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Single extruder for Blowing rubbish bag Film Line
National Products Exemption From Quality Surveillance Inspection
1. Plastic extruder
1.1 Screw diameter: 50 mm, the power of drive motor is 22KW
1.2 L/D ratio: 30:1(complex mixing structure, be suitable for the material of HDPE\ LDPE\LLDPE \MLLDPE\EVE\ EAA), the speed of the screw is 130r/min;
1.3 The material of screw \barrel and hardness: 38CrMoAlA steel nit riding, HV840
1.4 The controller of the drive motor: Schneider inverter with Permanent Torque
1.5 Reducer: with movers hard tooth surface for extruder special gear box , double reduction, external connecting the recycle cooling water wheel pump with forced lubrication gear box;
1.6 The cooling type of barrel: the feeding section with the water shielding to control the temperature, the rest equipment the cooling fan with 180W;
1.7 The heat type ,tem. Control and zone stage :the heater inner trench type cast aluminum ,four stage, with K type thermoelectric pair to measure temperature ,the out cover of barrel adopt the stainless steel;
1.8 The hopper and extruder cover: the stainless steel material, the hopper with window and the slippage device which is convenient for unloading the material. The capacity is 50kg;
1.9 The base of hopper: with the forced feeding device and through the water cooling it
1.10 The max. Output of 50mm single extruder (HDPE) is 45kg/h
2. Die Head and Air Ring and Unit
2.1 Die- head structure: 1-layer extrusion complex spiral mandrel structure
2.2 The material of the die-head: 40Cr, finishing polish with plate hard Cr and polish again;
2.3 The diameter of the moulds: 60mm, the machining and designing precision mould can confirm the gloss finish of the spiral flow passage;
2.4 The stage of die-head heater and power: 3 zone independently control tem. 12 KW, the protect porcelain-head is installed on the post head of the heater;
2.5 The type of the vane: the vane with double air course, the aerodynamic make-up type,
The blower of vane: the low noise blower with the power is 4KW and Schneider inverter controller;
3. Haul-off Unit
3.1 The height of the traction: 5400mm,
3.2 The haul-off frame is framework style, it’s convenient to assemble and install and heavy building
3.3 The width of haul off roll :1300mm,the surface of the initiative steel roller plate hard chrome and machining polish, the open and close of the Paul -off controlled by air control, the up-take-off roller adopt the excellent robber , anti-chap and shed.
3.4 The drive and reducer of the haul-off: three asynchronous phase motor with the Schneider inverter.
3.5 The max.haul-off speed: 40m/min
3.6 The guide roller of the ZIG-ZAG: the roller of aluminum alloy guide roller press the bubble into the ZIG-ZAG, equipment the guide roller in the side of the ZIG-ZAG
3.7 The size case: the size can be controlled by handle adopt the PA guide roller
4. Collapser
4.1 Collapser: wood slip
4.2 Adjusting method: manual adjusting;
5. Winder
5.1 The type of winder: single station passive friction winding-up
5.2 The width of the wrap-up roller: 1300mm
5.3 Two air shaft for winding suit for Φ76mm paper-tube
5.5 The wrap-up drive by motor, control by the booster
5.7 The max. Speed of wrap-up: 40m/min
6. Electrical Control System:
The mention machines adopt the NSK bearing at the both side haul-off unit and winder unit, the temperature controller adopt Fuji brand, the shift knob and inverter equipped Schneider brand
The rest key electric parts adopt our domestic excellent brand (be suitable 380V and 50Hz)
7. The acceptance standard for the quality of blowing film:
About 26°C temperature, with HDPE: LLDPE=5:5 as new material to blow the film with width of 700~1000mm and the thickness of 0.01~0.03mm in the single side-edge. The tolerance for thickness of film regularity is≤±6%.the head face plainness is≤±2mm after cut the slitter edge, the single side cut -off the width of ≤25mm, the common output is 45kg/h,the film is regularity and excellent in wrappings-up .
8. The item of the user prepared:
The temperature of cooling water with recycle is ≤20°C,≥0.3Mpa ,about 60m air compressor(0.3-0.6m3/min), corona treatment ,crusher, automatic loading machine, stirring mill ect.
9. The spare parts:
9.1 Cast aluminum heater 3 pieces (the type is different)
9.2 The number display tem. Controller 1 piece
9.3 K Model Thermocouple:1 piece
9.4 Regulation resistance :1 piece
9.5 plank of the platform1 piece for the user set the corona prepared by him, install 1 expansion roller
9.6 regulation resistance 2 piece
10. The technical document:
Inspection certificate issued by Dalian commodity inspection bureau, the layout picture of the line production, the picture of the machinery theory, operation instruction
11. The acquirer inspector to acceptation the machine when the machine is ok in the producer factory
Single extruder for Blowing rubbish bag Film Line