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History and present situation of tape casting machine and film machineDate:【2020-07-09】 Read【123】Times 【Print】 【Back

(1) Primary stage: Since the mid-1980s, my country has introduced foreign calenders, mainly single-layer structures.


(2) Development stage: After entering the 1990s, China introduced multi-layer coextrusion cast film production lines from Germany, Japan, Italy, Austria and other countries. The minimum production capacity of thin film devices imported from my country is 500 t/a, and the maximum production capacity is 6500 t/a. The main equipment manufacturers introduced are Reifenhauser, Barmag, Basfield, Lenin of Austria, Mitsubishi Heavy Industries of Japan, Corinth and Dolce of Italy. At the same time, some domestic equipment manufacturers have developed a domestic casting machine film production line with independent intellectual property rights, but the domestic equipment in this period is mainly a single-layer small production line, both in terms of mechanical performance and production capacity. Can not be compared with imported equipment.


(3) Mature stage: In the 21st century, driven by the market demand for casting machine film machines, domestic casting machine film machine equipment has made great progress, and the international competitiveness of domestic casting machine film machine equipment has been increasing.


Characteristics of the production line of domestic casting machine film machine


The main results are as follows: 1) The film production line of the domestic casting machine film machine can be divided into 2500 mm, 3000 mm, 3500 mm and 5000 mm according to the film width. The structure of the extruder can be divided into three layers, five layers and seven layers.


2) The film production line of the domestic casting machine film machine is mainly composed of the extrusion part, the casting machine film part, the corona part, the unfolding part and the electronic control part, in which the die part and the extrusion part can be freely combined according to the requirements of the customer. To meet the different needs of our customers (market) to the greatest extent.


3) In addition, the design of domestic equipment also meets the international advanced level, such as:


The unique design of the back device can adjust the pressure of the extruder freely.


The unique screw flow channel design can be applied to different materials to achieve one machine with multiple uses.


Roller design, better cooling effect, more stable product quality and higher output.


The domestic casting machine film machine production line speed has reached 160 m/min-250 m/min.


(4) Compared with imported equipment, the production line of domestic casting machine film machine has the characteristics of fast speed, stable performance, environmental protection and energy saving, and the thickness of the product is 0.017mm~0.08mm (the international standard is 0.025mm).


This is the most sensible investment and can get a good return on investment in the short term.

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