Bobst K5000

Vacuum metallizer
Working width (mm) 2450
Materials BOPP10-50my, BOPET8-20my, CPP 20-50my, other films
Speed 1000 m/min
Max diameter reel unwinder 1200mm
Max diameter reel rewinder 1200mm
Evapouration Boots 33 boots, size 125x40x10mm
Aluminium wire 1.6-2.4mm r Alu wire reel diam max 320mm

Control:
- Individual thrystor controlled transformers controlling power to boots
Individual stepper motors for wire 595mm diam cooled process roll + 250 mm diam post process cooling
Pumping down time less than 5 min in OEM description

Pumping system :
Operating pressure 5x(10^-4) mBar.
Web coating zone:
- 1x NC630B dry rotary screw pump, 630m^3/h
- 1x Aerzen GM 2000CMC booster pump 3900m^3/h
- 2x Varian HS35 diffusion pumps 50.000 l/sec
- 1x Polycold PFC. 1102 CE 200 kl/s

Web winding zone:
- 1x NC630B dry rotary screw pump, 630m^3/h
- 1x Aerzen GM 2000CMC booster pump 3900m^3/h
- 1x Aerzen GM 8000CMY booster pump 13000m^3/h
- 1x extra cryogenic coli unit

Plasma treatment Yes, Max power 4kW/m. 40kHz
Polycold Polycold PFC. 1102 CE 200 kl/s

Highlights:
- Camera and monitoring system
- Portholes circular viewing
- Closed loop automatic deposition control
- Closed loop tension control
- End tensioned evaporator clamping
- Precision zones seals
- Full width viewing windows
- MFC Gas wedge injection system
- Individual stepper motor control
- Individual temp control
- Individual Trystor control
- Integrated drum shield and shutter
- Inverter controlled booster pumps
- Linear tracking anti-telescoping lay-arms
- Multi point deposition monitor
- Remotely adjustable bowed spread roller
- Edge shield adjustment
- Same side reel change over
- Swing over clamps
- Web system control interface
Web tension 66-662N Anti telescopio via 2 linear tracking lay arms

Cooling:
- Process drum: 595mm diam chrome plated
- 2 zone gas wedge injection system, layer of gas between process roll and web
-1x post coating cooled roller 250 mm diam

Spreading: - 1x spiral grooved roll - 3x bowed spread er rollers
Tension :
- 2x load cell rolls to measure tension on unwind and rewind
- 1x Independently driven draw roller, with high friction covering, to tension web over process roll
Optical system with light emitting diodes and photo detectors for O.D monitoring Chiller