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NovaStar, LC176, 3000mm Working Width Off-Line Impregnation Unit (New)

NovaStar, LC176, 3000mm Working Width Off-Line Impregnation Unit

Description

  1. Overview
    1. New, without calender, with modified oven, with minor modifications.
    2. Products to be processed: product width 3,000 mm, basic weight 200 – 2,000 g/m², finished rolls diameter 1,200 mm.
    3. Working speed max 20 m/min (60 m/min).
    4. Operator side in relation to the running direction to be confirmed (left).
    5. Destination country to be defined.
    6. Labeling of machines: English.
    7. Standards: DIN-ISO-IEC-VDE.
    8. Indication units: metric.
    9. Temperature environment: 5 °C – 35 °C.
    10. Compressed air pressure: 6 bar.
    11. Max. moisture: 65%.
    12. Main voltage: 3 x 380 V AC ± 5% (480/3/60 Hz).
    13. Auxiliaries voltage: 220 V AC, 24 V DC.
    14. Frequency: 50 Hz ± 5% (or as per customer’s requirement).
    15. Machines painted blue RAL 5015.
    16. Painting of electrical board: grey RAL 7035.
    17. Painting of carter: yellow lemon RAL 1021.
    18. Painting of guards and dangerous parts: red RAL 3020.
    19. Painting of grids and protection doors: black RAL 9005.
  2. Standard Unwinder (Not Needed)
    1. Painted steel frame.
    2. Max. roll size Ø 1,200 x 3,000 mm.
    3. 2 painted unwinding rollers Ø 470 mm.
    4. 2 shaft-guide supports for 3” and 6” cores.
    5. 1 x 2.2 kW servo ventilated motor, chain transmission.
    6. 1 rubber-covered outlet roller controlled by main motor.
    7. 1 aluminum dancing roller with rotating potentiometer.
  3. Foulard
    1. Machine designed to impregnate with: foam entering from the top, resin diluted in water entering from the bottom, coat with foam from the top.
    2. Main frame in painted FE 510 C sheet metal welded.
    3. Machine is designed for fast replacing of 2 rollers that exit from service side.
    4. Linear working pressure: 20 kg/cm.
    5. Opening of cylinder max. 100 mm.
    6. Superficial finishing: plan ground + chrome.
    7. Supports with bearing grease lubricated.
    8. Movement with air springs.
    9. 1 scrape in thick rubber for the cylinder cleaning.
    10. Electric-pneumatic control board.
    11. 1 fix roller in exit Ø 300 mm rubber covered 90 Sh.A.
    12. 1 x 5.5 kW motor, transmission by means of 2 semi-joints with gear motor.
    13. 2 mechanical jacks for the positioning for the calibration of the material between the 2 cylinders; the adjusting is manual.
    14. Product introduction group from the top composed by 2 passage cylinders Ø 160 mm idle, pneumatic opening system.
    15. Passage rollers: 1 roller Ø 160 mm idle in inlet, 1 roller Ø 160 mm idle in outlet turned teflon and cooled.
    16. 1 AISI 304 tank with wheels to be removed from the side to favor the cleaning operations.
    17. 1 roller in AISI 304 Ø 160 mm placed into the tank complete with auto-lubricating plastic bushes.
    18. Pneumatic lifting system of the roller facilitates the cleaning operations and the removal of the tank.
    19. 2 idle rollers installed on the tank with auto-lubricating plastic bushes.
    20. 2 foam dosing units: linear axis driven by toothed belt, complete with wire-holder chain with foam feeding pipe and distribution nozzle.
    21. 2 containment banks in plastic material, working width manually adjustable.
    22. 1 foam-coating unit composed by 1 nozzle for foam and doctor blade moved by a screw-jack.
    23. 2 washing nozzles with water on sides.
  4. Infrared Pre-Heating Oven
    1. This process serves to superficially dry the product before entering the oven; this treatment is indispensable because it avoids fouling with the product of the first roller entering the oven.
