NovaStar, SF112, PET Strap Production Line, 65mm Screw Diameter, 30kW Extruder

Description

  1. Overview
  2. Configuration
    1. Vacuum feed material system: 1 set
    2. PET crystallizing dry system: 1 set
    3. PET single screw extruder (with feeder): 1 set
    4. Mould: 1 set
    5. Static casting machine: 1 set
    6. Short waves infrareds heating unit: 1 set
    7. First preheating machine: 1 set
    8. First stretch preheating unit: 1 set
    9. Second stretcher embosses and cooling unit: 1 set
    10. Third haul off machine: 1 set
    11. Short wave infrared heating box: 2 sets
    12. Double-stage winder: 1 set
    13. Auxiliary equipment: Air chiller: 1 unit; mold temperature controller: 2 units
  3. Technical Parameters
    1. Vacuum feeder system
      1. Vacuum pump: 5.5 kW
      2. Vacuum hopper: 24 liter
      3. Dust removing device
    2. PET crystallizing dry system (SF112 model)
      1. Blower motor: 0.55 kW; heating power: 9 kW
      2. Dry motor: 2.2 kW; drying power: 9 kW
      3. Wheel motor: 120 W (speed is adjustable)
    3. PET single screw extruder
      1. Rack (frame)
        1. Adopts profiled bar to weld, with high rigidity.
      2. Gear box
        1. Designed according to the technical standard of ZBJ19009-88, the gear and the axis components are made of the high strength alloy steel, the gear precision is GB10095-88, 6 levels, tooth face degree of hardness is HRC54-62, thrust bear is equipped at the fan out of the hollow screw, withstands the work recoil force of the screw. The main standard parts, such as bearings and grease seal etc., this machine can bear high capacity, the transmission is steady, the noise is low, and the efficiency is high.
        2. Slowdown ratio: 16:1
        3. Input power: 30 kW
        4. Hard facing gear
      3. Barrel and screw (guard against bridging installment)
        1. Material: 38CrMoAlA; screw diameter: 65 mm
        2. Nitrided depth: 0.3 ~ 0.6 mm; nitrided degree of hardness: 740 HV
        3. Surface roughness of the screw: 0.4 um
        4. L/D ratio of the screw: 30:1
        5. Inner surface roughness of the barrel: 0.8 um
      4. Heating band
        1. 5 groups of cast-aluminum heaters
        2. Heater power supply: AC 380 V, 50 Hz; each group: 4 kW
        3. Heating band diameter: Φ130 mm
      5. Cooling system
        1. Fan: 5 groups
        2. Power supply: 3 ~ AC380V 50 Hz
        3. Attachment: 5 fan joint wraps
      6. Main motor
        1. Power: 30 kW
        2. Power supply: 3 ~ AC380V 50 Hz
        3. Speed: 1500 rpm
      7. Mould flange
        1. Material: 45# steel
        2. Surface is done with chrome-plating
      8. The hydraulic filter
      9. Metering pump (Zhengzhou batter)
        1. Flux: 100 cc/r
        2. Motor power: 3 kW
      10. Electric cabinet
        1. Frequency inverter
        2. Temperature control area: 8 groups
        3. Independent control cabinet
    4. Moulds
      1. Excellent mould steel.
      2. Strap shape mould with one strap extruding out.
    5. Static casting machine
      1. Rack includes profiled bar with high rigidity. All fitting surfaces are done with mechanism, to assure the precision.
      2. Transmission system
        1. Transmission power: static roller: 0.75 kW; take off roller: 1.1 kW
      3. The high-pressured static unit
        1. Model: F140-II
      4. Roller subassembly
        1. Diameter: static roller: 700 mm; take off roller: 375 mm
        2. Caliber of the water pass in and out: 3/4" 1/2"
        3. Roller convexity: no convexity
        4. Surface of the roller is done with hard chromium T=0.08
        5. Roller bearing group: adopts the HCP series
      5. Movable subassembly
        1. The movable subassembly is made up of the transmission system, the idler wheel subassembly etc.
        2. Vertical fluctuation: manual
        3. To and fro move: manual
      6. Temperature control system: connected the cooling water machine
      7. Electrical control cabinet (electric controlled cabinet of the extruder)
    6. First preheating machine
      1. Haul off motor power: 4 kW
      2. Preheating roller diameter: 260 mm
      3. Caliber of the water pass in and out: 3/4" 1/2"
      4. Roller number: 5
      5. Rack: A3 machine process
      6. Frequency conversion control
      7. Connected to the mold temperature controller
    7. First stretch preheating unit
      1. Haul off motor power: 7.5 kW
      2. Cooling roller diameter: 260 mm
      3. Caliber of the water pass in and out: 3/4" 1/2"
      4. Roller number: cooling roller: 3; preheating roller: 4
      5. Clamp subassembly
      6. Rack: A3 machine process
      7. Frequency conversion control
      8. Connected to the cooling water machine and the mold temperature controller
    8. Second stretch embosses cooling unit
      1. Haul off five rollers
        1. Haul off motor power: 7.5 kW
        2. Cooling roller diameter: 260 mm
        3. Caliber of the water pass in and out: 3/4" 1/2"
        4. Roller number: 5
        5. Clamp subassembly
        6. Rack: A3 machine process
        7. Frequency conversion control
        8. Connected to the cooling water machine
      2. Coining mill
        1. Embossing roller diameter: 70 mm
        2. Rack: A3 machine process
      3. Three rollers cooling machine
        1. Haul off motor power: 1.5 kW
        2. Cooling roller diameter: 260 mm
        3. Caliber of the water pass in and out: 3/4" 1/2"
        4. Roller number: 3
        5. Clamp subassembly
        6. Rack: A3 machine process
        7. Frequency conversion control
        8. Connected to the cooling water machine
    9. Second stretcher embossing and cooling unit
      1. Length: 4000 mm; height: 1680 mm
      2. Transition roller diameter: 125 mm
      3. Transition roller number: 6
      4. Thickness of the heat preservation layer: 50 mm
      5. Heating power: 30 kW
      6. Material of the box body: outside: A3, inside: stainless steel
    10. Third haul off machine
      1. Haul off motor power: 2.2 kW
      2. Cooling roller diameter: 260 mm
      3. Caliber of the water passes in and out: 3/4" 1/2"
      4. Roller number: 5
      5. Clamp subassembly
      6. Rack: A3 machine process
      7. Frequency conversion control
      8. Connected to the cooling water machine
    11. Short wave infrared heating box
      1. Length: 3000 mm
      2. Double layers, inside is equipped with adiabatic layer
      3. Heating power: 20 kW; heating type is controlled by the pressure regulator
    12. Double stage winder
      1. Winder diameter: 406 mm, 250 mm
      2. Moment motor: 10 N.m
    13. Auxiliary equipment
      1. L-6F chiller (air cooling)
      2. S-A mold temperature controller: 2 sets (R-12: 12 kW; R-9: 9 kW)