Used 2017 PTi/Bandera 5-layer PET Extrusion Line with Foam Capability

PTi/Bandera Model HVTSE 70mm-52D Sheet Co-Extrusion System (Foam Technology Development)

• — All PLC and HMI software has been backed up and will be included with the line.
• — OEM: PTi (Processing Technologies International) / Bandera
• — System design basis:
  • — Process: Sheet extrusion for winding
  • — Structure: A/C/B/C/A, 5-layer (5/15/60/15/5% of total nominal thickness)
  • — Polymer: Foamed PET
  • — Extrusion capacity: 770 - 1,650 pph (350 - 750 kg/hr)
  • — Thickness range: 0.012 - 0.043 inches (0.30 - 1.10 mm)
  • — Target net sheet width: 43.31 inches (1,100 mm)
  • — Foam technology patents: EP 2376267B1 / US 9114562B2
• — Electrical: 460 volts / 3 phase / 60 Hz
• — Item 1.0 - PTi/Bandera Model TR 65 Single Screw Extrusion System "A":
  • — Gravimetric 2-component dosing system (one 10 - 100% device for virgin pellets; one 1 - 10% device for additives/masterbatch)
  • — Extruder: 35-D single screw, 74 HP (55 kW), 1500 RPM AC vector motor and drive
  • — Heavy-duty double reduction gearbox, oil forced lubrication (mechanical pump)
  • — Heavy-duty cast feed section, jacketed for water cooling
  • — Non-vented nitrided steel barrel; movable extruder base for screw removal
  • — Six barrel temp control zones, air cooled (individual blower per zone)
  • — One nitrided steel feed screw (application-designed)
  • — Manual slide plate screen changer, two breaker plates 65 mm diameter
  • — Gear pump system (AC vector motor and drive, integrated controls)
  • — Adapter assembly with static mixer insert, prewired heater/thermocouple
  • — Note: PET requires drying - customer supplies dryer
• — Item 2.0 - PTi/Bandera Foamed PET Extrusion System "B" (Model HVTSE SFF 70mm-52D):
  • — Dryer/mixer for PET flake
  • — Gravimetric 6-component loss-in-weight dosing (two 10 - 100%, one 5 - 50%, three 1 - 10%); mezzanine included
  • — Extruder: co-rotating twin screw, 268 HP (200 kW) AC motor and drive
  • — 3-shaft gearbox, helicoidal gears, "Z" configuration, torque limiting device, roller bearings, filtered lubrication with dedicated heat exchanger
  • — Barrel: water-cooled feed section, nitrided steel sectors and cam area, venting outlets, temp control zones
  • — Feed screws designed for Foamed PET; linear tracking for screw removal
  • — Nitrogen injection system (pressure regulation panel, mechanical injector, additional inlet for alternate gas)
  • — High vacuum venting device: 1 atmospheric vent, 2 heated vacuum vent stacks, 2 liquid ring vacuum pumps, 2 decantation tanks, 2 vacuum gauges, water recirc with heat exchanger
  • — Continuous backflush screen changer: four 96 mm diameter breaker plates in 2 carrier pistons; total filtration area 291 cm2
  • — Gear pump system; SM0070 adapter assembly with static mixer insert
  • — Sheet die and feedblock: 5-layer co-ex feedblock (A/C/B/C/A); Triple Manifold Foam Sheet Die with temp zones, heated lips, flexible upper lip, fixed lower lip; hot oil temp control unit; air bar. Note: APC not compatible with foam die.
