OVALMATIC
MODEL
E8700
UNITYER®
The model E8700 Unityer® uses AC Vector Drive technology for tying functions while side and top compacting functions are powered by a small off-board HPU. The E8700 is based on the venerable E9700 product line and shares many common parts.
Features and Benefits
ALL ELECTRIC WIRE TYING FUNCTIONS
Minimize hydraulic functions
TRACK
Proven low friction passive track design
AC VARIABLE FREQUENCY DRIVES
Closed loop control for Twister and Feed/Tension Unit gear motors
ON-BOARD PLC
HMI (Touchscreen) with built in diagnostics
Safe 24 Volt DC control with E-Stop and motor control relay
OPEN DESIGN
Allows easy access for inspection and maintenance
TWISTER HEAD
All functions are cam and gear driven
NO TWISTER HEAD ADJUSTMENT
Standard Specifications
TYING WIRE RECOMMENDED
Ovalmatic® Quality Unitizing Wire
ELECTRICAL SERVICE
380-575 VAC, 3PH, 50/60 Hz. WYE with solid ground, 7.5KVA supply.
A transformer may be required.
Excluding conveyor and hydraulic unit power requirements.
ELECTRICAL MOTORS
Feed/Tension. 3.7 kW (5 HP) NORD gear motor with de-centralized VFD
Twister Head. 1.5 kW (2 HP) NORD gear motor with de-centralized VFD
Conveyor Drive. (2) 1.5 kW (2 HP) 380-575 VAC 3PH, 50/60Hz reversible gear motor
Hydraulic Unit. 11.5 kW (15 HP) NORD pump motor
Optional. 1.5 kW Tank heater
All motors are supplied with equipment.
Motor Control: Nord de-centralized drives.
Motor starters or variable frequency drives for conveyors, hydraulic units and contractor for optional tank heater, are customer supplied.
ELECTIRCAL INTERLOCKS
Discrete I/O
Optional. Ethernet. Profibus.
ELECTRICAL CONTROL
Standard PLC. Allen Bradley Control Logix and Maple Systems HMI
Optional PLC. Siemens 1200 Series with Maple Systems HMI
Control Voltage. 24 VDC
ELECTRICAL COMPONENTS
All components meet CE/UL/CSA standards.
ELECTRICAL WIRING
Proximity Switches with Connectors. 0.21-0.33mm² (24-22 AWG) stranded cable
Standard. 0.52-3.31 mm² (20-12 AWG) stranded cable
Primary. 5.26mm² (10 AWG) stranded cable
PNEUMATICS
Required for auto air blast.
5.5-6.9 Bar, 57 L/min. (80-100PSIG, 2 SCFM)
Air supply must be clean and dry.
Optional. Wire Lubricator.
Optional. Twister Pinion Lubricator.
MACHINE WEIGHT
6,800 kg (15,000 lbs.)
MACHINE HEIGHT
3,825 mm (150.6 in.) standard at 508 mm (20 in.) minimum conveyor height
MACHINE WIDTH
4,775 mm (188 in.)
HYDRAULICS
Self contained hydraulic power unit using Parker directional valves and Parker axial piston pump.
COMPACTING FORCES
Top Compactor. 9,980 kg (22,000 lbs.)
Side Compactor. 2,000 kg (4,400 lbs.)
COMPACTING OPENINGS
Up. 2,360 mm (92.9 in.)
Down. 1,260 mm (49.5 in.)
Side Out. 2,051 mm (81 in.)
Side In. 957 mm (37.7 in.)
Other sizes are available to meet customers’ requirements.
CHAIN CONVEYOR
Chain conveyor- powered forward/revers. 9 MPM (30 FPM)
Conveyors are controlled by customer.
CONVEYOR GAP
1,372 mm (54 in.)
CONVEYOR HEIGHT
533 mm (21 in.) min.
COOLING
Air/Oil Heat Exchanger
OVAL International® specifications are subject to change without notice.
OVALMATIC COMPONENTS
The core of the Unityer® is built on five Ovalmatic® components:
Feed and Tension Assembly
Twister Assembly
Track Assembly
Frame Assembly
Control Assembly
ALL ELECTRIC DESIGN
All tying functions are electrically driven using closed loop AC drives
Feeding
Tensioning
Gripping
Twisting
Cutting
Each of these assemblies is designed to provide maximum accessibility for inspection and maintenance function.