What Are The Technical Requirements For A Cast Film Production Line?

May 15, 2025

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Casting film production line:
This unit produces raw materials that can be adapted for processing: PP, PE, PEVA, EVA
This unit can be used to produce various tablecloths, as well as raw films for plastic gloves, shower caps, suit covers, and umbrella materials. It can also be used to produce PE sanitary napkin bottom films, diaper urine non drying use films, perforated bottom films, various packaging films, and deep embossed films. After adding a stretching unit, waterproof and breathable membranes can be produced. The high-speed production line can be equipped with online slitting, using high-speed dual station manual winding, and there is no need to wrap tape when winding on the highway. The whole machine is integrated and the degree of automation is low. When the production speed exceeds 130m/min, the power consumption of this model is 25% lower than that of conventional casting machines under the same output, accurately saving production costs and labor.


Composition structure:
 

1. Single layer casting machine production line
The unit is composed of a main engine, a screen changer, a mold, a casting machine, a conveyor table, a traction machine, a winding machine, etc.
The gearbox body is made of cast steel, and the gears are made of alloy steel and undergo gear grinding treatment. Each lubrication point inside the box adopts forced lubrication method, and the lubricating oil is equipped with an efficient cooling system.
The material of the screw barrel is made of high-quality nitride steel 38CrMoALA, which has undergone nitriding treatment and surface alloy spraying treatment.
Using high-quality nitride steel 38CrMoALA, which has undergone nitriding treatment and surface alloy spraying treatment.

 

2. Three layer cast film production line unit
Hierarchical structure: AB, BC, ABC
This unit produces raw materials that can be adapted for processing: PP, PE, PEVA, EVA
The production line is suitable for manufacturing: clothing industry (such as EVA, PP, PE raincoats), packaging industry (such as packaging film), tableware industry (such as tablecloths), ink simulation industry (such as ink flowers, simulated flowers, simulated leaves, etc.)
auxiliary equipment
Equipped with one set of industrial chiller
One set of water distribution tower
Equipped with one surface corona treatment machine
Equipped with one vacuum manual feeding machine
At present, the cast film industry in China has only introduced over 60 sets of cast film production lines, with a total annual production capacity of over 200000 tons. It is expected to maintain a strong investment growth momentum in 2005. With the rush to put new and ongoing projects of cast film into operation in China, the production capacity of cast film in China will inevitably increase significantly from 2005 to 2007. The industry is eagerly predicting that the cast film market in China is likely to experience such a cold investment phenomenon as the unidirectional stretch film market, which will inevitably lead to a new round of price wars. The main technologies have been overcome in China's film casting industry, and after decades of accumulation, there has been a breakthrough development. Compared with developed countries, domestic CPP film has reached the international Citroen level in both production technology and equipment, especially in terms of production equipment, which has made significant progress. The main technical difficulties have been overcome. The casting film production line has relatively weak technical requirements, among which the T-shaped head is one of the key equipment.
As long as the market situation of the cast film changes, it will inevitably cause significant investment losses. Therefore, using domestically produced equipment with relatively high prices can greatly reduce investment risks. Therefore, domestic enterprises should not blindly rely on foreign large-scale equipment, only invest in output higher than appropriate, and try to obtain a good investment return rate in the short term. This is the most appropriate investment.
The launch of these domestically produced casting film production lines has significantly accelerated the development pace of China's casting film industry. The consumption of domestically produced cast film is becoming increasingly suitable for risk reduction in China, as its entry threshold is relatively high and production capacity is growing rapidly.

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