
Use:
Double winder automatic blown film machine is specifically designed for the production of high-low pressure polyethylene, making this double winder automatic blown film machine ideal for manufacturing laminating film, shrink sleeve roll,packing film, agricultural covering film, textile and clothing bags or films, and other packaging materials.
To enhance the stability of the main motor and reduce energy consumption by 30%, the double winder automatic blown film machine incorporates frequency control of motor speed. Additionally, the screw and material barrel are made of 38 chrome-molybdenum aluminum, which has undergone nitrogen treatment for improved durability.
Based on current market demand, the SJ-A series film blowing machines are commonly used for producing high-pressure polyethylene packaging bags. Therefore, efficient cooling of the cylinder film is crucial to ensure optimal film quality. Inadequate cooling can result in uneven film formation and increased susceptibility to breakage. Consequently, the use of a lifting traction device has become less prevalent. Regardless of the film size, the machine guarantees the best cooling effect for superior film production.
Of course, these brief descriptions only scratch the surface of what our amazing products have to offer. We warmly invite you to reach out to us for a more comprehensive and detailed introduction. Our team of experts is always ready to provide you with professional guidance and answer any questions you may have.
So why wait?
Get in touch with us today and let us provide you with a more detailed and personalized introduction to our exceptional products. We can't wait to assist you in finding the perfect solution for your business.
Packing and Shipping
As export standard pallet, the material of pallet is stainless steel pipe the surface of each part of machinery covered film together with one set of packing list in English wooden crate: under fumigation treatment. Together with one set of packing list in English partial shipment allowed container shipment allowed before delivery, we will send the dimension & weight of machinery to customer to help them choose

Equipment Parameter:
|
Model |
SJ-A45 |
SJ-A50 |
SJ-A55 |
SJ-A60 |
SJ-A65 |
|
Suitable material |
HDPE,LDPE,LLDPE |
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|
Reduceddiameterof film(mm) |
100-500 |
300-600 |
400-800 |
500-1000 |
600-1200 |
|
Film thickness of (mm) |
HD:0.009-0.05 LD:0.02-0.15 |
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|
Max.output(kg/h) |
HD35 |
HD 40 |
HD 50 |
HD 55 |
HD60 |
|
Extruder |
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|
Screw diameter |
45 |
50 |
55 |
60 |
65 |
|
Screw L/D |
28:1/30:1 |
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|
Screw material |
Sacm-645/38 crmoala |
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|
Cylinder material |
Sacm-645/38 crmoala |
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|
Cylinder cooling(w) |
180*2 |
250*2 |
370*2 |
370*2 |
550*3 |
|
Main motor(kw) |
11 |
15 |
18.5 |
22 |
22 |
|
Cylinder temperature control |
3 |
3 |
3 |
3 |
3 |
|
Average power consume(kw) |
10 |
12 |
18 |
25 |
30 |
|
Type of die |
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|
Die size(mm) |
HD60 LD100 |
HD80 LD120 |
HD80 LD180 |
HD100 LD200 |
HD100 LD220 |
|
Temperature control |
3 |
3 |
3 |
3 |
3 |
|
Air ring |
1 |
1 |
1 |
1 |
1 |
|
Air blower power (kw) |
1.5 |
2.2 |
3 |
3 |
4 |
|
Center steady stick |
1 |
1 |
1 |
1 |
1 |
|
Take up unit |
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|
Roller width(mm) |
160*650 |
160*850 |
165*1100 |
165*1200 |
165*1400 |
|
Take-up speed(m/min) |
10-100 |
10-100 |
10-100 |
10-100 |
10-80 |
|
Take-up motor(2.2) |
0.75 |
0.75 |
1.1 |
1.1 |
1.5 |
|
Winding Unit |
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|
Type |
Surface friction type |
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|
Winding motor(N.m) |
10 |
10 |
10 |
10 |
10 |
|
Winding speed(m/min) |
10-100 |
10-100 |
10-100 |
10-80 |
10-80 |
|
Voltage |
380V,50HZ,3PHASE |
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|
Outline diameter |
5000x1800x4200 |
5500x2200x4500 |
5500x2500x5200 |
5000x2400x4200 |
5500x2500x5200 |
|
Weight(kg) |
2000 |
2200 |
2500 |
2800 |
3000 |
|
Optional equipment |
1.Auto loader 2.Film surface treater 3.Rotary die head 4 .Air compressor 5.Mechanics screen changer 6.Double wind |
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