Comparisons between ROKO & VCML

Detail ROKO VCML (Standard) VCML – Load Cell Version
Speed range, m/min 0.2 to 2
2 to 20
5 to 50 (considered standard)
10 to 90
Range is set by changing gear boxes.
1 to 70 m/min

No change of gearbox required.

1 to 50 m/min

No change of gearbox required.

Operator controls Conventional knobs & switches. Colour touch screen (HMI). Colour touch screen (HMI).
Operator language Multilingual on HMI. Multilingual on HMI.
Electrical control cabinet External floor or wall mounted. Integral control panel. Remote floor standing control panel.
Web width Up to 300mm. Up to 300mm. Up to 300mm.
Applicator diameter, mm 67.5 or (100 for gravure design cylinder). 81mm – 100mm for gravure design. 81mm – 100mm for gravure design.
Drive Single ac motor. 2 x servo motors. 2 x servo motors.
Speed control Frequency inverter analogue setting. Servo controllers digital setting. Servo controllers digital setting.
Dimensions, L-W-H, m 2 – 1 – 2.3 2.4 – 1 – 1.8 2.4 – 1 – 1.8
Max reel diameter, mm 300 300 300
Max reel wt, Kgs 25 60 60
Web tension range, Kg 5 – 10 1 – 20 kg 1 – 20 kg
Tension control Manual Manual Automatic closed loop loadcell.
Unwind & rewind Removable self-locking chuck. Cantilevered self-locking chuck

Pneumatic chucks also available.

Cantilevered self-locking chuck

Pneumatic chucks also available.

Unwind brake Calliper Pneumatic Magnetic particle brake.
Rewind clutch Pneumatic Pneumatic Magnetic particle clutch.
Operating noise level dB @ 1m >75 70 70
Dryer tunnel length, mm 600 900 900
Number of nozzles 5 11 11
Max nozzle velocity, m/s 1 5 5
Nozzle gap, mm 1 to 2 1 to 2 1 to 2
Inlet and exhaust duct dia., mm 50 100 100
Heater power, Kw 11 11 11
Air flow adjustment. Nozzle gap & dampers. Nozzle gap & dampers. Nozzle gap & dampers.
Vapour removal Exhaust duct to front and rear of coating tray. Exhaust duct on dryer inlet & outlet. Enclosed coating area with exhaust. Integrated exhaust duct at back of dryer. Enclosed coating area with exhaust. Integrated exhaust duct at back of dryer.
Coating area extraction certified to : ATEX ATEX & NFPA ATEX & NFPA
Dryer threading Removable bottom plate allowing threading from below tunnel. Clam shell type, with pneumatic opening for easy threading. Clam shell type, with pneumatic opening for easy threading.
Dryer tunnel insulation None 12mm silicone foam (low heat loss). 12mm silicone foam (low heat loss).
Dryer ducting 50mm flexible silicone hose. 100mm flexible silicone hose. 100mm flexible silicone hose.
Installation steps Position and level bench.
Position ROKO base onto bench & fix.
Position and fix dryers to framework.
Position & fix electrical cabinet & supply fan.
Connect power cable to cabinet.
Connect all electrical cables between base unit and cabinet and supply fan.
Fit hosing / ducting between supply fan & dryers.
Connect compressed air & water lines.
Position and level machine.

Connect power cable to machine (integral cabinet).

Connect compressed air & water lines.

Position & level machine.

Connect power cable to machine.

Connect compressed air & water line.

Route & connect control cables from VCML to control panel.

On screen operating Instructions No Set up instructions shown on HMI. Set up instructions shown on HMI.
Remote fault diagnostic No Optional Optional