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 mould height control
• Automatic central lubrication system by means of electric pump
• Seven‐stage mould closing speed profile
• Seven‐stage mould opening speed profile
• Closed loop control of Mould closing and opening stages
• Digital reading of moving platen position displayed on the operator interface
• Auto-adjustment of Mould height and clamping force
• Digital control and reading of cross‐head position on the operator interface
• Digital reading of clamping force displayed on the operator interface
• Electric servo motors for ejection
• Three stage ejection speed profile
• Ejection force control
• Digital reading of ejector position displayed on the operator interface
• Ejector overlapped movement at opening
• Repeated ejection with stroke and speed control
• Ejector return signal
• Complete overlapping of three movements: mould 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 centring
• 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 the operator interface
• Adjustable screw rotation speed profile
• Screw rotation delay
• Adjustable back‐pressure profile
• Digital reading of back‐pressure displayed on the 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 mould, ejector, injection and plasticising

ELECTRICAL SYSTEM

• Interlocked main switch to prevent the electrical cabinet from being opened when press is energised
• Magneto thermal and static relays to control plasticising cylinder heating
• Fan for air circulation in the 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 with essential requirements of Machinery Directive 2006/42/CE and subsequent amendments
• All models CE certified by a European certification organisation
• Devices comply to European Standard EN 201 and ANSI/SPI B151.1-2007
• Mould 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 colour 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 mould closing with both speed and position adjustment
• Fully adjustable mould safety features and fine tuning
• Seven-stage mould opening with both speed and position adjustment
• Closed loop control of mould opening position
• Cooling timer
• Screw and mould 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 the 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+ moulds
• 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
• Mould Valve Gate Hydraulic
• Mould 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 Mould Height
• LSR Kit
• Power Outlet(s)
• Colour Dosing Feed Signal
• Photocell
• Directional Parts Chute
• Magnetic Platens
• AMICO 4.0 System Services

NOVA eT END MARKET APPLICATIONS

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