PP Bi-Birectional Film Stretching Test Line

     Bi-Birectional Film Stretching Test Line mainly consists of five-layer co-extrusion unit, casting machine, longitudinal stretching machine (MDO), transverse stretching machine (TDO), automatic rewinding unit, the central control system and other components, can be used for the development of new bi-directional stretching film products made of PP, PA, PE, PET, PLA and other materials, as well as for the development of small pilot experiments and small batch production prototypes, through a simple adjustment of the configuration.

1.The frame is meticulously assembled using high-strength carbon steel, resulting in a robust structure and a visually striking appearance.
2.Adopting high-precision servo motor to drive each roller independently with adjustable speed, and reflecting the speed of pressure roller by the linear speed of roller surface, with high control precision.
3.The die head, crafted from high-performance materials, boasts exceptional resistance to corrosion and wear, ensuring durability in demanding environments. The film thickness is precisely regulated by the screw positioned beneath the die lip, while the consistency of thickness across the material is finely tuned by the adjusting screw located above the die lip. This meticulous design enables a precise layer thickness ratio of 1:1:1:1:1:1, guaranteeing uniformity and quality in the final product.
4. Hydraulic screen changer is adopted, which can change the filter screen quickly and without stopping.
5.The barrel heating element utilizes a ceramic heater, meticulously designed to conform to the contours of the barrel. It is securely fastened in place using screws, ensuring ease of interchangeability as well as convenient disassembly and replacement processes.
6.There is an operation display on the panel of the electric control cabinet, which is convenient for setting and adjusting the parameters of each link, and it is also convenient for observing the control of each process and fault warning.
7.The cooling roller adopts spiral runner, the cooling oil stays longer in the roller, and the surface of solid forging roller is plated with hard chrome and made with mirror polishing treatment.
8.The oven utilizes a hot air circulation heating system, which enhances the thermal energy efficiency and significantly reduces electricity consumption.

 

   Polypropylene (Polypropylene, PP for short) is a semi-crystalline thermoplastic. It has high impact resistance, strong mechanical properties, and is resistant to a variety of organic solvents and acid and alkali corrosion. It has a wide range of applications in industry and is one of the most common polymer materials.

 

Company Profile

 

    POTOP attaches importance to the research and development of experimental technology and the summary of experience, with four design departments, including film experimental equipment design department, rheometer design department, polymer new molding experimental equipment design department and industrial automation system design department,every year, POTOP invests a lot of scientific research funds to complete more than six hundred sets of polymer experimental equipment contracts. 

Vision of the future

Striving to Become a Global Trailblazer in the Machinery Industry

Mission

Harnessing Innovative Technologies to Craft a Better Life for Humanity.

System of values

Leadership • Velocity • Service • Collaboration • Passion • Positivity • Curiosity

Company philosophy

Pioneer • Innovate • Breakthrough • Create

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