General Features:

• Model: SJ-65
• Maximum film width: 1200mm
• Output capacity: around 70kg/h Note: output depends on film width/thickness etc
• Power supply: 380V three phase; 50Hz
• Raw Material: HDPE/LDPE/LLDPE
• Dimension (L×W×H): 5000mm×4000mm×5600mm
• Weight: About 5500kg

Extruder unit:

• Main motor power: 22kw; controlled by Delta inverter
• Screw diameter: 65mm
• Screw L/D ratio of screw: 28:1
• Speed of screw: 5-100rpm
• Barrel cooling: 1/6 Hp cooling blower × 2pcs
• Film thickness: 0.008-0.15mm
• Gear Box: model 173
• Material of screw and barrel: Alloyed high-quality steel 38CrMoAlA with optimum hardness and strong corrosion resistance after precision finishing and nitrogen treatment
• Heaters: stainless heaters
• Heating capacity: 18kw
• Rotary inflation head
• Inflation Die: 120/160/260 exchangeable inner die head
• Rotating motor: 0.25KW mini moderating motor
• Cooling air blower: 3kw; controlled by delta inverter
• Aluminum Alloy air ring x 1 set (6 air inlet hose)
• Hopper loader: one set

Take up unit

• Film bubble taking up motor: 1.5kw; controlled by Delta inverter
• Steel roller/rubber roller length: 1400mm
• Take up embossing rollers: 165mm diameter*1400mm (L)
• Embossing rollers open and close controlled by air cylinder
• Guiding roller: 2pcs
• Wooden plank bubble supports and A-frame with Gusset device
• Tower’s height adjusted by motor-rise and fall type
• Film taking off speed: 5-40m/min
• Film bubble size sensor installed; automatically give more air if bubble size becomes smaller
• Ladder and walking board width: 60cm
• Corona: 1200mm effective width

Double winding station

• Winding type: by fraction
• Winding motor: 15N/M torque motor x 3SETS
• Torque motor controlled by speed adjuster, easy for operation
• Friction metal/rubber roller: 250mm diameter*1400mm (L)
• Banana roller: 2pcs
• Maximum winding diameter: 600mm
• Side slitting blade at the two sides
• Center slitting knife to cut the film into smaller film stripe: 3pcs
• Waste film collecting system
• Air shaft: 4pcs

Control Panel

1. Temperature of barrel and die head controlled by digital temperature controller
2. Inverter controls main motor driving speed and film taking up motor running speed
3. Electronics used are all Chinese top brand
4. Current meters and Voltage meters show the working state of motors
5. Small fan installed to avoid high temperature caused by long time running