
• Special Tip Design
• Extended Nozzle Body
• Additional Nozzle Zone
• Mold Valve Gate Hydraulic
• Mold Valve Gate Pneumatic
• Pneumatic Shut-Off Nozzle – Pin
• Transformer(s)
• Integrated Hot Runners
• Gas Injection Interface
• Data Logging Interface
• RJG Process Monitoring Interface
• Special Paint
• Additional Flowmeters
• Closed Loop Feed Throat Cooling
• 100 mm Increased Mold Height
• LSR Kit
• Power Outlet(s)
• Color Dosing Feed Signal
• Photocell
• Directional Parts Chute
• Magnetic Platens
• AMICO 4.0 System Services

NOVA eT END MARKET APPLICATIONS

• Food & Beverage
• Containers
• Electronic & Telecomm
• Closures
• Automotive
• Construction
• Industrial
• Appliance
• Household
• Aerospace
• General Small Size Parts
• General Medium Size Parts