China Three-Layer Co-Extrusion Film Blowing Machine

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Features of Multi-layer Co-extrusion Greenhouse Film Blowing Machine
The lines is researched and designed on the basis of introducing and learning and assimilating the advanced key technology of Europe and America. It can be used for precess LDPE, LLDPE, MLLDPE, EVA, HDPE, etc. The line has various advantages such as Proper structure, stable function, nice plasticization, high output, low energy consumption and clear layers. It is the perfect device produce wide greenhouse film and geomembrane which have various function such as high strength, aging-resisting, non-fogdrop, light filtering and heat insulating.

Three-layer Coextrusion Film Blowing Machine (4-10m)

Main technical details:
1. Film Thickness: 0.05-0.2mm
   Film Open Width: 4000-10000mm

2. Material Mi range
1) LDPE: Mi=0.3-2.0
2) LDPE: Mi=0.3-2.0 EVA(5%~14%)
3) Mixed material (LLDPE and LDPE)

3. Single screw extruder:SJ120/30 (3 sets)
1) Capacity: 750kg/h
2) Screw Type: Wave type and mixed smelted head, used for processing of many material.
3) Screw Diameter: Φ 120mm (3 sets)
4) Screw L/D: 30: 1
5) Screw Material: 38CrMoALA\Nitrogen treated
6) Nitrogen treatment depth: 0.4-0.7mm, Surface hardness≥ HV950
7) Barrel Material: 38CrMoALA\Nitrogen treated
8) Processing Technics: Forging, Nitrogen HV≥ 750
9) Nitroged thickness: 0.4-0.7mm
10) Barrel temeperature controll: Constant temperature auto-controll
11) Barrel heating method: Cast aluminum heating
Barrel cooling method: Air-cooling

4. Gearbox: (Special for Plastic Machinery)
1) Gear Type: Standard hard gear
2) Gear Material: 20CrMoTi
3) Gear case lubricating method: Forcing oil lubricating
4) Main motor power: SJ120/30 with 132kw,
Three-phase asynchronism motor,
Frequency conversion
5) Equipped with long-acting screen changer equipment, to prolong screen changer
6) 120 Long-acting screen changer 3sets

5. Diehead
1) Sepecification: 1200× 2.0 (1 set)
2) Type: Three-layer coextrusion inner composite spiral die
3) Installation Method: Railway type diehead dolly
4) Heating Method: Casting aluminum heater
5) Temperature Controll: Auto-controll

6. Air Ring Equipment
1) Out Air Ring: 1 set
2) Air Ring Type: Double wind-nozzles structure
3) Cooling winder power: 22kw
4) Rotate Speed: 2900 rpm
5) Air pressure: 8000Mpa
6) Air capacity: > 3297m3/h

7. Inner Cooling Air Ring
Inner cooling controll system with PLC, It can improve the transparency and quality of film.
1) Controll system: PLC controll system, LCD Screen
2) Inner cooling blower: 2 sets, Frequency conversion timing
3) Intowinder: 15kw
4) Outwinder: 15kw
5) Imported ultrasonic sensor: 2 PCS

8. Haul off equipment
1) Upper haul off height: 21m
2) Die operation plat: 1 set
3) Triangle type frame: Steel frame rolling type 1 set
4) Flash board: Rolling type 1 set
5) Steady foam equipment: Rolling type 1 set
6) Upper haul off equipment: 1PC/set
7) Haul off roller sepecification: 340× 3200mm Speed: 0.5-15m/min
8) Motor power: 5.5kw

9. Tightening equipment and winding equipment: 1 set
1) Haul off roller sepecification: 200× 3200mm
2) Haul off Speed: 0.5-20m/min
3) Winding Method: Surface friction furl
4) Winding Speed: 0.5-20m/min
5) Winding motor type: YLJ132-40/6

10. The standard of checking machines
The machines will be fit for the standard as follows,
1) JB/T8061-96 Single screw plastic extruder
2) JB/78538-1997 Screw and Barrel equipped plastic machinery
3) JB/T8703-98 Plastic film blowing down-equippment
4) GB4340-84 The test method of metal hardness
5) GB11354-89 The standard of steel parts
6) GB11379-89 The standard of plating chrome
7) GB985-88 The type and size of welding
8) ZBG950/0-88 The condition and standard of painting

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Q:Has the lubricating oil filter been put into operation during the operation of the steam turbine?
Turbine oil is essential for normal operation of steam turbine oil, lubrication, anti rust, decompression, reduction of friction effect, turbine oil consumption, in order to reduce costs, reduce the damage to the turbine oil system of steam turbine, using special oil filter TYAXD turbine oil filter machine is currently more common.
Q:Double barrel automatic electric heating centrifugal oil filter and horizontal oil
Heating centrifugal oil filter is generally filtered, emulsified, that is, more water. Oil centrifugal oil filter oil filter more impurities
Q:How to solve the problem of oil leakage in the centrifugal oil filter?
3. filter oil pipeline is damaged4. the filter screen is blocked by impurities.
Q:What's good for lubricating oil dehydrating and oil filters?
Many brands on the market, imported USA PALL, his things are very expensive, especially in the late supplies, if you have the factory money can consider. Haddok seems not bad
Q:Can hydraulic oil filters change color after filtration?
Can only become shallow, because part of the color is suspended particles, impurities caused by some of the high temperature oxidation, chemical properties change, filtration is physical, how can I do?!
Q:What is the accuracy of 300*300 oil filter paper for LY-100 plate and frame pressure oil filters?
The filtration accuracy of plate and frame pressure oil filters is related to the filtration accuracy of filter paper. The general filtration accuracy range is 200-20 microns (microns)
Q:Want to produce oil filter, that is to filter the hydraulic oil machine
4 answersForget it!! Want to do well in the oil filter, now demand plummeted, large manufacturers, like our Chongqing runneng oil filter, oil filter such enterprise development more than 10 years machine get up have labored, small factories had more bad days!
Q:Transformer oil filter how to choose?
Don't know how much of the transformer, how much oil, transformer oil, vacuum oil filter only high vacuum oil filter and double stage vacuum oil filter, if the oil is not much, is not particularly high efficient vacuum oil filter can, if need to improve the vacuum pressure value, and these. High altitude double stage vacuum oil filter machine, see you under questioning, if interested can go to look at the following address
Q:Consult experts, power plant turbine oil vacuum filter machine, why use ah?
Coalescence type oil filter function to small droplets into large drops of water, only to remove non dissolved water, so only the oil in the water treatment by 180mg/L, cannot meet the requirements of national standard, but if the oil moisture content is very high, the dehydration rate of coalescence separation is faster.In short, if Water Leakage oil measuring system is relatively small, should be a vacuum oil filter, can make the turbine oil quality to meet national standards. If the water leakage is large, optional poly separation type, but can not make the oil to meet the requirements of gb.
Q:What is the difference between the high efficiency vacuum oil filter and the two-stage vacuum oil filter in transformer oil filter?
The dry degree, the breakdown voltage of the oil value, disposable filtering effect are greatly improved, shorten the processing time of oil, so as to improve the performance of transformer oil, and vacuum, can use at high altitudes also.

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