Qingdao Leibo Technology Co., Ltd.

LB-20-C-A Precision Single-Layer Laboratory Blown Film Machine is a high-performance device specifically designed for laboratory material processing needs. It integrates stability, precision, and intelligence, making it suitable for blown film experiments and process research on various polymer materials. The equipment excels in material applicability, performance parameters, control methods, and power systems, making it an ideal choice for new material development, process optimization, and performance testing in laboratories.

I. Wide Material Applicability and Precise Specification Control

The LB-20-C-A Precision Single-Layer Laboratory Blown Film Machine is compatible with a variety of materials with different characteristics, including PE (polyethylene), PBAT (polybutylene adipate terephthalate), PVA (polyvinyl alcohol), and EVA (ethylene-vinyl acetate copolymer). These materials are widely used in industrial and scientific research fields, and the LB-20-C-A can precisely meet their processing requirements.

In terms of product specifications, the machine can produce films with a thickness ranging from 0.02 mm to 0.1 mm and a roll face width of up to 160 mm. This high-precision specification control is not only suitable for basic material performance research but also for the development and trial production of new products, meeting the practical needs of various complex experiments.

II. Stable and Excellent Performance Parameters

The performance parameters of the LB-20-C-A are designed to meet the high precision and stability requirements of laboratory environments:

• Screw Diameter: 20 mm

• Length-to-Diameter Ratio: 30:1
  This design ensures better material conveying, compression, and melting during screw operation, guaranteeing processing stability and efficiency.

• Screw Speed Range: 0 to 100 RPM
  The machine supports stepless speed regulation, allowing flexible adjustments based on different materials and processing requirements to ensure process controllability.

• Line Speed Range: 0 to 10 meters per minute
  The wide adjustment range of this parameter meets the needs of film forming speed under various experimental conditions.

• Operating Temperature Range: Room temperature to 250°C
  The temperature control accuracy can reach ±1°C, which is crucial for ensuring product quality in the processing of temperature-sensitive materials.

III. Intelligent Control and Power System

In terms of control, the LB-20-C-A adopts a PLC (Programmable Logic Controller) with a touchscreen control mode. This control method is not only simple and intuitive to operate but also highly automated and intelligent. Researchers can easily set parameters and monitor the equipment's operating status via the touchscreen, significantly improving work efficiency.

In terms of power, the machine is equipped with a 1000W servo motor as the main motor, with a rated power of 7.5 kW and an operating voltage of 220V, 25A, 50Hz. This power configuration ensures stability and reliability during prolonged operation.

IV. Equipment Structure and Application Advantages

The LB-20-C-A Precision Single-Layer Laboratory Blown Film Machine features a compact structure, with overall dimensions of 910×500×1000 mm and a weight of 67 kg, making it easy to move and install within the laboratory. Its small and portable design makes it suitable not only for laboratory environments but also for teaching demonstrations and small-scale trial production scenarios.

The machine has broad applicability, including:

• New material formulation development
• Material blown film performance testing
• Color masterbatch dispersion performance testing
• Blown film production process parameter optimization
• Preparation of single-layer blown tubular films
• Study of material blown film forming performance
• Study of pigment dispersion performance