Fully biodegradable SJ-50/FM700 Degradable Film Blowing Machine

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 :

• 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

• 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

• 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