    2. Pre-drying of the product takes place through a series of infrared lamps of the type with medium fast waves, and an air circulation system with a fan exhauster.
    3. Main structure: painted-steel frame, length 2,000 mm.
    4. Preheating system with infrared emitters: 10 infrared lamps of the type ceramic.
    5. Lamp replacement is done by opening the upper frame and extracting the full support of the lamp; to avoid contact with the product on the lamps there are provided suitable spacers.
    6. Installed power: 100 kW.
    7. Upper part of the oven opening at 45° with pneumatic pistons.
    8. Exhauster: 1 fan exhauster on the top of the hood allows the evacuation of the moist air.
    9. Passage roller cooled: 3 rollers inlet/outlet with teflon surface treatment.
  5. Tunnel Oven
    1. Inlet section: height of working plane 1,250 mm.
    2. Heating sections: 2 x 4.3 m heating module, total length 8.6 m.
    3. 2 air chambers for each module ensure a perfect air distribution thanks to a double perforated metal sheet, removable and built in sectors.
    4. Ventilation on the product can be addressed only from the top to the bottom.
    5. Recirculation of hot air width: 3,200 mm.
    6. Max. oven temperature: 180 °C.
    7. Fix passage inside tunnel max. 300 mm.
    8. Filtering panels in metallic web easily removable in each module.
    9. Closing doors with seals on operator side.
    10. Steel plates on the bottom plenum to limit the width to 2,100 mm.
    11. Conveyor roller-table: Ø 120 mm rollers, 3,200 mm width positioned every 500 mm.
    12. 1 x 2.2 kW motor with inverter, servo ventilated.
    13. Supports by bearings bonderized for high temperatures.
    14. 5 mm fiberglass/PTFE mesh belting with tension and tracking system.
    15. Suction exhauster: 1 inverter-driven explosion-proof suction exhauster, capacity 3,000 – 12,000 m³/h, power 11 kW.
    16. 1 x thermal oil exchanger, 1 heating battery.
    17. Pipes FE 37 UNI 7091 Ø 17.2 x 2 mm.
    18. Finned tubes in steel H 10 x 0.4 mm.
    19. Frame in steel thickness 30/10.
    20. Feeding collectors Ø 3”.
    21. 2 fans: 2 x 22 kW fans, fix speed with direct starting, with a flap for the adjustment of air-flow, motor mounted directly with cooling vent and reinforced bearing.
  6. Machine Frame
    1. Construction is made with cut, fold and assembled galvanized sheets.
    2. All parts in contact with warm are galvanized steel.
    3. External walls are isolated with pressed mineral wool panels.
    4. External walls are painted with fire resistant painting.
    5. Insulating panels of 120 mm with double plate foreseen on the roof of the oven.
  7. Fire Extinguishing System
    1. Fire extinguishing system equipped with spray nozzles.
  8. Chimney Exhauster
    1. Chimney exhauster is excluded in the scope of the supply and at customer charge.
  9. Main Frame
    1. Painted frame from bent sheet in steel FE510, supported and locked to the base with chemical anchors.
    2. All components are installed on board machine, including gear boxes and electrical control panel.
    3. Protection doors: opening doors protected with safety locks.
  10. Gas Boiler
    1. 1 x gas boiler, net rating 400,000 kcal/h.
    2. Max. temperature: 300 °C.
    3. Adjust burner: 1 flame.
    4. Pressure: 10 bar.
    5. Tube temperature: 400 °C.
    6. Test pressure: 15 bar.
    7. Max. fuel consumption: max 54.7 Nm³/h.
    8. Minimum pressure: 35 mbar.
    9. Electric power installed/absorbed: 7.5 kW.
    10. Oil content: 86 L.
    11. Net weight: 920 kg.
    12. Operating and storage temperature: +5 °C to +40 °C.
    13. Max. humidity of operating and storage: 80%.
  11. Oil Circulation Pump
    1. Containment tank for collection oil losses.