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> Paper Converting/ Finishing/ Corrugating > Slitting Rewinding (Un-) Winding
> 1 Valmet Double Drum Rewinder, 3200 mm
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1 Valmet
Double Drum Rewinder, 3200 mm
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| REF. | 40736 |
| BRAND | Valmet |
| Type | Double Drum Rewinder |
| Width ( Inch, mm ) | 3200 mm WI |
| YEAR | |
| QUANTITY | 1 |
| LOCATION | EUROPE Western and Northern |
| DATE | 14 Apr. 2008 |
| Double Drum Rewinder, 3200 mm Brand: VALMET MODEL JR 300 TECHNICAL INFORMATION Used paper quality SC 40-65 gsm Cutting width -max 3200mm -min 600mm Design speed 25 m/s (1500m/min) Operational speed 25 m/s (1500m/min) Max. acceleration and retardation 0,3 m/s2 Max. web tension 700 N/m (on coated paper 1000N/m) Rolling reject - Diameter inside, min. 76,2mm - Diameter outside, min. 103mm Hand Drive to the left, looked from the web direction UNWINDER PART Output roll - Diameter max. 1500mm - Diameter min. 500mm - Length max. 3200mm - Length min. 400mm - Weight max. 6000kg Usage and web tension control Hydraulic motors Unwinder Clamp 1 pair, pneumatic 3” (with extra parts 6”) Clamp lift, landing and logical shift Electrical CUTTING PART Cutting table - Roll diameter 198mm - Cover material Anodized aluminum Cutting blade Number 4 pairs Upper knife diameter 190mm, tool steel Bottom knife diameter 250mm, hard metal On-off adjustment pneumatic Knife pressure adjustment pneumatic Blade motor 4 x 1,9 kW invert-control squirrel gage motor Type DK137-76-2 Knife shift TWINPOSIT, manual shift Band nozzle Bandwidth max. 100mm min. 20mm ROLLING PART Finished rolls - Roll weight max. 4000kg (normal station) max. 6000kg (heavy station) -Diameter max. 1500mm min. 600mm -Length max. 3200mm min. 400mm/500mm (normal/heavy) Guide Roll Diameter 700mm x 3450mm - Cover material Steel - Roll surface Spiral grooving - Emergency brake Hydraulic disc brake Rolling rolls Diameter 850mm x 3450 mm - Number 2 pieces - Cover material Steel - Roll surface Spiral grooving - Emergency brake Hydraulic disc brake ELECTRIC DRIVE OF THE UNWINDER TECHNICAL DESCRIPTION Manufacturer Wärtsilä (JR 300) Speed 25 m/s (1500 m/min) Width 3200mm Paper Grammage 30-65gsm Paper Thickness 1200 kg/m3 Output Roll 1500mm, J = 1908 kgm2 Leading Roll Rolling Rolls 2 pieces, 850mm, J = 578 kgm2 Finished Roll 1500mm, J = 1908 kgm2 Accelerating time 83,3 s Retardation time 83,3 s Web tension 0,7 kN/m Mains Voltage 3 x 525 V (-5 … +10%) 50 Hz Driving Voltage 220 V (-5 … +10%) 50 Hz Limitings IEC MOTORS WITH EQUIPMENT Anchor Voltage 600 V Magnetization voltage 220 V Cooling type IC 17 Housing IP 23 |
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