China Film Blowing Machine

General features:
Model: SJ-50
Film width: 100-600mm
Output capacity: around 30kg/h Note: output depends on film width/thickness etc
Power supply: 380V three phase; 50Hz
Raw Material: HDPE/LDPE/LLDPE
Dimension (LxWxH): 4200mmx3000mmx4000mm
Weight: about 1500kg
Extruder unit:
Main motor power: 11kw
Screw diameter: 50mm
Screw L/D ratio of screw: 30:1
Speed of screw: 5-100rpm
Barrel cooling: 1/6 Hp cooling blower
Film thickness: 0.008-0.08mm
Gear Box: model 133
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 and cast aluminum heaters
Heating capacity: 15kw
Fixed inflation head
Inflation Die: 60/80 exchangeable inner die head
Cooling air blower: 3kw
Aluminum Alloy air ring x 1 set (6 air inlet hose)
Take up unit
Film bubble taking up motor: 0.75kw
Steel roller/rubber roller length: 700mm
Take up embossing rollers: 165mm diameterx700mm (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
Single winding station
Winding type: by fraction
Winding motor: 5N/M torque motor
Torque motor controlled by speed adjuster, easy for operation
Friction metal/rubber roller: 220mm diameterx700mm (L)
Maximum winding diameter: 600mm
Shaft for film roll changing: 2pcs
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