GENERAL INFORMATION:
Manufacturer: ULVAC, Inc., Japan
Model: EWA-165
Type: Vacuum Roll Coater (Vacuum Metallizer)
Application: Metallization of plastic films (PET/OPP/PE etc.) by
aluminum evaporation
Useful web width: up to 1650 mm
Film thickness range: 12 μm typical.
POWER SUPPLY:
Control / Main Units
Power supply:
3Φ, 60 Hz, AC 380 V
Rated power consumption (cabinet 1):
290 kVA
Rated power consumption (cabinet 2):
160 kVA
VACUUM SYSTEM:
Main Pumps
Oil Diffusion Pump (Ejector type):
Model:
ULVAC PBL-20
Power:
18 kW
Fluid charge:
90 L
Voltage:
380 V
Water cooling requirement:
25 L/min (<25°C)
Backing and auxiliary pumps:
· Mechanical pumping system – included in ULVAC
standard configuration
· High vacuum generation using diffusion pump + ejector
system
Vacuum performance:
Base pressure:
≤ 5×10⁻⁵ Torr
Pump-down time to operating vacuum:
approx. 4–7 minutes
Vacuum measurement:
multiple gauges across chamber zones
VACUUM CHAMBER & INTERNAL EQUIPMENT:
Chamber design
Type:
Cylindrical Vacuum Roll Coater Chamber
Effective width:
1650 mm
Material:
stainless steel
Internal cooling wall (Nybrine Z-1 medium)
Evaporation system
· Number of evaporation boats: 11 zones
· Aluminum wire feed — automatic
· Deposition uniformity controlled by zone power
adjustment
· Typical layer thickness control according to production
sheet (Fine and Rough modes)
Cooling wall
Temperature range:
–15°C to +30°C
Cooling response time:
approx. 30 min
Heating response time:
approx. 30 min
WEB HANDLING SYSTEM:
Speed
Operating speed:
400 ± 50 m/min
Maximum metallizing speed:
up to 450 m/min
Tension control
Unwind tension:
240 ± 12 N
Rewind tension:
240 ± 12 N
Unwind & Rewind Section
· Automatic tension control
· AC vector motors (Reliance Electric GL-Series):
- Power: 5.5 kW
- Speed: 1500 rpm (max 3600 rpm)
· Pneumatic brake and clutch systems
· Edge guiding (EPC)
Roll parameters
Core sizes:
3” and 6” (FRP)
Typical roll width:
1650 mm
Material path:
top-to-bottom configuration
PROCESS CONTROL & OPERATION MODES:
Process parameters (per production sheet)
Bombard interval:
7 sec (450 mm bombard)
Aging conditions:
- Temp: 35 ± 5°C
- Time: 72 h
O₂ purity:
≥ 99.99%
Al purity:
≥ 99.8%
Control system
· Central operator panel
· Automatic vacuum sequence
· Evaporation zone power control
· Tension control with feedback
· Safety interlocks
· Error alarms
COOLING SYSTEM:
External Chiller
Manufacturer:
Weight:
Voltage:
3Φ AC380V 60Hz
Cooling capacity:
149.8 kVA
Weight:
1820 kg
SAFETY SYSTEMS:
· Overheat protection (evaporation boats / pumps)
· Vacuum chamber door interlock
· Electrical safety (IP44 motor protection)
· Cooling system temperature alarms
· Overcurrent & arc-detection systems
· Emergency stop circuits
DIMENSIONS & ENVIRONMENT:
· Installation type: indoor
· Ambient temperature: 5–40°C
· Humidity: < 95% (non-condensing)
·

Power protection: IP20–IP44 depending on component
Deutschland
10707 Berlin 
