Description
Performance: This machine is designed for producing biodegradable plastic films made from PLA, PBAT, corn starch, and other bio-based, environmentally friendly materials.
Main Technical Parameters:
· Screw Diameter: Φ 50mm (high-speed screw)
· Screw Length to Diameter Ratio: 32:1
· Screw Speed: 10-120rpm
· Mold Head Specification: Φ 120mm degradable mold head
· Mold Head Structure: Internal spiral, central feeding
· Mold Material: 45# die head with inner channel plated with hard chromium
· Product Thickness: 0.02-0.10mm
· Product Folding Width: 200-600mm
· Main Motor Power: 18.5KW, controlled by a 4-stage three-phase asynchronous motor frequency converter
· Heating Power: 15KW
· Maximum Output: 60-80kg/h
· Whole Machine Weight: 3.0 tons
· Dimensions: Length 4500mm × Width 2600mm × Height 4800mm
Configuration:
1. Extruder Section:
· Single screw extrusion die head
· Screw and barrel material: 38CrMOALA high-speed alloy screw, produced in Zhoushan
· Processing technology: normalizing, quenching, tempering, stress relief, and nitriding
· Manual screen changer (45# steel heat treatment), includes a set of filter screens for the screen changer
· Heating control: 6 zones, Yuyao production, 6 temperature controllers installed in the same electrical control cabinet
· Temperature control: Intelligent dual display type temperature control meter
· Stainless steel heaters for all heating elements
· Material cylinder cooling fans: 2 sets, 220V, 380W three-phase centrifugal fans
· Cooling fan: 4.0KW three-phase centrifugal fan
· Cooling air ring: Aluminium alloy double air outlet high-speed air ring
· Gearbox: Jiangsu Changzhou 146 hard-toothed cylindrical water-cooled gearbox
· Traction roller adjustment: Cylinder adjustment
· Electrical control system: Chint switch, self-powered temperature controller
2. Traction Section:
· Rack height: 4.8 meters, fixed traction
· Steel frame structure with safety operation platform and safety guardrail
· Traction motor: 1.5KW, controlled by Shanghai Quan Luo Chen Universal frequency converter (1.5KW)
· Traction roller width: 700mm
· Traction roller material: Rubber roller
· Foam holder: Barrier type stable foam holder for a film width of 600mm
· Herringbone board: Wooden grating split type, maximum angle adjustable up to 22 degrees
3. Roll-up Section:
· Rolling method: Friction single winding, large rubber roller for winding
· Roll diameter: 250mm (horizontal diamond pattern)
· Length of winding roller: 700mm
· Scroll structure: Horizontal scroll
· Number of motors: 1 torque adjustable three-phase motor
· Number of reels: 2 reels