3 Layers Film Blowing Machine

3 layers film blowing machine This blowing film machine for 3 layers co-extruding is mainly used for testing the film blowing feasibility of polymer materials and the colloid status contained in the materials, as well as the dispersibility of colored dispersion, and controlled mixture This 3 layers co-extruding film blowing machine structure is compact, simple operation, can be used for single and multi-layer blown film, can be applicable to all polymerdispersion research. Parameters: 1. Single screw extruder  - 3sets Screw diameter Φ 20  Length diameter ratio 1:28 Screw speed 0 - 95 rpm frequency control  Screw/Feeding barrel material: 38CrMoAl chromium-molybdenum steel.With the surface-layer processing of tempering, nitriding, chroming, polishingand super-precision grinding, the hardness HRC55~60, roughness Ra≤0.4μm,nitriding depth≥0.6mm. Electric control system: PLC programmable color touch screen,man-machine interface operation system, can dynamically display and monitorextrusion process, including temperature control, driving, pressure,interlocking spreading function. 2. Film blowing tower Diameter of dies Φ 30 Driving rolling speed 0.5 - 5 m/min adjustable Maximum folded diameter of the film 300 mm Servo motor 90 W Fan 0.75 KW Rolling torque motor 3.5 N.m Illuminating case 10W LED light Huffing air: Compressed air 0 -6 bar, can be fineadjusted and stabilized. Cooling air