Technical Parameter
Model | SJ-55R/800 | SJ-60R/1000 | SJ-65R/1200 |
Diameter of Screw Stem | ø55mm | ø60mm | ø65mm |
Main Diameter Ratio of Screw /Stem(L/D) | 28:1(L/D) | 28:1(L/D) | 28:1(L/D) |
Rotary speed of the screw stem | 10-110rpm | 10-110rpm | 10-110rpm |
Specification of Die Head | ø80-ø160 | ø100-ø200 | ø120-ø250 |
Thickness of Products | 0.015-0.15mm | 0.015-0.15mm | 0.015-0.15mm |
Folding Width of Products | 200-800mm | 300-1000mm | 400-1200mm |
Main Motor Power | 15kw | 18.5kw | 22kw |
Heating Power | 13kw | 16kw | 18kw |
Output | 25-45kg/h | 30-55kg/h | 35-65kg/h |
Machine Weight | 2000kg | 2000kg | 2100kg |
Overall Dimensions | 6200×2300×4600mm | 6300×2500×4800mm | 6500×2700×5000mm |
Use and Characteristics:
It is used for blowing the various plastic film of low density polyethylene(LDPE), high density polythylene (HDPE) and linear low density polyethylene (LLDPE) etc, Which are widely used for packing liquid, industrial products, garments and textile, Ect. And printing lamination.
The cylinders and the screw stems of the extruder are made of high quality alloy steel with optimum hardness and strong corrosion resistance after nitrogen
treatment and precision finishing. The auxiliary machine has a plat from working table for making operation easy and is equipped with bubble stab ilizing ring.Double-rolling and double-cutting coiling unit adopts torque motor to motor to keep proper tension and make even and roll-changing easy.
Sample:
1. Warranty
1 year limited warranty after installation.If the spare parts is broken in the warranty
period , we will send a free replacement parts to you .
2. Installation and Training
We can send 1-2 engineers to buyers factory to install and set up the machines and
training, but all the charges for the engineers should be paid by buyer.
3. Quotation
The quotation is available in 60 days
We have a professional transport channel

1.About us
Wenzhou Changs Machinery Co.,Ltd is one of the first company specialized in manufacturing printing machines, packing machines, plastic machine and paper converting machines,has owned export and import license since 2004.
To consider our full service convenience, we have set up service office and showing room at DRAGON-MART of Dubai to provide technical service for customers from Middle East and Africa in 2006, and also we have established technical support offices in Mexco, Egpty and Singapore, our service has satisfied with all of our customers. We enjoy sound reputation in oversea’s market and domestic.
2.Certificate
3. Cooperative partner


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