• — Item 3.0 - PTi/Bandera Model HVTSE 70mm-52D Extrusion System "C":
  • — Gravimetric 3-component loss-in-weight dosing (two 10 - 100%, one 1 - 10%); mezzanine included
  • — Extruder: co-rotating twin screw, AC motor and drive, 3-shaft gearbox (helicoidal, "Z" config, torque limiter, roller bearings, filtered lube with heat exchanger)
  • — Barrel: water-cooled feed section, nitrided steel sectors and cam area, venting outlets, temp zones
  • — Feed screws designed for PET; linear tracking for screw removal
  • — High vacuum venting device (same config as System B)
• — Item 4.0 - Continuous Backflush Screen Changer (System C):
  • — Four 96 mm diameter breaker plates in 2 carrier pistons; total filtration area 291 cm2
  • — Gear pump system; adapter assembly with static mixer insert; die support and operator platform
• — Item 5.0 - PTi Model GCH601830 Three Roll Horizontal Sheet Take-Off System:
  • — Lead roll: 18 inches (455 mm) OD x 60 inches (1525 mm) wide, mirror finish
  • — Center roll: 30 inches (762 mm) OD x 60 inches (1525 mm) wide, mirror finish
  • — Cooling roll: 30 inches (762 mm) OD x 60 inches (1525 mm) wide, mirror finish
  • — Individually AC-driven rolls; skewed lead roll (manual adjust); motorized height adjust
  • — 3-zone water temp control (dual closed loops per roll, pump/heat exchanger/immersion heater each)
  • — PET upgrade: open-loop heat exchanger by-pass for direct chilled water cooling with PID control
  • — Hydraulic chrome roll actuation; motorized roll gap with digital nip display; braking system; roll stand locomotion unit
  • — Full-length telescoping sheet conveyor with idler rolls
  • — Pull roll stand: pneumatic rubber-covered rolls 8 inches (205 mm) diameter x 60 inches (1525 mm) face, AC drive
• — Item 6.0 - Sheet Thickness Measurement System (NDC Model 8200x/TDi):
  • — 8000 TDi electronics; 17 inch (430 mm) color touchscreen console
  • — Two MiniTrak traversing frames (conveyor mounted)
  • — Model 318HN X-Ray backscatter sensor (basis weight) + chiller for XRB cooling
  • — Model OM190 Shadow LED micrometer sensor (thickness) + aluminum 8 inch reference roll
  • — Recipe storage, diagnostics, reporting (Roll/Time/Job/Shift), security lockout
• — Item 7.0 - PTi Model SACW6048/2 Two Position Cantilevered Shaft Winder:
  • — Winder shaft face width 54 inches x max roll diameter 48 inches
  • — Freestanding overhead gantry, idler rolls, main pull roll, catwalks with ladders both sides
  • — Rotary edge trim slitting (overhead frame mounted)
  • — AC vector winding drives (independent drive per spindle); two 6 inch pneumatic shafts
  • — Two roll support carts + roll pusher; main control panel; sheet cut-off
  • — PTi A60100 Sheet Accumulator: 100 ft (30 m) storage, pneumatic carriage, straight-through thread-up, 30 sec accumulation at max line speed 200 fpm, rotary edge trim slitting (max 4 inch trim/side)
• — Item 8.0 - PTi Model TRC60 Transfer Roll Coater:
  • — Anti-stat transfer roll coating (top/bottom/both sides), rubberized squeegee rollers, Mokon heater, air bar/blower, solution filter, driven pull roll; floor mounted between accumulator and winder
• — Item 9.0 - Edge Trim Recovery System:
  • — Trim pickups on conveyor feeding granulator; up to 300 pph (136 kg/hr)
  • — Variable-speed infeed (one knurled/one smooth roller); 3-blade open rotor, six adjustable knives; 3 bed knives; TEFC 1800 rpm AC motor
• — Item 10.0 - TITAN Plus PLC Control System:
  • — Coordinates all motors, PID temp/pressure loops, safety interlocks; recipe storage (50), data trending (30 days); color touchscreen HMI; remote I/O and AC drive comms
• — Item 11.0 - Offline Die Splitting Cart:
  • — Triple manifold die cleaning cart; each section suspended by support trunnions, rotates to position; caster mounted
• — Item 12.0 - Additional Scanner Screen:
  • — Additional monitor on backside of existing pendant, articulating arm