Method and equipment for producing bidirectional stretching plastic film
A plastic film, biaxial stretching technology, applied in the field of plastic processing, can solve the problems of high product cost, high price, complicated process, etc., and achieve the effect of simplifying the production process and reducing the price of equipment
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[0012] The equipment for producing biaxially stretched plastic film provided by the present invention is designed as follows: it includes a film extrusion device, a stretching traction device, a cooling device, a platform winding device and an electrical control device, etc., and is characterized in that: The upper part of the traction device is provided with two-way stretching rotating heating devices 11 and 12 for the two-way stretching of the film.
[0013] The method of the biaxially stretched plastic film provided by the present invention will be further described below with reference to the accompanying drawings:
[0014] After the blank enters the hopper 1, it is melted and extruded by the extruder 2, and the film head socket 3 introduces the melted and kneaded plastic from the extruder into the bubble tube die 4, and the bubble tube die 4 extrudes the molten plastic The membrane is tubular. The plastic film tube is led out from the die by the first clamping rod 6, and the ...
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